News tagged with radio waves

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 ...

Mar 12, 2011
4.5 / 5 (2) 16

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 ...

Jan 27, 2011
not rated yet 1

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, ...

Jan 26, 2011
5 / 5 (5) 1

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.

Dec 21, 2010
4.8 / 5 (15) 7 | with audio podcast