(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 ...
Telecom
Sep 11, 2012
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Using NASA's Fermi spacecraft, Chinese astronomers have investigated the variability and spectral behavior of gamma-ray flares in a distant blazar known as 3C 279. Results of the study, presented in a paper published in the ...
An international team of astronomers has conducted a long-term multi-frequency radio monitoring of a nearby blazar known as OJ 287. Results of the observational campaign, published February 22 on the pre-print server arXiv, ...
No place seems safe from the prying eyes of inquisitive astronomers. They've traced the evolution of the universe back to the "Big Bang," the theoretical birth of the cosmos 13.7 billion years ago, but there's still a long ...
Astronomy
Oct 15, 2009
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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 congested, while ...
Electronics & Semiconductors
May 15, 2013
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The International Telecommunication Union said Friday its World Radiocommunications Conference (WRC-12) has agreed a treaty aimed at revising the radio frequency spectrum to speed up mobile services.
Telecom
Feb 17, 2012
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By analyzing the data from ESA's XMM-Newton satellite, astronomers from the Astronomical Observatory of the Jagiellonian University in Kraków, Poland, and elsewhere, have investigated X-ray intraday variability of a nearby ...
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.
Hi Tech & Innovation
Jan 25, 2013
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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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An international team of astronomers has found that the giant radio galaxy (GRG) Mrk 1498 has a more complex nuclear structure than previously thought. By analyzing multi-wavelength observations of Mrk 1498, a young and obscured ...
