News tagged with cryogen
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 |
4.5 / 5 (2) |
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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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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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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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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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First full set of Webb telescope flight mirrors begin final tests
The first six of 18 flight mirror segments for the next-generation premier space observatory, NASA's James Webb Space Telescope, are ready to begin final cryogenic tests in the X-ray and Cryogenic Facility at Marshall Space ...
Space & Earth / Space Exploration
Apr 12, 2011 |
5 / 5 (1) |
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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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NASA Glenn tests alternative green rocket engine
An extensive series of tests has been completed on a new rocket engine that will use a non-toxic propellant combination at NASA's Glenn Research Center. The reaction control engine that was tested provides 100 pounds of thrust ...
Space & Earth / Space Exploration
Aug 30, 2010 |
4.9 / 5 (8) |
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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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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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Turning up the heat: Finding out how well the Webb telescope's sunshield will perform
(PhysOrg.com) -- Keeping an infrared telescope at very cold operating temperatures isn't an option, it's an absolute necessity. For the James Webb Space Telescope to see the traces of infrared light generated ...
Space & Earth / Space Exploration
Mar 03, 2010 |
5 / 5 (2) |
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Webb Telescope's first primary mirror meets cold temperature specifications, sets program landmark
The James Webb Space Telescope reached a mission-readiness landmark today when its first primary mirror segment was cryo-polished to its required prescription as measured at operational cryogenic temperatures. ...
Space & Earth / Space Exploration
Mar 02, 2010 |
4.7 / 5 (3) |
0
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 |
3.8 / 5 (9) |
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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 |
4.2 / 5 (17) |
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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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