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.
Telecom
Sep 29, 2012
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An international team of astronomers has carried out multi-wavelength observations of a blazar known as TXS 1515–273; they detected very-high energy (VHE) gamma-ray emission from this source for the first time. The finding ...
It can be difficult in our everyday lives to appreciate the extraordinary range of wavelengths in the electromagnetic spectrum. Electromagnetic radiation—from radio waves to visible light to x-rays—travels through space ...
General Physics
May 5, 2015
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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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2
An international team of astronomers has performed multi-wavelength photometric and spectroscopic observations of a blazar known as B2 1420+32. The observational campaign found that the object exhibits a large scale spectral ...
(AP) -- The Obama administration is calling on federal regulators to make more radio spectrum available for wireless Internet services to compete with broadband plans provided by the major phone and cable companies.
Telecom
Jan 4, 2010
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After decades spent scanning the heavens for signs of life elsewhere in the cosmos, astronomer Jill Tarter is stepping back, and letting a colleague take charge of the quest.
Space Exploration
May 22, 2012
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India said Saturday a long-delayed auction of radio bandwidth for third generation (3G) telecommunications services will start in January and will be open to foreign companies.
Telecom
Oct 25, 2009
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Using data from space observatories and ground-based telescopes, astronomers have investigated variability of a blazar known as 3C 273. The new study, presented in a paper published July 6 on the arXiv pre-print server, sheds ...
Using NASA's Fermi spacecraft, astronomers have conducted a long-term monitoring campaign of a blazar known as S5 1803+784 and have identified several gamma-ray and optical flares from this source. The finding is detailed ...
