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New from Power Partners (Hudson, MA) is the PIL40U-C LED power supply, which provides 40W in a compact, IP66 wateproof case. Highly efficient (up to 88%) and with a high power factor rating (0.99 at 110VAC), the supply also includes comprehensive overvoltage, overload, lightning, and short circuit protection.
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Stanford scientists have harnessed a tiny electrical current from algae cells. They found it at the very source of energy production – photosynthesis - and it may be the first step toward generating high-efficiency bioelectricity that doesn't give off carbon dioxide as a byproduct.
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To make large sheets of carbon available for light collection, Indiana University Bloomington chemists have attached what amounts to a 3D bramble patch to each side of the carbon sheet. The scientists say they were able to dissolve sheets containing as many as 168 carbon atoms, which is a first.
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A 40-watt GE Energy Smart® LED bulb from GE Lighting (Cleveland, OH) will be available later this year or early 2011. The new LED bulb is expected to consume only 9 watts, provide a 77 percent energy savings, and produce nearly the same light output as a 40-watt incandescent bulb - while lasting more than 25 times as long.
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Global Lighting Technologies (GLT), Inc. (Brecksville, OH) now offers LED edge-lighting solutions that focus light into a high-performance backlight, or light guide. Because the LEDs are located on the edge of the light guide, there is better optical control for color and uniformity, fewer LEDs, better repeatability, and the thinnest possible lighting solution.
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Princeton University engineers have developed translucent, malleable, and electricity-conducting plastics, which could represent a low-cost alternative to indium tin oxide (ITO) - an expensive conducting material currently used in solar panels.
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Berkeley Lab researchers have found a new mechanism by which the photovoltaic effect can take place in semiconductor thin-films. This new route to energy production overcomes the bandgap voltage limitation that continues to plague conventional solid-state solar cells.
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