News tagged with ultraviolet spectrum
Light-emitting nanocrystal diodes go ultraviolet: Biomedical device potential for robust, implantable product
(PhysOrg.com) -- A multinational team of scientists has developed a process for creating glass-based, inorganic light-emitting diodes (LEDs) that produce light in the ultraviolet range. The work, reported ...
Feb 24, 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 ...
Space & Earth / Space Exploration
Dec 20, 2011 |
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Saturn's geyser moon Enceladus shows off for Cassini
(PhysOrg.com) -- NASA's Cassini spacecraft successfully completed its Oct. 1 flyby of Saturn's moon Enceladus and its jets of water vapor and ice. At its closest approach, the spacecraft flew approximately ...
Space & Earth / Space Exploration
Oct 04, 2011 |
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Free-Electron Laser goes over the rainbow
Somewhere over the rainbow of visible light is an untapped goldmine of research potential, where energy sources, novel materials and environmental research are possible. That goldmine may soon be open to researchers ...
Dec 09, 2010 |
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Rosetta 'Alice' spectrometer reveals Earth's ultraviolet fingerprint in Earth flyby
On Nov. 13, the European Space Agency's comet orbiter spacecraft, Rosetta, swooped by Earth for its third and final gravity assist on the way to humankind's first rendezvous to orbit and study a comet in more ...
Space & Earth / Space Exploration
Jan 14, 2010 |
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Fish vision discovery makes waves in natural selection
Emory University researchers have identified the first fish known to have switched from ultraviolet vision to violet vision, or the ability to see blue light. The discovery is also the first example of an ...
Oct 16, 2009 |
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Bananas Gone Bad Glow Blue in UV-Light
(PhysOrg.com) -- Nicholas Turro of Columbia University, Bernhard Krautler of the University of Innsbruck, Austria and their colleagues have found that, as chlorophyll ages and begins to disintegrate in banana ...
Sep 09, 2009 |
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High in Sodium: Highly Charged Tungsten Ions May Diagnose Fusion Energy Reactors
(PhysOrg.com) -- Just as health-food manufacturers work on developing the best possible sodium substitutes for low-salt diets, physicists at the National Institute of Standards and Technology have acquired ...
Sep 08, 2009 |
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The Medical Minute: Melanoma - The dark side of the sun
Now that the weather is nice, people will spend more time outside. Whether it’s doing yard work, playing golf or relaxing at the beach, we are a nation of sun lovers. Some people with light skin may even spend a few sessions ...
May 27, 2009 |
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Swift Satellite records early phase of gamma ray burst
(PhysOrg.com) -- UK astronomers, using a telescope aboard the NASA Swift Satellite, have captured information from the early stages of a gamma ray burst - the most violent and luminous explosions occurring ...
Mar 02, 2009 |
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Team develops new metamaterial device
An engineered metamaterial proved it can function as a state-of-the-art device in the complex terahertz range of the electromagnetic spectrum, setting a standard of performance for modulating tiny waves of radiation, according ...
Feb 24, 2009 |
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