The way in which radio spectrum is currently allocated to different wireless technologies can lead to gross inefficiencies. In some regions, for instance, the frequencies used by cellphones can be desperately ...
May 15, 2013
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(Phys.org) —In the nearly six decades since quasars were discovered, the list of these energetic galaxies powered by supermassive black holes has grown to more than 100,000 – enough examples to reveal ...
Apr 18, 2013
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A team of astronomers led by ASTRON astronomer Dr. George Heald has discovered a previously unknown gigantic radio galaxy, using initial images from a new, ongoing all-sky radio survey. The galaxy was found ...
Mar 20, 2013
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(Phys.org) —A team of physicists from Russia's Institute of Applied Physics, Russian Academy of Sciences, has built an exceptionally sensitive spectrometer that they claim, is the first to measure water ...
Mar 11, 2013
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Military radars, military communications networks, and commercial communications networks all require increasing amounts of limited radio frequency spectrum. Balancing national security requirements of radars ...
Feb 11, 2013
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(Phys.org)—The NASA/ESA Hubble Space Telescope – with a little help from an amateur astronomer – has produced one of the best views yet of nearby spiral galaxy Messier 106. Located a little over 20 ...
Feb 05, 2013
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Tiny LED lights now being developed could deliver Wi-Fi-like internet communications, while simultaneously displaying information, and providing illumination for homes, offices and a whole host of other locations.
Jan 25, 2013
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A pulsar that is able, without warning, to dramatically change the way in which it shines has been identified by an international team of astronomers.
Jan 24, 2013
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Cognitive radios, the "intelligent" cell phones or police radios that help determine the best way to operate in any given situation, are becoming the "radio platform of the next generation of wireless communications. ...
Jan 15, 2013
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(Phys.org)—Luminous galaxies glow like fireflies on a dark night in this image snapped by the NASA/ESA Hubble Space Telescope. The upper central galaxy in this image is a gigantic elliptical galaxy designated ...
Nov 18, 2012
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EU-funded scientists experimentally and theoretically validated technology for the future convergence of wireless and wireline communications into a common infrastructure.
Oct 16, 2012
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US regulators voted Friday to begin a process to reallocate some of the broadcast spectrum to meet surging demand from smartphones, tablets and other devices that use the wireless Internet.
Sep 29, 2012
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In his keynote today at the Intel Developer Forum, Intel Chief Technology Officer Justin Rattner said, "In the future, if it computes, it connects. From the simplest embedded sensors to the most advanced cloud datacenters, ...
Sep 14, 2012
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(Phys.org)—The demand for faster, more mobile Internet access for smartphones, tablets and laptops does more than strain the available space we have in our pockets and bags. There's a finite amount of wireless spectrum ...
Sep 11, 2012
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(Phys.org)—Researchers have learned how to mass produce tiny mechanical devices that could help cell phone users avoid the nuisance of dropped calls and slow downloads. The devices are designed to ease ...
Aug 30, 2012
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