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THE BUSINESS CENTER.
Date: 1907
Source Type: Photograph Booklet
Publisher, Printer, Photographer: F. D. Straffin, Inland Printing Company
Postmark: Not Applicable
Remark: This photograph is contained in a view booklet published under the authority of the Potlatch Lumber Company in 1907. The purpose of the booklet was to induce individuals to locate in the company town of Potlatch, Latah County, Idaho, and work for the company. The town of Potlatch was founded in 1905. At the time the sawmill in Potlatch was constructed, it was one of the largest in the United States, and the largest white pine sawmill in the world.
Source
Straffin, F. D. 1907. Potlatch Lumber Company, Manufacturers of Fine Lumber: Idaho White Pine, Western Pine and Larch. Spokane, Washington: Inland Printing Company. 70 p.
Copyright 2015. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
East Main Street, 1856
Valparaiso, Indiana
Date: 1856
Source Type: Photograph
Publisher, Printer, Photographer: The Lewis Publishing Company
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The Empire Block is block 17 in the original plat of Valparaiso. The roadway seen here is Main Street, today known as Lincolnway. These buildings are facing south. The Empire Block building still stands [2021] and faces the Fifth Third Bank.
The Tremont House, a hotel, is the third building from the left in this image. The hotel stood at the northeast corner of the intersection of Washington Street and Main Street [now Lincolnway], facing the court house square.
The top floor of the Empire Block building was rented by the Roman Catholics of the Valparaiso area to hold their services prior to the construction of their first church in 1858.
Sources:
Decker, Joseph. 1911. Souvenir Book of Valparaiso, Indiana. Valparaiso, Indiana: Valparaiso Printing Company. Unpaginated.
The Vidette-Messenger, Valparaiso, Porter County, Indiana; January 28, 1935; Volume 8, Page 1, Columns 4-5 and Page 8, Columns 1-7.
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
You may need to have a place for your tools and equipment. However, it seems that you do not have a special room to put those tools and equipment. You only have your garage! Well, if you have a garage, this actually means that your problem with the storage room is solved! You do not actually...
midcityeast.com/need-place-tool-applicable-garage-storage...
Lowenstine's Department Store
Valparaiso, Indiana
Date: 1905
Source Type: Photograph
Publisher, Printer, Photographer: A. H. Reading
Postmark: Not applicable
Collection: Steven R. Shook
Remark: Jacob Lowenstine located his business in Valparaiso in May 1885. His first retail outlet was called the Grand Opera One-Price Clothing House, which was housed on the lower floor of the Grand Opera House (not the Memorial Opera House). At that time, the ground floor of the Grand Opera House was vacant given that the Quartermass Brothers had discontinued their business. After the rent was increased considerably at the Grand Opera House location, Lowenstine decided to purchase the old Odd Fellows building on Franklin Street, shown here, and move his business there. Lowenstine's department store business grew rapidly and the Odd Fellows building constrained growth. Hence, Lowenstine began purchasing lots located to the north and south of his building. Eventually a new store replaced the Odd Fellows building, as well as some buildings adjacent to it. The alley behind the Odd Fellows building was also vacated so that it could be used as ground for the new building.
Source:
Reading, A. H. 1905. The City of Homes, Schools and Churches: A Pictorial Story of Valparaiso, Its People and Its Environs. Valparaiso, Indiana: A. H. Reading. 82 p. [see p. 15]
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Provide water in addition to age applicable milk drinks. Infants below the age of vi months administrative body are not utterly breastfed square measure usually offered cooled, cooked water in addition to child formula.
Good drinks for babies
Breastmilk is best for baby and is that the entirely food or drink that baby wishes until around vi months.
If baby is formula fed, baby square measure usually offered cooled, cooked water in addition as formula.
From around vi months all babies can have cooled, cooked waterin a bottle or cup.
Water is that the most effective drink for our children
Water is incredibly vital for good health – it helps digest food, absorb nutrients and acquire obviate waste from the body.
Give kids water with all meal and snacks.
Pack water bottles once going out.
In atmospheric phenomenon – keep the jug of water cool.
Let older kids pour their own water.
Kids wish immeasurable water
Kids can dehydrate really quickly and acquire really sick if they don’t drink oftentimes throughout the day. ensure there is frequently several clean water around for teenagers.
Cow’s milk
Plain unflavoured cow’s milk is good for teenagers over twelve months – limit to 2 cups on a daily basis.
Babies below twelve months mustn't drink cow’s milk as a result of the most drink, but you will use small amounts of cow’s milk in food preparation for babies.
Give children their main meal initial before giving milk.
Kids below 2 mustn't have low fat or reduced fat milk.
Kids over 2 got to have in the main reduced fat milk.
Don’t offer tasteful milk to kids.
Babies below twelve months mustn't drink cow’s milk as a results of they will’t technique the organic compound and salt well and it will cause their bloodto be low in iron.
Sweet drinks unit of measurement unhealthy
Sweet drinks are needed for good health.
Sweet drinks :
can fill kids up so they eat healthy meals
can end in cavity and weight gain.
Sweet drinks include:
soft drinks
flavoured waters
flavoured milk
cordial
tea
sports drinks and energy drinks
fruit drinks
fruit juice.
You should not offer sweet drinks to babies
Don’t offer baby sweet drinks like tea, soft drinks, tasteful milk, juice or cordial.
This can build baby sick and end in cavity and weight gain.
Tea is not smart for baby and may weaken baby’s blood.
INDIANA PORT COMMISSION
Burns Harbor Port Const..
Construction Aggregates Corp.
Contract #IIB Item I Alt. B.
Date 3-13-70 Looking West
Date: March 13, 1970
Source Type: Photograph
Publisher, Printer, Photographer: Construction Aggregates Corporation
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The Port of Indiana-Burns Harbor was founded in 1965 along the southern shore of Lake Michigan, approximately at the junction of Indiana State Road 249 and U.S. Route 12. The port is embraced by two municipalities - Portage and Burns Harbor, Indiana, both located in Porter County.
Historically, this area was referred to as the Central Dunes region of the Indiana Dunes. Octave Chanute, an aviation pioneer, conducted numerous hang gliding experiments on the dunes in this area during the 1890s.
Creation of the Port of Indiana-Burns Harbor facility was controversial due to the environmentally sensitive nature of the area. The United Steelworkers Union, however, argued that creation of the port facility would increase national security due to increased steel production and create high-paying jobs.
When created, the port served the Midwest Steel Division of National Steel Corporation (U.S. Steel Corporation in 2022) to the west, Bethlehem Steel Corporation (Cleveland-Cliffs, Inc. in 2022) to the east, and the Bailly Generating Plant of the Northern Indiana Public Service Company (owned by NiSource). also to the east.
Copyright 2022. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Lauer School
Pleasant Township, Porter County, Indiana
Date: Circa 1915
Source Type: Photograph
Publisher, Printer, Photographer: Kouts Centennial Book (1965)
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The Lauer School was located east of County Road 500 East approximately one-half mile north of County Road 900 South. Historically, Lauer School represented School District Number 7 of Pleasant Township. The school, constructed to replace the dilapidated Bowman School, was built of block stone in 1904 on land leased from the McWilliams Land Company. The school was named in honor of Peter Lauer who was an early settler in the vicinity.
Sources:
Centennial Committee. 1965. Kouts Centennial, 1865-1965. Kouts, Indiana: Centennial Committee. 181 p.
George A. Ogle & Company. 1906. Standard Atlas of Porter County, Indiana. Chicago, Illinois: George A. Ogle & Company. 83 p. [see p. 31]
Hardesty, A. G. 1876. Illustrated Historical Atlas of Porter County, Indiana. Valparaiso, Indiana: A. G. Hardesty. 90 p. [see p. 27]
Lee & Lee. 1895. Lee and Lee’s Atlas of Porter County, Indiana. Chicago, Illinois: Lee & Lee. 81 p. [see p. 26]
Lewis Publishing Company. 1912. History of Porter County, Indiana: A Narrative of its Historical Progress, its People and its Principal Interests. Volume I. Chicago, Illinois: Lewis Publishing Company. 357 p. [see p. 163]
The Vidette-Messenger, Valparaiso, Porter County, Indiana; July 3, 1976; Volume 49, Number 307, Since Bailly Insert, Page 19, Columns 1-6. Column titled “First School Located In East Pleasant Township,” by Kouts High School History Class.
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Date: 1920
Source Type: Photograph
Publisher, Printer, Photographer: Will Voss
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: This photograph is labeled "Under the Nickle Plate Railroad. Near Valpo." and is believed to be the viaduct over Salt Creek along the New York, Chicago & St. Louis Railroad, also known as the Nickel Plate Road. This sixteen foot concrete viaduct is located in the southeast quarter of the southeast quarter of Section 23, Township 35 North, Range 6 West, southwest of the intersection of Ruge Street and Factory Street.
This photograph was included in an album of photographs that appear to have been taken by Will Voss between 1919 and 1921. Most of the photographs in the album are labeled and dated. The bulk of the photographs in the album were taken in Illinois, Indiana, and Wisconsin.
This photograph was included in an album of photographs that appear to have been taken by Will Voss between 1919 and 1921. Most of the photographs in the album are labeled and dated. The bulk of the photographs in the album were taken in Illinois, Indiana, and Wisconsin.
It is apparent from the photographs taken in and around Valparaiso, Porter County, Indiana, that Will Voss was a student at Polk's School of Piano Tuning in Valparaiso.
Copyright 2023. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Fangruida: human landing on Mars 10 cutting-edge technology
[Fangruida- human landing on Mars 10 innovative and sophisticated technologies]
Aerospace Science and space science and technology major innovation of the most critical of sophisticated technology R & D project
-------------------------------------------------- -------------
Aerospace Science Space Science and Technology on behalf of the world's most cutting-edge leader in high technology, materials, mechatronics, information and communication, energy, biomedical, marine, aviation aerospace, microelectronics, computer, automation, intelligent biochips, use of nuclear energy, light mechanical and electrical integration, astrophysics, celestial chemistry, astrophysics and so a series of geological science and technology. Especially after the moon landing, the further development of mankind to Mars and other planets into the powerful offensive, the world's major powers eager to Daxian hand of God, increase investment, vigorously develop new sophisticated technology projects for space to space. Satellite, space station, the new spacecraft, the new space suits, the new radiation protection materials, intelligent materials, new manufacturing technology, communications technology, computer technology, detector technology, rover, rover technology, biomedical technology, and so one after another, is expected to greater breakthroughs and leaps. For example, rocket technology, spacecraft design, large power spacecraft, spacesuits design improvements, radiation multifunctional composite materials, life health care technology and space medicine, prevention against microgravity microgravity applicable drugs, tracking control technology, landing and return technology. Mars lander and returned safely to Earth as a top priority. Secondly, Mars, the Moon base and the use of transforming Mars, the Moon and other development will follow. Whether the former or the latter, are the modern aerospace science, space science basic research, applied basic research and applied research in the major cutting-edge technology. These major cutting-edge technology research and innovation, not only for human landing on Mars and the safe return of great significance, but for the entire space science, impact immeasurable universe sciences, earth sciences and human life. Here the most critical of the most important research projects of several sophisticated technology research and development as well as its core technology brief. Limit non-scientific techniques include non-technical limits of technology, the key lies in technology research and development of technology maturity, advanced technology, innovative, practical, reliable, practical application, business value and investment costs, and not simply like the idea mature technology achievements, difficult to put into things. This is the high-tech research and development, testing, prototype, test application testing, until the outcome of industrialization. Especially in aerospace technology, advanced, novelty, practicality, reliability, economy, maturity, commercial value and so on. For technical and research purely science fiction and the like may be irrelevant depth, but not as aerospace engineering and technology practice. Otherwise, Mars will become a dream fantasy, and even into settling crashed out of danger.
Regardless of the moon or Mars, many technical difficulties, especially a human landing on Mars and return safely to Earth, technical difficulties mainly in the following aspects. (Transformation of Mars and the Moon and other planets and detect other livable technology more complex and difficult, at this stage it is difficult to achieve and therefore not discussed in detail in this study). In fact, Mars will be the safe return of a full set of technology, space science, aerospace crucial scientific research development, its significance is not confined to Mars simply a return to scientific value, great commercial value, can not be measure.
1. Powered rocket, the spacecraft overall structural design not be too complex large, otherwise, the safety factor to reduce the risk of failure accidents. Fusion rocket engine main problem to be solved is the high-temperature materials and fuel ignition chamber (reaction chamber temperatures of up to tens of millions of supreme billion degrees), fissile class rocket engine whose essence is the miniaturization of nuclear reactors, and placed on the rocket. Nuclear rocket engine fuel as an energy source, with liquid hydrogen, liquid helium, liquid ammonia working fluid. Nuclear rocket engine mounted in the thrust chamber of the reactor, cooling nozzle, the working fluid delivery and control systems and other components. This engine due to nuclear radiation protection, exhaust pollution, reactor control and efficient heat exchanger design and other issues unresolved. Electrothermal rocket engine utilizing heat energy (resistance heating or electric arc heating) working medium (hydrogen, amines, hydrazine ), vaporized; nozzle expansion accelerated after discharged from the spout to generate thrust. Static rocket engine working fluid (mercury, cesium, hydrogen, etc.) from the tank enter the ionization chamber is formed thrust ionized into a plasma jet. Electric rocket engines with a high specific impulse (700-2500 sec), extremely long life (can be repeated thousands of times a starter, a total of up to thousands of hours of work). But the thrust of less than 100N. This engine is only available for spacecraft attitude control, station-keeping and the like. One nuclear - power rocket design is as follows: Firstly, the reactor heats water to make it into steam, and then the high-speed steam ejected, push the rocket. Nuclear rocket using hydrogen as working substance may be a better solution, it is one of the most commonly used liquid hydrogen rocket fuel rocket carrying liquid hydrogen virtually no technical difficulties. Heating hydrogen nuclear reactor, as long as it eventually reaches or exceeds current jet velocity hydrogen rocket engine jet speed, the same weight of the rocket will be able to work longer, it can accelerate the Rockets faster. Here there are only two problems: First, the final weight includes the weight of the rocket in nuclear reactors, so it must be as light as possible. Ultra-small nuclear reactor has been able to achieve. Furthermore, if used in outer space, we can not consider the problem of radioactive residues, simply to just one proton hydrogen nuclei are less likely to produce induced radioactivity, thus shielding layer can be made thinner, injected hydrogen gas can flow directly through the reactor core, it is not easy to solve, and that is how to get back at high speed heated gas is ejected.
Rocket engine with a nuclear fission reactor, based on the heating liquid hydrogen propellant, rather than igniting flammable propellant
High-speed heavy rocket is a major cutting-edge technology. After all, space flight and aircraft carriers, submarines, nuclear reactors differ greatly from the one hand, the use of traditional fuels, on the one hand can be nuclear reactor technology. From the control, for security reasons, the use of nuclear power rocket technology, safe and reliable overriding indicators. Nuclear atomic energy in line with the norms and rules of outer space. For the immature fetal abdominal hatchery technology, and resolutely reject use. This is the most significant development of nuclear-powered rocket principle.
Nuclear-powered spaceship for Use of nuclear power are three kinds:
The first method: no water or air space such media can not be used propeller must use jet approach. Reactor nuclear fission or fusion to produce a lot of heat, we will propellant (such as liquid hydrogen) injection, the rapid expansion of the propellant will be heated and then discharged from the engine speed tail thrust. This method is most readily available.
The second method: nuclear reactor will have a lot of fast-moving ions, these energetic particles moving very fast, so you can use a magnetic field to control their ejection direction. This principle ion rocket similar to the tail of the rocket ejected from the high-speed mobile ions, so that the recoil movement of a rocket. The advantage of this approach is to promote the unusually large ratio, without carrying any medium, continued strong. Ion engine, which is commonly referred to as "electric rocket", the principle is not complicated, the propellant is ionized particles,
Plasma Engine
Electromagnetic acceleration, high-speed spray. From the development trend, the US research scope covers almost all types of electric thrusters, but mainly to the development of ion engines, NASA in which to play the most active intake technology and preparedness plans. "
The third method: the use of nuclear explosions. It is a bold and crazy way, no longer is the use of a controlled nuclear reaction, but to use nuclear explosions to drive the ship, this is not an engine, and it is called a nuclear pulse rocket. This spacecraft will carry a lot of low-yield atomic bombs out one behind, and then detonated, followed by a spacecraft propulsion installation disk, absorbing the blast pushing the spacecraft forward. This was in 1955 to Orion (Project Orion) name of the project, originally planned to bring two thousand atomic bombs, Orion later fetal nuclear thermal rocket. Its principle is mounted on a small rocket reactor, the reactor utilizing thermal energy generated by the propellant is heated to a high temperature, high pressure and high temperature of the propellant from the high-speed spray nozzle, a tremendous impetus.
Common nuclear fission technologies, including nuclear pulse rocket engines, nuclear rockets, nuclear thermal rocket and nuclear stamping rockets to nuclear thermal rocket, for example, the size of its land-based nuclear power plant reactor structure than the much smaller, more uranium-235 purity requirements high, reaching more than 90%, at the request of the high specific impulse engine core temperature will reach about 3000K, require excellent high temperature properties of materials.
Research and test new IT technologies and new products and new technology and new materials, new equipment, things are difficult, design is the most important part, especially in the overall design, technical solutions, technical route, technical process, technical and economic particularly significant. The overall design is defective, technology there are loopholes in the program, will be a major technical route deviation, but also directly related to the success of research trials. so, any time, under any circumstances, a good grasp of the overall control of design, technical design, is essential. otherwise, a done deal, it is difficult save. aerospace technology research and product development is true.
3, high-performance nuclear rocket
Nuclear rocket nuclear fission and fusion energy can rocket rocket two categories. Nuclear fission and fusion produce heat, radiation and shock waves and other large amounts of energy, but here they are contemplated for use as a thermal energy rocket.
Uranium and other heavy elements, under certain conditions, will split their nuclei, called nuclear fission reaction. The atomic bomb is the result of nuclear fission reactions. Nuclear fission reaction to release energy, is a million times more chemical rocket propellant combustion energy. Therefore, nuclear fission energy is a high-performance rocket rockets. Since it requires much less propellant than chemical rockets can, so to its own weight is much lighter than chemical rockets energy. For the same quality of the rocket, the rocket payload of nuclear fission energy is much greater than the chemical energy of the rocket. Just nuclear fission energy rocket is still in the works.
Use of nuclear fission energy as the energy of the rocket, called the atomic rockets. It is to make hydrogen or other inert gas working fluid through the reactor, the hydrogen after the heating temperature quickly rose to 2000 ℃, and then into the nozzle, high-speed spray to produce thrust.
A vision plan is to use liquid hydrogen working fluid, in operation, the liquid hydrogen tank in the liquid hydrogen pump is withdrawn through the catheter and the engine cooling jacket and liquid hydrogen into hydrogen gas, hydrogen gas turbine-driven, locally expansion. Then by nuclear fission reactors, nuclear fission reactions absorb heat released, a sharp rise in temperature, and finally into the nozzle, the rapid expansion of high-speed spray. Calculations show that the amount of atomic payload rockets, rocket high chemical energy than 5-8 times.
Hydrogen and other light elements, under certain conditions, their nuclei convergent synthesis of new heavy nuclei, and release a lot of energy, called nuclear fusion reaction, also called thermonuclear reaction.
Using energy generated by the fusion reaction for energy rocket, called fusion energy rocket or nuclear thermal rockets. But it is also not only take advantage of controlled nuclear fusion reaction to manufacture hydrogen bombs, rockets and controlled nuclear fusion reaction needs still studying it.
Of course there are various research and development of rocket technology and technical solutions to try.
It is envisaged that the rocket deuterium, an isotope of hydrogen with deuterium nuclear fusion reaction of helium nuclei, protons and neutrons, and release huge amounts of energy, just polymerized ionized helium to temperatures up to 100 million degrees the plasma, and then nozzle expansion, high-speed ejection, the exhaust speed of up to 15,000 km / sec, atomic energy is 1800 times the rocket, the rocket is the chemical energy of 3700 times.
Nuclear rocket engine fuel as an energy source, with liquid hydrogen, liquid helium, liquid ammonia working fluid. Nuclear rocket engine mounted in the thrust chamber of the reactor, cooling nozzle, the working fluid delivery and control systems and other components. In a nuclear reactor, nuclear energy into heat to heat the working fluid, the working fluid is heated after expansion nozzle to accelerate to the speed of 6500 ~ 11,000 m / sec from the discharge orifice to produce thrust. Nuclear rocket engine specific impulse (250 to 1000 seconds) long life, but the technology is complex, apply only to long-term spacecraft. This engine due to nuclear radiation protection, exhaust pollution, reactor control and efficient heat exchanger design and other issues not resolved, is still in the midst of trials. Nuclear rocket technology is cutting-edge aerospace science technology, centralized many professional and technical sciences and aerospace, nuclear physics, nuclear chemistry, materials science, the long term future ___-- wide width. The United States, Russia and Europe, China, India, Japan, Britain, Brazil and other countries in this regard have studies, in particular the United States and Russia led the way, impressive. Of course, at this stage of nuclear rocket technology, technology development there are still many difficulties. Fully formed, still to be. But humanity marching to the universe, nuclear reactor applications is essential.
Outer Space Treaty (International Convention on the Peaceful Uses of Outer Space) ****
Use of Nuclear Power Sources in Outer Space Principle 15
General Assembly,
Having considered the report of its thirty-fifth session of the Committee on the Peaceful Uses of Outer Space and the Commission of 16 nuclear
It can be attached in principle on the use of nuclear power sources in outer space of the text of its report, 17
Recognize that nuclear power sources due to small size, long life and other characteristics, especially suitable for use even necessary
For some missions in outer space,
Recognizing also that the use of nuclear power sources in outer space should focus on the possible use of nuclear power sources
Those uses,
Recognizing also that the use of nuclear power sources should include or probabilistic risk analysis is complete security in outer space
Full evaluation is based, in particular, the public should focus on reducing accidental exposure to harmful radiation or radioactive material risk
risk,
Recognizing the need to a set of principles containing goals and guidelines in this regard to ensure the safety of outer space makes
With nuclear power sources,
Affirming that this set principles apply exclusively on space objects for non-power generation, which is generally characteristic
Mission systems and implementation of nuclear power sources in outer space on similar principles and used by,
Recognizing this need to refer to a new set of principles for future nuclear power applications and internationally for radiological protection
The new proposal will be revised
By the following principles on the use of nuclear power sources in outer space.
Principle 1. Applicability of international law
Involving the use of nuclear power sources in outer space activities should be carried out in accordance with international law, especially the "UN
Principles of the Charter "and" States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies Activities
Treaty "3
.
2. The principle terms
1. For the purpose of these principles, "launching State" and "launching State ......" two words mean, in related
Principles related to a time of nuclear power sources in space objects exercises jurisdiction and control of the country.
2. For the purpose of principle 9, wherein the definition of the term "launching State" as contained in that principle.
3. For the purposes of principle 3, the terms "foreseeable" and "all possible" two words are used to describe the actual hair
The overall likelihood of students that it is considered for safety analysis is credible possibilities for a class of things
Member or circumstances. "General concept of defense in depth" when the term applies to nuclear power sources in outer space refers to various settings
Count form and space operations replace or supplement the operation of the system in order to prevent system failures or mitigate thereafter
"Official Records of the General Assembly, Forty-seventh Session, Supplement No. 20" 16 (A / 47/20).
17 Ibid., Annex.
38
fruit. To achieve this purpose is not necessarily required for each individual member has redundant safety systems. Given space
Use and special requirements of various space missions, impossible to any particular set of systems or features can be specified as
Necessary to achieve this purpose. For the purpose of Principle 3 (d) of paragraph 2, "made critical" does not include
Including such as zero-power testing which are fundamental to ensuring system safety required.
Principle 3. Guidelines and criteria for safe use
To minimize the risk of radioactive material in space and the number involved, nuclear power sources in outer space
Use should be limited to non-nuclear power sources in space missions can not reasonably be performed
1. General goals for radiation protection and nuclear safety
(A) States launching space objects with nuclear power sources on board shall endeavor to protect individuals, populations and the biosphere
From radiation hazards. The design and use of space objects with nuclear power sources on board shall ensure that risk with confidence
Harm in the foreseeable operational or accidental circumstances, paragraph 1 (b) and (c) to define acceptable water
level.
Such design and use shall also ensure that radioactive material does not reliably significant contamination of outer space.
(B) the normal operation of nuclear power sources in space objects, including from paragraph 2 (b) as defined in foot
High enough to return to the track, shall be subject to appropriate anti-radiation recommended by the International Commission on Radiological Protection of the public
Protection goals. During such normal operation there shall be no significant radiation exposure;
(C) To limit exposure in accidents, the design and construction of nuclear power source systems shall take into account the international
Relevant and generally accepted radiological protection guidelines.
In addition to the probability of accidents with potentially serious radiological consequences is extremely low, the nuclear power source
Design systems shall be safely irradiated limited limited geographical area, for the individual radiation dose should be
Limited to no more than a year 1mSv primary dose limits. Allows the use of irradiation year for some years 5mSv deputy agent
Quantity limit, but the average over a lifetime effective dose equivalent annual dose not exceed the principal limit 1mSv
degree.
Should make these conditions occur with potentially serious radiological consequences of the probability of the system design is very
small.
Criteria mentioned in this paragraph Future modifications should be applied as soon as possible;
(D) general concept of defense in depth should be based on the design, construction and operation of systems important for safety. root
According to this concept, foreseeable safety-related failures or malfunctions must be capable of automatic action may be
Or procedures to correct or offset.
It should ensure that essential safety system reliability, inter alia, to make way for these systems
Component redundancy, physical separation, functional isolation and adequate independence.
It should also take other measures to increase the level of safety.
2. The nuclear reactor
(A) nuclear reactor can be used to:
39
(I) On interplanetary missions;
(Ii) the second high enough orbit paragraph (b) as defined;
(Iii) low-Earth orbit, with the proviso that after their mission is complete enough to be kept in a nuclear reactor
High on the track;
(B) sufficiently high orbit the orbital lifetime is long enough to make the decay of fission products to approximately actinides
Element active track. The sufficiently high orbit must be such that existing and future outer space missions of crisis
Risk and danger of collision with other space objects to a minimum. In determining the height of the sufficiently high orbit when
It should also take into account the destroyed reactor components before re-entering the Earth's atmosphere have to go through the required decay time
between.
(C) only 235 nuclear reactors with highly enriched uranium fuel. The design shall take into account the fission and
Activation of radioactive decay products.
(D) nuclear reactors have reached their operating orbit or interplanetary trajectory can not be made critical state
state.
(E) nuclear reactor design and construction shall ensure that, before reaching the operating orbit during all possible events
Can not become critical state, including rocket explosion, re-entry, impact on ground or water, submersion
In water or water intruding into the core.
(F) a significant reduction in satellites with nuclear reactors to operate on a lifetime less than in the sufficiently high orbit orbit
For the period (including during operation into the sufficiently high orbit) the possibility of failure, there should be a very
Reliable operating system, in order to ensure an effective and controlled disposal of the reactor.
3. Radioisotope generators
(A) interplanetary missions and other spacecraft out of Earth's gravitational field tasks using radioactive isotopes
Su generator. As they are stored after completion of their mission in high orbit, the Earth can also be used
track. We are required to make the final treatment under any circumstances.
(B) Radioisotope generators shall be protected closed systems, design and construction of the system should
Ensure that in the foreseeable conditions of the track to withstand the heat and aerodynamic forces of re-entry in the upper atmosphere, orbit
Conditions including highly elliptical or hyperbolic orbits when relevant. Upon impact, the containment system and the occurrence of parity
Physical morpheme shall ensure that no radioactive material is scattered into the environment so you can complete a recovery operation
Clear all radioactive impact area.
Principle 4. Safety Assessment
1. When launching State emission consistent with the principles defined in paragraphs 1, prior to the launch in applicable under the
Designed, constructed or manufactured the nuclear power sources, or will operate the space object person, or from whose territory or facility
Transmits the object will be to ensure a thorough and comprehensive safety assessment. This assessment shall cover
All relevant stages of space mission and shall deal with all systems involved, including the means of launching, the space level
Taiwan, nuclear power source and its equipment and the means of control and communication between ground and space.
2. This assessment shall respect the principle of 3 contained in the guidelines and criteria for safe use.
40
3. The principle of States in the Exploration and Use, including the Moon and Other Celestial Bodies Outer Space Activities Article
Results of about 11, this safety assessment should be published prior to each transmit simultaneously to the extent feasible
Note by the approximate intended time of launch, and shall notify the Secretary-General of the United Nations, how to be issued
This safety assessment before the shot to get the results as soon as possible.
Principle 5. Notification of re-entry
1. Any State launching a space object with nuclear power sources in space objects that failed to produce discharge
When radioactive substances dangerous to return to the earth, it shall promptly notify the country concerned. Notice shall be in the following format:
(A) System parameters:
(I) Name of launching State, including which may be contacted in the event of an accident to Request
Information or assistance to obtain the relevant authorities address;
(Ii) International title;
(Iii) Date and territory or location of launch;
(Iv) the information needed to make the best prediction of orbit lifetime, trajectory and impact region;
(V) General function of spacecraft;
(B) information on the radiological risk of nuclear power source:
(I) the type of power source: radioisotopes / reactor;
(Ii) the fuel could fall into the ground and may be affected by the physical state of contaminated and / or activated components, the number of
The amount and general radiological characteristics. The term "fuel" refers to as a source of heat or power of nuclear material.
This information shall also be sent to the Secretary-General of the United Nations.
2. Once you know the failure, the launching State shall provide information on the compliance with the above format. Information should as far as possible
To be updated frequently, and in the dense layers of the Earth's atmosphere is expected to return to a time when close to the best increase
Frequency of new data, so that the international community understand the situation and will have sufficient time to plan for any deemed necessary
National contingency measures.
3. It should also be at the same frequency of the latest information available to the Secretary-General of the United Nations.
Principle 6. consultation
5 According to the national principles provide information shall, as far as reasonably practicable, other countries
Requirements to obtain further information or consultations promptly reply.
Principle 7. Assistance to States
1. Upon receipt of expected with nuclear power sources on space objects and their components will return through the Earth's atmosphere
After know that all countries possessing space monitoring and tracking facilities, in the spirit of international cooperation, as soon as possible to
The Secretary-General of the United Nations and the countries they may have made space objects carrying nuclear power sources
A fault related information, so that the States may be affected to assess the situation and take any
It is considered to be the necessary precautions.
41
2. In carrying space objects with nuclear power sources back to the Earth's atmosphere after its components:
(A) launching State shall be requested by the affected countries to quickly provide the necessary assistance to eliminate actual
And possible effects, including nuclear power sources to assist in identifying locations hit the Earth's surface, to detect the re substance
Quality and recovery or cleanup activities.
(B) All countries with relevant technical capabilities other than the launching State, and with such technical capabilities
International organizations shall, where possible, in accordance with the requirements of the affected countries to provide the necessary co
help.
When according to the above (a) and subparagraph (b) to provide assistance, should take into account the special needs of developing countries.
Principle 8. Responsibility
In accordance with the States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies activities, including the principles of Article
About Article, States shall bear international responsibility for their use of nuclear power sources in outer space relates to the activities
Whether such activities are carried on by governmental agencies or non-governmental entities, and shall bear international responsibility to ensure that this
Such activities undertaken by the country in line with the principles of the Treaty and the recommendations contained therein. If it involves the use of nuclear power sources
Activities in outer space by an international organization, should be done by the international organizations and States to participate in the organization
Undertakes to comply with the principles of the Treaty and the recommendations contained in these responsibilities.
Principle 9. Liability and Compensation
1. In accordance with the principle of States in the Exploration and Use, including the Moon and Other Celestial Bodies Outer Space Activities Article
And the Convention on International Liability for Damage Caused by Space Objects covenant of Article 7
Provisions, which launches or on behalf of the State
Each State launching a space object and each State from which territory or facility a space object is launched
Kinds of space object or damage caused by components shall bear international liability. This fully applies to this
Kind of space object carrying a nuclear power source case. Two or more States jointly launch a space object,
Each launching State shall in accordance with the above Article of the Convention for any damages jointly and severally liable.
2. Such countries under the aforesaid Convention shall bear the damages shall be in accordance with international law and fair and reasonable
The principles set out in order to provide for damages to make a claim on behalf of its natural or juridical persons, national or
International organizations to restore to the state before the occurrence of the damage.
3. For the purposes of this principle, compensation should be made to include reimbursement of the duly substantiated expenses for search, recovery and clean
Cost management work, including the cost of providing assistance to third parties.
10. The principle of dispute settlement
Since the implementation of these principles will lead to any dispute in accordance with the provisions of the UN Charter, by negotiation or
Other established procedures to resolve the peaceful settlement of disputes.
Here quoted the important provisions of the United Nations concerning the use of outer space for peaceful nuclear research and international conventions, the main emphasis on the Peaceful Uses of provisions related constraints .2 the use of nuclear rockets in outer space nuclear studies, etc., can cause greater attention in nuclear power nuclear rocket ship nuclear research, manufacture, use and other aspects of the mandatory hard indicators. this scientists, engineering and technical experts are also important constraints and requirements. as IAEA supervision and management as very important.
2. radiation. Space radiation is one of the greatest threats to the safety of the astronauts, including X-rays, γ-rays, cosmic rays and high-speed solar particles. Better than aluminum protective effect of high polymer composite materials.
3. Air. Perhaps the oxygen needed to rely on oxidation-reduction reaction of hydrogen and ilmenite production of water, followed by water electrolysis to generate oxygen. Mars oxygen necessary for survival but also from the decomposition of water, electrolytically separating water molecules of oxygen and hydrogen, this oxygen equipment has been successfully used in the International Space Station. Oxygen is released into the air to sustain life, the hydrogen system into the water system.
4. The issue of food waste recycling. At present, the International Space Station on the use of dehumidifiers, sucked moisture in the air to be purified, and then changed back to drinkable water. The astronauts' urine and sweat recycling. 5. water. The spacecraft and the space station on purification system also makes urine and other liquids can be purified utilization. 6. microgravity. In microgravity or weightlessness long-term space travel, if protective measures shall not be treated, the astronauts will be muscle atrophy, bone softening health. 7. contact. 8. Insulation, 9 energy. Any space exploration are inseparable from the energy battery is a new super hybrid energy storage device, the asymmetric lead-acid batteries and supercapacitors in the same compound within the system - and the so-called inside, no additional separate electronic control unit, this is an optimal combination. The traditional lead-acid battery PbO2 monomer is a positive electrode plate and a negative electrode plate spongy Pb composition, not a super cell. : Silicon solar cells, multi-compound thin film solar cells, multi-layer polymer-modified electrode solar cells, nano-crystalline solar cells, batteries and super class. For example, the solar aircraft .10. To protect the health and life safety and security systems. Lysophosphatidic acid LPA is a growth factor-like lipid mediators, the researchers found that this substance can on apoptosis after radiation injury and animal cells was inhibited. Stable lysophosphatidic acid analogs having the hematopoietic system and gastrointestinal tract caused by acute radiation sickness protection, knockout experiments show that lysophosphatidic acid receptors is an important foundation for the protection of radiation injury. In addition to work under high pressure, the astronauts face a number of health threats, including motion sickness, bacterial infections, blindness space, as well as psychological problems, including toxic dust. In the weightless environment of space, the astronaut's body will be like in preadolescents, as the emergence of various changes.
Plantar molt
After the environment to adapt to zero gravity, the astronaut's body will be some strange changes. Weightlessness cause fluid flow around the main flow torso and head, causing the astronauts facial swelling and inflammation, such as nasal congestion. During long-term stay in space
Bone and muscle loss
Most people weightlessness caused by the impact may be known bone and muscle degeneration. In addition, the calcium bones become very fragile and prone to fracture, which is why some of the astronauts after landing need on a stretcher.
Space Blindness
Space Blindness refers astronaut decreased vision.
Solar storms and radiation is one of the biggest challenges facing the long-term space flight. Since losing the protection of Earth's magnetic field, astronauts suffer far more than normal levels of radiation. The cumulative amount of radiation exposure in low earth orbit them exceeded by workers close to nuclear reactors, thereby increasing the risk of cancer.
Prolonged space flight can cause a series of psychological problems, including depression or mood swings, vulnerability, anxiety and fear, as well as other sequelae. We are familiar with the biology of the Earth, the Earth biochemistry, biophysics, after all, the Earth is very different astrophysics, celestial chemistry, biophysics and astrophysics, biochemistry and other celestial bodies. Therefore, you must be familiar with and adapt to these differences and changes.
Osteoporosis and its complications ranked first in the space of disease risk.
Long-term health risks associated with flying Topics
The degree of influence long-term biological effects of radiation in human flight can withstand the radiation and the maximum limit of accumulated radiation on physiology, pathology and genetics.
Physiological effects of weightlessness including: long-term bone loss and a return flight after the maximum extent and severity of the continued deterioration of other pathological problems induced by the; maximum flexibility and severity of possible long-term Flight Center in vascular function.
Long-term risk of disease due to the high risk of flight stress, microbial variation, decreased immune function, leading to infections
Radiation hazards and protection
1) radiation medicine, biology and pathway effects Features
Radiation protection for interplanetary flight, since the lack of protective effect of Earth's magnetic field, and by the irradiation time is longer, the possibility of increased radiation hazard.
Analysis of space flight medical problems that may occur, loss of appetite topped the list, sleep disorders, fatigue and insomnia, in addition, space sickness, musculoskeletal system problems, eye problems, infections problems, skin problems and cardiovascular problems
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Development of diagnostic techniques in orbit, the development of the volume of power consumption, features a wide range of diagnostic techniques, such as applied research of ultrasound diagnostic techniques in the abdominal thoracic trauma, bone, ligament damage, dental / sinus infections and other complications and integrated;
Actively explore in orbit disposal of medical technology, weightlessness surgical methods, development of special surgical instruments, the role of narcotic drugs and the like.
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However, space technology itself is integrated with the use of the most advanced technology, its challenging technical reserves and periodic demanding
With the continuous development of science and technology, space agencies plan a manned landing on the moon and Mars, space exploration emergency medicine current concern.
Space sickness
In the weightless environment of space, in the weightless environment of space, surgery may be extremely difficult and risky.
Robot surgeons
Space disease in three days after entering the space started to ease, although individual astronauts might subsequently relapse. January 2015 NASA declared working on a fast, anti-nausea and nasal sprays. In addition, due to the zero-gravity environment, and anti-nausea drugs can only be administered by injection or transdermal patches manner.
Manned spaceflight in the 21st century is the era of interplanetary flight, aerospace medicine is closely watched era is the era of China's manned space flourish. Only the central issue, and grasp the opportunity to open up a new world of human survival and development.
Various emergency contingency measures in special circumstances. Invisible accident risk prevention. Enhancing drugs and other screening methods immunity aerospace medicine and tissue engineering a microgravity environment. Drug mixture of APS, ginseng polysaccharides, Ganoderma lucidum polysaccharides, polysaccharides and Lentinan, from other compounds. Drug development space syndrome drug, chemical structure modification will be an important part.
These issues are very sensitive, cutting-edge technology is a major difficulty landing on Mars. Countries in the world, especially the world's major space powers in the country strategies and technical research, the results of all kinds continue to emerge. United States, Russia, China, Europe, India, Japan and other countries is different. United States, Russia extraordinary strength. Many patented technology and health, and most belong to the top-secret technology. Especially in aerospace engineering and technological achievements is different from the general scientific literature, practical, commercial, industrial great, especially the performance of patents, know-how, technical drawings, engineering design and other aspects. Present Mars and return safely to Earth, the first manned, significance, everything is hard in the beginning, especially the first person to land on Mars This Mars for Human Sciences Research Mars, the moon, the earth, the solar system and the universe, life and other significant. Its far greater than the value of direct investments and business interests.
In addition, it is the development of new materials, suitable for deep space operations universe, life, and other detection, wider field.
Many aerospace materials, continuous research and development of materials are key areas of aerospace development, including material rocket, the spacecraft materials, the suit materials, radiation materials, materials and equipment, instruments, materials and so on biochemistry.
Temperature metal-based compound with a metal matrix composite body with a more primordial higher temperature strength, creep resistance, impact resistance, thermal fatigue and other excellent high temperature performance.
In B, C, SiC fiber reinforced Ti3Al, TiAl, Ni3Al intermetallic matrix composites, etc.
W Fiber Reinforced with nickel-based, iron-based alloys as well as SiC, TiB2, Si3N4 and BN particle reinforced metal matrix composites
High temperature service conditions require the development of ceramic and carbon-based composite materials, etc., not in this eleven Cheung said.
Fuel storage
In order to survive in space, people need many things: food, oxygen, shelter, and, perhaps most importantly, fuel. The initial quality Mars mission somewhere around 80 percent of the space launch humans will be propellant. The fuel amount of storage space is very difficult.
This difference in low Earth orbit cause liquid hydrogen and liquid oxygen - rocket fuel - vaporization.
Hydrogen is particularly likely to leak out, resulting in a loss of about 4% per month.
When you want to get people to Mars speed to minimize exposure to weightlessness and space radiation hazards
Mars
Landings on the Martian surface, they realized that they reached the limit. The rapid expansion of the thin Martian atmosphere can not be very large parachute, such as those that will need to be large enough to slow down, carry human spacecraft.
Therefore, the parachute strong mass ratio, high temperature resistance, Bing shot performance and other aspects of textile materials used have special requirements, in order to make a parachute can be used in rockets, missiles, Yu arrows spacecraft and other spacecraft recovery, it is necessary to improve the canopy heat resistance, a high melting point polymeric fiber fabric used, the metal fabric, ceramic fiber fabrics, and other devices.
Super rigid parachute to help slow the landing vehicle.
Spacecraft entered the Martian atmosphere at 24,000 km / h. Even after slowing parachute or inflatable, it will be very
Once we have the protection of the Earth magnetic field, the solar radiation will accumulate in the body, a huge explosion threw the spacecraft may potentially lethal doses of radiation astronauts.
In addition to radiation, the biggest challenge is manned trip to Mars microgravity, as previously described.
The moon is sterile. Mars is another case entirely.
With dust treatment measures.
Arid Martian environment to create a super-tiny dust particles flying around the Earth for billions of years.
Apollo moon dust encountered. Ultra-sharp and abrasive lunar dust was named something that can clog the basic functions of mechanical damage. High chloride salt, which can cause thyroid problems in people.
*** Mars geological structure and geological structure of the moon, water on Mars geology, geology of the Moon is very important, because he, like the Earth's geology is related to many important issues. Water, the first element of life, air, temperature, and complex geological formations are geological structure. Cosmic geology research methods, mainly through a variety of detection equipment equipped with a space probe, celestial observations of atmospheric composition, composition and distribution of temperature, pressure, wind speed, vertical structure, composition of the solar wind, the water, the surface topography and Zoning, topsoil the composition and characteristics of the component surface of the rock, type and distribution, stratigraphic sequence, structural system and the internal shell structure.
Mars internal situation only rely on its surface condition of large amounts of data and related information inferred. It is generally believed that the core radius of 1700 km of high-density material composition; outsourcing a layer of lava, it is denser than the Earth's mantle some; outermost layer is a thin crust. Compared to other terrestrial planets, the lower the density of Mars, which indicates that the Martian core of iron (magnesium and iron sulfide) with may contain more sulfur. Like Mercury and the Moon, Mars and lack active plate movement; there is no indication that the crust of Mars occurred can cause translational events like the Earth like so many of folded mountains. Since there is no lateral movement in the earth's crust under the giant hot zone relative to the ground in a stationary state. Slight stress coupled with the ground, resulting in Tharis bumps and huge volcano. For the geological structure of Mars is very important, which is why repeated explorations and studies of Martian geological reasons.
Earth's surface
Each detector component landing site soil analysis:
Element weight percent
Viking 1
Oxygen 40-45
Si 18-25
Iron 12-15
K 8
Calcium 3-5
Magnesium 3-6
S 2-5
Aluminum 2-5
Cesium 0.1-0.5
Core
Mars is about half the radius of the core radius, in addition to the primary iron further comprises 15 to 17% of the sulfur content of lighter elements is also twice the Earth, so the low melting point, so that the core portion of a liquid, such as outside the Earth nuclear.
Mantle
Nuclear outer coating silicate mantle.
Crust
The outermost layer of the crust.
Crustal thickness obtained, the original thickness of the low north 40 km south plateau 70 kilometers thick, an average of 50 kilometers, at least 80 km Tharsis plateau and the Antarctic Plateau, and in the impact basin is thin, as only about 10 kilometers Greece plains.
Canyon of Mars there are two categories: outflow channels (outflow channel) and tree valley (valley network). The former is very large, it can be 100 km wide, over 2000 km long, streamlined, mainly in the younger Northern Hemisphere, such as the plain around Tyre Chris Canyon and Canyon jam.
In addition, the volcanic activity sometimes lava formation lava channels (lava channel); crustal stress generated by fissures, faults, forming numerous parallel extending grooves (fossa), such as around the huge Tharsis volcanic plateau radially distributed numerous grooves, which can again lead to volcanic activity.
Presumably, Mars has an iron as the main component of the nucleus, and contains sulfur, magnesium and other light elements, the nuclear share of Mars, the Earth should be relatively small. The outer core is covered with a thick layer of magnesium-rich silicate mantle, the surface of rocky crust. The density of Earth-like planets Mars is the lowest, only 3.93g / cc.
Hierarchy
The crust
Lunar core
The average density of the Moon is 3.3464 g / cc, the solar system satellites second highest (after Aiou). However, there are few clues mean lunar core is small, only about 350 km radius or less [2]. The core of the moon is only about 20% the size of the moon, the moon's interior has a solid, iron-rich core diameter of about 240 kilometers (150 miles); in addition there is a liquid core, mainly composed of iron outer core, about 330 km in diameter (205 miles), and for the first time compared with the core of the Earth, considered as the earth's outer core, like sulfur and oxygen may have lighter elements [4].
Chemical elements on the lunar surface constituted in accordance with its abundance as follows: oxygen (O), silicon (Si), iron (Fe), magnesium (Mg), calcium (Ca), aluminum (Al), manganese (Mn), titanium ( Ti). The most abundant is oxygen, silicon and iron. The oxygen content is estimated to be 42% (by weight). Carbon (C) and nitrogen (N) only traces seem to exist only in trace amounts deposited in the solar wind brings.
Lunar Prospector from the measured neutron spectra, the hydrogen (H) mainly in the lunar poles [2].
Element content (%)
Oxygen 42%
Silicon 21%
Iron 13%
Calcium 8%
Aluminum 7%
Magnesium 6%
Other 3%
Lunar surface relative content of each element (% by weight)
Moon geological history is an important event in recent global magma ocean crystallization. The specific depth is not clear, but some studies have shown that at least a depth of about 500 kilometers or more.
Lunar landscape
Lunar landscape can be described as impact craters and ejecta, some volcanoes, hills, lava-filled depressions.
Regolith
TABLE bear the asteroid and comets billions of years of bombardment. Over time, the impact of these processes have already broken into fine-grained surface rock debris, called regolith. Young mare area, regolith thickness of about 2 meters, while the oldest dated land, regolith thickness of up to 20 meters. Through the analysis of lunar soil components, in particular the isotopic composition changes can determine the period of solar activity. Solar wind gases possible future lunar base is useful because oxygen, hydrogen (water), carbon and nitrogen is not only essential to life, but also may be useful for fuel production. Lunar soil constituents may also be as a future source of energy.
Here, repeatedly stressed that the geological structure and geological structure of celestial bodies, the Earth, Moon, Mars, or that this human existence and development of biological life forms is very important, especially in a series of data Martian geological structure geological structure is directly related to human landing Mars and the successful transformation of Mars or not. for example, water, liquid water, water, oxygen, synthesis, must not be taken lightly.
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Mars landing 10 Technology
Aerospace Science and space science and technology major innovation of the most critical of sophisticated technology R & D project
[
"1" rocket propulsion technology ion fusion nuclear pulse propulsion rocket powered high-speed heavy rocket technology, space nuclear reactors spacecraft] brought big problems reflected in the nuclear reaction, nuclear radiation on spacecraft launch, control, brakes and other impact.
In particular, for the future of nuclear power spacecraft, the need to solve the nuclear reactor design, manufacture, control, cooling, radiation shielding, exhaust pollution, high thermoelectric conversion efficiency and a series of technical problems.
In particular, nuclear reactors produce radiation on astronauts' health will pose a great threat, which requires the spacecraft to be nuclear radiation shielding to ensure astronaut and ship the goods from radiation and heat from the reactor influence, but this will greatly increase the weight of the detector.
Space nuclear process applications, nuclear reaction decay is not a problem, but in a vacuum, ultra-low temperature environment, the nuclear reaction materials, energy transport materials have very high demands.
Space facing the reality of a nuclear reactor cooling cooling problems. To prevent problems with the reactor, "Washington" aircraft carrier to take four heavy protective measures for the radiation enclosed in the warship. These four measures are: the fuel itself, fuel storage pressure vessel, reactor shell and the hull. US Navy fuel all metal fuel, designed to take the impact resistance of the war, does not release fission product can withstand more than 50 times the gravity of the impact load; product of nuclear fission reactor fuel will never enter loop cooling water. The third layer of protection is specially designed and manufactured the reactor shell. The fourth layer is a very strong anti-impact combat ship, the reactor is arranged in the center of the ship, very safe. Engage in a reactor can only be loaded up to the aircraft, so as to drive the motor, and then drive the propeller. That is the core advantage of the heat generated by the heated gas flow, high temperature high pressure gas discharge backward, thereby generating thrust.
.
After installation AMPS1000 type nuclear power plant, a nuclear fuel assembly: He is a core member of the nuclear fuel chain reaction. Usually made into uranium dioxide, of which only a few percent uranium-235, and most of it is not directly involved in the nuclear fission of uranium 238. The uranium dioxide sintered into cylindrical pieces, into a stainless steel or a zirconium alloy do metal tubes called fuel rods or the original, then the number of fuel rods loaded metal cylinder in an orderly composition of the fuel assembly, and finally put a lot of vertical distribution of fuel assemblies in the reactor.
Nuclear reactor pressure vessel is a housing for containing nuclear fuel and reactor internals, for producing high-quality high-strength steel is made to withstand the pressure of dozens MPa. Import and export of the coolant in the pressure vessel.
The top of the pressure vessel closure, and can be used to accommodate the fixed control rod drive mechanism, pressure vessel head has a semi-circular, flat-topped.
Roof bolt: used to connect the locking pressure vessel head, so that the cylinder to form a completely sealed container.
Neutron Source: Plug in nuclear reactors can provide sufficient neutron, nuclear fuel ignition, to start to enhance the role of nuclear reactors and nuclear power. Neutron source generally composed of radium, polonium, beryllium, antimony production. Neutron source and neutron fission reactors are fast neutron, can not cause fission of uranium 235, in order to slow down, we need to moderator ---- full of pure water in a nuclear reactor. Aircraft carriers, submarines use nuclear reactor control has proven more successful.
Rod: has a strong ability to absorb neutrons, driven by the control rod drive mechanism, can move up and down in a nuclear reactor control rods within the nuclear fuel used to start, shut down the nuclear reactor, and maintain, regulate reactor power. Hafnium control rods in general, silver, indium, cadmium and other metals production.
Control rod drive mechanism: He is the executive body of nuclear reactors operating system and security protection systems, in strict accordance with requirements of the system or its operator control rod drives do move up and down in a nuclear reactor, nuclear reactor for power control. In a crisis situation, you also can quickly control rods fully inserted into the reactor in order to achieve the purpose of the emergency shutdown
Upper and lower support plate: used to secure the fuel assembly. High temperature and pressure inside the reactor is filled with pure water (so called pressurized water reactors), on the one hand he was passing through a nuclear reactor core, cooling the nuclear fuel, to act as a coolant, on the other hand it accumulates in the pressure vessel in play moderated neutrons role, acting as moderator.
Water quality monitoring sampling system:
Adding chemical system: under normal circumstances, for adding hydrazine, hydrogen, pH control agents to the primary coolant system, the main purpose is to remove and reduce coolant oxygen, high oxygen water suppression equipment wall corrosion (usually at a high temperature oxygen with hydrogen, especially at low temperatures during startup of a nuclear reactor with added hydrazine oxygen); when the nuclear reactor control rods stuck for some reason can not shutdown time by the the system can inject the nuclear reactor neutron absorber (such as boric acid solution), emergency shutdown, in order to ensure the safety of nuclear submarines.
Water system: a loop inside the water will be reduced at work, such as water sampling and analysis, equipment leaks, because the shutdown process cooling water and reduction of thermal expansion and contraction.
Equipment cooling water system:
Pressure safety systems: pressure reactor primary coolant system may change rapidly for some reason, the need for effective control. And in severe burn nuclear fuel rods, resulting in a core melt accident, it is necessary to promptly increase the pressure. Turn the regulator measures the electric, heating and cooling water. If necessary, also temporary startup booster pump.
Residual Heat Removal System: reactor scram may be due to an accident, such as when the primary coolant system of the steam generator heat exchanger tube is damaged, it must be urgently closed reactors.
Safety Injection System: The main components of this system is the high-pressure injection pump.
Radioactive waste treatment systems:
Decontamination Systems: for the removal of radioactive deposits equipment, valves, pipes and accessories, and other surfaces.
Europe, the United States and Russia and other countries related to aircraft carriers, submarines, icebreakers, nuclear-powered research aircraft, there are lots of achievements use of nuclear energy, it is worth analysis. However, nuclear reactor technology, rocket ships and the former are very different, therefore, requires special attention and innovative research. Must adopt a new new design techniques, otherwise, fall into the stereotype, it will avail, nothing even cause harm Aerospace.
[ "2" spacecraft structure]
[ "3"] radiation technology is the use of deep-sea sedimentation fabric fabrics deepwater technology development precipitated silver metal fibers or fiber lint and other materials and micronaire value between 4.1 to 4.3 fibers made from blends. For radiation protection field, it greatly enhances the effects of radiation and service life of clothing. Radiation resistant fiber) radiation resistant fiber - fiber polyimide polyimide fibers
60 years the United States has successfully developed polyimide fibers, it has highlighted the high temperature, radiation-resistant, fire-retardant properties.
[ "4" cosmic radiation resistant clothing design multifunctional anti-aging, wear underwear] ① comfort layer: astronauts can not wash clothes in a long flight, a lot of sebum, perspiration, etc. will contaminate underwear, so use soft, absorbent and breathable cotton knitwear making.
② warm layer: at ambient temperature range is not the case, warm layer to maintain a comfortable temperature environment. Choose warm and good thermal resistance large, soft, lightweight material, such as synthetic fibers, flakes, wool and silk and so on.
③ ventilation and cooling clothes clothes
Spacesuit
In astronaut body heat is too high, water-cooled ventilation clothing and clothing to a different way of heat. If the body heat production more than 350 kcal / h (ventilated clothes can not meet the cooling requirements, then that is cooled by a water-cooled suit. Ventilating clothing and water-cooled multi-use compression clothing, durable, flexible plastic tubing, such as polyvinyl chloride pipe or nylon film.
④ airtight limiting layer:
⑤ insulation: astronaut during extravehicular activities, from hot or cold insulation protection. It multilayer aluminized polyester film or a polyimide film and sandwiched between layers of nonwoven fabric to be made.
⑥ protective cover layer: the outermost layer of the suit is to require fire, heat and anti-space radiation on various factors (micrometeorites, cosmic rays, etc.) on the human body. Most of this layer with aluminized fabric.
New space suits using a special radiation shielding material, double design.
And also supporting spacesuit helmet, gloves, boots and so on.
[ "5" space - Aerospace biomedical technology, space, special use of rescue medication Space mental health care systems in space without damage restful sleep positions - drugs, simple space emergency medical system
]
[ "6" landing control technology, alternate control technology, high-performance multi-purpose landing deceleration device (parachute)]
[ "7" Mars truck, unitary Mars spacecraft solar energy battery super multi-legged (rounds) intelligent robot] multifunction remote sensing instruments on Mars, Mars and more intelligent giant telescope
[8 <> Mars warehouse activities, automatic Mars lander - Automatic start off cabin
]
[ "9" Mars - spacecraft docking control system, return to the system design]
Space flight secondary emergency life - support system
Spacecraft automatic, manual, semi-automatic operation control, remote control switch system
Automatic return spacecraft systems, backup design, the spacecraft automatic control operating system modular blocks of]
[10 lunar tracking control system
Martian dust storms, pollution prevention, anti-corrosion and other special conditions thereof
Electric light aircraft, Mars lander, Mars, living spaces, living spaces Mars, Mars entry capsule, compatible utilization technology, plant cultivation techniques, nutrition space - space soil]
Aerospace technology, space technology a lot, a lot of cutting-edge technology. Human landing on Mars technology bear the brunt. The main merge the human landing on Mars 10 cutting-edge technology, in fact, these 10 cutting-edge technology, covering a wide range, focused, and is the key to key technologies. They actually shows overall trends and technology Aerospace Science and Technology space technology. Human triumph Mars and safe return of 10 cutting-edge technology is bound to innovation. Moreover, in order to explore the human Venus, Jupiter satellites and the solar system, the Milky Way and other future development of science and laid the foundation guarantee. But also for the transformation of human to Mars, the Moon and other planets livable provides strong technical support. Aerospace Science and Technology which is a major support system.
Preparation of oxygen, water, synthesis, temperature, radiation, critical force confrontation. Regardless of the moon or Mars, survive three elements bear the brunt.
Chemical formula: H₂O
Formula: H-O-H (OH bond between two angle 104.5 °).
Molecular Weight: 18.016
Chemical Experiment: water electrolysis. Formula: 2H₂O = energized = 2H₂ ↑ + O₂ ↑ (decomposition)
Molecules: a hydrogen atom, an oxygen atom.
Ionization of water: the presence of pure water ionization equilibrium following: H₂O == == H⁺ + OH⁻ reversible or irreversible H₂O + H₂O = = H₃O⁺ + OH⁻.
NOTE: "H₃O⁺" hydronium ions, for simplicity, often abbreviated as H⁺, more accurate to say the H9O4⁺, the amount of hydrogen ion concentration in pure water material is 10⁻⁷mol / L.
Electrolysis of water:
Water at DC, decomposition to produce hydrogen and oxygen, this method is industrially prepared pure hydrogen and oxygen 2H₂O = 2H₂ ↑ + O₂ ↑.
. Hydration Reaction:
Water with an alkaline active metal oxides, as well as some of the most acidic oxide hydration reaction of unsaturated hydrocarbons.
Na₂O + H₂O = 2NaOH
CaO + H₂O = Ca (OH) ₂
SO₃ + H₂O = H₂SO₄
P₂O₅ + 3H₂O = 2H₃PO₄ molecular structure
CH₂ = CH₂ + H₂O ← → C₂H₅OH
6. The diameter of the order of magnitude of 10 water molecules negative power of ten, the water is generally believed that a diameter of 2 to 3 this organization. water
7. Water ionization:
In the water, almost no water molecules ionized to generate ions.
H₂O ← → H⁺ + OH⁻
Heating potassium chlorate or potassium permanganate preparation of oxygen
Pressurized at low temperatures, the air into a liquid, and then evaporated, since the boiling point of liquid nitrogen is -196 deg.] C, lower than the boiling point of liquid oxygen (-183 ℃), so the liquid nitrogen evaporated from the first air, remaining the main liquid oxygen.
Of course, the development of research in space there is a great difference, even more special preparation harsh environments on Earth and synthetic water and oxygen, over the need for more technological breakthroughs.
The main component of air oxygen and nitrogen. The use of oxygen and nitrogen with
ST. PAUL CATHEDRAL
Date: 1898
Source Type: Photograph
Publisher, Printer, Photographer: Headlight Engraving Company
Postmark: Not applicable
Collection: Steven R. Shook
Remark: Roman Catholics in the area around Valparaiso in Porter County, Indiana, would begin to regularly meet in the early 1850s on the farm of Patrick T. Clifford located immediately west of the intersection of present day Harrison Boulevard and Froberg Road. Mass was conducted outdoors and the congregation would establish a cemetery on the property. A new Catholic cemetery would later be established southeast of Valparaiso and most burials at the Clifford farm were removed to this new burial ground. Burials remaining at the Clifford property were eventually obliterated due to agricultural activities.
The first church to be built by Valparaiso's Roman Catholic congregation was completed in 1858. The structure was situated on the southwest corner of the intersection of present day Chicago Street and Weston Street, described as Lot 1, Block 3 of the West Valparaiso Addition. Today [2021], a residential structure is located on this site with a street address of 107 Weston Street.
This wood frame church had a footprint of 110 feet by 50 feet and cost approximately $2,000 to erect. Father John Force, who served as parish pastor from July 1858 to December 1858 was largely responsible for guiding the completion of the church's construction. It has been noted in some sources that the interior of the church was very simple and plain with wooden planks used for the floor boards.
It is interesting to note that when the West Valparaiso Addition was added within the boundaries of the City of Valparaiso, Weston Street was named 5th Street. When the church was constructed, the street's name was changed to St. Paul Street. It appears that at some point in time after 1893 the street was once again renamed to Weston Street.
Between 1858 and 1863, the parish was accumulating a substantial debt burden on their church property and the parish was forced to close the church due to a court injunction sought by creditors. As a result, the congregation met in the second story of Hughart's Hall in Valparaiso, which was rented for $2 per Sunday. Hughart's Hall was located in the upper floor of the Empire Block building (Block 18 on Main Street across north of the court house square). Hughart's Hall later became Wilson's Hardware.
On Easter Sunday 1863, local pastor Father Michael O'Reilly was able to secure the wood frame church property, which was at this time in dire need of repair. After putting the structure back into good working order, the congregation converted the wood frame church into the newly founded St. Paul Catholic School.
Later in 1863, Father O'Reilly purchased one acre of land at the intersection of present day Chicago Street and Campbell Street for $1,800. The congregation would raise funds for several years in order to build the pastoral residence on this property in 1870 at a cost of about $6,000. This residence was continually used by the church's clergy until June 2018 (148 years).
Near the pastoral home, a new brick school called St. Paul's Academy was completed in 1872 at a cost of $9,000 and opened in September of that year for use. The Sisters of Providence at St. Mary of the Woods in Terre Haute, Vigo County, Indiana, provided the teachers for the school.
A second St. Paul Catholic Church, seen above, was constructed of brick on the northeast corner of the intersection east Chicago Street and Campbell Street, the cornerstone being laid on Sunday, October 7, 1883, by Bishop Dwenger of Fort Wayne. More than 8,000 people witnessed the laying of the church cornerstone.
The foundation stones used in the construction of the church were obtained from the foundation of the 1853 Porter County court house, which was torn down in the spring of 1883 and replaced with a much larger building.
This gothic-style structure, built under the direction of Father O'Reilly, was constructed at a cost of more than $65,000 and was one of the largest churches in Indiana upon its completion. Father O'Reilly passed away less than year after the church was completed. O'Reilly's funeral was one of the largest ever witnessed in Porter County as he was a very active and beloved member in the Valparaiso community.
The brick church, designed by Chicago architect Gregory Vigeant, was 153 in length, with a transept of 95 feet, a 65 foot nave, and a spire nearly 200 feet in height. Money was raised for church construction by parishioners donating 25 cents a week to a building fund. This brick church was dedicated for use on October 17, 1886.
After 80 years of use, the brick church was found to have several structural deficiencies that would be prohibitively expensive to repair. Thus, a third church was constructed on a 34 acre parcel along Harrison Boulevard, which was dedicated on Friday, October 27, 1967. In November 1967, demolition took place to remove the brick church.
Sources:
Grand Trunk Railway. 1898. Headlight: Sights and Scenes Along the Grand Trunk Railway: Valparaiso, Ind.. Volume 3, Number, 6, Page 31.
Porter County Vidette, Valparaiso, Porter County, Indiana; May 10, 1883; volume 27, Number 19, Page 5, Column 3.
The Tribune, Chesterton, Porter County, Indiana; May 14, 1885; Volume 2, Number 7, Page 1, Column 6.
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
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Table of Contents
Fangruida: human landing on Mars 10 cutting-edge technology
[Fangruida- human landing on Mars 10 innovative and sophisticated technologies]
Aerospace Science and space science and technology major innovation of the most critical of sophisticated technology R & D project
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Aerospace Science Space Science and Technology on behalf of the world's most cutting-edge leader in high technology, materials, mechatronics, information and communication, energy, biomedical, marine, aviation aerospace, microelectronics, computer, automation, intelligent biochips, use of nuclear energy, light mechanical and electrical integration, astrophysics, celestial chemistry, astrophysics and so a series of geological science and technology. Especially after the moon landing, the further development of mankind to Mars and other planets into the powerful offensive, the world's major powers eager to Daxian hand of God, increase investment, vigorously develop new sophisticated technology projects for space to space. Satellite, space station, the new spacecraft, the new space suits, the new radiation protection materials, intelligent materials, new manufacturing technology, communications technology, computer technology, detector technology, rover, rover technology, biomedical technology, and so one after another, is expected to greater breakthroughs and leaps. For example, rocket technology, spacecraft design, large power spacecraft, spacesuits design improvements, radiation multifunctional composite materials, life health care technology and space medicine, prevention against microgravity microgravity applicable drugs, tracking control technology, landing and return technology. Mars lander and returned safely to Earth as a top priority. Secondly, Mars, the Moon base and the use of transforming Mars, the Moon and other development will follow. Whether the former or the latter, are the modern aerospace science, space science basic research, applied basic research and applied research in the major cutting-edge technology. These major cutting-edge technology research and innovation, not only for human landing on Mars and the safe return of great significance, but for the entire space science, impact immeasurable universe sciences, earth sciences and human life. Here the most critical of the most important research projects of several sophisticated technology research and development as well as its core technology brief. Limit non-scientific techniques include non-technical limits of technology, the key lies in technology research and development of technology maturity, advanced technology, innovative, practical, reliable, practical application, business value and investment costs, and not simply like the idea mature technology achievements, difficult to put into things. This is the high-tech research and development, testing, prototype, test application testing, until the outcome of industrialization. Especially in aerospace technology, advanced, novelty, practicality, reliability, economy, maturity, commercial value and so on. For technical and research purely science fiction and the like may be irrelevant depth, but not as aerospace engineering and technology practice. Otherwise, Mars will become a dream fantasy, and even into settling crashed out of danger.
Regardless of the moon or Mars, many technical difficulties, especially a human landing on Mars and return safely to Earth, technical difficulties mainly in the following aspects. (Transformation of Mars and the Moon and other planets and detect other livable technology more complex and difficult, at this stage it is difficult to achieve and therefore not discussed in detail in this study). In fact, Mars will be the safe return of a full set of technology, space science, aerospace crucial scientific research development, its significance is not confined to Mars simply a return to scientific value, great commercial value, can not be measure.
1. Powered rocket, the spacecraft overall structural design not be too complex large, otherwise, the safety factor to reduce the risk of failure accidents. Fusion rocket engine main problem to be solved is the high-temperature materials and fuel ignition chamber (reaction chamber temperatures of up to tens of millions of supreme billion degrees), fissile class rocket engine whose essence is the miniaturization of nuclear reactors, and placed on the rocket. Nuclear rocket engine fuel as an energy source, with liquid hydrogen, liquid helium, liquid ammonia working fluid. Nuclear rocket engine mounted in the thrust chamber of the reactor, cooling nozzle, the working fluid delivery and control systems and other components. This engine due to nuclear radiation protection, exhaust pollution, reactor control and efficient heat exchanger design and other issues unresolved. Electrothermal rocket engine utilizing heat energy (resistance heating or electric arc heating) working medium (hydrogen, amines, hydrazine ), vaporized; nozzle expansion accelerated after discharged from the spout to generate thrust. Static rocket engine working fluid (mercury, cesium, hydrogen, etc.) from the tank enter the ionization chamber is formed thrust ionized into a plasma jet. Electric rocket engines with a high specific impulse (700-2500 sec), extremely long life (can be repeated thousands of times a starter, a total of up to thousands of hours of work). But the thrust of less than 100N. This engine is only available for spacecraft attitude control, station-keeping and the like. One nuclear - power rocket design is as follows: Firstly, the reactor heats water to make it into steam, and then the high-speed steam ejected, push the rocket. Nuclear rocket using hydrogen as working substance may be a better solution, it is one of the most commonly used liquid hydrogen rocket fuel rocket carrying liquid hydrogen virtually no technical difficulties. Heating hydrogen nuclear reactor, as long as it eventually reaches or exceeds current jet velocity hydrogen rocket engine jet speed, the same weight of the rocket will be able to work longer, it can accelerate the Rockets faster. Here there are only two problems: First, the final weight includes the weight of the rocket in nuclear reactors, so it must be as light as possible. Ultra-small nuclear reactor has been able to achieve. Furthermore, if used in outer space, we can not consider the problem of radioactive residues, simply to just one proton hydrogen nuclei are less likely to produce induced radioactivity, thus shielding layer can be made thinner, injected hydrogen gas can flow directly through the reactor core, it is not easy to solve, and that is how to get back at high speed heated gas is ejected.
Rocket engine with a nuclear fission reactor, based on the heating liquid hydrogen propellant, rather than igniting flammable propellant
High-speed heavy rocket is a major cutting-edge technology. After all, space flight and aircraft carriers, submarines, nuclear reactors differ greatly from the one hand, the use of traditional fuels, on the one hand can be nuclear reactor technology. From the control, for security reasons, the use of nuclear power rocket technology, safe and reliable overriding indicators. Nuclear atomic energy in line with the norms and rules of outer space. For the immature fetal abdominal hatchery technology, and resolutely reject use. This is the most significant development of nuclear-powered rocket principle.
Nuclear-powered spaceship for Use of nuclear power are three kinds:
The first method: no water or air space such media can not be used propeller must use jet approach. Reactor nuclear fission or fusion to produce a lot of heat, we will propellant (such as liquid hydrogen) injection, the rapid expansion of the propellant will be heated and then discharged from the engine speed tail thrust. This method is most readily available.
The second method: nuclear reactor will have a lot of fast-moving ions, these energetic particles moving very fast, so you can use a magnetic field to control their ejection direction. This principle ion rocket similar to the tail of the rocket ejected from the high-speed mobile ions, so that the recoil movement of a rocket. The advantage of this approach is to promote the unusually large ratio, without carrying any medium, continued strong. Ion engine, which is commonly referred to as "electric rocket", the principle is not complicated, the propellant is ionized particles,
Plasma Engine
Electromagnetic acceleration, high-speed spray. From the development trend, the US research scope covers almost all types of electric thrusters, but mainly to the development of ion engines, NASA in which to play the most active intake technology and preparedness plans. "
The third method: the use of nuclear explosions. It is a bold and crazy way, no longer is the use of a controlled nuclear reaction, but to use nuclear explosions to drive the ship, this is not an engine, and it is called a nuclear pulse rocket. This spacecraft will carry a lot of low-yield atomic bombs out one behind, and then detonated, followed by a spacecraft propulsion installation disk, absorbing the blast pushing the spacecraft forward. This was in 1955 to Orion (Project Orion) name of the project, originally planned to bring two thousand atomic bombs, Orion later fetal nuclear thermal rocket. Its principle is mounted on a small rocket reactor, the reactor utilizing thermal energy generated by the propellant is heated to a high temperature, high pressure and high temperature of the propellant from the high-speed spray nozzle, a tremendous impetus.
Common nuclear fission technologies, including nuclear pulse rocket engines, nuclear rockets, nuclear thermal rocket and nuclear stamping rockets to nuclear thermal rocket, for example, the size of its land-based nuclear power plant reactor structure than the much smaller, more uranium-235 purity requirements high, reaching more than 90%, at the request of the high specific impulse engine core temperature will reach about 3000K, require excellent high temperature properties of materials.
Research and test new IT technologies and new products and new technology and new materials, new equipment, things are difficult, design is the most important part, especially in the overall design, technical solutions, technical route, technical process, technical and economic particularly significant. The overall design is defective, technology there are loopholes in the program, will be a major technical route deviation, but also directly related to the success of research trials. so, any time, under any circumstances, a good grasp of the overall control of design, technical design, is essential. otherwise, a done deal, it is difficult save. aerospace technology research and product development is true.
3, high-performance nuclear rocket
Nuclear rocket nuclear fission and fusion energy can rocket rocket two categories. Nuclear fission and fusion produce heat, radiation and shock waves and other large amounts of energy, but here they are contemplated for use as a thermal energy rocket.
Uranium and other heavy elements, under certain conditions, will split their nuclei, called nuclear fission reaction. The atomic bomb is the result of nuclear fission reactions. Nuclear fission reaction to release energy, is a million times more chemical rocket propellant combustion energy. Therefore, nuclear fission energy is a high-performance rocket rockets. Since it requires much less propellant than chemical rockets can, so to its own weight is much lighter than chemical rockets energy. For the same quality of the rocket, the rocket payload of nuclear fission energy is much greater than the chemical energy of the rocket. Just nuclear fission energy rocket is still in the works.
Use of nuclear fission energy as the energy of the rocket, called the atomic rockets. It is to make hydrogen or other inert gas working fluid through the reactor, the hydrogen after the heating temperature quickly rose to 2000 ℃, and then into the nozzle, high-speed spray to produce thrust.
A vision plan is to use liquid hydrogen working fluid, in operation, the liquid hydrogen tank in the liquid hydrogen pump is withdrawn through the catheter and the engine cooling jacket and liquid hydrogen into hydrogen gas, hydrogen gas turbine-driven, locally expansion. Then by nuclear fission reactors, nuclear fission reactions absorb heat released, a sharp rise in temperature, and finally into the nozzle, the rapid expansion of high-speed spray. Calculations show that the amount of atomic payload rockets, rocket high chemical energy than 5-8 times.
Hydrogen and other light elements, under certain conditions, their nuclei convergent synthesis of new heavy nuclei, and release a lot of energy, called nuclear fusion reaction, also called thermonuclear reaction.
Using energy generated by the fusion reaction for energy rocket, called fusion energy rocket or nuclear thermal rockets. But it is also not only take advantage of controlled nuclear fusion reaction to manufacture hydrogen bombs, rockets and controlled nuclear fusion reaction needs still studying it.
Of course there are various research and development of rocket technology and technical solutions to try.
It is envisaged that the rocket deuterium, an isotope of hydrogen with deuterium nuclear fusion reaction of helium nuclei, protons and neutrons, and release huge amounts of energy, just polymerized ionized helium to temperatures up to 100 million degrees the plasma, and then nozzle expansion, high-speed ejection, the exhaust speed of up to 15,000 km / sec, atomic energy is 1800 times the rocket, the rocket is the chemical energy of 3700 times.
Nuclear rocket engine fuel as an energy source, with liquid hydrogen, liquid helium, liquid ammonia working fluid. Nuclear rocket engine mounted in the thrust chamber of the reactor, cooling nozzle, the working fluid delivery and control systems and other components. In a nuclear reactor, nuclear energy into heat to heat the working fluid, the working fluid is heated after expansion nozzle to accelerate to the speed of 6500 ~ 11,000 m / sec from the discharge orifice to produce thrust. Nuclear rocket engine specific impulse (250 to 1000 seconds) long life, but the technology is complex, apply only to long-term spacecraft. This engine due to nuclear radiation protection, exhaust pollution, reactor control and efficient heat exchanger design and other issues not resolved, is still in the midst of trials. Nuclear rocket technology is cutting-edge aerospace science technology, centralized many professional and technical sciences and aerospace, nuclear physics, nuclear chemistry, materials science, the long term future _-- wide width. The United States, Russia and Europe, China, India, Japan, Britain, Brazil and other countries in this regard have studies, in particular the United States and Russia led the way, impressive. Of course, at this stage of nuclear rocket technology, technology development there are still many difficulties. Fully formed, still to be. But humanity marching to the universe, nuclear reactor applications is essential.
Outer Space Treaty (International Convention on the Peaceful Uses of Outer Space) **
Use of Nuclear Power Sources in Outer Space Principle 15
General Assembly,
Having considered the report of its thirty-fifth session of the Committee on the Peaceful Uses of Outer Space and the Commission of 16 nuclear
It can be attached in principle on the use of nuclear power sources in outer space of the text of its report, 17
Recognize that nuclear power sources due to small size, long life and other characteristics, especially suitable for use even necessary
For some missions in outer space,
Recognizing also that the use of nuclear power sources in outer space should focus on the possible use of nuclear power sources
Those uses,
Recognizing also that the use of nuclear power sources should include or probabilistic risk analysis is complete security in outer space
Full evaluation is based, in particular, the public should focus on reducing accidental exposure to harmful radiation or radioactive material risk
risk,
Recognizing the need to a set of principles containing goals and guidelines in this regard to ensure the safety of outer space makes
With nuclear power sources,
Affirming that this set principles apply exclusively on space objects for non-power generation, which is generally characteristic
Mission systems and implementation of nuclear power sources in outer space on similar principles and used by,
Recognizing this need to refer to a new set of principles for future nuclear power applications and internationally for radiological protection
The new proposal will be revised
By the following principles on the use of nuclear power sources in outer space.
Principle 1. Applicability of international law
Involving the use of nuclear power sources in outer space activities should be carried out in accordance with international law, especially the "UN
Principles of the Charter "and" States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies Activities
Treaty "3
.
2. The principle terms
1. For the purpose of these principles, "launching State" and "launching State ......" two words mean, in related
Principles related to a time of nuclear power sources in space objects exercises jurisdiction and control of the country.
2. For the purpose of principle 9, wherein the definition of the term "launching State" as contained in that principle.
3. For the purposes of principle 3, the terms "foreseeable" and "all possible" two words are used to describe the actual hair
The overall likelihood of students that it is considered for safety analysis is credible possibilities for a class of things
Member or circumstances. "General concept of defense in depth" when the term applies to nuclear power sources in outer space refers to various settings
Count form and space operations replace or supplement the operation of the system in order to prevent system failures or mitigate thereafter
"Official Records of the General Assembly, Forty-seventh Session, Supplement No. 20" 16 (A / 47/20).
17 Ibid., Annex.
38
fruit. To achieve this purpose is not necessarily required for each individual member has redundant safety systems. Given space
Use and special requirements of various space missions, impossible to any particular set of systems or features can be specified as
Necessary to achieve this purpose. For the purpose of Principle 3 (d) of paragraph 2, "made critical" does not include
Including such as zero-power testing which are fundamental to ensuring system safety required.
Principle 3. Guidelines and criteria for safe use
To minimize the risk of radioactive material in space and the number involved, nuclear power sources in outer space
Use should be limited to non-nuclear power sources in space missions can not reasonably be performed
1. General goals for radiation protection and nuclear safety
(A) States launching space objects with nuclear power sources on board shall endeavor to protect individuals, populations and the biosphere
From radiation hazards. The design and use of space objects with nuclear power sources on board shall ensure that risk with confidence
Harm in the foreseeable operational or accidental circumstances, paragraph 1 (b) and (c) to define acceptable water
level.
Such design and use shall also ensure that radioactive material does not reliably significant contamination of outer space.
(B) the normal operation of nuclear power sources in space objects, including from paragraph 2 (b) as defined in foot
High enough to return to the track, shall be subject to appropriate anti-radiation recommended by the International Commission on Radiological Protection of the public
Protection goals. During such normal operation there shall be no significant radiation exposure;
(C) To limit exposure in accidents, the design and construction of nuclear power source systems shall take into account the international
Relevant and generally accepted radiological protection guidelines.
In addition to the probability of accidents with potentially serious radiological consequences is extremely low, the nuclear power source
Design systems shall be safely irradiated limited limited geographical area, for the individual radiation dose should be
Limited to no more than a year 1mSv primary dose limits. Allows the use of irradiation year for some years 5mSv deputy agent
Quantity limit, but the average over a lifetime effective dose equivalent annual dose not exceed the principal limit 1mSv
degree.
Should make these conditions occur with potentially serious radiological consequences of the probability of the system design is very
small.
Criteria mentioned in this paragraph Future modifications should be applied as soon as possible;
(D) general concept of defense in depth should be based on the design, construction and operation of systems important for safety. root
According to this concept, foreseeable safety-related failures or malfunctions must be capable of automatic action may be
Or procedures to correct or offset.
It should ensure that essential safety system reliability, inter alia, to make way for these systems
Component redundancy, physical separation, functional isolation and adequate independence.
It should also take other measures to increase the level of safety.
2. The nuclear reactor
(A) nuclear reactor can be used to:
39
(I) On interplanetary missions;
(Ii) the second high enough orbit paragraph (b) as defined;
(Iii) low-Earth orbit, with the proviso that after their mission is complete enough to be kept in a nuclear reactor
High on the track;
(B) sufficiently high orbit the orbital lifetime is long enough to make the decay of fission products to approximately actinides
Element active track. The sufficiently high orbit must be such that existing and future outer space missions of crisis
Risk and danger of collision with other space objects to a minimum. In determining the height of the sufficiently high orbit when
It should also take into account the destroyed reactor components before re-entering the Earth's atmosphere have to go through the required decay time
between.
(C) only 235 nuclear reactors with highly enriched uranium fuel. The design shall take into account the fission and
Activation of radioactive decay products.
(D) nuclear reactors have reached their operating orbit or interplanetary trajectory can not be made critical state
state.
(E) nuclear reactor design and construction shall ensure that, before reaching the operating orbit during all possible events
Can not become critical state, including rocket explosion, re-entry, impact on ground or water, submersion
In water or water intruding into the core.
(F) a significant reduction in satellites with nuclear reactors to operate on a lifetime less than in the sufficiently high orbit orbit
For the period (including during operation into the sufficiently high orbit) the possibility of failure, there should be a very
Reliable operating system, in order to ensure an effective and controlled disposal of the reactor.
3. Radioisotope generators
(A) interplanetary missions and other spacecraft out of Earth's gravitational field tasks using radioactive isotopes
Su generator. As they are stored after completion of their mission in high orbit, the Earth can also be used
track. We are required to make the final treatment under any circumstances.
(B) Radioisotope generators shall be protected closed systems, design and construction of the system should
Ensure that in the foreseeable conditions of the track to withstand the heat and aerodynamic forces of re-entry in the upper atmosphere, orbit
Conditions including highly elliptical or hyperbolic orbits when relevant. Upon impact, the containment system and the occurrence of parity
Physical morpheme shall ensure that no radioactive material is scattered into the environment so you can complete a recovery operation
Clear all radioactive impact area.
Principle 4. Safety Assessment
1. When launching State emission consistent with the principles defined in paragraphs 1, prior to the launch in applicable under the
Designed, constructed or manufactured the nuclear power sources, or will operate the space object person, or from whose territory or facility
Transmits the object will be to ensure a thorough and comprehensive safety assessment. This assessment shall cover
All relevant stages of space mission and shall deal with all systems involved, including the means of launching, the space level
Taiwan, nuclear power source and its equipment and the means of control and communication between ground and space.
2. This assessment shall respect the principle of 3 contained in the guidelines and criteria for safe use.
40
3. The principle of States in the Exploration and Use, including the Moon and Other Celestial Bodies Outer Space Activities Article
Results of about 11, this safety assessment should be published prior to each transmit simultaneously to the extent feasible
Note by the approximate intended time of launch, and shall notify the Secretary-General of the United Nations, how to be issued
This safety assessment before the shot to get the results as soon as possible.
Principle 5. Notification of re-entry
1. Any State launching a space object with nuclear power sources in space objects that failed to produce discharge
When radioactive substances dangerous to return to the earth, it shall promptly notify the country concerned. Notice shall be in the following format:
(A) System parameters:
(I) Name of launching State, including which may be contacted in the event of an accident to Request
Information or assistance to obtain the relevant authorities address;
(Ii) International title;
(Iii) Date and territory or location of launch;
(Iv) the information needed to make the best prediction of orbit lifetime, trajectory and impact region;
(V) General function of spacecraft;
(B) information on the radiological risk of nuclear power source:
(I) the type of power source: radioisotopes / reactor;
(Ii) the fuel could fall into the ground and may be affected by the physical state of contaminated and / or activated components, the number of
The amount and general radiological characteristics. The term "fuel" refers to as a source of heat or power of nuclear material.
This information shall also be sent to the Secretary-General of the United Nations.
2. Once you know the failure, the launching State shall provide information on the compliance with the above format. Information should as far as possible
To be updated frequently, and in the dense layers of the Earth's atmosphere is expected to return to a time when close to the best increase
Frequency of new data, so that the international community understand the situation and will have sufficient time to plan for any deemed necessary
National contingency measures.
3. It should also be at the same frequency of the latest information available to the Secretary-General of the United Nations.
Principle 6. consultation
5 According to the national principles provide information shall, as far as reasonably practicable, other countries
Requirements to obtain further information or consultations promptly reply.
Principle 7. Assistance to States
1. Upon receipt of expected with nuclear power sources on space objects and their components will return through the Earth's atmosphere
After know that all countries possessing space monitoring and tracking facilities, in the spirit of international cooperation, as soon as possible to
The Secretary-General of the United Nations and the countries they may have made space objects carrying nuclear power sources
A fault related information, so that the States may be affected to assess the situation and take any
It is considered to be the necessary precautions.
41
2. In carrying space objects with nuclear power sources back to the Earth's atmosphere after its components:
(A) launching State shall be requested by the affected countries to quickly provide the necessary assistance to eliminate actual
And possible effects, including nuclear power sources to assist in identifying locations hit the Earth's surface, to detect the re substance
Quality and recovery or cleanup activities.
(B) All countries with relevant technical capabilities other than the launching State, and with such technical capabilities
International organizations shall, where possible, in accordance with the requirements of the affected countries to provide the necessary co
help.
When according to the above (a) and subparagraph (b) to provide assistance, should take into account the special needs of developing countries.
Principle 8. Responsibility
In accordance with the States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies activities, including the principles of Article
About Article, States shall bear international responsibility for their use of nuclear power sources in outer space relates to the activities
Whether such activities are carried on by governmental agencies or non-governmental entities, and shall bear international responsibility to ensure that this
Such activities undertaken by the country in line with the principles of the Treaty and the recommendations contained therein. If it involves the use of nuclear power sources
Activities in outer space by an international organization, should be done by the international organizations and States to participate in the organization
Undertakes to comply with the principles of the Treaty and the recommendations contained in these responsibilities.
Principle 9. Liability and Compensation
1. In accordance with the principle of States in the Exploration and Use, including the Moon and Other Celestial Bodies Outer Space Activities Article
And the Convention on International Liability for Damage Caused by Space Objects covenant of Article 7
Provisions, which launches or on behalf of the State
Each State launching a space object and each State from which territory or facility a space object is launched
Kinds of space object or damage caused by components shall bear international liability. This fully applies to this
Kind of space object carrying a nuclear power source case. Two or more States jointly launch a space object,
Each launching State shall in accordance with the above Article of the Convention for any damages jointly and severally liable.
2. Such countries under the aforesaid Convention shall bear the damages shall be in accordance with international law and fair and reasonable
The principles set out in order to provide for damages to make a claim on behalf of its natural or juridical persons, national or
International organizations to restore to the state before the occurrence of the damage.
3. For the purposes of this principle, compensation should be made to include reimbursement of the duly substantiated expenses for search, recovery and clean
Cost management work, including the cost of providing assistance to third parties.
10. The principle of dispute settlement
Since the implementation of these principles will lead to any dispute in accordance with the provisions of the UN Charter, by negotiation or
Other established procedures to resolve the peaceful settlement of disputes.
Here quoted the important provisions of the United Nations concerning the use of outer space for peaceful nuclear research and international conventions, the main emphasis on the Peaceful Uses of provisions related constraints .2 the use of nuclear rockets in outer space nuclear studies, etc., can cause greater attention in nuclear power nuclear rocket ship nuclear research, manufacture, use and other aspects of the mandatory hard indicators. this scientists, engineering and technical experts are also important constraints and requirements. as IAEA supervision and management as very important.
2. radiation. Space radiation is one of the greatest threats to the safety of the astronauts, including X-rays, γ-rays, cosmic rays and high-speed solar particles. Better than aluminum protective effect of high polymer composite materials.
3. Air. Perhaps the oxygen needed to rely on oxidation-reduction reaction of hydrogen and ilmenite production of water, followed by water electrolysis to generate oxygen. Mars oxygen necessary for survival but also from the decomposition of water, electrolytically separating water molecules of oxygen and hydrogen, this oxygen equipment has been successfully used in the International Space Station. Oxygen is released into the air to sustain life, the hydrogen system into the water system.
4. The issue of food waste recycling. At present, the International Space Station on the use of dehumidifiers, sucked moisture in the air to be purified, and then changed back to drinkable water. The astronauts' urine and sweat recycling. 5. water. The spacecraft and the space station on purification system also makes urine and other liquids can be purified utilization. 6. microgravity. In microgravity or weightlessness long-term space travel, if protective measures shall not be treated, the astronauts will be muscle atrophy, bone softening health. 7. contact. 8. Insulation, 9 energy. Any space exploration are inseparable from the energy battery is a new super hybrid energy storage device, the asymmetric lead-acid batteries and supercapacitors in the same compound within the system - and the so-called inside, no additional separate electronic control unit, this is an optimal combination. The traditional lead-acid battery PbO2 monomer is a positive electrode plate and a negative electrode plate spongy Pb composition, not a super cell. : Silicon solar cells, multi-compound thin film solar cells, multi-layer polymer-modified electrode solar cells, nano-crystalline solar cells, batteries and super class. For example, the solar aircraft .10. To protect the health and life safety and security systems. Lysophosphatidic acid LPA is a growth factor-like lipid mediators, the researchers found that this substance can on apoptosis after radiation injury and animal cells was inhibited. Stable lysophosphatidic acid analogs having the hematopoietic system and gastrointestinal tract caused by acute radiation sickness protection, knockout experiments show that lysophosphatidic acid receptors is an important foundation for the protection of radiation injury. In addition to work under high pressure, the astronauts face a number of health threats, including motion sickness, bacterial infections, blindness space, as well as psychological problems, including toxic dust. In the weightless environment of space, the astronaut's body will be like in preadolescents, as the emergence of various changes.
Plantar molt
After the environment to adapt to zero gravity, the astronaut's body will be some strange changes. Weightlessness cause fluid flow around the main flow torso and head, causing the astronauts facial swelling and inflammation, such as nasal congestion. During long-term stay in space
Bone and muscle loss
Most people weightlessness caused by the impact may be known bone and muscle degeneration. In addition, the calcium bones become very fragile and prone to fracture, which is why some of the astronauts after landing need on a stretcher.
Space Blindness
Space Blindness refers astronaut decreased vision.
Solar storms and radiation is one of the biggest challenges facing the long-term space flight. Since losing the protection of Earth's magnetic field, astronauts suffer far more than normal levels of radiation. The cumulative amount of radiation exposure in low earth orbit them exceeded by workers close to nuclear reactors, thereby increasing the risk of cancer.
Prolonged space flight can cause a series of psychological problems, including depression or mood swings, vulnerability, anxiety and fear, as well as other sequelae. We are familiar with the biology of the Earth, the Earth biochemistry, biophysics, after all, the Earth is very different astrophysics, celestial chemistry, biophysics and astrophysics, biochemistry and other celestial bodies. Therefore, you must be familiar with and adapt to these differences and changes.
Osteoporosis and its complications ranked first in the space of disease risk.
Long-term health risks associated with flying Topics
The degree of influence long-term biological effects of radiation in human flight can withstand the radiation and the maximum limit of accumulated radiation on physiology, pathology and genetics.
Physiological effects of weightlessness including: long-term bone loss and a return flight after the maximum extent and severity of the continued deterioration of other pathological problems induced by the; maximum flexibility and severity of possible long-term Flight Center in vascular function.
Long-term risk of disease due to the high risk of flight stress, microbial variation, decreased immune function, leading to infections
Radiation hazards and protection
1) radiation medicine, biology and pathway effects Features
Radiation protection for interplanetary flight, since the lack of protective effect of Earth's magnetic field, and by the irradiation time is longer, the possibility of increased radiation hazard.
Analysis of space flight medical problems that may occur, loss of appetite topped the list, sleep disorders, fatigue and insomnia, in addition, space sickness, musculoskeletal system problems, eye problems, infections problems, skin problems and cardiovascular problems
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Development of diagnostic techniques in orbit, the development of the volume of power consumption, features a wide range of diagnostic techniques, such as applied research of ultrasound diagnostic techniques in the abdominal thoracic trauma, bone, ligament damage, dental / sinus infections and other complications and integrated;
Actively explore in orbit disposal of medical technology, weightlessness surgical methods, development of special surgical instruments, the role of narcotic drugs and the like.
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However, space technology itself is integrated with the use of the most advanced technology, its challenging technical reserves and periodic demanding
With the continuous development of science and technology, space agencies plan a manned landing on the moon and Mars, space exploration emergency medicine current concern.
Space sickness
In the weightless environment of space, in the weightless environment of space, surgery may be extremely difficult and risky.
Robot surgeons
Space disease in three days after entering the space started to ease, although individual astronauts might subsequently relapse. January 2015 NASA declared working on a fast, anti-nausea and nasal sprays. In addition, due to the zero-gravity environment, and anti-nausea drugs can only be administered by injection or transdermal patches manner.
Manned spaceflight in the 21st century is the era of interplanetary flight, aerospace medicine is closely watched era is the era of China's manned space flourish. Only the central issue, and grasp the opportunity to open up a new world of human survival and development.
Various emergency contingency measures in special circumstances. Invisible accident risk prevention. Enhancing drugs and other screening methods immunity aerospace medicine and tissue engineering a microgravity environment. Drug mixture of APS, ginseng polysaccharides, Ganoderma lucidum polysaccharides, polysaccharides and Lentinan, from other compounds. Drug development space syndrome drug, chemical structure modification will be an important part.
These issues are very sensitive, cutting-edge technology is a major difficulty landing on Mars. Countries in the world, especially the world's major space powers in the country strategies and technical research, the results of all kinds continue to emerge. United States, Russia, China, Europe, India, Japan and other countries is different. United States, Russia extraordinary strength. Many patented technology and health, and most belong to the top-secret technology. Especially in aerospace engineering and technological achievements is different from the general scientific literature, practical, commercial, industrial great, especially the performance of patents, know-how, technical drawings, engineering design and other aspects. Present Mars and return safely to Earth, the first manned, significance, everything is hard in the beginning, especially the first person to land on Mars This Mars for Human Sciences Research Mars, the moon, the earth, the solar system and the universe, life and other significant. Its far greater than the value of direct investments and business interests.
In addition, it is the development of new materials, suitable for deep space operations universe, life, and other detection, wider field.
Many aerospace materials, continuous research and development of materials are key areas of aerospace development, including material rocket, the spacecraft materials, the suit materials, radiation materials, materials and equipment, instruments, materials and so on biochemistry.
Temperature metal-based compound with a metal matrix composite body with a more primordial higher temperature strength, creep resistance, impact resistance, thermal fatigue and other excellent high temperature performance.
In B, C, SiC fiber reinforced Ti3Al, TiAl, Ni3Al intermetallic matrix composites, etc.
W Fiber Reinforced with nickel-based, iron-based alloys as well as SiC, TiB2, Si3N4 and BN particle reinforced metal matrix composites
High temperature service conditions require the development of ceramic and carbon-based composite materials, etc., not in this eleven Cheung said.
Fuel storage
In order to survive in space, people need many things: food, oxygen, shelter, and, perhaps most importantly, fuel. The initial quality Mars mission somewhere around 80 percent of the space launch humans will be propellant. The fuel amount of storage space is very difficult.
This difference in low Earth orbit cause liquid hydrogen and liquid oxygen - rocket fuel - vaporization.
Hydrogen is particularly likely to leak out, resulting in a loss of about 4% per month.
When you want to get people to Mars speed to minimize exposure to weightlessness and space radiation hazards
Mars
Landings on the Martian surface, they realized that they reached the limit. The rapid expansion of the thin Martian atmosphere can not be very large parachute, such as those that will need to be large enough to slow down, carry human spacecraft.
Therefore, the parachute strong mass ratio, high temperature resistance, Bing shot performance and other aspects of textile materials used have special requirements, in order to make a parachute can be used in rockets, missiles, Yu arrows spacecraft and other spacecraft recovery, it is necessary to improve the canopy heat resistance, a high melting point polymeric fiber fabric used, the metal fabric, ceramic fiber fabrics, and other devices.
Super rigid parachute to help slow the landing vehicle.
Spacecraft entered the Martian atmosphere at 24,000 km / h. Even after slowing parachute or inflatable, it will be very
Once we have the protection of the Earth magnetic field, the solar radiation will accumulate in the body, a huge explosion threw the spacecraft may potentially lethal doses of radiation astronauts.
In addition to radiation, the biggest challenge is manned trip to Mars microgravity, as previously described.
The moon is sterile. Mars is another case entirely.
With dust treatment measures.
Arid Martian environment to create a super-tiny dust particles flying around the Earth for billions of years.
Apollo moon dust encountered. Ultra-sharp and abrasive lunar dust was named something that can clog the basic functions of mechanical damage. High chloride salt, which can cause thyroid problems in people.
Mars geological structure and geological structure of the moon, water on Mars geology, geology of the Moon is very important, because he, like the Earth's geology is related to many important issues. Water, the first element of life, air, temperature, and complex geological formations are geological structure. Cosmic geology research methods, mainly through a variety of detection equipment equipped with a space probe, celestial observations of atmospheric composition, composition and distribution of temperature, pressure, wind speed, vertical structure, composition of the solar wind, the water, the surface topography and Zoning, topsoil the composition and characteristics of the component surface of the rock, type and distribution, stratigraphic sequence, structural system and the internal shell structure.
Mars internal situation only rely on its surface condition of large amounts of data and related information inferred. It is generally believed that the core radius of 1700 km of high-density material composition; outsourcing a layer of lava, it is denser than the Earth's mantle some; outermost layer is a thin crust. Compared to other terrestrial planets, the lower the density of Mars, which indicates that the Martian core of iron (magnesium and iron sulfide) with may contain more sulfur. Like Mercury and the Moon, Mars and lack active plate movement; there is no indication that the crust of Mars occurred can cause translational events like the Earth like so many of folded mountains. Since there is no lateral movement in the earth's crust under the giant hot zone relative to the ground in a stationary state. Slight stress coupled with the ground, resulting in Tharis bumps and huge volcano. For the geological structure of Mars is very important, which is why repeated explorations and studies of Martian geological reasons.
Earth's surface
Each detector component landing site soil analysis:
Element weight percent
Viking 1
Oxygen 40-45
Si 18-25
Iron 12-15
K 8
Calcium 3-5
Magnesium 3-6
S 2-5
Aluminum 2-5
Cesium 0.1-0.5
Core
Mars is about half the radius of the core radius, in addition to the primary iron further comprises 15 to 17% of the sulfur content of lighter elements is also twice the Earth, so the low melting point, so that the core portion of a liquid, such as outside the Earth nuclear.
Mantle
Nuclear outer coating silicate mantle.
Crust
The outermost layer of the crust.
Crustal thickness obtained, the original thickness of the low north 40 km south plateau 70 kilometers thick, an average of 50 kilometers, at least 80 km Tharsis plateau and the Antarctic Plateau, and in the impact basin is thin, as only about 10 kilometers Greece plains.
Canyon of Mars there are two categories: outflow channels (outflow channel) and tree valley (valley network). The former is very large, it can be 100 km wide, over 2000 km long, streamlined, mainly in the younger Northern Hemisphere, such as the plain around Tyre Chris Canyon and Canyon jam.
In addition, the volcanic activity sometimes lava formation lava channels (lava channel); crustal stress generated by fissures, faults, forming numerous parallel extending grooves (fossa), such as around the huge Tharsis volcanic plateau radially distributed numerous grooves, which can again lead to volcanic activity.
Presumably, Mars has an iron as the main component of the nucleus, and contains sulfur, magnesium and other light elements, the nuclear share of Mars, the Earth should be relatively small. The outer core is covered with a thick layer of magnesium-rich silicate mantle, the surface of rocky crust. The density of Earth-like planets Mars is the lowest, only 3.93g / cc.
Hierarchy
The crust
Lunar core
The average density of the Moon is 3.3464 g / cc, the solar system satellites second highest (after Aiou). However, there are few clues mean lunar core is small, only about 350 km radius or less [2]. The core of the moon is only about 20% the size of the moon, the moon's interior has a solid, iron-rich core diameter of about 240 kilometers (150 miles); in addition there is a liquid core, mainly composed of iron outer core, about 330 km in diameter (205 miles), and for the first time compared with the core of the Earth, considered as the earth's outer core, like sulfur and oxygen may have lighter elements [4].
Chemical elements on the lunar surface constituted in accordance with its abundance as follows: oxygen (O), silicon (Si), iron (Fe), magnesium (Mg), calcium (Ca), aluminum (Al), manganese (Mn), titanium ( Ti). The most abundant is oxygen, silicon and iron. The oxygen content is estimated to be 42% (by weight). Carbon (C) and nitrogen (N) only traces seem to exist only in trace amounts deposited in the solar wind brings.
Lunar Prospector from the measured neutron spectra, the hydrogen (H) mainly in the lunar poles [2].
Element content (%)
Oxygen 42%
Silicon 21%
Iron 13%
Calcium 8%
Aluminum 7%
Magnesium 6%
Other 3%
Lunar surface relative content of each element (% by weight)
Moon geological history is an important event in recent global magma ocean crystallization. The specific depth is not clear, but some studies have shown that at least a depth of about 500 kilometers or more.
Lunar landscape
Lunar landscape can be described as impact craters and ejecta, some volcanoes, hills, lava-filled depressions.
Regolith
TABLE bear the asteroid and comets billions of years of bombardment. Over time, the impact of these processes have already broken into fine-grained surface rock debris, called regolith. Young mare area, regolith thickness of about 2 meters, while the oldest dated land, regolith thickness of up to 20 meters. Through the analysis of lunar soil components, in particular the isotopic composition changes can determine the period of solar activity. Solar wind gases possible future lunar base is useful because oxygen, hydrogen (water), carbon and nitrogen is not only essential to life, but also may be useful for fuel production. Lunar soil constituents may also be as a future source of energy.
Here, repeatedly stressed that the geological structure and geological structure of celestial bodies, the Earth, Moon, Mars, or that this human existence and development of biological life forms is very important, especially in a series of data Martian geological structure geological structure is directly related to human landing Mars and the successful transformation of Mars or not. for example, water, liquid water, water, oxygen, synthesis, must not be taken lightly.
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Mars landing 10 Technology
Aerospace Science and space science and technology major innovation of the most critical of sophisticated technology R & D project
[
"1" rocket propulsion technology ion fusion nuclear pulse propulsion rocket powered high-speed heavy rocket technology, space nuclear reactors spacecraft] brought big problems reflected in the nuclear reaction, nuclear radiation on spacecraft launch, control, brakes and other impact.
In particular, for the future of nuclear power spacecraft, the need to solve the nuclear reactor design, manufacture, control, cooling, radiation shielding, exhaust pollution, high thermoelectric conversion efficiency and a series of technical problems.
In particular, nuclear reactors produce radiation on astronauts' health will pose a great threat, which requires the spacecraft to be nuclear radiation shielding to ensure astronaut and ship the goods from radiation and heat from the reactor influence, but this will greatly increase the weight of the detector.
Space nuclear process applications, nuclear reaction decay is not a problem, but in a vacuum, ultra-low temperature environment, the nuclear reaction materials, energy transport materials have very high demands.
Space facing the reality of a nuclear reactor cooling cooling problems. To prevent problems with the reactor, "Washington" aircraft carrier to take four heavy protective measures for the radiation enclosed in the warship. These four measures are: the fuel itself, fuel storage pressure vessel, reactor shell and the hull. US Navy fuel all metal fuel, designed to take the impact resistance of the war, does not release fission product can withstand more than 50 times the gravity of the impact load; product of nuclear fission reactor fuel will never enter loop cooling water. The third layer of protection is specially designed and manufactured the reactor shell. The fourth layer is a very strong anti-impact combat ship, the reactor is arranged in the center of the ship, very safe. Engage in a reactor can only be loaded up to the aircraft, so as to drive the motor, and then drive the propeller. That is the core advantage of the heat generated by the heated gas flow, high temperature high pressure gas discharge backward, thereby generating thrust.
.
After installation AMPS1000 type nuclear power plant, a nuclear fuel assembly: He is a core member of the nuclear fuel chain reaction. Usually made into uranium dioxide, of which only a few percent uranium-235, and most of it is not directly involved in the nuclear fission of uranium 238. The uranium dioxide sintered into cylindrical pieces, into a stainless steel or a zirconium alloy do metal tubes called fuel rods or the original, then the number of fuel rods loaded metal cylinder in an orderly composition of the fuel assembly, and finally put a lot of vertical distribution of fuel assemblies in the reactor.
Nuclear reactor pressure vessel is a housing for containing nuclear fuel and reactor internals, for producing high-quality high-strength steel is made to withstand the pressure of dozens MPa. Import and export of the coolant in the pressure vessel.
The top of the pressure vessel closure, and can be used to accommodate the fixed control rod drive mechanism, pressure vessel head has a semi-circular, flat-topped.
Roof bolt: used to connect the locking pressure vessel head, so that the cylinder to form a completely sealed container.
Neutron Source: Plug in nuclear reactors can provide sufficient neutron, nuclear fuel ignition, to start to enhance the role of nuclear reactors and nuclear power. Neutron source generally composed of radium, polonium, beryllium, antimony production. Neutron source and neutron fission reactors are fast neutron, can not cause fission of uranium 235, in order to slow down, we need to moderator ---- full of pure water in a nuclear reactor. Aircraft carriers, submarines use nuclear reactor control has proven more successful.
Rod: has a strong ability to absorb neutrons, driven by the control rod drive mechanism, can move up and down in a nuclear reactor control rods within the nuclear fuel used to start, shut down the nuclear reactor, and maintain, regulate reactor power. Hafnium control rods in general, silver, indium, cadmium and other metals production.
Control rod drive mechanism: He is the executive body of nuclear reactors operating system and security protection systems, in strict accordance with requirements of the system or its operator control rod drives do move up and down in a nuclear reactor, nuclear reactor for power control. In a crisis situation, you also can quickly control rods fully inserted into the reactor in order to achieve the purpose of the emergency shutdown
Upper and lower support plate: used to secure the fuel assembly. High temperature and pressure inside the reactor is filled with pure water (so called pressurized water reactors), on the one hand he was passing through a nuclear reactor core, cooling the nuclear fuel, to act as a coolant, on the other hand it accumulates in the pressure vessel in play moderated neutrons role, acting as moderator.
Water quality monitoring sampling system:
Adding chemical system: under normal circumstances, for adding hydrazine, hydrogen, pH control agents to the primary coolant system, the main purpose is to remove and reduce coolant oxygen, high oxygen water suppression equipment wall corrosion (usually at a high temperature oxygen with hydrogen, especially at low temperatures during startup of a nuclear reactor with added hydrazine oxygen); when the nuclear reactor control rods stuck for some reason can not shutdown time by the the system can inject the nuclear reactor neutron absorber (such as boric acid solution), emergency shutdown, in order to ensure the safety of nuclear submarines.
Water system: a loop inside the water will be reduced at work, such as water sampling and analysis, equipment leaks, because the shutdown process cooling water and reduction of thermal expansion and contraction.
Equipment cooling water system:
Pressure safety systems: pressure reactor primary coolant system may change rapidly for some reason, the need for effective control. And in severe burn nuclear fuel rods, resulting in a core melt accident, it is necessary to promptly increase the pressure. Turn the regulator measures the electric, heating and cooling water. If necessary, also temporary startup booster pump.
Residual Heat Removal System: reactor scram may be due to an accident, such as when the primary coolant system of the steam generator heat exchanger tube is damaged, it must be urgently closed reactors.
Safety Injection System: The main components of this system is the high-pressure injection pump.
Radioactive waste treatment systems:
Decontamination Systems: for the removal of radioactive deposits equipment, valves, pipes and accessories, and other surfaces.
Europe, the United States and Russia and other countries related to aircraft carriers, submarines, icebreakers, nuclear-powered research aircraft, there are lots of achievements use of nuclear energy, it is worth analysis. However, nuclear reactor technology, rocket ships and the former are very different, therefore, requires special attention and innovative research. Must adopt a new new design techniques, otherwise, fall into the stereotype, it will avail, nothing even cause harm Aerospace.
[ "2" spacecraft structure]
[ "3"] radiation technology is the use of deep-sea sedimentation fabric fabrics deepwater technology development precipitated silver metal fibers or fiber lint and other materials and micronaire value between 4.1 to 4.3 fibers made from blends. For radiation protection field, it greatly enhances the effects of radiation and service life of clothing. Radiation resistant fiber) radiation resistant fiber - fiber polyimide polyimide fibers
60 years the United States has successfully developed polyimide fibers, it has highlighted the high temperature, radiation-resistant, fire-retardant properties.
[ "4" cosmic radiation resistant clothing design multifunctional anti-aging, wear underwear] ① comfort layer: astronauts can not wash clothes in a long flight, a lot of sebum, perspiration, etc. will contaminate underwear, so use soft, absorbent and breathable cotton knitwear making.
② warm layer: at ambient temperature range is not the case, warm layer to maintain a comfortable temperature environment. Choose warm and good thermal resistance large, soft, lightweight material, such as synthetic fibers, flakes, wool and silk and so on.
③ ventilation and cooling clothes clothes
Spacesuit
In astronaut body heat is too high, water-cooled ventilation clothing and clothing to a different way of heat. If the body heat production more than 350 kcal / h (ventilated clothes can not meet the cooling requirements, then that is cooled by a water-cooled suit. Ventilating clothing and water-cooled multi-use compression clothing, durable, flexible plastic tubing, such as polyvinyl chloride pipe or nylon film.
④ airtight limiting layer:
⑤ insulation: astronaut during extravehicular activities, from hot or cold insulation protection. It multilayer aluminized polyester film or a polyimide film and sandwiched between layers of nonwoven fabric to be made.
⑥ protective cover layer: the outermost layer of the suit is to require fire, heat and anti-space radiation on various factors (micrometeorites, cosmic rays, etc.) on the human body. Most of this layer with aluminized fabric.
New space suits using a special radiation shielding material, double design.
And also supporting spacesuit helmet, gloves, boots and so on.
[ "5" space - Aerospace biomedical technology, space, special use of rescue medication Space mental health care systems in space without damage restful sleep positions - drugs, simple space emergency medical system
]
[ "6" landing control technology, alternate control technology, high-performance multi-purpose landing deceleration device (parachute)]
[ "7" Mars truck, unitary Mars spacecraft solar energy battery super multi-legged (rounds) intelligent robot] multifunction remote sensing instruments on Mars, Mars and more intelligent giant telescope
[8 <> Mars warehouse activities, automatic Mars lander - Automatic start off cabin
]
[ "9" Mars - spacecraft docking control system, return to the system design]
Space flight secondary emergency life - support system
Spacecraft automatic, manual, semi-automatic operation control, remote control switch system
Automatic return spacecraft systems, backup design, the spacecraft automatic control operating system modular blocks of]
[10 lunar tracking control system
Martian dust storms, pollution prevention, anti-corrosion and other special conditions thereof
Electric light aircraft, Mars lander, Mars, living spaces, living spaces Mars, Mars entry capsule, compatible utilization technology, plant cultivation techniques, nutrition space - space soil]
Aerospace technology, space technology a lot, a lot of cutting-edge technology. Human landing on Mars technology bear the brunt. The main merge the human landing on Mars 10 cutting-edge technology, in fact, these 10 cutting-edge technology, covering a wide range, focused, and is the key to key technologies. They actually shows overall trends and technology Aerospace Science and Technology space technology. Human triumph Mars and safe return of 10 cutting-edge technology is bound to innovation. Moreover, in order to explore the human Venus, Jupiter satellites and the solar system, the Milky Way and other future development of science and laid the foundation guarantee. But also for the transformation of human to Mars, the Moon and other planets livable provides strong technical support. Aerospace Science and Technology which is a major support system.
Preparation of oxygen, water, synthesis, temperature, radiation, critical force confrontation. Regardless of the moon or Mars, survive three elements bear the brunt.
Chemical formula: H₂O
Formula: H-O-H (OH bond between two angle 104.5 °).
Molecular Weight: 18.016
Chemical Experiment: water electrolysis. Formula: 2H₂O = energized = 2H₂ ↑ + O₂ ↑ (decomposition)
Molecules: a hydrogen atom, an oxygen atom.
Ionization of water: the presence of pure water ionization equilibrium following: H₂O == == H⁺ + OH⁻ reversible or irreversible H₂O + H₂O = = H₃O⁺ + OH⁻.
NOTE: "H₃O⁺" hydronium ions, for simplicity, often abbreviated as H⁺, more accurate to say the H9O4⁺, the amount of hydrogen ion concentration in pure water material is 10⁻⁷mol / L.
Electrolysis of water:
Water at DC, decomposition to produce hydrogen and oxygen, this method is industrially prepared pure hydrogen and oxygen 2H₂O = 2H₂ ↑ + O₂ ↑.
. Hydration Reaction:
Water with an alkaline active metal oxides, as well as some of the most acidic oxide hydration reaction of unsaturated hydrocarbons.
Na₂O + H₂O = 2NaOH
CaO + H₂O = Ca (OH) ₂
SO₃ + H₂O = H₂SO₄
P₂O₅ + 3H₂O = 2H₃PO₄ molecular structure
CH₂ = CH₂ + H₂O ← → C₂H₅OH
6. The diameter of the order of magnitude of 10 water molecules negative power of ten, the water is generally believed that a diameter of 2 to 3 this organization. water
7. Water ionization:
In the water, almost no water molecules ionized to generate ions.
H₂O ← → H⁺ + OH⁻
Heating potassium chlorate or potassium permanganate preparation of oxygen
Pressurized at low temperatures, the air into a liquid, and then evaporated, since the boiling point of liquid nitrogen is -196 deg.] C, lower than the boiling point of liquid oxygen (-183 ℃), so the liquid nitrogen evaporated from the first air, remaining the main liquid oxygen.
Of course, the development
The Inca Trail is a magnificent, well preserved Inca Trail route which connects Machu Picchu with what once were other regions of the Inca Empire, and today it is one of the world’s most popular treks. This four-day walk goes from the highlands of 4,200mts and down through the cloud forests to finally arrive at Machu Picchu - 2,380mts.
DAY 01. - Between 06:00 and 06:30 we pick you up at your hotel in our private bus. Ensure you have your original passport and ISIC student card (if applicable – for a discount on entree fee to Machu Picchu).
The journey by bus to km 82 (the starting point for the Inca Trail) takes approximately 3 hours. Once we get there and are all ready to go, this first day will have us walking mostly through the valley. It starts at 2380m with a small climb to a plateau overlooking the Incan site of Llactapata and rewards you with superb views of Mount Veronica. Walking times are always approximate depending on weather conditions, group ability and other factors, but generally you will walk about 2-3 hours before lunch. Then after lunch we walk on just past the village of Wayllabamba to reach our first campsite at 3000m.
Approx 14km, 6 hours walking this day at Inca Trail.
DAY 02. - Day 2 is the most difficult day as you Inca Trail walk from about 3000m to 4200m — the highest pass of the trek (known as Dead Woman’s Pass – but don’t be discouraged!). You can walk at your own pace and stop to get your breath whenever you like. You’ll find your energy returns once you continue down to the valley of Pacaymayo, where we camp at 3600m.
You can hire a porter from the village of Wayllabamba to carry your pack to the top of this pass for approximately 70 soles. If you wish to do so you must organize and pay this money directly to the person who carries your items, and please check your belongings upon receiving them at the end of this service as these people are not Sap Adventures staff.
This is the coldest night at Inca Trail; between +2/+4 degrees Celsius (in December) and -3/-5 degrees Celsius (in June). Approx 12km, 7 hours walking this day at Inca Trail.
DAY 03.- Day 3 is exceptionally beautiful because of the ruins you will witness and the incredible stone Inca Trail you walk one, and also because there is a lot more downhill than uphill! However, there are about 2000 stairs descending from the ruins of Phuyupatamarca to those of Wiñaywayna, so take care with your knees. If you have had knee or ankle injuries an extra porter is recommended so that you are not carrying extra weight and overstressing your joints. There is a guided tour of all the ruins on the way. Camping is usually at Wiñaywayna 2700 mtrs.
Take extra care of your personal belongings at this campsite as all the tours campsites are nearby. As usual, always keep your daypack containing your valuables with you. The only hot shower on the Inca Trail is on this third night at Wiñaywayna. There is a hostel near the campsite with an 8min hot shower for 5 soles, and a bar and restaurant where you can purchase bottled water.
Approx 16km, 6 hours walking this day on Inca Trail.
DAY 04.- We get up extremely early to arrive at the magical Intipunku "The Gate of the Sun" as the first rays begin illuminating the lost city of Machu Picchu down bellow. A further 20 min walk down from here takes us to the famous view from the terraces at the end of the trail. It is a good time to take pictures before the 10:30 crowds arrive. Your tour of Machu Picchu should last about 2 hours and finish between 10:30 and 11:00am. Then you have free time to climb Huayna Picchu if you wish (This is the famous peak in the background of most images of Machu Picchu. The trek is about 90 minutes). A maximum of 400 hikers can climb this mountain per day so if you are determined then start immediately after your tour! Or, of course, you may simply just collapse under a tree and quietly reflect in amazement at the mystery, the architectural achievement and beauty of Machu Picchu.
From Machu Picchu, it is a pleasant walk through sub-tropical jungle down to Aguas Calientes (about 45 mins), but if you are weary you may also take a bus – the $7 bus ticket is included and your guide will give you the ticket.
Once in Aguas Calientes you can have a hot shower, and then store your backpack while you go to have lunch, visit the hot springs or shop around the village.
If you are not extending your stay for one night in Aguas Calientes*, you will leave around 6pm to return to Cusco by train or by a combination of train & bus. Please note that during the high season there are a number of different departure times for the trains that run only to Ollantaytambo, from where buses run onwards till Cusco. The type of return journey depends simply on availability. You will arrive back in Cusco around 9 - 9.30pm.
Approx 7km, 2 hours walking this day on Inca Trail.
Date: 1916
Source Type: Photograph
Publisher, Printer, Photographer: Unknown
Postmark: Not applicable
Collection: Steven R. Shook
Remark: Camp Wilders was established as a survey crew camp that operated in the Wilders, Indiana, area in 1916 for the Erie Railroad. The crew lived in an old passenger railcar and was employed surveying for a new bridge over the Kankakee River and other smaller bridges over waterways (i.e., creeks and ditches) in Porter and LaPorte Counties.
Copyright 2012. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Billings Bakery Interior, East Main Street
Date: 1911
Source Type: Photograph
Publisher, Printer, Photographer: Joseph Decker
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The following text was published with this image....
When S. C. Billings started in business in 1891 he occupied a small rear bakery shop at 16 North Washington Street, with only ten feet of front window space. He soon outgrew these cramped quarters and leased the building at 18 North Washington Street. Six years later he bought as his permanent business home 22 North Washington Street. But during his business career Mr. Billings left out of account two things:-- His ability to draw trade and the steady growth of Valparaiso. So he was compelled three years ago to move again into much larger quarters at 13 East Main Street. He is one of Valparaiso's leading business men, and loyal to her best interests.
Source:
Decker, Joseph. 1911. Souvenir Book of Valparaiso, Indiana. Valparaiso, Indiana: Valparaiso Printing Company. Unpaginated.
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Registration MFP9P
Make TOYOTA
Model CELICA ST 1600
Date of Liability 01 04 2011
Date of First Registration 10 02 1976
Year of Manufacture 1976
Cylinder Capacity (cc) 1588CC
CO2 Emissions Not Available
Fuel Type Petrol
Export Marker Not Applicable
Vehicle Status SORN Not Due
Vehicle Colour WHITE
Date: 1905
Source Type: Photograph
Publisher, Printer, Photographer: A. H. Reading
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: This images shows postmaster, deputy postmaster, clerks, city carriers, and rural carriers operating from the Valparaiso, Porter County, Indiana, post office in 1905. Aaron W. Lytle was serving as Valparaiso's postmaster at the time this photograph was taken.
Source:
Reading, A. H. 1905. The City of Homes, Schools and Churches: A Pictorial Story of Valparaiso, Its People and Its Environs. Valparaiso, Indiana: A. H. Reading. 82 p. [see p. 42]
Copyright 2020. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
White Cross Gold Mining Company, Limited
Prospectus
Page 3
Date: 1902
Source Type: Pamphlet
Publisher, Printer, Photographer: Euclid Printing Company
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The articles of incorporation for the the White Cross Gold Mining Company, Limited, were subscribed to on June 2, 1900, and recorded in Latah County, Idaho, on June 5, 1900, by Oscar Larson, Latah County Recorder.
Six individuals were listed in the articles of incorporation, each owning 100,000 shares of the company valued at $10,000 (10¢ per share). These individuals were Dr. Frank Dunlap, Daniel S. Elder, R. L. Johnson, Hans J. Lestoe, J. W. Sherer, and F. C. Smith, all of whom were listed as residing in Moscow, Latah County, Idaho.
The White Cross Gold Mine is located in the SW¼ of SW¼ of SW¼ of Section 13, Township 40 North, Range 5 West of Boise Meridian.
While the mine did produce gold ore, the volume was insufficient to cover mining costs and the company ceased operation.
The Gray Eagle Gold Mining Company was located near the White Cross Mine but was not as fully developed as the White Cross Mine.
Sources:
The Spokesman-Review, Spokane, Spokane County, Washington; March 31, 1901; Volume 18, Number 281, Page 7, Column 2. Column titled "White Cross Will Output. Moscow Property Making Test Shipment -- Election of Officers."
The Spokesman-Review, Spokane, Spokane County, Washington; April 15, 1908; Volume 25, Number 305, Page 8, Column 1. Column titled "Mining Claims Contested. Woman's Stone and Timber Property Cause of Trouble. Mrs. Mary Hannah Disputes With White Cross and Gray Eagle Properties."
White Cross Gold Mining Company, Ltd. 1902. The White Cross Gold Mining Company, Ltd. Prospectus. Cleveland, Ohio: Euclid Printing Company. 20 p.
Copyright 2022. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
The Inca Trail is a magnificent, well preserved Inca Trail route which connects Machu Picchu with what once were other regions of the Inca Empire, and today it is one of the world’s most popular treks. This four-day walk goes from the highlands of 4,200mts and down through the cloud forests to finally arrive at Machu Picchu - 2,380mts.
DAY 01. - Between 06:00 and 06:30 we pick you up at your hotel in our private bus. Ensure you have your original passport and ISIC student card (if applicable – for a discount on entree fee to Machu Picchu).
The journey by bus to km 82 (the starting point for the Inca Trail) takes approximately 3 hours. Once we get there and are all ready to go, this first day will have us walking mostly through the valley. It starts at 2380m with a small climb to a plateau overlooking the Incan site of Llactapata and rewards you with superb views of Mount Veronica. Walking times are always approximate depending on weather conditions, group ability and other factors, but generally you will walk about 2-3 hours before lunch. Then after lunch we walk on just past the village of Wayllabamba to reach our first campsite at 3000m.
Approx 14km, 6 hours walking this day at Inca Trail.
DAY 02. - Day 2 is the most difficult day as you Inca Trail walk from about 3000m to 4200m — the highest pass of the trek (known as Dead Woman’s Pass – but don’t be discouraged!). You can walk at your own pace and stop to get your breath whenever you like. You’ll find your energy returns once you continue down to the valley of Pacaymayo, where we camp at 3600m.
You can hire a porter from the village of Wayllabamba to carry your pack to the top of this pass for approximately 70 soles. If you wish to do so you must organize and pay this money directly to the person who carries your items, and please check your belongings upon receiving them at the end of this service as these people are not Sap Adventures staff.
This is the coldest night at Inca Trail; between +2/+4 degrees Celsius (in December) and -3/-5 degrees Celsius (in June). Approx 12km, 7 hours walking this day at Inca Trail.
DAY 03.- Day 3 is exceptionally beautiful because of the ruins you will witness and the incredible stone Inca Trail you walk one, and also because there is a lot more downhill than uphill! However, there are about 2000 stairs descending from the ruins of Phuyupatamarca to those of Wiñaywayna, so take care with your knees. If you have had knee or ankle injuries an extra porter is recommended so that you are not carrying extra weight and overstressing your joints. There is a guided tour of all the ruins on the way. Camping is usually at Wiñaywayna 2700 mtrs.
Take extra care of your personal belongings at this campsite as all the tours campsites are nearby. As usual, always keep your daypack containing your valuables with you. The only hot shower on the Inca Trail is on this third night at Wiñaywayna. There is a hostel near the campsite with an 8min hot shower for 5 soles, and a bar and restaurant where you can purchase bottled water.
Approx 16km, 6 hours walking this day on Inca Trail.
DAY 04.- We get up extremely early to arrive at the magical Intipunku "The Gate of the Sun" as the first rays begin illuminating the lost city of Machu Picchu down bellow. A further 20 min walk down from here takes us to the famous view from the terraces at the end of the trail. It is a good time to take pictures before the 10:30 crowds arrive. Your tour of Machu Picchu should last about 2 hours and finish between 10:30 and 11:00am. Then you have free time to climb Huayna Picchu if you wish (This is the famous peak in the background of most images of Machu Picchu. The trek is about 90 minutes). A maximum of 400 hikers can climb this mountain per day so if you are determined then start immediately after your tour! Or, of course, you may simply just collapse under a tree and quietly reflect in amazement at the mystery, the architectural achievement and beauty of Machu Picchu.
From Machu Picchu, it is a pleasant walk through sub-tropical jungle down to Aguas Calientes (about 45 mins), but if you are weary you may also take a bus – the $7 bus ticket is included and your guide will give you the ticket.
Once in Aguas Calientes you can have a hot shower, and then store your backpack while you go to have lunch, visit the hot springs or shop around the village.
If you are not extending your stay for one night in Aguas Calientes*, you will leave around 6pm to return to Cusco by train or by a combination of train & bus. Please note that during the high season there are a number of different departure times for the trains that run only to Ollantaytambo, from where buses run onwards till Cusco. The type of return journey depends simply on availability. You will arrive back in Cusco around 9 - 9.30pm.
Approx 7km, 2 hours walking this day on Inca Trail.
Date: 1916
Source Type: Photograph
Publisher, Printer, Photographer: Unknown
Postmark: Not applicable
Collection: Steven R. Shook
Remark: Camp Wilders was established as a survey crew camp that operated in the Wilders, Indiana, area in 1916 for the Erie Railroad. The crew lived in an old passenger railcar and was employed surveying for a new bridge over the Kankakee River and other smaller bridges over waterways (i.e., creeks and ditches) in Porter and LaPorte Counties.
Copyright 2012. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Lowenstine's Department Store
Established 1885 Incorporated 1909
Date: 1911
Source Type: Photograph
Publisher, Printer, Photographer: Joseph Decker
Postmark: Not applicable
Collection: Steven R. Shook
Remark: Jacob Lowenstine located his business in Valparaiso in May 1885. His first retail outlet was called the Grand Opera One-Price Clothing House, which was housed on the lower floor of the Grand Opera House (not the Memorial Opera House). At that time, the ground floor of the Grand Opera House was vacant given that the Quartermass Brothers had discontinued their business. After the rent was increased considerably at the Grand Opera House location, Lowenstine decided to purchase the old Odd Fellows building on Franklin Street, shown here, and move his business there. Lowenstine's department store business grew rapidly and the Odd Fellows building constrained growth. Hence, Lowenstine began purchasing lots located to the north and south of his building. Eventually a new store replaced the Odd Fellows building, as well as some buildings adjacent to it. The alley behind the Odd Fellows building was also vacated so that it could be used as ground for the new building.
Source:
Decker, Joseph. 1911. Souvenir Book of Valparaiso, Indiana. Valparaiso, Indiana: Valparaiso Printing Company. Unpaginated.
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Auditorium
Date: 1905
Source Type: Photograph
Publisher, Printer, Photographer: A. H. Reading
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The Auditorium at Valparaiso University was constructed in 1892. It served as a center for entertainment and was later converted to a chapel. The structure was destroyed by fire on November 27, 1956.
The following news item concerning the construction of the Auditorium Building appeared in the June 26, 1891, issue of The Tribune:
Valpo's New Normal College.
Never in the history of any school has such marvelous growth and development been seen as of the Normal School of Valparaiso. Professors Brown and Kinsey, by their untiring efforts and indefatigable labors have won for themselves an undying reputation consequent on their establishment and management of the Normal. Their school has multiplied and re-multiplied until now they deem it necessary to enlarge upon their already spacious quarters by erecting a magnificent college building. The edifice is to be situated on the corner of College avenue and Locust street. Active progress is now being made in excavating and preparing the foundation. The building will be 120x60 feet. It will consist of two stories, the first being 14 feet high and the second 32 feet high. The material used in the construction will be pressed brick with stone trimmings. The first floor will consist of six recitation rooms, each with an average seating capacity of one hundred pupils. These rooms will be utilized for the study of mathematics and sciences. The second floor will be used as an auditorium, with a seating capacity of 2,000. It is said the Auditorium will be the largest in Indiana, barring the Hall at Indianapolis. All the modern mechanical appliances are to be inaugurated, electricity and gas will be utilized for lighting purposes. The system of ventilation is complete in every detail. The estimated cost of the building will be forty thousand dollars. the citizens of Valparaiso may well feel proud of this ornament to their now beautiful city.
Sources:
Reading, A. H. 1905. The City of Homes, Schools and Churches: A Pictorial Story of Valparaiso, Its People and Its Environs. Valparaiso, Indiana: A. H. Reading. 82 p. [see p. 48]
The Tribune, Chesterton, Porter County, Indiana; June 26, 1891; Volume 8, Number 11, Page 1, Column 3. Column titled "From Our Neighbors. Newsy Notes From The County Round On The Movements of the People."
Copyright 2021. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Registration BFR7L
Make HILLMAN
Model AVENGER
Description TIGER
Date of Liability 01 02 1990
Date of First Registration 27 06 1973
Year of Manufacture 1973
Cylinder Capacity (cc) 1600CC
CO2 Emissions Not Available
Fuel Type Petrol
Export Marker Not Applicable
Vehicle Status Unlicensed
Vehicle Colour YELLOW
Copyright © John G. Lidstone, all rights reserved.
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Billings Bakery, East Main Street
Date: 1911
Source Type: Photograph
Publisher, Printer, Photographer: Joseph Decker
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The following text was published with this image....
When S. C. Billings started in business in 1891 he occupied a small rear bakery shop at 16 North Washington Street, with only ten feet of front window space. He soon outgrew these cramped quarters and leased the building at 18 North Washington Street. Six years later he bought as his permanent business home 22 North Washington Street. But during his business career Mr. Billings left out of account two things:-- His ability to draw trade and the steady growth of Valparaiso. So he was compelled three years ago to move again into much larger quarters at 13 East Main Street. He is one of Valparaiso's leading business men, and loyal to her best interests.
Source:
Decker, Joseph. 1911. Souvenir Book of Valparaiso, Indiana. Valparaiso, Indiana: Valparaiso Printing Company. Unpaginated.
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Geo. S. Haste.
Date: 1905
Source Type: Photograph
Publisher, Printer, Photographer: A. H. Reading
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: George S. Haste and his wife Emma resided at 109 East Jefferson Street in Valparaiso, Porter County, Indiana. This house no longer exists.
Sources:
Bumstead & Company. 1905. Bumstead's Valparaiso City and Porter County Business Directory, Including Rural Routes. Chicago, Illinois: Radtke Brothers. 421 p. [see p. 93]
Reading, A. H. 1905. The City of Homes, Schools and Churches: A Pictorial Story of Valparaiso, Its People and Its Environs. Valparaiso, Indiana: A. H. Reading. 82 p. [see p. 63]
Copyright 2021. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
100% Factory-Tested
Cords are 100% transmission tested to ensure compliance with applicable standards requirements
Lilienthal & Szold Department Store
Date: 1911
Source Type: Photograph
Publisher, Printer, Photographer: Joseph Decker
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: Text published with this image includes....
It is interesting to note what a tremendous factor is individual ambition and personal worth when it comes to catering to the public in a general business way. This firm -- Lilienthal & Szold -- was entirely unknown in this community a few short years ago, while to-day they rank as one of the prominent business establishments of the county. In fact, one of the largest, carrying an immense assortment of general merchandise, comprising foreign and domestic products in the many lines they carry and represent, from the smallest "notion" in the "every-day-needs" to the substantial stocks of dry goods, clothing, shoes, furnishings, carpets, rugs and ready-to-wear.
A brief summery of this accomplishment, all in a short period of time, reads much like one of the "fairy tails." Mr. Leo Lilienthal came to Valparaiso March 27, 1905, and bought the small notion stock owned by F. R. Gallagher at 53 West Main Street, and operated it as a 5 and 10-cent store until July of the same year, when he moved his small stock to the Fishburn Building at 17 East Main Street, enlarged it and increased the variety, and conducted it as a "racket store" for a period of two and one-half years, until February, 1908, when he again changed locations and went into the large storeroom at 3 East Main Street. Here he begun the systematic increase of his stock until on the first of October, 1909, he was joined by Mr. Louis Szold, who entered into full partnership. With greater resources and improved facilities, they rented and remodeled the upper floors of the building and increased their stocks largely. When the corner room adjoining their store became vacant they at once secured a long term lease thereon, remodeled it and stocked it with men's "ready-to-wear," thereby catering in an up-to-date manner to the wants of men and boys. They now occupy a floor space of more than 7500 square feet.
This summary proves the fallacy of the argument that "opportunities are not as good as they used to be," and sustains the principle that "Honesty, affability and square dealing is the key to success. at all times and in all places.
Source:
Decker, Joseph. 1911. Souvenir Book of Valparaiso, Indiana. Valparaiso, Indiana: Valparaiso Printing Company. Unpaginated.
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Green Party Logo, applicable from Friday 11 April 2008. For other formats/versions contact greenparty.press.office@gmail.com.
GREENWICH
HALL
COMMERCIAL
HALL
Date: 1905
Source Type: Photograph
Publisher, Printer, Photographer: A. H. Reading
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: Commercial Hall was constructed in 1880 by Henry Baker Brown and Chauncey Watson Boucher. The structure had a footprint of 95-feet by 95-feet. The first two floors were initially used as housing for students at the Northern Indiana Normal School and Business Institute, while the third floor was used for the commercial department of the institute.
Sources:
Porter County Vidette, Valparaiso, Porter County, Indiana; January 29, 1880; Volume 24, Number 5, Page 3, Column 4. Column titled "Local."
Reading, A. H. 1905. The City of Homes, Schools and Churches: A Pictorial Story of Valparaiso, Its People and Its Environs. Valparaiso, Indiana: A. H. Reading. 82 p. [see p. 56]
Copyright 2021. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Roman Catholic Church
Date: 1924
Source Type: Photograph
Publisher, Printer, Photographer: Dodge's Telegraph, Railway Accounting and Radio (Wireless) Institute
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: Roman Catholics in the area around Valparaiso in Porter County, Indiana, would begin to regularly meet in the early 1850s on the farm of Patrick T. Clifford located immediately west of the intersection of present day Harrison Boulevard and Froberg Road. Mass was conducted outdoors and the congregation would establish a cemetery on the property. A new Catholic cemetery would later be established southeast of Valparaiso and most burials at the Clifford farm were removed to this new burial ground. Burials remaining at the Clifford property were eventually obliterated due to agricultural activities.
The first church to be built by Valparaiso's Roman Catholic congregation was completed in 1858. The structure was situated on the southwest corner of the intersection of present day Chicago Street and Weston Street, described as Lot 1, Block 3 of the West Valparaiso Addition. Today [2021], a residential structure is located on this site with a street address of 107 Weston Street.
This wood frame church had a footprint of 110 feet by 50 feet and cost approximately $2,000 to erect. Father John Force, who served as parish pastor from July 1858 to December 1858 was largely responsible for guiding the completion of the church's construction. It has been noted in some sources that the interior of the church was very simple and plain with wooden planks used for the floor boards.
It is interesting to note that when the West Valparaiso Addition was added within the boundaries of the City of Valparaiso, Weston Street was named 5th Street. When the church was constructed, the street's name was changed to St. Paul Street. It appears that at some point in time after 1893 the street was once again renamed to Weston Street.
Between 1858 and 1863, the parish was accumulating a substantial debt burden on their church property and the parish was forced to close the church due to a court injunction sought by creditors. As a result, the congregation met in the second story of Hughart's Hall in Valparaiso, which was rented for $2 per Sunday. Hughart's Hall was located in the upper floor of the Empire Block building (Block 18 on Main Street across north of the court house square). Hughart's Hall later became Wilson's Hardware.
On Easter Sunday 1863, local pastor Father Michael O'Reilly was able to secure the wood frame church property, which was at this time in dire need of repair. After putting the structure back into good working order, the congregation converted the wood frame church into the newly founded St. Paul Catholic School.
Later in 1863, Father O'Reilly purchased one acre of land at the intersection of present day Chicago Street and Campbell Street for $1,800. The congregation would raise funds for several years in order to build the pastoral residence on this property in 1870 at a cost of about $6,000. This residence was continually used by the church's clergy until June 2018 (148 years).
Near the pastoral home, a new brick school called St. Paul's Academy was completed in 1872 at a cost of $9,000 and opened in September of that year for use. The Sisters of Providence at St. Mary of the Woods in Terre Haute, Vigo County, Indiana, provided the teachers for the school.
A second St. Paul Catholic Church, seen above, was constructed of brick on the northwest corner of the intersection of Chicago Street and Campbell Street, the cornerstone being laid on Sunday, October 7, 1883, by Bishop Dwenger of Fort Wayne. More than 8,000 people witnessed the laying of the church cornerstone.
The foundation stones used in the construction of the church were obtained from the foundation of the 1853 Porter County court house, which was torn down in the spring of 1883 and replaced with a much larger building.
This gothic-style structure, built under the direction of Father O'Reilly, was constructed at a cost of more than $65,000 and was one of the largest churches in Indiana upon its completion. Father O'Reilly passed away less than year after the church was completed. O'Reilly's funeral was one of the largest ever witnessed in Porter County as he was a very active and beloved member in the Valparaiso community.
The brick church, designed by Chicago architect Gregory Vigeant, was 153 in length, with a transept of 95 feet, a 65 foot nave, and a spire nearly 200 feet in height. Money was raised for church construction by parishioners donating 25 cents a week to a building fund. This brick church was dedicated for use on October 17, 1886.
After 80 years of use, the brick church was found to have several structural deficiencies that would be prohibitively expensive to repair. Thus, a third church was constructed on a 34 acre parcel along Harrison Boulevard, which was dedicated on Friday, October 27, 1967. In November 1967, demolition took place to remove the brick church.
Sources:
Porter County Vidette, Valparaiso, Porter County, Indiana; May 10, 1883; volume 27, Number 19, Page 5, Column 3.
The Tribune, Chesterton, Porter County, Indiana; May 14, 1885; Volume 2, Number 7, Page 1, Column 6.
Copyright 2006. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
W. H. Williams.
Date: 1905
Source Type: Photograph
Publisher, Printer, Photographer: A. H. Reading
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: W. H. Williams and his wife Lilly resided at 607 Jefferson Street in Valparaiso, Porter County, Indiana. This house still stands in 2021.
Sources:
Bumstead & Company. 1905. Bumstead's Valparaiso City and Porter County Business Directory, Including Rural Routes. Chicago, Illinois: Radtke Brothers. 421 p. [see p. 157]
Reading, A. H. 1905. The City of Homes, Schools and Churches: A Pictorial Story of Valparaiso, Its People and Its Environs. Valparaiso, Indiana: A. H. Reading. 82 p. [see p. 63]
Copyright 2021. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Pioneer Apartment Building
Erected by Perry L. Sisson on the old Marks corner in 1908
Date: 1911
Source Type: Photograph
Publisher, Printer, Photographer: Joseph Decker
Postmark: Not applicable
Collection: Steven R. Shook
Remark: Constructed with 34 units, the Pioneer Apartments were built by Perry L. Sisson in 1908 on the northeast corner of Chicago Street and Franklin Street. The structure was built using cement block that was prepared on site and not yet completely dry when laid as walls. As the "green block" would dry, it would better adhere to surrounding blocks and create a strong bond. The apartments boast of nine foot ceilings and oak trim and doors. Prior to the construction of the apartment building, the site was known as the Franklin Foundry and the Joe Marks Corner. Note that Perry L. Sisson served as mayor of Valparaiso from 1914-1922.
Source:
Decker, Joseph. 1911. Souvenir Book of Valparaiso, Indiana. Valparaiso, Indiana: Valparaiso Printing Company. Unpaginated.
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
FIREST ORE BOAT ENTERING GARY HARBOR
JULY 23, 1908
Date: 1956
Source Type: Playing Card
Publisher: Brown and Bigelow (#4)
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The following news item appeared in the July 9, 1908, issue of The Chesterton Tribune:
LOCAL NEWS OF THE WEEK
The date of the arrival of the steamer E. H. Gary, with the first cargo of iron ore to the port of Gary, is not yet definitely known, but it will probably be July 17 or 18. The revenue cutter Tuscorora and the Illinois naval reserve ship Dorothea have been secured to take part in the naval demonstration. The Gary Tribune says that before the end of the season of navigation on the lakes it is expected that about 1,000,000 tons of iron ore will be unloaded from the ships into the great ore bins at the mills. The steamer E. H. Gary, to which has been assigned the honor of opening the port, is 500 feet long and carries about 12,000 tons.
-----------
The following news item appeared in the July 16, 1908, issue of The Chesterton Tribune:
The date of the arrival of the first boat with a cargo of iron ore to enter the harbor of Gary has been fixed for July 23. The Gary Commercial club has arranged for an elaborate celebration of the event. At a meeting of this club called for the purpose of arranging plans for this celebration, Captain Norton made the following striking statement:
"In the organization of a steel plant there are three important events: The turning of the first spadeful of earth, the arrival of the first cargo or [sic; of] iron ore, and the lighting of the first fire. In the construction of the plant in Gary we have reached the second stage, the arrival of the first cargo of iron ore."
-----------
The following news item appeared in the July 23, 1908, issue of The Chesterton Tribune:
FIRST GARY ORE TODAY
BIG CELEBRATION WILL BE HELD AT THE NEW STEEL MANUFACTURING CITY.
Steamer E. H. Gary Will Bring In the First Cargo -- Government Vessels Will Convey the Ore Carrier -- Prominent Speakers.
The three great events in the construction and opening of a steel manufacturing plant are always the breaking of ground, arrival of the first ore, and the lighting of the furnace fires. Today Gary and hundreds of visitors are celebrating the arrival of the first ore for the big steel mills under way of construction at that place. Besides the ore arrival event, the celebration of the formal opening of the Gary harbor will also be observed. The arrival of the first cargo of ore will be the feature of the opening. The big steamer E. H. Gary will bring the first cargo. The steamer will go into South Chicago and there await the arrival of many guests of the occasion from Chicago. When all are aboard the steamer will then set sail for the new harbor of Gary under convoy of the United States warship Wolverine, the Illinois naval reserve ship Dorothea, the revenue cutter Tuscarora and the light house steamer Sumac. The Illinois naval reserve band will furnish music aboard the steamer Gary and luncheon will be furnished on the trip from South Chicago to Gary. The boat will arrive at 1 p. m.
The four convoying ships will form a semi-circle off the harbor and each will fire the national salute of 21 guns as the Gary steams into the harbor to her dock. The steamer will be welcomed by Superintendent Gleason and heads of departments. Addresses will then be made from the steamer bridge by the Hon. John W. Kern, democratic nominee for vice-president; Congressman James R. Mann of Illinois; Congressman E. D. Crumpacker of this district, and H. Coulby, president of the Pittsburgh Steamship company. Responses will be made by a representative of the Indiana Steel company.
At the conclusion of the addresses an exhibition will be given of the vessel unloaders and the great iron ore bridges swinging the ore a hundred feet in the air for a distance of some 600 feet to the furnaces.
Under the direction of guides detailed by Superintendent Gleason an inspection of the mills will then be made with the rendezvous in front of the foundry. Then a procession will form with the Illinois naval reserves and a company of 100 naval reserves at the head. Next will come Superintendent Gleason and the heads of the following departments at the mills. Following them will be the distinguished guests of the day. The members of the Gary Commercial club will follow. The line of march will be south on Broadway. the procession breaking up at the Gary hotel.
At 4 p. m. a reception will be held at the Gary hotel for the distinguished guests. Mr. Kern, Mr. Crumpacker and Mr. Mann will make short addresses at the conclusion of the reception from the balcony of the hotel. Music by the naval reserved band will be interspersed with the speeches.
Sources:
The Chesterton Tribune, Chesterton, Porter County, Indiana; July 9, 1908; Volume 25, Number 15, Page 5, Column 4. Column titled "Local News of the Week."
The Chesterton Tribune, Chesterton, Porter County, Indiana; July 16, 1908; Volume 25, Number 16, Page 4, Column 2.
The Chesterton Tribune, Chesterton, Porter County, Indiana; July 23, 1908; Volume 25, Number 17, Page 1, Column 5 and Page 2, Column 2. Column titled "First Gary Ore Today."
Copyright 2022. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Registration HAD444L
Make OPEL
Model MANTA
Description 1900
Date of Liability 01 01 1992
Date of First Registration 14 05 1973
Year of Manufacture Not Available
Cylinder Capacity (cc) 1897CC
CO2 Emissions Not Available
Fuel Type Petrol
Export Marker Not Applicable
Vehicle Status Unlicensed
Vehicle Colour BRONZE
Valparaiso Court House.
Date: 1906
Source Type: Photograph
Publisher, Printer, Photographer: Elmer E. Starr, Earl C. Dowdell
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The image here shows the third court house constructed in Porter County. This structure was completed in 1883 at a cost of $157,348, nearly 25 percent over the original bid cost of $125,909. The building's footprint measured 128 feet by 98 feet, and had a tower height of 168 feet. A fire at the court house occurred during near zero temperatures on December 27, 1934, and required the assistance of fire departments from Gary and LaPorte to help extinguish the blaze. Tragically, fireman Raymond Meinke died of injuries sustained when his fire truck skidded on an icy highway six miles from Valparaiso on its return trip to LaPorte from this fire. Considerable controversy resulted from this fire; several residents had stated that the county had been warned repeatedly about building safety issues, especially about alleged faulty wiring, long before the fire took place and that these warnings were continually ignored by the county commissioners. William Hutton, an architect from Hammond, Indiana, assisted the county in receiving $100,000 from insurance companies after the fire. In 1936, William Scholer, an architect from Lafayette, Indiana, was hired by the county to prepare two separate plans: one plan for the complete demolition and construction of a new court house, and the second plan for the remodeling of the fire-damaged structure. In the end, remodeling the damaged structure won out. The cost for reconstructing the fire-damaged structure was $172,000, which was completed in 1937 by the the local firm Foster Lumber Company.
Source:
Starr, Elmer E. 1906. Valparaiso Souvenir. Valparaiso, Indiana: Earl C. Dowdell. 16 p.
Copyright 2020. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
LAGOON AND PAVILION -- MARQUETTE PARK
Date: 1956
Source Type: Playing Card
Publisher: Brown and Bigelow (#4)
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The following new item appeared in the August 10, 1922, issue of The Chesterton Tribune:
GARY HAS BEAUTIFUL NEW PARK
Gary, Ind., August 8. -- Thousands of outdoor lovers now are enjoying Gary's lake front park. With its long stretch of sandy beach, boardwalk and splendid bathing pavilion, it stands out as one of the most attractive parks to be found anywhere, designers and builders of civic beauty assert.
The park represents an expenditure by the city of Gary of more than $600,000. The pavilion, costing $200,000, is equipped with modern apparatus, including showers, lockers, roof garden and other features.
The big structure, which is built of white thydrastone, resembling marble, is between the proposed beach road and the lake shore. Its base is about fifteen feet above water level, the northern front of the building standing about 150 feet from water's edge.
The building fronts on Lake Shore drive, about 100 feet from the drive.
The width of the structure is 120 feet over all, with total length of 171 feet, a large central structure with two wings extending east and west.
The central part is two stories high, with a broad passageway from the front entrance to the lake front on the first floor and a spacious promenade on the second floor overlooking the lake from the north side of the building and the Lake Shore drive on the south side. The front of the pavilion is twenty-seven feet high.
The two wings contain lockers for men and women and showers. There are 1,700 lockers, 1,100 for men and boys, and 600 for women and girls. Eight hundred bathing suits have been bought by the park board and will be rented out at a nominal fee.
The bathing beach, fenced on each end by high wire fences, is two miles long. Eight lifeguards have been engaged to patrol the beach and three lifeguard "lookout" stations have been established near the water. The bathing attire and conduct of bathers will be under the supervision of the lifeguards. Bathers will be warned against going beyond the safety zone, which is roped off several hundred feet from the lifeguard "lookouts."
A winding cinder road leads from Miller, three miles from Gary, to the park and beach. This is to be replaced by a concrete road five miles long, which will encircle the park. Along this highway scores of electric standards are being built. The string of arc lights to extend throughout the park, making the park and beach rival Municipal pier of Chicago at night time
Including the beach front, the park covers approximately 215 acres. For 200 or 300 feet south of the bathhouse the sandy soil will be coated with black loam and grass will be planted. Elsewhere the natural beauty with its dunes and shrubbery will be preserved. More than two dozen teams are employed daily in hauling black loam to the park site. It is estimated that the cost of covering the sandy soil with black soil will be more than $15,000. The soil is shipping into Gary by the carloads from Illinois.
Source:
The Chesterton Tribune, Chesterton, Porter County, Indiana; August 10, 1922; Volume 39, Number 22, Page 8, Column 1. Column titled "Gary Has Beautiful New Park."
Copyright 2022. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
DIAMOND PHARMACY.
Date: 1898
Source Type: Photograph
Publisher, Printer, Photographer: Headlight Engraving Company
Postmark: Not applicable
Collection: Steven R. Shook
Remark: The following information concerning Diamond Pharmacy has been obtained from the source of this image.
Diamond Drug Store
This popular pharmacy, located on College Hill, is owned by E. A. Allen. The store was established about five years ago [circa 1893] and has been under the management of O. A. Donnelly for about a year. He is a graduate of the Philadelphia School of Pharmacy, class of 1884, and is a thoroughly competent pharmacist.
Source:
Grand Trunk Railway. 1898. Headlight: Sights and Scenes Along the Grand Trunk Railway: Valparaiso, Ind.. Volume 3, Number, 6, Page 26.
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
J. S. Louderback.
Date: 1905
Source Type: Photograph
Publisher, Printer, Photographer: A. H. Reading
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: J. S. Louderback and his wife Sarah resided at 55 Jefferson Street in Valparaiso, Porter County, Indiana. This house no longer exists.
Sources:
Bumstead & Company. 1905. Bumstead's Valparaiso City and Porter County Business Directory, Including Rural Routes. Chicago, Illinois: Radtke Brothers. 421 p. [see p. ]
Reading, A. H. 1905. The City of Homes, Schools and Churches: A Pictorial Story of Valparaiso, Its People and Its Environs. Valparaiso, Indiana: A. H. Reading. 82 p. [see p. 63]
Copyright 2021. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
Residence of Vice-President O. P. Kinsey
Date: 1910
Source Type: Photograph
Publisher, Printer, Photographer: Elmer E. Starr
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: Oliver P. Kinsey and his wife Sarah resided at 252 South Greenwich Street in Valparaiso, Porter County, Indiana. this house still stands in 2021.
Oliver P. Kinsey served as Vice-President of The Northern Indiana Normal School and Business Institute, 1873-1900; Valparaiso College, 1900-1907; Valparaiso University, 1907-1917; and Acting President of Valparaiso University, 1912-1919.
Sources:
Bumstead & Company. 1905. Bumstead's Valparaiso City and Porter County Business Directory, Including Rural Routes. Chicago, Illinois: Radtke Brothers. 421 p. [see p. 103]
Reading, A. H. 1905. The City of Homes, Schools and Churches: A Pictorial Story of Valparaiso, Its People and Its Environs. Valparaiso, Indiana: A. H. Reading. 82 p. [see p. 78]
Starr, Elmer E. 1910. Souvenir 1910 Valparaiso University. Valparaiso, Indiana: Elmer E. Starr. 22 p.
Copyright 2020. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
White Cross Gold Mining Company, Limited
Prospectus
Page 4
Date: 1902
Source Type: Pamphlet
Publisher, Printer, Photographer: Euclid Printing Company
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: The articles of incorporation for the the White Cross Gold Mining Company, Limited, were subscribed to on June 2, 1900, and recorded in Latah County, Idaho, on June 5, 1900, by Oscar Larson, Latah County Recorder.
Six individuals were listed in the articles of incorporation, each owning 100,000 shares of the company valued at $10,000 (10¢ per share). These individuals were Dr. Frank Dunlap, Daniel S. Elder, R. L. Johnson, Hans J. Lestoe, J. W. Sherer, and F. C. Smith, all of whom were listed as residing in Moscow, Latah County, Idaho.
The White Cross Gold Mine is located in the SW¼ of SW¼ of SW¼ of Section 13, Township 40 North, Range 5 West of Boise Meridian.
While the mine did produce gold ore, the volume was insufficient to cover mining costs and the company ceased operation.
The Gray Eagle Gold Mining Company was located near the White Cross Mine but was not as fully developed as the White Cross Mine.
Sources:
The Spokesman-Review, Spokane, Spokane County, Washington; March 31, 1901; Volume 18, Number 281, Page 7, Column 2. Column titled "White Cross Will Output. Moscow Property Making Test Shipment -- Election of Officers."
The Spokesman-Review, Spokane, Spokane County, Washington; April 15, 1908; Volume 25, Number 305, Page 8, Column 1. Column titled "Mining Claims Contested. Woman's Stone and Timber Property Cause of Trouble. Mrs. Mary Hannah Disputes With White Cross and Gray Eagle Properties."
White Cross Gold Mining Company, Ltd. 1902. The White Cross Gold Mining Company, Ltd. Prospectus. Cleveland, Ohio: Euclid Printing Company. 20 p.
Copyright 2022. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
DODGE'S
INSTITUTE OF TELEGRAPHY
P. FT. W. & C. STATION. COLLEGE AVENUE, LOOKING SOUTH.
Date: 1894
Source Type: Photograph
Publisher, Printer, Photographer: Robert R. Beatty, Photo Tint Engraving Company
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: Dodge's Institute of Telegraphy was initially established as a department of the Northern Indiana Normal School in 1874 by G. A. Dodge. At that time, Dodge was employed as telegrapher of the Pittsburg, Fort Wayne & Chicago Railroad and saw opportunity in better educating future telegraphers.
Reorganized by Dodge and F. R. Lunbeck in 1891, the school flourished and became the largest telegraph and railway instruction institution in the United States. As radio entered the scene, training in "wireless" communication was added to the curriculum of the institute. Dr. J. B. Hershman purchased the Dodge Institute in 1939 and moved the campus to the site formerly occupied by Pitkin-Brooks and L. E. Myers companies at Center Street and West Lincolnway. Following World War II, the Dodge Institute was renamed the Valparaiso Technical Institute. Valparaiso Technical Institute went defunct in April of 1991, ending 117 years of operation.
The Pittsburgh, Fort Wayne & Chicago Railway station was located at 453 West Lincolnway and was torn down after a fire destroyed much of the structure. The Franklin Hotel can be seen to the right of the station.
This photographic image was included in a souvenir photograph book published by Robert R. Beatty in 1894. Beatty was the proprietor of a photography studio in Valparaiso that was first located at 65 College Avenue and later at 20 South Locust Street. The Valparaiso studio was in operation from the 1880s to about 1902 when he sold his business to Henry A. W. Brown and became a student at the Northern Illinois College of Ophthalmology and Otology.
Source:
Beatty, Robert R. 1894. Souvenir Valparaiso, Ind. Chicago, Illinois: Photo Tint Engraving Company. 37 p.
Copyright 2023. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
The Inca Trail is a magnificent, well preserved Inca Trail route which connects Machu Picchu with what once were other regions of the Inca Empire, and today it is one of the world’s most popular treks. This four-day walk goes from the highlands of 4,200mts and down through the cloud forests to finally arrive at Machu Picchu - 2,380mts.
DAY 01. - Between 06:00 and 06:30 we pick you up at your hotel in our private bus. Ensure you have your original passport and ISIC student card (if applicable – for a discount on entree fee to Machu Picchu).
The journey by bus to km 82 (the starting point for the Inca Trail) takes approximately 3 hours. Once we get there and are all ready to go, this first day will have us walking mostly through the valley. It starts at 2380m with a small climb to a plateau overlooking the Incan site of Llactapata and rewards you with superb views of Mount Veronica. Walking times are always approximate depending on weather conditions, group ability and other factors, but generally you will walk about 2-3 hours before lunch. Then after lunch we walk on just past the village of Wayllabamba to reach our first campsite at 3000m.
Approx 14km, 6 hours walking this day at Inca Trail.
DAY 02. - Day 2 is the most difficult day as you Inca Trail walk from about 3000m to 4200m — the highest pass of the trek (known as Dead Woman’s Pass – but don’t be discouraged!). You can walk at your own pace and stop to get your breath whenever you like. You’ll find your energy returns once you continue down to the valley of Pacaymayo, where we camp at 3600m.
You can hire a porter from the village of Wayllabamba to carry your pack to the top of this pass for approximately 70 soles. If you wish to do so you must organize and pay this money directly to the person who carries your items, and please check your belongings upon receiving them at the end of this service as these people are not Sap Adventures staff.
This is the coldest night at Inca Trail; between +2/+4 degrees Celsius (in December) and -3/-5 degrees Celsius (in June). Approx 12km, 7 hours walking this day at Inca Trail.
DAY 03.- Day 3 is exceptionally beautiful because of the ruins you will witness and the incredible stone Inca Trail you walk one, and also because there is a lot more downhill than uphill! However, there are about 2000 stairs descending from the ruins of Phuyupatamarca to those of Wiñaywayna, so take care with your knees. If you have had knee or ankle injuries an extra porter is recommended so that you are not carrying extra weight and overstressing your joints. There is a guided tour of all the ruins on the way. Camping is usually at Wiñaywayna 2700 mtrs.
Take extra care of your personal belongings at this campsite as all the tours campsites are nearby. As usual, always keep your daypack containing your valuables with you. The only hot shower on the Inca Trail is on this third night at Wiñaywayna. There is a hostel near the campsite with an 8min hot shower for 5 soles, and a bar and restaurant where you can purchase bottled water.
Approx 16km, 6 hours walking this day on Inca Trail.
DAY 04.- We get up extremely early to arrive at the magical Intipunku "The Gate of the Sun" as the first rays begin illuminating the lost city of Machu Picchu down bellow. A further 20 min walk down from here takes us to the famous view from the terraces at the end of the trail. It is a good time to take pictures before the 10:30 crowds arrive. Your tour of Machu Picchu should last about 2 hours and finish between 10:30 and 11:00am. Then you have free time to climb Huayna Picchu if you wish (This is the famous peak in the background of most images of Machu Picchu. The trek is about 90 minutes). A maximum of 400 hikers can climb this mountain per day so if you are determined then start immediately after your tour! Or, of course, you may simply just collapse under a tree and quietly reflect in amazement at the mystery, the architectural achievement and beauty of Machu Picchu.
From Machu Picchu, it is a pleasant walk through sub-tropical jungle down to Aguas Calientes (about 45 mins), but if you are weary you may also take a bus – the $7 bus ticket is included and your guide will give you the ticket.
Once in Aguas Calientes you can have a hot shower, and then store your backpack while you go to have lunch, visit the hot springs or shop around the village.
If you are not extending your stay for one night in Aguas Calientes*, you will leave around 6pm to return to Cusco by train or by a combination of train & bus. Please note that during the high season there are a number of different departure times for the trains that run only to Ollantaytambo, from where buses run onwards till Cusco. The type of return journey depends simply on availability. You will arrive back in Cusco around 9 - 9.30pm.
Approx 7km, 2 hours walking this day on Inca Trail.
Rail and Tie Yard at Woodville, Air Line Railroad
Liberty Township, Porter County, Indiana
Date: March 14, 1911
Source Type: Photograph
Publisher, Printer, Photographer: Air Line News
Postmark: Not Applicable
Collection: Steven R. Shook
Remark: This rail and tie yard was at Woodville supplied material for the construction of the Valparaiso & Northern Railway between Valparaiso and Goodrum, a link in the Air Line Railroad. The Air Line Railroad was incorporated in April 1906 with the vision of constructing a rail line from New York to Chicago along a 742 mile route, which was considerably shorter than any existing routes at the time. A section between LaPorte and Gary was completed, but the full route to New York was never constructed due to financial issues. The Goodrum station was located at the intersection of the interurban feeder routes arriving from Valparaiso and Chesterton, thereby feeding Gary and LaPorte with passengers from northern and southern portions of Porter County.
------
The following news item appears in the November 24, 1910, issue of The Chesterton Tribune:
Local, Personal, Social
Several hundred tons of steel rails for the Air Line and the Valparaiso & Northern railways have been received at Woodville and will be laid at once. There are enough rails in the shipment to complete the road from Laporte into Chesterton. As all the copper and other material for the road has been ordered, it looks as if Laporte and Chesterton people soon would be able to exchange visits by trolley.
Source:
The Chesterton Tribune, Chesterton, Porter County, Indiana; November 24, 1910; Volume 27, Number 35, Page 5, Column 4. Column titled "Local, Personal, Social."
Copyright 2009. Some rights reserved. The associated text may not be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of Steven R. Shook.
The Inca Trail is a magnificent, well preserved Inca Trail route which connects Machu Picchu with what once were other regions of the Inca Empire, and today it is one of the world’s most popular treks. This four-day walk goes from the highlands of 4,200mts and down through the cloud forests to finally arrive at Machu Picchu - 2,380mts.
DAY 01. - Between 06:00 and 06:30 we pick you up at your hotel in our private bus. Ensure you have your original passport and ISIC student card (if applicable – for a discount on entree fee to Machu Picchu).
The journey by bus to km 82 (the starting point for the Inca Trail) takes approximately 3 hours. Once we get there and are all ready to go, this first day will have us walking mostly through the valley. It starts at 2380m with a small climb to a plateau overlooking the Incan site of Llactapata and rewards you with superb views of Mount Veronica. Walking times are always approximate depending on weather conditions, group ability and other factors, but generally you will walk about 2-3 hours before lunch. Then after lunch we walk on just past the village of Wayllabamba to reach our first campsite at 3000m.
Approx 14km, 6 hours walking this day at Inca Trail.
DAY 02. - Day 2 is the most difficult day as you Inca Trail walk from about 3000m to 4200m — the highest pass of the trek (known as Dead Woman’s Pass – but don’t be discouraged!). You can walk at your own pace and stop to get your breath whenever you like. You’ll find your energy returns once you continue down to the valley of Pacaymayo, where we camp at 3600m.
You can hire a porter from the village of Wayllabamba to carry your pack to the top of this pass for approximately 70 soles. If you wish to do so you must organize and pay this money directly to the person who carries your items, and please check your belongings upon receiving them at the end of this service as these people are not Sap Adventures staff.
This is the coldest night at Inca Trail; between +2/+4 degrees Celsius (in December) and -3/-5 degrees Celsius (in June). Approx 12km, 7 hours walking this day at Inca Trail.
DAY 03.- Day 3 is exceptionally beautiful because of the ruins you will witness and the incredible stone Inca Trail you walk one, and also because there is a lot more downhill than uphill! However, there are about 2000 stairs descending from the ruins of Phuyupatamarca to those of Wiñaywayna, so take care with your knees. If you have had knee or ankle injuries an extra porter is recommended so that you are not carrying extra weight and overstressing your joints. There is a guided tour of all the ruins on the way. Camping is usually at Wiñaywayna 2700 mtrs.
Take extra care of your personal belongings at this campsite as all the tours campsites are nearby. As usual, always keep your daypack containing your valuables with you. The only hot shower on the Inca Trail is on this third night at Wiñaywayna. There is a hostel near the campsite with an 8min hot shower for 5 soles, and a bar and restaurant where you can purchase bottled water.
Approx 16km, 6 hours walking this day on Inca Trail.
DAY 04.- We get up extremely early to arrive at the magical Intipunku "The Gate of the Sun" as the first rays begin illuminating the lost city of Machu Picchu down bellow. A further 20 min walk down from here takes us to the famous view from the terraces at the end of the trail. It is a good time to take pictures before the 10:30 crowds arrive. Your tour of Machu Picchu should last about 2 hours and finish between 10:30 and 11:00am. Then you have free time to climb Huayna Picchu if you wish (This is the famous peak in the background of most images of Machu Picchu. The trek is about 90 minutes). A maximum of 400 hikers can climb this mountain per day so if you are determined then start immediately after your tour! Or, of course, you may simply just collapse under a tree and quietly reflect in amazement at the mystery, the architectural achievement and beauty of Machu Picchu.
From Machu Picchu, it is a pleasant walk through sub-tropical jungle down to Aguas Calientes (about 45 mins), but if you are weary you may also take a bus – the $7 bus ticket is included and your guide will give you the ticket.
Once in Aguas Calientes you can have a hot shower, and then store your backpack while you go to have lunch, visit the hot springs or shop around the village.
If you are not extending your stay for one night in Aguas Calientes*, you will leave around 6pm to return to Cusco by train or by a combination of train & bus. Please note that during the high season there are a number of different departure times for the trains that run only to Ollantaytambo, from where buses run onwards till Cusco. The type of return journey depends simply on availability. You will arrive back in Cusco around 9 - 9.30pm.
Approx 7km, 2 hours walking this day on Inca Trail.
Photographed at Destination Star Trek Europe (NEC Birmingham) 2016.
Please respect the people, (where applicable), in the photo
Registration 932EOW
Make MORRIS
Model OXFORD
Description TRAVELLER
Date of Liability 01 10 2010
Date of First Registration 03 10 1963
Year of Manufacture 1959
Cylinder Capacity (cc) 1489CC
CO2 Emissions Not Available
Fuel Type Petrol
Export Marker Not Applicable
Vehicle Status Licence Due to Expire
Vehicle Colour GREY