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Monday, April 16, 2012
Brainstorm Green, Laguna Niguel, CA, USA
7:00 PM
DINNER AND CONVERSATION: PLANET SIZE IDEAS FOR PLANET SIZE PROBLEMS
Harvard physicist and entrepreneur David Keith is focused on building tools that could help solve some of the world’s greatest challenges. He’s recently launched a company (backed by Bill Gates) with the goal of sucking CO2 out of the air. Keith sits down with Marc Gunther.
Speaker:
David Keith, Gordon McKay Professor of Applied Physics, School of Engineering and Applied Sciences and Professor of Public Policy, Kennedy School, Harvard University
Moderator:
Marc Gunther, Contributing Editor and Co-chair, Brainstorm GREEN, Fortune
Photograph by Stuart Isett/Fortune Brainstorm Green
When Aunt Bessie and cousin Hester found out they were both married to the same guy, a magician named Burford Hemlock, he disappeared. I wonder what happened to him. Here Bessie and Hester pose with one of the props from the magic act. Burford used this magic box to make his assistant disappear right before your eyes!
I blather on about this elsewhere.
i need one to solve sarcasm
i need one to solve crazy
i need one on parenting
i need one on self expression
i need one on human behavior
i need one .......
finally i said fuck it and took a rest b/c i realized i might not be able to carry or read that many books. i'm going back tomorrow.
Taken from Calstar in Sept. AP130 EDT w .75x reducer -F6.2 Canon 50d Hutech mod
40x5 min iso 800 ..Edges slightly cropped to remove stacking artifacts. 50 darks..no flats or bias. DSS CS3..
Solve Algebra Equations are the equations of the form algebraic variables with some numerical co-efficient. Algebra equation contains the terms like numbers, integers, fractions, roots, exponents, ratios, graphing etc. Pre algebra equation is the simple equation which can be solved easily without any complex calculations. Linear equation is an algebraic equation in which each term is either a constant or the product of a constant and with a single variable. It contains one or more variables. It occurs with great regularity in applied mathematics.
A clever trick keeps a bear from getting into a family’s …
Read More >>> viralaio.com/videos/bear-problem-solved
Viral Videos Clips Pictures Funny All In One #Viral #Trending #Video #Funny #ViralAIO
“When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong.”
digital collage; image courtesy New York Public Library digi archive. No info found on subject: "Marie Magnier". Likely a wealthy French society queen. Per my DBT therapy there are 4 ways to deal with a problem: 1. solve it 2. change thought 3. accept it 4. stay miserable.
I have been using solution 4 for many years. Time to shift gears. Background done with PSE. (I still am learning this amazing program)
Learn about simultaneous equation solver concept. A set of independent equations in two or more variables is called a simultaneous equation. To find the value(s) of the variables for which the set of equation holds is called solving the equation. There are different methods used to solve simultaneous equations. In this article, we will learn how to solve the simultaneous equations by Substitution and Elimination methods with examples
Babur Ozden, Founder and Chief Executive Officer, Maana, USA capture during the Session: "Solving the Productivity Puzzle" at the World Economic Forum - Annual Meeting of the New Champions in Dalian, People's Republic of China 2017. Copyright by World Economic Forum / Sikarin Fon Thanachaiary
solve equations Solving Equations is the process of finding the values of the variables or unknown quantities that are satisfied by the condition defined in the equation. An equation is described as the combination of the variables and the values, and these equations are solved by using three different ways: with the help of Algebra, by graphs, by using the concept of equivalence.
i photograghed this vehicle in the yard at Midland Red's garage in Shrewsbury at the time didn't know who trhe operator was, it was only later that i learn that it was orginally supplied to Vaggs Coaches as NAW554W and was always in this livery,later to receive the reg as seen WDS470W,this being a Volvo/Van Hool Alizee.
At the Solve memorial, intersection of Grand, Halsted, Milwaukee.
Contributions in SOLVE's name requested for the art department of Madison East High School.
Full detail of Solve's senseless death here
So hey -- here's a yesteryear mystery just waiting for a modern-day sleuth to solve. This mysterious concrete slab [tombstone?] with its hard to read, rather sinister inscription is located within the Trinity Alps Wilderness boundary -- located at a site called Russell Cabin.
Below is as much as I've been able to make out -- at least it's what "I think" the inscription says:
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Here Lies
An Unknown Trespasser
Shot 7 / 23 / 59
Rest In Peace
Stranger
--?-- You
--?-- Company
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So -- what does it mean? Was someone really shot and buried here? Is it just a hoax? Was the rather ominous message left as a warning -- a sort of "keep off" my gold mine kind of thing? [The slab is pre-federal wilderness days -- the Trinity Alps didn't become a federal wilderness until 1984.]
Frankly, I don't have answers to any of the questions. Never been able to find out. Did -- some years back -- ask Wayne F. Moss -- noted author of several books about the Trinity Alps -- asked if he knew anything about the slab at Russell Cabin -- and story behind it -- he said he didn't.
If anyone cares to check it out -- and Russell Cabin would make a moderate day-hike -- use the Hobo Gulch Trailhead -- follow the main North Fork trail to Keystone Flat (a short hike) -- wade or rock-hop Backbone Creek (depending on the season) -- then keep a lookout for a side trail which branches off sharply to the right -- it basically follows Backbone Creek. (Though you won't see the creek too often.) There's a "Russell Cabin" sign at the fork in the trail but it's easy to miss. Follow the trail -- it's a dead-end -- follow till the very end and you'll be at the Russell Cabin site. Won't have any difficulty recognizing the place -- the cabin's rock chimney is still standing -- some concrete foundations remain -- and of course -- the "tombstone"..... and while there, take time to explore the surrounding area ... it's strewn with mining remnants, relics from a colorful gold mining past. But a word of caution -- it's wild and very rugged terrain -- so -- if you go off-trail -- don't lose your bearings -- would be a very bad place to get lost.
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Grey Eagle - Hypersonic Bomber Mach 8 - 10, IO Aircraft www.ioaircraft.com
Length: 150'
Span: 71'
Engines: 4 U-TBCC (Unified Turbine Based Combined Cycle)
1 Air Breathing Aerospike
Fuel: Kero / Hydrogen
Payload: Up 36 2,000 LBS JDAM's, or 80,000 LBS
Range: 10,000nm + Aerial Refueling Capable
www.ioaircraft.com/hypersonic.php
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Unified Turbine Based Combined Cycle. Current technologies and what Lockheed is trying to force on the Dept of Defense, for that low speed Mach 5 plane DOD gave them $1 billion to build and would disintegrate above Mach 5, is TBCC. 2 separate propulsion systems in the same airframe, which requires TWICE the airframe space to use.
Unified Turbine Based Combined Cycle is 1 propulsion system cutting that airframe deficit in half, and also able to operate above Mach 10 up to Mach 15 in atmosphere, and a simple nozzle modification allows for outside atmosphere rocket mode, ie orbital capable.
Additionally, Reaction Engines maximum air breather mode is Mach 4.5, above that it will explode in flight from internal pressures are too high to operate. Thus, must switch to non air breather rocket mode to operate in atmosphere in hypersonic velocities. Which as a result, makes it not feasible for anything practical. It also takes an immense amount of fuel to function.
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Advanced Additive Manufacturing for Hypersonic Aircraft
Utilizing new methods of fabrication and construction, make it possible to use additive manufacturing, dramatically reducing the time and costs of producing hypersonic platforms from missiles, aircraft, and space capable craft. Instead of aircraft being produced in piece, then bolted together; small platforms can be produced as a single unit and large platforms can be produces in large section and mated without bolting. These techniques include using exotic materials and advanced assembly processes, with an end result of streamlining the production costs and time for hypersonic aircraft; reducing months of assembly to weeks. Overall, this process greatly reduced the cost for producing hypersonic platforms. Even to such an extent that a Hellfire missile costs apx $100,000 but by utilizing our technologies, replacing it with a Mach 8-10 hypersonic missile of our physics/engineering and that missile would cost roughly $75,000 each delivered.
Materials used for these manufacturing processes are not disclosed, but overall, provides a foundation for extremely high stresses and thermodynamics, ideal for hypersonic platforms. This specific methodology and materials applications is many decades ahead of all known programs. Even to the extend of normalized space flight and re-entry, without concern of thermodynamic failure.
*Note, most entities that are experimenting with additive manufacturing for hypersonic aircraft, this makes it mainstream and standardized processes, which also applies for mass production.
What would normally be measured in years and perhaps a decade to go from drawing board to test flights, is reduced to singular months and ready for production within a year maximum.
Unified Turbine Based Combined Cycle (U-TBCC)
To date, the closest that NASA and industry have achieved for turbine based aircraft to fly at hypersonic velocities is by mounting a turbine into an aircraft and sharing the inlet with a scramjet or rocket based motor. Reaction Engines Sabre is not able to achieve hypersonic velocities and can only transition into a non air breathing rocket for beyond Mach 4.5
However, utilizing Unified Turbine Based Combine Cycle also known as U-TBCC, the two separate platforms are able to share a common inlet and the dual mode ramjet/scramjet is contained within the engine itself, which allows for a much smaller airframe footprint, thus engingeers are able to then design much higher performance aerial platforms for hypersonic flight, including the ability for constructing true single stage to orbit aircraft by utilizing a modification/version that allows for transition to outside atmosphere propulsion without any other propulsion platforms within the aircraft. By transitioning and developing aircraft to use Unified Turbine Based Combined Cycle, this propulsion system opens up new options to replace that airframe deficit for increased fuel capacity and/or payload.
Enhanced Dynamic Cavitation
Dramatically Increasing the efficiency of fuel air mixture for combustion processes at hypersonic velocities within scramjet propulsion platforms. The aspects of these processes are non disclosable.
Dynamic Scramjet Ignition Processes
For optimal scramjet ignition, a process known as Self Start is sought after, but in many cases if the platform becomes out of attitude, the scramjet will ignite. We have already solved this problem which as a result, a scramjet propulsion system can ignite at lower velocities, high velocities, at optimal attitude or not optimal attitude. It doesn't matter, it will ignite anyways at the proper point for maximum thrust capabilities at hypersonic velocities.
Hydrogen vs Kerosene Fuel Sources
Kerosene is an easy fuel to work with, and most western nations developing scramjet platforms use Kerosene for that fact. However, while kerosene has better thermal properties then Hydrogen, Hydrogen is a far superior fuel source in scramjet propulsion flight, do it having a much higher efficiency capability. Because of this aspect, in conjunction with our developments, it allows for a MUCH increased fuel to air mixture, combustion, thrust; and ability for higher speeds; instead of very low hypersonic velocities in the Mach 5-6 range. Instead, Mach 8-10 range, while we have begun developing hypersonic capabilities to exceed 15 in atmosphere within less then 5 years.
Conforming High Pressure Tank Technology for CNG and H2.
As most know in hypersonics, Hydrogen is a superior fuel source, but due to the storage abilities, can only be stored in cylinders thus much less fuel supply. Not anymore, we developed conforming high pressure storage technology for use in aerospace, automotive sectors, maritime, etc; which means any overall shape required for 8,000+ PSI CNG or Hydrogen. For hypersonic platforms, this means the ability to store a much larger volume of hydrogen vs cylinders.
As an example, X-43 flown by Nasa which flew at Mach 9.97. The fuel source was Hydrogen, which is extremely more volatile and combustible then kerosene (JP-7), via a cylinder in the main body. If it had used our technology, that entire section of the airframe would had been an 8,000 PSI H2 tank, which would had yielded 5-6 times the capacity. While the X-43 flew 11 seconds under power at Mach 9.97, at 6 times the fuel capacity would had yielded apx 66 seconds of fuel under power at Mach 9.97. If it had flew slower, around Mach 6, same principles applied would had yielded apx 500 seconds of fuel supply under power (slower speeds required less energy to maintain).
Enhanced Fuel Mixture During Shock Train Interaction
Normally, fuel injection is conducted at the correct insertion point within the shock train for maximum burn/combustion. Our methodologies differ, since almost half the fuel injection is conducted PRE shock train within the isolator, so at the point of isolator injection the fuel enhances the combustion process, which then requires less fuel injection to reach the same level of thrust capabilities.
Improved Bow Shock Interaction
Smoother interaction at hypersonic velocities and mitigating heat/stresses for beyond Mach 6 thermodynamics, which extraordinarily improves Type 3, 4, and 5 shock interaction.
6,000+ Fahrenheit Thermal Resistance
To date, the maximum thermal resistance was tested at AFRL in the spring of 2018, which resulted in a 3,200F thermal resistance for a short duration. This technology, allows for normalized hypersonic thermal resistance of 3,000-3,500F sustained, and up to 6,500F resistance for short endurance, ie 90 seconds or less. 10-20 minute resistance estimate approximately 4,500F +/- 200F.
*** This technology advancement also applies to Aerospike rocket engines, in which it is common for Aerospike's to exceed 4,500-5,000F temperatures, which results in the melting of the reversed bell housing. That melting no longer ocurrs, providing for stable combustion to ocurr for the entire flight envelope
Scramjet Propulsion Side Wall Cooling
With old technologies, side wall cooling is required for hypersonic flight and scramjet propulsion systems, otherwise the isolator and combustion regions of a scramjet would melt, even using advanced ablatives and ceramics, due to their inability to cope with very high temperatures. Using technology we have developed for very high thermodynamics and high stresses, side wall cooling is no longer required, thus removing that variable from the design process and focusing on improved ignition processes and increasing net thrust values.
Lower Threshold for Hypersonic Ignition
Active and adaptive flight dynamics, resulting in the ability for scramjet ignition at a much lower velocity, ie within ramjet envelope, between Mach 2-4, and seamless transition from supersonic to hypersonic flight, ie supersonic ramjet (scramjet). This active and dynamic aspect, has a wide variety of parameters for many flight dynamics, velocities, and altitudes; which means platforms no longer need to be engineered for specific altitude ranges or preset velocities, but those parameters can then be selected during launch configuration and are able to adapt actively in flight.
Dramatically Improved Maneuvering Capabilities at Hypersonic Velocities
Hypersonic vehicles, like their less technologically advanced brethren, use large actuator and the developers hope those controls surfaces do not disintegrate in flight. In reality, it is like rolling the dice, they may or may not survive, hence another reason why the attempt to keep velocities to Mach 6 or below. We have shrunken down control actuators while almost doubling torque and response capabilities specifically for hypersonic dynamics and extreme stresses involved, which makes it possible for maximum input authority for Mach 10 and beyond.
Paradigm Shift in Control Surface Methodologies, Increasing Control Authority (Internal Mechanical Applications)
To date, most control surfaces for hypersonic missile platforms still use fins, similar to lower speed conventional missiles, and some using ducted fins. This is mostly due to lack of comprehension of hypersonic velocities in their own favor. Instead, the body itself incorporates those control surfaces, greatly enhancing the airframe strength, opening up more space for hardware and fuel capacity; while simultaneously enhancing the platforms maneuvering capabilities.
A scramjet missile can then fly like conventional missile platforms, and not straight and level at high altitudes, losing velocity on it's decent trajectory to target. Another added benefit to this aspect, is the ability to extend range greatly, so if anyone elses hypersonic missile platform were developed for 400 mile range, falling out of the sky due to lack of glide capabilities; our platforms can easily reach 600+ miles, with minimal glide deceleration.
cubic equation solveris one of the most basic element of mathematics in which, we switch from basic arithmetic to variables. Here instead of using numbers we use different variables to represent different parameters. Algebra has various subdivisions like polynomials, graphing, system of equations, logarithms, etc. Graphing functions is an area covered under algebra which is again a important element of math. Graphing is nothing but the pictorial view of the given function or equation, it may be a line, parabola, hyperbola, curve, circle, etc. The procedure for graphing cubic equations with examples is given in the following sections.
Steve Blank, a retired Silicon Valley serial entrepreneur and a lecturer at the business schools of Stanford University and the University of California, Berkeley, introduced then-Col. Peter Newell to his “Lean LaunchPad” methods: Identify the problem, validate it with end users and then test possible solutions. The two men realized that Newell had been doing essentially the same thing with the REF. When Newell retired from the Army and joined BMNT, he and Blank got to work refining the approach to solve U.S. military challenges with help from Silicon Valley. (Image by U.S. Army Acquisition Support Center (USAASC))
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*PROCEEDS FROM ALL SOLVE STICKERS, POSTERS & T-SHIRTS GO DIRECTLY TO THE SOLVE STICKER PROJECT
Free SOLVE screen printing available at HotBox Mobile Art Gallery this Saturday [Oct 13th]
*Bring your blank, bright colored [no black] t-shirt to Galerie F/ HotBox [Sat, Oct 13th] and we'll screen print SOLVE on it...While supplies last!
Galerie F
2381 N Milwaukee Ave
Atlantic Coast Line 4-8-4 Northern, Class R-1, Steam Locomotive # 1800, built by Baldwin 1938. ACL locomotive 1800 was the class leader among the 12 Class R-1 Steam Locomotives (# 1800-1811) purchased in 1938. These locomotive were heavy mainline steam power capable of hauling a 21 car heavyweight passenger trains at 80 mph. These locomotive when originally received had a counter balance problem that was eventually solved by removing lead from the drives and the top speed was increased to 90 mph when hauling fast heavy passenger trains. Eventually as the diesel electric locomotives took over passenger assignments, these big steam locomotives were assigned to freight service. Notice the large tender utilizing two pair of 8 wheel trucks. Photo courtesy of the Chester Holley Photo Collection.
The name of the photographer that took this photo is unknown.
Copyright Disclaimer under Section 107 of the Copyright Act of 1976, allowance is made for “fair use” for the purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.
Oh yeah! I was doing some spring cleaning today and I came upon my second generation (you can tell by the slightly different colors) Rubik's Cube. I never solved the thing. Yes, I thought about taking the stickers off, but that's cheating. Did you ever finish your Rubik's Cube?
This Swedish monitor was originally commissioned in 1875. It was armed with a single 24cm cannon located in a non-revolving turret. It is currently undergoing restoration, and is the only monitor-class warship still afloat.
The model shows the Sölve as she would have looked at construction. Photographed at Gothenburg Maritime Center, Sweden.
Honolulu Capitol District, O‘ahu.
Sky Gate, by Isamu Noguchi, painted steel sculpture, 1977.
Mystery solved!
Looking from a distance, this sculpture carves out a rectangular space in the sky. And gazing up from the center, the sky appears within a triangle.
So what shadow shape is cast when the sun is precisely overhead on May 26th, at 12:28pm? I was there to find out, and now you know!
I read this magazine article a few years ago and I've always wanted to witness a Lāhainā Noon at this sculpture.
Ok, next big question: what famous person might you see at this sculpture on a Lāhainā Noon? Stay tuned!
Le Bambole Mk. II Pinhole Camera. Kodak 160 Portra NC. Exposure: f/256 and 3 seconds.
Illustration taken from "Story time in the land of Nowhere" by Mary Kendal Lee.
Sampson Low, Marston & Co, London.
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