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.... Liquid water runs down canyons and crater walls over the summer months on Mars, according to researchers who say the discovery raises the chances of being home to some form of life....
O antigo Laboratório Chimico da Universidade de Coimbra, datado da Reforma Pombalina e concluído em 1775, ressurge após uma recente remodelação. Agora abriga a primeira etapa do Museu da Ciência da Universidade de Coimbra, mantendo sua estrutura original, incluindo o anfiteatro escolar. Reinaugurado em 2006, este edifício histórico foi restaurado pelos arquitetos João Mendes Ribeiro, Désirée Pedro e Carlos Antunes.
I visited this meteorite impact crater on the way back home from the trip to the Petrified Forrest. It was very windy that day, and keeping a hat on my head was almost impossible.
I must say that the crater made a huge impression on me - I never thought it was so vast.
A truly remarkable, unique place…
Thanks a lot for your views, comments and favs :-)
My favorite part of our Florida trip... Kennedy Space Center NASA!
This may look like a funny robot face with green eyes and huge smile!
But this is one of the Saturn V (with five F-1 engines ) rockets of the Apollo Program
that succeeded in landing human on the moon and bringing them back to earth safely.
On July 20, 1969, Apollo 11 landed the first men on the moon,
Neil Armstrong and Buzz Aldrin.
(I lost my notes and can't identify which Apollo this is... 8, 10, 11or 13?)
Camera: Canon EOS 50D
Manual
Exposure: 0.025 sec (1/40)
Aperture: f/4.5
Focal Length: 17 mm
ISO Speed: 1000
Now abandoned, the bombastic and literally brazen relief for the technical college, dedicated in 1976, frames a gilded central figure of Ikaros—a curious symbol often used in Soviet aviation and space exploration. Intact but for the hammer and sickle once framed by the wings.
The northern lights, also known as aurora borealis, are a natural phenomenon that adorns the night sky above the polar regions. It occurs when charged particles from the sun interact with the Earth's magnetic field. As these particles enter the atmosphere and collide with gas molecules such as oxygen and nitrogen, they create a spectacular display of colors. The colors of the aurora can range from green to pink, purple, and sometimes even red. These hues depend on the type of gas particles involved in the collisions and the altitude at which these interactions occur in the atmosphere. For many indigenous peoples, like the Sami in Lapland, the northern lights are more than just a natural spectacle; they hold spiritual significance and are steeped in myths and legends. They are seen as messages from ancestors, signs of good fortune, or even as dances of the spirits of the north. Witnessing the northern lights is an unforgettable experience that draws countless travelers to the northern regions each year. The best time to see the aurora is from September to March, when nights are long and dark, and the chances of clear skies are higher. Prime locations to view the northern lights include Scandinavia, Iceland, Alaska, Canada, and parts of Russia.
At the Arktikum, a museum and science center in Rovaniemi, Finland, visitors can immerse themselves in a captivating video showcasing the phenomenon of the northern lights. This video offers a mesmerizing experience, depicting the enchanting night sky above the Arctic regions where colorful curtains of light dance and sway. Personally, I haven't had the opportunity to witness the northern lights in all their glory firsthand. However, through stories and visuals presented at places like the Arktikum, I can imagine how breathtaking and awe-inspiring it must be to witness this natural spectacle. The blend of scientific knowledge and cultural significance associated with such an experience makes it an extraordinary and unforgettable journey for every visitor.
Het noorderlicht, ook bekend als aurora borealis, is een natuurlijk fenomeen dat de nachtelijke hemel boven de poolstreken siert. Het wordt veroorzaakt door de interactie tussen geladen deeltjes van de zon en het magnetische veld van de aarde. Wanneer deze deeltjes de atmosfeer binnenkomen en botsen met gasmoleculen zoals zuurstof en stikstof, ontstaat er een prachtig schouwspel van kleuren. De kleuren van het noorderlicht variëren van groen tot roze, paars en soms zelfs rood. Deze kleuren hangen af van het soort gasdeeltjes dat betrokken is bij de botsingen en de hoogte waarop deze interacties plaatsvinden in de atmosfeer. Voor veel inheemse volkeren, zoals de Sami in Lapland, is het noorderlicht meer dan alleen een natuurverschijnsel; het is een spirituele ervaring en een bron van mythen en legenden. Het wordt beschouwd als een boodschap van de voorouders, een teken van goed geluk, of zelfs als een dans van de geesten van het noorden. Het zien van het noorderlicht is een onvergetelijke ervaring die jaarlijks vele reizigers naar de noordelijke regio's trekt. Het beste seizoen om het noorderlicht te zien is van september tot maart, wanneer de nachten lang en donker zijn en de kans op heldere hemel groter is. De beste locaties om het noorderlicht te bewonderen zijn onder andere Scandinavië, IJsland, Alaska, Canada en delen van Rusland. In het Arktikum, een museum en wetenschapscentrum in Rovaniemi, Finland, kunnen bezoekers genieten van een boeiende video over het noorderlicht die de wonderen van dit natuurlijke fenomeen laat zien. Persoonlijk heb ik nog niet de kans gehad om het noorderlicht in al zijn pracht en praal met eigen ogen te aanschouwen. Echter, door verhalen en beelden zoals die in het Arktikum gepresenteerd worden, kan ik me voorstellen hoe adembenemend en inspirerend het moet zijn om dit natuurverschijnsel te zien.
In a pose inspired by the 1897 painting of Charles R. Knight, Dryptosaurus was one of the more well-known dinosaurs at the end of the 19th Century; it is somewhat obscure today. Still it remains interesting to me in that it was found in New Jersey, my adopted home, where the first American dinosaurs were discovered.
Details of water cooled copper coils as part of the MOLLER Experiment is seen inside the SRF Test Lab at Jefferson Lab in Newport News, Va., on Wednesday, May 9, 2024. (Aileen Devlin | Jefferson Lab)
The Measurement of a Lepton-Lepton Electroweak Reaction (MOLLER) experiment proposes to measure the parity-violating asymmetry in electron-electron (Møller) scattering. The measurement will be carried out at Jefferson Laboratory's state-of-the-art accelerator by rapidly flipping the longitudinal polarization of electrons that have been accelerated to 11 GeV and observing the resulting fractional difference in the probability of these electrons scattering off atomic electrons in a liquid hydrogen target. This asymmetry is proportional to the weak charge of the electron, which in turn is a function of the electroweak mixing angle, a fundamental parameter of the electroweak theory. The accuracy of the proposed measurement allows for a low energy determination of the mixing angle with precision on par with the two best measurements at electron-positron colliders.
From the blurb on the dust jacket:
Jed Cochrane headed the first space flight beyond the Solar System because a frustrated psychotic on the Moon happened to be the son-in-law of one of Jed’s bosses. Jed was an advertising man, a solidograph producer, director of the “Dikkipatti” Hour (rated among the top ten shows on at least three continents). What little he knew about space travel he had learned while doing research for one of his shows. And Jed was cynical – cynical about space travel in general, and about himself in particular. In short, he was the last man anyone with a logical mind would have selected for Man’s first flight into the depths of interstellar space.
Yet Jed Cochrane, heading for the Moon on orders of one of his bosses’ secretaries, not because he wanted to but because he was afraid he’d lose his job if he didn’t, landed feet first in the midst of the biggest discovery of several centuries. Accompanied by his own secretary, a psychiatrist, a writer, and two “tame” scientists, Jed went to the Moon to do a public relations job – to develop appreciation for an apparently useless scientific discovery made by his boss’s son-in-law. Jed found an angle and set to work – and in short order discovered he had a tiger by the tail – a huge, potentially dangerous, possibly benevolent tiger.
But to Jed everything was simply a “production” – even Operation: Outer Space!
Murray Leinster has written a delightful, slightly zany, somewhat cynical, yet amazingly convincing story of the first interstellar flight. His characters are three dimensional; the situations in which they find themselves are unusual but logical; the resulting tale is one you’ll read and reread with utmost enjoyment.
Thrills, chills and chuckles – all are here in the best science fiction book Murray Leinster has ever written – a book which is bound to win acclaim as one of the best S-F books of the year.
Details of water cooled copper coils as part of the MOLLER Experiment is seen inside the SRF Test Lab at Jefferson Lab in Newport News, Va., on Wednesday, May 9, 2024. (Aileen Devlin | Jefferson Lab)
The Measurement of a Lepton-Lepton Electroweak Reaction (MOLLER) experiment proposes to measure the parity-violating asymmetry in electron-electron (Møller) scattering. The measurement will be carried out at Jefferson Laboratory's state-of-the-art accelerator by rapidly flipping the longitudinal polarization of electrons that have been accelerated to 11 GeV and observing the resulting fractional difference in the probability of these electrons scattering off atomic electrons in a liquid hydrogen target. This asymmetry is proportional to the weak charge of the electron, which in turn is a function of the electroweak mixing angle, a fundamental parameter of the electroweak theory. The accuracy of the proposed measurement allows for a low energy determination of the mixing angle with precision on par with the two best measurements at electron-positron colliders.
Now abandoned, the bombastic and literally brazen relief for the technical college, dedicated in 1976, frames a gilded central figure of Ikaros—a curious symbol often used in Soviet aviation and space exploration. Intact but for the hammer and sickle once framed by the wings.
Members of the Hampton University Proton Therapy Institute (HUPTI) and the Leo Cancer Center walk through the SRF Test Lab during a tour of Jefferson Lab on Thursday, Mar. 2, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Today, Hampton University Proton Therapy Institute - HUPTI announced a partnership with Leo Cancer Care to develop an upright proton arc therapy treatment technique for cancer.
The technique will allow patients to stand or sit upright and, combined with an additional CT system, may better target tumors in patients.
Jefferson Lab is proud to contribute to these efforts by applying its nuclear physics and technology expertise to help pave the way for improvements in patient care.
Review members take a tour of the SRF Test Lab at Jefferson Lab during the EIC OPA Review on Wednesday, Feb. 1, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Rebuilt quadrupole magnets are ready for shipment at Jefferson Lab in Newport News, Va. These rebuilt magnets will be shipped to Brookhaven National Lab to be a part of the Electron Storage Ring for the Electron-Ion Collider. Wednesday, Oct. 16, 2024.
(Aileen Devlin | Jefferson Lab)
These magnets came from Argonne National Laboratory, which shipped the 30-year-old Advanced Photon Source (APS) magnets to Brookhaven and Jefferson Lab, where they will be re-purposed for use as part of the Electron-Ion Collider (EIC), a state-of-the-art particle collider being led by those other two labs and that will be built at Brookhaven.
Artificial light shines along an eight-celled niobium cavity photographed at the Low Energy Recirculator Facility (LERF) at Jefferson Lab in Newport News, Va., on Wednesday, Aug. 21, 2024. (Aileen Devlin | Jefferson Lab)
This particulate cavity is created at Jefferson Lab out of a metal called Niobium.
Niobium, at room temperature, has electrical resistance and behaves just like copper. If, however, niobium is cooled to very low temperatures, it loses all electrical resistance and becomes what scientists call a superconductor. Since superconductors have no electrical resistance, electrical currents flowing through them do not lose any energy and do not produce any waste heat. If no heat is created, the cavities can not heat up and the accelerator does not need to shut down to allow them to cool. The use of superconductive niobium cavities allows the accelerator to provide a continuous beam of electrons to the experiments.
Details of T-mapping equipment used for testing niobium cavities temperatures is seen inside the Vertical Test Area (VTA) in Jefferson Lab’s SRF Test Lab in Newport News, Va., on Wednesday, May 9, 2024. (Aileen Devlin | Jefferson Lab)
Large dipole magnets are seen inside the North Linac tunnel during a tour on Wednesday, Feb. 1, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Unassembled cryomodules wait for further work inside the SRF Test Lab at Jefferson Lab in Newport News, Va., on Thursday, June 22, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Rebuilt quadrupole magnets are ready for shipment at Jefferson Lab in Newport News, Va. These rebuilt magnets will be shipped to Brookhaven National Lab to be a part of the Electron Storage Ring for the Electron-Ion Collider. Wednesday, Oct. 16, 2024.
(Aileen Devlin | Jefferson Lab)
These magnets came from Argonne National Laboratory, which shipped the 30-year-old Advanced Photon Source (APS) magnets to Brookhaven and Jefferson Lab, where they will be re-purposed for use as part of the Electron-Ion Collider (EIC), a state-of-the-art particle collider being led by those other two labs and that will be built at Brookhaven.
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. Before the tour, Jefferson Lab Deputy Director David Dean gives the visiting members an overview of the lab discussing research, facilities, and general knowldge at the Virginia Tech Newport News Center. (Photo by Aileen Devlin | Jefferson Lab)
Group shot of various Jefferson Lab employees on Thursday, November 2, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Components are placed within the braising furnace inside the Furnace Room at the SRF Test Lab at Jefferson Lab on Thursday, Dec. 1, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Summer Hall A/C Collaboration members pose for a group photo at Jefferson Lab in Newport News, Va., on Thursday, June 29, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Thomas Jefferson National Accelerator Facility (Jefferson Lab) provides scientists worldwide the lab’s unique particle accelerator, known as the Continuous Electron Beam Accelerator Facility (CEBAF), to probe the most basic building blocks of matter by conducting research at the frontiers of nuclear physics (NP) and related disciplines.
In addition, the lab capitalizes on its unique technologies and expertise to perform advanced computing and applied research with industry and university partners, and provides programs designed to help educate the next generation in science and technology. Thursday, December 1, 2022. (Photo by Aileen Devlin | Jefferson Lab)
University of Virginia Professor of Physics Gordon Cates presents during the Winter Hall A Collaboration meeting held at Jefferson Lab on Tuesday, January 26, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Winter Hall A Collaboration meeting session will cover presentations of the results of recent or near publications, updates on Physics analysis, theory seminars, and seminars oriented towards students' updates on the upcoming and future experiments.
Cosmic Highway group tour the Low Energy Recirculator Facility (LERF) of Jefferson Lab in Newport News, Va., on Friday, June 16, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Members of this group consist of local business and technology leaders who focus on innovation for the Virginia Peninsula.
Buds begin to bloom on an eastern redbud tree at the entrance of Jefferson Lab in Newport News, Va., on Thursday, March 15, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Cosmic Highway group tour the Low Energy Recirculator Facility (LERF) of Jefferson Lab in Newport News, Va., on Friday, June 16, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Members of this group consist of local business and technology leaders who focus on innovation for the Virginia Peninsula.
Components are placed within the braising furnace inside the Furnace Room at the SRF Test Lab at Jefferson Lab on Thursday, Dec. 1, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Group shot of various Jefferson Lab employees on Thursday, November 2, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Thomas Jefferson National Accelerator Facility (Jefferson Lab) provides scientists worldwide the lab’s unique particle accelerator, known as the Continuous Electron Beam Accelerator Facility (CEBAF), to probe the most basic building blocks of matter by conducting research at the frontiers of nuclear physics (NP) and related disciplines.
In addition, the lab capitalizes on its unique technologies and expertise to perform advanced computing and applied research with industry and university partners, and provides programs designed to help educate the next generation in science and technology. Thursday, December 1, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Attendees mingle and enjoy coffee and cake during the 30th anniversary of the CLAS Collaboration 30th workshop at Jefferson Lab in Newport News, Va., on Thursday, November 2, 2022. (Photo by Aileen Devlin | Jefferson Lab)
SRF Crymodule Assembly Tech Mike Murphy, left, and Design Engineer Naeem Huque, left, work inside a mobile clean room to install a LCLS-HE power coupler into a cyromodule at the SRF Test Lab at Jefferson Lab on Dec. 7, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Stored liquid nitrogen behind the Central Helium Liquefier building at Jefferson Lab on Monday, October, 18, 2022.
(Photo by Aileen Devlin | Jefferson Lab)
The recirculating electron accelerator seen inside Jefferson Lab’s Hall C located in Newport News, Va. on Monday, October, 18, 2022.
(Photo by Aileen Devlin | Jefferson Lab)
Detector & Imaging Staff Scientist Kondo Gnanvo, left, talks with members of the Hampton University Proton Therapy Institute (HUPTI) and Leo Cancer Care while taking a tour of the lab on Thursday, Mar. 2, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Jana Strasburg presents the annual Scientific Discovery, Technology Development, and Mission Impact Colloquium.
Terms of Use: Our images are freely and publicly available for use with the credit line, "Andrea Starr | Pacific Northwest National Laboratory"; Please use provided caption information for use in appropriate context.
From left to right: Accelerator Physicist Alex Bogacz, Old Dominion University Graduate Student Alex Coxe, and Staff Scientist II Ryan Bodenstein pose for a photograph inside the Department of Energy's Thomas Jefferson National Accelerator Facility SRF Test Lab on Thursday, Sept. 8, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Bogacz and his research team worked on a design that would allow the lab to double the maximum energy of the Continuous Electron Beam Accelerator Facility (CEBAF) to offer new experimental possibilities — from 12 GeV to around 24 GeV.
Virginia Governor Glenn Youngkin Chief of Staff Jeff Goettman, center, before a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility on Thursday, Sept. 8, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Network Group Manager Andy Kowalski works inside the Jefferson Lab Data Center on Thursday, Dec. 1, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Thomas Jefferson National Accelerator Facility (Jefferson Lab) provides scientists worldwide the lab’s unique particle accelerator, known as the Continuous Electron Beam Accelerator Facility (CEBAF), to probe the most basic building blocks of matter by conducting research at the frontiers of nuclear physics (NP) and related disciplines.
In addition, the lab capitalizes on its unique technologies and expertise to perform advanced computing and applied research with industry and university partners, and provides programs designed to help educate the next generation in science and technology.
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. Superconducting radiofrequency (SRF) Operations Manager Tony Reilly chats and answers questions with visitors during the tour. (Photo by Aileen Devlin | Jefferson Lab)
Cavity Processing Chemistry Technician Dimytri Duchenku, left, and SRF Chemistry Technician Alex Wildeson, right, work inside the Lapping and Barrel Polish room in the SRF Test Lab located at Jefferson Lab on Wednesday, November 16, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Group photo from the EPIC Collaboration meeting held at Jefferson Lab on Tuesday, Jan. 10, 2023. (Photo by Aileen Devlin | Jefferson Lab)
The second meeting of the EPIC Collaboration will take place January 9-11th at Jefferson Lab. The meeting will be held in a hybrid format to allow all members of the international collaboration to take part. The meeting is open to both current members of the EPIC collaboration as well as all interested parties.
This second meeting of the EPIC Collaboration comes at a time of major progress in the development of the technical design of the EPIC detector, the first major simulation campaign and deployment of the unified software stack, and the formation of the collaboration through a Collaboration Charter.
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Cosmic Highway group tour the Low Energy Recirculator Facility (LERF) of Jefferson Lab in Newport News, Va., on Friday, June 16, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Members of this group consist of local business and technology leaders who focus on innovation for the Virginia Peninsula.
Network Group Manager Andy Kowalski works inside the Jefferson Lab Data Center on Thursday, Dec. 1, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Thomas Jefferson National Accelerator Facility (Jefferson Lab) provides scientists worldwide the lab’s unique particle accelerator, known as the Continuous Electron Beam Accelerator Facility (CEBAF), to probe the most basic building blocks of matter by conducting research at the frontiers of nuclear physics (NP) and related disciplines.
In addition, the lab capitalizes on its unique technologies and expertise to perform advanced computing and applied research with industry and university partners, and provides programs designed to help educate the next generation in science and technology.