Osram Opto Semiconductors has developed an infrared light-emitting diode (IRED) for use in very thin optical touchscreens. Called the SFH 4053, the small new lamps are housed in a frame surrounding a display. The lamps create ...
Electronics & Semiconductors
Sep 16, 2011
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University of Florida researchers may help resolve the public debate over America's future light source of choice: Edison's incandescent bulb or the more energy efficient compact fluorescent lamp. It could be neither.
Optics & Photonics
Aug 31, 2011
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(AP) -- Boommi Gowda used to fear the night. Her vision fogged by glaucoma, she could not see by just the dim glow of a kerosene lamp, so she avoided going outside where king cobras slithered freely and tigers carried off ...
Energy & Green Tech
Jul 2, 2011
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In horticultural production, growers often depend on systems that use artificial light to produce high-quality transplants. Although the systems are efficient, fluorescent lamps can produce plants with shorter shoots than ...
Plants & Animals
Jun 22, 2011
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The number of households in electricity-starved Bangladesh using solar panels has crossed the one million mark -- the fastest expansion of solar use in the world, officials said Wednesday.
Energy & Green Tech
Jun 15, 2011
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Evans Wadongo is not yet 25 but has already changed the lives of tens of thousands of his fellow Kenyans living in poor rural communities by supplying them with solar lamps.
Energy & Green Tech
Jan 27, 2011
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(PhysOrg.com) -- As a child in Mali, Abdrahamane Traore often did his homework by the sooty, dim light of a kerosene lamp.
Energy & Green Tech
Jan 26, 2011
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Organic light-emitting diodes are seen as the basis for a new generation of lamps: Large-area lamps that can be randomly shaped and fl exibly integrated into interior design. But the "illuminated glass" is still very expensive. ...
Optics & Photonics
Nov 2, 2010
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In a new study, EMPA researchers have investigated the ecobalances of various household light sources. In doing so not only did they take into account energy consumption, but also the manufacture and disposal processes. They ...
Environment
Oct 22, 2010
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When consumers visit garden centers in spring they will most likely buy flowering ornamental plants that are ready for their home gardens. Studies have shown that consumers favor plants that are already in flower rather than ...
Plants & Animals
Sep 20, 2010
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