Highly efficient, light-emitting diodes (LEDs) could slash the world's electricity consumption. They are already sold in stores, but more widespread adoption of the technology has been hindered by high costs due to limited ...
General Physics
Aug 19, 2015
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Technology developed by the University of Cincinnati and industry partners can do something that neither blinds nor existing smart windows can do. This patent-pending research, supported by the National Science Foundation, ...
Optics & Photonics
Jun 10, 2015
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Chemists at Ludwig-Maximilians-Universitaet (LMU) in Munich have developed a novel type of red phosphor material, which significantly enhances the performance of white-emitting LEDs.
Materials Science
Jun 23, 2014
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As the world moves away from incandescent light bulbs, light-emitting diodes (LEDs) are growing in popularity. They use significantly less energy and have far longer lifetimes than do the traditional incandescent bulbs, which ...
General Physics
Feb 27, 2014
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The average amount of electricity consumed in U.S. homes has fallen to levels last seen more than a decade ago, back when the smartest device in people's pockets was a Palm pilot and anyone talking about a tablet was probably ...
Energy & Green Tech
Dec 30, 2013
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LED bulbs seem to be the future of home lighting: They save electricity, they're durable and they don't contain mercury like compact fluorescents. But having them produce white light like any old light bulb is like using ...
Consumer & Gadgets
Mar 13, 2013
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(Phys.org) —Scientists at the National Institute of Standards and Technology and the University of Maryland, College Park, have built a practical, high-efficiency nanostructured electron source. Described in the journal ...
Nanophysics
Mar 6, 2013
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(Phys.org)—Taking a photo of the sun with a standard camera will provide a familiar image: a yellowish, featureless disk, perhaps colored a bit more red when near the horizon since the light must travel through more of ...
Space Exploration
Jan 23, 2013
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(Phys.org)—Entrepreneurs Christian Yan, Tom Rodinger and Gimmy Chu have formed a partnership and created a company they call NanoLight. Their products are LED light bulbs that the group claims are the world's most efficient. ...
Today's light-emitting diode light bulbs have a slight environmental edge over compact fluorescent lamps. And that gap is expected to grow significantly as technology and manufacturing methods improve in the next five years, ...
Energy & Green Tech
Sep 5, 2012
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