News tagged with wavelength bands
NASA's SkyView Delivers the Multiwavelength Cosmos
Feb 04, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Some three million times a year, researchers, educators, and amateur astronomers all over the world ask NASA's SkyView virtual observatory to serve up images of some interesting corner of ...
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Researchers identify better laser for treating facial spider veins
Oct 06, 2009 |
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(PhysOrg.com) -- Researchers from Boston University School of Medicine (BUSM) have concluded that the 940nm wavelength laser is superior for treating facial spider veins (telangiectasias) as compared to the 532nm wavelength ...
Stretching silicon: A new method to measure how strain affects semiconductors
Nov 03, 2008 |
3.8 / 5 (4) |
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(PhysOrg.com) -- University of Wisconsin-Madison engineers and physicists have developed a method of measuring how strain affects thin films of silicon that could lay the foundation for faster flexible electronics.
New NASA Image Shows Extent of Station Fire Burn
Space & Earth / Space Exploration
Sep 09, 2009 |
4.7 / 5 (3) |
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On September 6, 2009, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra satellite captured this simulated natural color image of the Station fire, burning ...
New structure could produce efficient semiconductor laser sources
Dec 14, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...
Building a more versatile laser
Nov 16, 2009 |
4.5 / 5 (19) |
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(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. ...
NASA Sees Santa Barbara Wildfires
Space & Earth / Earth Sciences
Aug 08, 2007 |
3 / 5 (3) |
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This image shows the Zaca fire, which continues to burn in the Los Padres National Forest near Santa Barbara, Calif. The image was acquired by ASTER on Aug. 7, 2007.
A pool of distant galaxies -- the deepest ultraviolet image of the universe yet
Nov 07, 2008 |
4.6 / 5 (33) |
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This uniquely beautiful patchwork image, with its myriad of brightly coloured galaxies, shows the Chandra Deep Field South (CDF-S), arguably the most observed and best studied region in the entire sky. The ...
Hope Diamond's phosphorescence key to fingerprinting
Jan 07, 2008 |
4.6 / 5 (5) |
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Shine a white light on the Hope Diamond and it will dazzle you with the brilliance of an amazing blue diamond. Shine an ultraviolet light on the Hope Diamond and the gem will glow red-orange for about five ...
Scientists demonstrate multibeam, multi-functional lasers
Nov 30, 2009 |
4.4 / 5 (7) |
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An international team of applied scientists from Harvard, Hamamatsu Photonics, and ETH Zürich have demonstrated compact, multibeam, and multi-wavelength lasers emitting in the invisible part of the light spectrum ...
No Mistaking this Bug with New Insect ID Technique
Sep 10, 2009 |
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(PhysOrg.com) -- Misidentifying boll weevils caught in pheromone traps could be easier to avoid, thanks to a new DNA fingerprinting method devised by Agricultural Research Service (ARS) scientists and their ...
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