News tagged with cryogen
Cryogenic electron emission phenomenon has no known physics explanation
(PhysOrg.com) -- At very cold temperatures, in the absence of light, a photomultiplier will spontaneously emit single electrons. The phenomenon, which is called "cryogenic electron emission," was first observed ...
Mar 10, 2010 |
4.7 / 5 (38) |
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Breakthrough in hydrogen fuel cells: Chemists develop way to safely store, extract hydrogen
A team of USC scientists has developed a robust, efficient method of using hydrogen as a fuel source.
Aug 30, 2011 |
4.5 / 5 (29) |
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Physicists detect two candidate dark matter interactions, but say the data are not conclusive
(PhysOrg.com) -- Scientists have spent decades searching for the elusive material known as dark matter, which is believed to make up 25 percent of the universe. On Thursday, Dec. 17, a team of physicists including ...
Dec 18, 2009 |
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James Webb telescope completes mirror-coating milestone
(PhysOrg.com) -- NASA's James Webb Space Telescope has reached a major milestone in its development. The mirrors that will fly aboard the telescope have completed the coating process at Quantum Coating Inc. ...
Space & Earth / Space Exploration
Sep 13, 2011 |
5 / 5 (20) |
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Physicists move closer to efficient single-photon sources
A team of physicists in the United Kingdom has taken a giant step toward realizing efficient single-photon sources, which are expected to enable much-coveted completely secure optical communications, also known as "quantum ...
Mar 16, 2011 |
4.4 / 5 (5) |
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Exploring the secrets of dark matter
Even the biggest Star Trek fan would probably have trouble understanding the technical details of the research done by Queen's University Particle Astrophysics Professor Wolfgang Rau of Kingston, Canada.
Feb 18, 2010 |
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NASA's next generation space telescope marks key milestone
(PhysOrg.com) -- The first six of 18 segments that will form NASA's James Webb Space Telescope's primary mirror for space observations will begin final round-the-clock cryogenic testing this week. These tests ...
Space & Earth / Space Exploration
Apr 15, 2011 |
4.9 / 5 (9) |
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A Mine for Dark Matter
(PhysOrg.com) -- Deep in a mine 230 stories underground, physicists are trying to detect dark matter, the mysterious stuff that makes up nearly a quarter of the universe. Last December, tantalizing rumors ...
Jun 23, 2010 |
4.4 / 5 (8) |
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Exploring the standard model of physics without the high-energy collider
Scientists at the University of California, Berkeley, and Lawrence Berkeley National Laboratory in the US, have performed sophisticated laser measurements to detect the subtle effects of one of nature's most ...
Aug 10, 2009 |
4.6 / 5 (9) |
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NASA engineers testing Webb telescope's OSIM and BIA instruments
(Phys.org) -- Several critical items related to NASA's next-generation James Webb Space Telescope are being tested in the giant thermal vacuum test chamber at NASA's Goddard Space Flight Center, Greenbelt, ...
Space & Earth / Space Exploration
Apr 12, 2012 |
5 / 5 (4) |
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Powering wind energy with superconductivity
Energy prices and environmental concerns are driving the United States to rethink its energy mix and to develop domestic sources of clean, renewable energy.
Technology / Energy & Green Tech
Sep 21, 2011 |
4.7 / 5 (3) |
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James Webb Space Telescope first flight mirror completes cryogenic testing
(PhysOrg.com) -- The first mirror segment that will fly on the James Webb Space Telescope, built by Northrop Grumman Corporation, has completed its first series of cryogenic temperature tests in the X-ray ...
Space & Earth / Space Exploration
Apr 08, 2009 |
4.7 / 5 (6) |
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Spitzer Telescope Warms Up to New Career
The primary mission of NASA's Spitzer Space Telescope is about to end after more than five and a half years of probing the cosmos with its keen infrared eye. Within about a week of May 12, the telescope is ...
Space & Earth / Space Exploration
May 06, 2009 |
5 / 5 (6) |
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NASA Tests Engine Technology for Landing Astronauts on the Moon
(PhysOrg.com) -- A technology development engine that may help NASA safely return astronauts to the lunar surface has successfully completed its third round of testing. The goal of these tests is to reduce ...
Space & Earth / Space Exploration
Jan 14, 2009 |
4.3 / 5 (3) |
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Webb Telescope's MIRI flight instrument completes cryogenic testing in the UK
A pioneering camera and spectrometer that will fly aboard NASA's James Webb Space Telescope has completed cryogenic testing designed to mimic the harsh conditions it will experience in space. The Mid-Infrared ...
Space & Earth / Space Exploration
Aug 18, 2011 |
5 / 5 (1) |
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