Ceiling lights in Minn. send coded Internet data
(AP) -- Flickering ceiling lights are usually a nuisance, but in city offices in St. Cloud, they will actually be a pathway to the Internet.
(AP) -- Flickering ceiling lights are usually a nuisance, but in city offices in St. Cloud, they will actually be a pathway to the Internet.
Hi Tech & Innovation
Dec 27, 2010
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(PhysOrg.com) -- Imagine yourself driving along an interstate highway, with about a thousand lanes of traffic zipping by. You notice that there are only a few cars in the outside lane, and you'd like to move over there.
Telecom
Dec 20, 2010
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Thirteen billion years ago our universe was dark. There were neither stars nor galaxies; there was only hydrogen gas left over after the Big Bang. Eventually that mysterious time came to an end as the first stars ignited ...
Astronomy
Dec 8, 2010
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Fujitsu announced the development of a power amplifier using gallium nitride (GaN) High Electron Mobility Transistors (HEMT) that has achieved the world's highest output performance of 1.3W for wireless communications in ...
Electronics & Semiconductors
Oct 6, 2010
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(AP) -- Federal regulators have shot down a proposal by a startup called M2Z Networks Inc. to build a free, nationwide wireless broadband network using a spare slice of airwaves.
Telecom
Sep 1, 2010
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(AP) -- Federal officials are beginning work on a comprehensive inventory of the nation's radio spectrum in hopes of finding more capacity for wireless high-speed Internet connections.
Telecom
Jul 14, 2010
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A study at the University of Leicester aims to understand the reasons why radio signals sometimes act unpredictably- travelling beyond the horizon and interfering with other signals.
Engineering
Jun 22, 2010
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(PhysOrg.com) -- Astronomers, like physicians, use as much of the electromagnetic spectrum as they can, from X-ray to radio wavelengths, to examine their subjects the with the most suitable diagnostics.
Astronomy
May 17, 2010
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(PhysOrg.com) -- The Low Frequency Array (LOFAR), a new pan-European radio astronomy facility, has started mapping the Universe at very low energy wavelengths, a part of the electromagnetic spectrum that is relatively unexplored. ...
Astronomy
Apr 14, 2010
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(PhysOrg.com) -- The three large Japanese manufactures, Hitachi, Panasonic Corp., and Toshiba Corp, have announced that they are developing radio frequency (RF) transceiver ICs in the 60GHz band. All three manufactures plan ...