News tagged with visible
UGA, UPR grant license for long-persistence glow materials, in any color
Aug 17, 2009 |
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The University of Georgia Research Foundation, Inc. (UGARF) and the University of Puerto Rico have granted an international, non-exclusive license for a portfolio of glow-in-the-dark pigments that can be designed ...
New nanolaser -- spaser -- key to future optical computers and technologies
Aug 16, 2009 |
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(PhysOrg.com) -- Because the new device, called a "spaser," is the first of its kind to emit visible light, it represents a critical component for possible future technologies based on "nanophotonic" circuitry, ...
Columbia Researchers Lead Race to Find Dark Matter
Jul 27, 2009 |
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(PhysOrg.com) -- Inside a mountain range in central Italy, Columbia researchers are trying to solve one of the most pressing questions in modern physics: What is dark matter? The riddle has obsessed astronomers ...
LED closes the yellow gap: Full conversion of blue into amber light by new nitride phosphor
Jul 23, 2009 |
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(PhysOrg.com) -- Monochromatic light-emitting diodes cover a large part of the visible spectrum with high effi-ciency. For blue light, nitride diodes achieve external quantum efficiencies in excess of 65%, ...
Astrophysicists solve mystery in Milky Way galaxy
Jul 09, 2009 |
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A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" ...
Astronomer's new guide to the galaxy: Largest map of cold dust revealed
Jul 01, 2009 |
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This new guide for astronomers, known as the APEX Telescope Large Area Survey of the Galaxy (ATLASGAL) shows the Milky Way in submillimetre-wavelength light (between infrared light and radio waves). Images ...
New 'broadband' cloaking technology simple to manufacture
May 20, 2009 |
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(PhysOrg.com) -- Researchers have created a new type of invisibility cloak that is simpler than previous designs and works for all colors of the visible spectrum, making it possible to cloak larger objects ...
Tiny lasers plug the 'green gap'
Apr 30, 2009 |
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(PhysOrg.com) -- Compact lasers which can work in formerly inaccessible parts of the spectrum and are suitable for mass production are now within reach.
Carbon nanotube device can detect colors of the rainbow
Nanotechnology / Nanomaterials
Apr 30, 2009 |
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Researchers at Sandia National Laboratories have created the first carbon nanotube device that can detect the entire visible spectrum of light, a feat that could soon allow scientists to probe single molecule ...
Discovery of an Unexpected Boost for Solar Water-Splitting Cells
Nanotechnology / Nanomaterials
Apr 22, 2009 |
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(PhysOrg.com) -- A research team from Northeastern University and the National Institute of Standards and Technology has discovered, serendipitously, that a residue of a process used to build arrays of titania ...
Transparent Carbon Nanotube Films Likely Successor to ITO for Commercial Applications
Nanotechnology / Nanomaterials
Apr 10, 2009 |
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(PhysOrg.com) -- Will the legacy of Nobel prize winner Richard Smalley finally be fulfilled? Ever since his pioneering work in the mid 1990's on the synthesis of carbon nanotubes, companies have been struggling ...
Dark matter: Physicists may have found piece of the puzzle
Apr 01, 2009 |
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European astronomers said on Wednesday that an anomalous energy signal detected by an orbiting satellite could be a telltale of the enigmatic substance known as dark matter.
Astrophysicists explore a blazar
Mar 18, 2009 |
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An international team of astrophysicists using telescopes on the ground and in space have uncovered surprising changes in radiation emitted by an active galaxy. The picture that emerges from these first-ever ...
Galaxy Cores to Crash in a Few Million Years
Mar 16, 2009 |
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(PhysOrg.com) -- A new image from NASA's Spitzer Space Telescope offers a rare view of an imminent collision between the cores of two merging galaxies, each powered by a black hole with millions of times the ...
Infrared Nanotube Films Offer Advantages for Solar Cells and More
Mar 11, 2009 |
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(PhysOrg.com) -- Researchers have already known that carbon nanotube thin films have mechanical and conductive advantages that could make them useful as electrodes in solar cells, solid state lighting, and ...
