News tagged with radio waves

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

Pushing the envelope

(PhysOrg.com) -- G327.1-1.1 is the aftermath of a massive star that exploded as a supernova in the Milky Way galaxy.

Oct 05, 2010
4.4 / 5 (21) 1

RFID could revolutionize the supply chain

Imagine you're at the grocery store the week before Thanksgiving and many of the items you're looking for are sold out. The employees restocking the shelves can't keep up with consumer demand. To make matters worse, you arrive ...

Sep 20, 2010
not rated yet 0