Alternative lighting is emerging as a potent method to combat the energy crisis. Light-emitting diode (LED) lighting technologies could provide an innovative way to save energy and make wasteful lighting obsolete.
Energy & Green Tech
Nov 17, 2011
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A new type of active metamaterial that incorporates semiconductor devices into conventional metamaterial structures is demonstrating an ability to have power gain while retaining its negative refraction property, a first ...
Condensed Matter
Nov 9, 2011
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A new "subconscious mode" for smartphones and other WiFi-enabled mobile devices could extend battery life by as much as 54 percent for users on the busiest networks.
Telecom
Sep 15, 2011
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Modern electronics as we know them, from televisions to computers, depend on conducting materials that can control electronic properties. As technology shrinks down to pocket sized communications devices and microchips that ...
Nanomaterials
Jul 15, 2011
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(AP) -- The Supreme Court has added a couple of high-profile constitutional challenges to its lineup of cases for next term: One looking at governmental regulation of television content and the other dealing with the authority ...
Telecom
Jun 28, 2011
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Federal regulators have granted a Virginia company called LightSquared a two-week extension to report on recent tests that aimed to determine whether its proposed high-speed wireless broadband network would cripple GPS systems ...
Telecom
Jun 16, 2011
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(AP) -- Federal regulators adopted rules Thursday to drive more competition in wireless broadband as more people access the Internet using iPhones and other popular mobile devices.
Telecom
Apr 7, 2011
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As computing power continues to move from the desktop to portable devices, the nature of communications networks will change radically. A network in which devices are regularly being added and removed, and where the strength ...
Computer Sciences
Dec 10, 2010
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Researchers at the National Institute of Standards and Technology have found theoretical evidence* of a new way to generate the high-frequency waves used in modern communication devices such as cell phones. Their analysis, ...
General Physics
Sep 15, 2010
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Physicists in the United States and Germany have discovered a way to use a gallium arsenide nanodevice as a signal processor at "terahertz" speeds, the first time it's been used for this purpose and an important step forward ...
Optics & Photonics
Jul 19, 2010
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