News tagged with radio waves

Cellphone cancer warning falls lightly on US ears

(AP) -- News last week that an arm of the World Health Organization said cellphones might raise the risk of brain cancer has been greeted by Americans mostly with a shrug of the shoulder - one that's pinning ...

dateJun 06, 2011 in Health
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Smart meters raise suspicions

Coast to coast, from Maine to Marin County, Calif., the number of homes being outfitted with smart meters that keep a close eye on homeowner electricity use is on the rise. And so is the number of folks who think smart meters ...

dateMar 12, 2011 in Energy & Green Tech
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White House seeks spectrium for public safety

(AP) -- The Obama administration is throwing its support behind a plan to give a valuable chunk of radio waves to police officers, firefighters and emergency medical workers to build nationwide wireless broadband network ...

dateJan 27, 2011 in Telecom
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An astronomer's field of dreams

(PhysOrg.com) -- An innovative new radio telescope array under construction in central New Mexico will eventually harness the power of more than 13,000 antennas and provide a fresh eye to the sky. The antennas, ...

dateJan 26, 2011 in Astronomy
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Nanotubes behave as optical antennae

(PhysOrg.com) -- Just as walkie-talkies transmit and receive radio waves, carbon nanotubes can transmit and receive light at the nanoscale, Cornell researchers have discovered.

dateDec 21, 2010 in Nanomaterials
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