Light-emitting diodes, or LEDs, have become popular with backpackers and cyclists who mount them on headbands for a reliable, hands-free source of illumination. Now, a new lab at the National Institute of Standards and Technology ...
Other
Sep 29, 2010
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(PhysOrg.com) -- Computers, light bulbs, and even people generate heat—energy that ends up being wasted. With a thermoelectric device, which converts heat to electricity and vice versa, you can harness that otherwise wasted ...
Nanomaterials
Sep 23, 2010
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The Office of Naval Research has designed a system that controls electrical flow for lighting, a highly efficient platform that may spark a new era of power savings.
Energy & Green Tech
Sep 23, 2010
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This is a cautionary tale about a few porch lights. Once upon a time, porch lights had incandescent bulbs. Eventually, many residents subbed them out with those swirly compact fluorescent bulbs, which use a quarter of the ...
Energy & Green Tech
Sep 14, 2010
20
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(PhysOrg.com) -- Researchers from the Nichia Corporation in Tokushima, Japan, have set an ambitious goal: to develop a white LED that can replace every interior and exterior light bulb currently used in homes and offices. ...
German industrial giant Siemens said Wednesday it would cut 2,000 jobs in its German IT solutions and services (SIS) unit, part of a broader cost-cutting programme initially unveiled in March.
Business
Aug 4, 2010
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A well-preserved tomb of an ancient Mayan king has been discovered in Guatemala by a team of archaeologists led by Brown University's Stephen Houston. The tomb is packed with of carvings, ceramics, textiles, and the bones ...
Archaeology
Jul 16, 2010
7
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Forecasting the future of technology is anything but an exact science. In late 2006, for instance, my colleagues and I put together an article outlining our predictions for the top 10 tech trends for 2007. My record was, ...
Energy & Green Tech
Jul 1, 2010
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Researchers at the University of Texas at Austin have miniaturized a children's toy into a tiny motor that could one day power medical devices or harvest solar energy. The device, called a radiometer, is based on a classical ...
Engineering
Jun 30, 2010
1
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(PhysOrg.com) -- Electricity in India can be a dicey proposition. Half the population lacks access or is too poor to afford it. The other half is using so much that demand far outstrips supply, resulting in daily power outages. ...
Energy & Green Tech
May 25, 2010
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