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«
3 items tagged "light"
Related tags: science [+], wall [+], solar [+], physics [+], fake [+], energy [+], cell [+], apartment [+]
Slashdot
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Scientists Trap a Rainbow
Posted: November 19th, 2007, 12:44pm MST by ScuttleMonkey
LBL_TAG_TAGS: science light physics [LBL_TAG_EDIT]
An anonymous reader writes to tell us that Physicists from both the University of Surrey and Salford University have devised a method to trap a multi-colored rainbow of light inside a prism. "Previous attempts to slow and capture light have involved extremely low or cryogenic temperatures, have been extremely costly, and have only worked with one specific frequency of light at a time. The technique proposed by Professor Hess and Mr Kosmas Tsakmakidis involves the use of negative refractive index metamaterials along with the exploitation of the Goos Hänchen effect, which shows that when light hits an object or an interface between two media it does not immediately bounce back but seems to travel very slightly along that object, or in the case of metamaterials, travels very slightly backwards along the object."
Engadget
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Spectrolab designs highly efficient solar cell
Posted: June 16th, 2007, 1:05pm MDT by Darren Murph
LBL_TAG_TAGS: science solar cell energy light [LBL_TAG_EDIT]
Filed under: Misc. Gadgets
While we certainly applaud the designers at Spectrolab for developing a solar cell that's reportedly "twice as efficient as typical rooftop solar panels," we're stifling most of our excitement until it actually leaves the laboratory. Nevertheless, the Boeing subsidiary has apparently cranked out a cell that utilizes metamorphic materials and is "designed for photovoltaic systems that use lenses and mirrors to concentrate the sun's rays onto small, high-efficiency solar cells." The unique semiconductors used are said to resemble ones that adorn satellites and planetary landers, and can capture three layers of the solar spectrum versus the single layer that traditional solar panels collect. Unfortunately, it seems that the eventual goals for this thing are rather ho hum, as the crew only expects the cells to hit 45-percent efficiency within the next six or so years. C'mon folks, you've already got alternatives at 40.Read | Permalink | Email this | Comments
Office Depot Featured Gadget: Xbox 360 Platinum System Packs the power to bring games to life!
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Reveal Light brings windows, sunlight into wall-locked apartments
Posted: February 13th, 2007, 2:44pm MST by Darren Murph
LBL_TAG_TAGS: light wall apartment fake [LBL_TAG_EDIT]
Filed under: Household
Sprucing up your domicile with various forms of light has been trendy for quite some time, but rather than constructing an entirely new building or installing a fiber optic chandelier, you could just mount a Reveal Light. In what appears to be nothing more than a wall-mountable projector with pre-loaded imagery, this not-yet-priced artsy device can beam images of windows onto your drab apartment wall, complete with sunlight, trees, and a light breeze blowing around the leaves. Sure, some would say that artificial light and scenery is better than none at all, but the inner geek in us would argue that a 100-inch projection image of your favorite shows (or games) in HD would be a much, much better use of that bare wall.
[Via SciFiTech]Read | Permalink | Email this | Comments
BOLD MOVES: THE FUTURE OF FORD A new documentary series. Be part of the transformation as it happens in real-time
Office Depot Featured Gadget: Xbox 360 Platinum System Packs the power to bring games to life!