The phase-out of traditional incandescent bulbs in the U.S. and elsewhere, as well as a growing interest in energy efficiency, has given LED lighting a sales boost. However, that trend could be short-lived as key materials ...
Energy & Green Tech
Oct 15, 2014
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US-based researcher Shuji Nakamura, one of three scientists to win the Nobel Prize Tuesday for Physics, said he was delighted to see his "dream of LED lighting" become a reality.
General Physics
Oct 7, 2014
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In the United States, the start of 2014 marked the end of an era—the "death" of incandescent light bulbs. Not that all 40- and 60-watt incandescent light bulbs simultaneously stopped working on January 1, 2014, but their ...
Condensed Matter
Aug 22, 2014
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Silvija Gradečak has big intentions for small ingredients. The associate professor of materials science and engineering at MIT focuses on energy-conversion and light-harvesting through the use of nanomaterials. It's at these ...
Nanomaterials
Aug 21, 2014
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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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The most common kind of light bulb in the United States—the incandescent—is only about 5 percent efficient. The phosphorescent organic light-emitting diode, on the other hand, makes light out of 100 percent of the electricity ...
Energy & Green Tech
Jun 20, 2014
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For years, companies have been adding whiteners to laundry detergent, paints, plastics, paper and fabrics to make whites look "whiter than white," but now, with a switch away from incandescent and fluorescent lighting, different ...
Other
Apr 18, 2014
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Not too long ago, I wrote a review of several 60 watt-equivalent bulbs that use light-emitting diodes. I touched on a few ideas about the future of light bulbs that prompted some conversation both online and in the office.
Energy & Green Tech
Apr 2, 2014
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Want to save some money and help the planet at the same time? Then take a look at some of the gadgets and appliances in your house. By turning off, adjusting or swapping out some of the devices in your house, you can potentially ...
Energy & Green Tech
Mar 26, 2014
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LEDs are durable and save energy. Now researchers have found a way to make LED lamps even more compact while supplying more light than commercially available models. The key to success: transistors made of the semiconductor ...
Energy & Green Tech
Mar 4, 2014
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