News tagged with visible light
Astronomers observe fast growing primitive black holes
(PhysOrg.com) -- Astronomers have come across what appear to be two of the earliest and most primitive supermassive black holes known. The discovery, based largely on observations from NASA's Spitzer Space ...
Mar 17, 2010 |
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Orion in a New Ligh (w/ Video)
(PhysOrg.com) -- The Orion Nebula reveals many of its hidden secrets in a dramatic image taken by ESO’s new VISTA survey telescope. The telescope’s huge field of view can show the full splendour of the whole ...
Feb 10, 2010 |
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Prometheus: Over Easy
(PhysOrg.com) -- Looking for all intents and purposes like a celestial egg after a session in Saturn's skillet, Prometheus displayed its pockmarked, irregular surface for NASA's Cassini spacecraft on Jan. ...
Space & Earth / Space Exploration
Jan 29, 2010 |
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New visible light photocatalyst kills bacteria, even after light turned off
In the battle against bacteria, researchers at the University of Illinois have developed a powerful new weapon - an enhanced photocatalytic disinfection process that uses visible light to destroy harmful bacteria and viruses, ...
Jan 19, 2010 |
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VISTA: Pioneering new survey telescope starts work
VISTA is the latest telescope to be added to ESO's Paranal Observatory in the Atacama Desert of northern Chile. It is housed on the peak adjacent to the one hosting the ESO Very Large Telescope (VLT) and shares ...
Dec 11, 2009 |
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Dark Matter in a Galaxy
(PhysOrg.com) -- Stars, the most familiar objects in the night sky, make up only a tiny percentage of the total amount of matter in the universe -- about 2%.
Oct 30, 2009 |
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Scientists Build First 'Frequency Comb' To Display Visible 'Teeth'
(PhysOrg.com) -- Finally, an optical frequency comb that visibly lives up to its name. Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology in the U.S. ...
Oct 29, 2009 |
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Mantis shrimps could show us the way to a better DVD
(PhysOrg.com) -- The remarkable eyes of a marine crustacean could inspire the next generation of DVD and CD players, according to a new study from the University of Bristol published today in Nature Photonics.
Oct 25, 2009 |
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Chinese scientists create metamaterial black hole
(PhysOrg.com) -- Two physicists in China have used metamaterials to create the first artificial electromagnetic black hole. The scientists, Qiang Cheng and Tie Jun Cui from the Southeast University in Nanjing, ...
Oct 16, 2009 |
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Spot discovered on dwarf planet Haumea shows up red and rich with organics
A dark red area discovered on dwarf planet Haumea appears to be richer in minerals and organic compounds than the surrounding icy surface. The discovery will be presented at the European Planetary Science ...
Sep 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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New nanolaser -- spaser -- key to future optical computers and technologies
(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, ...
Aug 16, 2009 |
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Astronomer's new guide to the galaxy: Largest map of cold dust revealed
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 ...
Jul 01, 2009 |
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New 'broadband' cloaking technology simple to manufacture
(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 ...
May 20, 2009 |
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