Self-healing solar cells 'channel' natural processes
To understand how solar cells heal themselves, look no further than the nearest tree leaf or the back of your hand.
Nanomaterials
Aug 7, 2013
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Page 5 - News tagged with ultraviolet rays
Microwave oven cooks up solar cell material
University of Utah metallurgists used an old microwave oven to produce a nanocrystal semiconductor rapidly using cheap, abundant and less toxic metals than other semiconductors. They hope it will be used for more efficient ...
Nanomaterials
May 6, 2013
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NASA supports Extreme Universe Space Observatory
The National Aeronautics and Space Administration has awarded $4.4 million to a collaboration of scientists at five U.S. universities and NASA's Marshall Space Flight Center to help build a telescope for deployment on the ...
Astronomy
Mar 8, 2013
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A new class of extragalactic objects
A blazar is a galaxy with an intensely bright central nucleus containing a supermassive black hole, much like a quasar. The difference is that a blazar can emit light with extremely high energy gamma rays that are sometimes ...
Astronomy
Oct 29, 2012
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UN hails 25-year ozone treaty for preventing disaster
The United Nations treaty to protect the ozone layer signed nearly 25 years ago prevented an environmental disaster, a chief UN scientist said Friday, cautioning though that the Earth's radiation shield is still under threat.
Environment
Sep 14, 2012
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HI-C sounding rocket mission has finest mirrors ever made
(Phys.org) -- On July 11, NASA scientists will launch into space the highest resolution solar telescope ever to observe the solar corona, the million degree outer solar atmosphere. The instrument, called HI-C for High Resolution ...
Space Exploration
Jul 6, 2012
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Making sharper X-rays
A variety of imaging technologies rely on light with short wavelengths because it allows very small structures to be resolved. However, light sources which produce short, extreme ultraviolet or x-ray wavelengths often have ...
General Physics
Mar 9, 2012
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Researchers at SLAC test collider closer to creating fully coherent X-rays
(PhysOrg.com) -- Many advanced laser technologies, such as laser spectroscopy, that use precise wavelengths of infrared, visible or ultraviolet laser light could benefit from using X-ray light as well. But to reach its full ...
General Physics
Feb 1, 2012
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New evidence for complex molecules on Pluto's surface
(PhysOrg.com) -- The new and highly sensitive Cosmic Origins Spectrograph aboard the Hubble Space Telescope has discovered a strong ultraviolet-wavelength absorber on Pluto's surface, providing new evidence that points to ...
Space Exploration
Dec 20, 2011
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Researchers take first steps toward X-ray superfluorescence
(PhysOrg.com) -- While physicist Robert Dicke is probably most famous for his work on the cosmic microwave background (CMB) – and being "scooped" while attempting to be the first to detect it – he also performed ...
