News tagged with antennae

Wireless advances could mean no more cell towers

(AP) -- As cell phones have spread, so have large cell towers - those unsightly stalks of steel topped by transmitters and other electronics that sprouted across the country over the last decade.

Feb 12, 2011
3.8 / 5 (5) 4

LightRadio breakthroughs

The world of mobile communications moves fast. With new mobile devices, new applications and ever-growing and changing consumer demands the wireless networks in use today have to evolve. Rather than take an incremental approach ...

Feb 08, 2011
4.6 / 5 (5) 0

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

The music of gravitational waves

A team of scientists and engineers at NASA's Jet Propulsion Laboratory has brought the world one step closer to "hearing" gravitational waves -- ripples in space and time predicted by Albert Einstein in the ...

Nov 24, 2010
4.9 / 5 (21) 62 | with audio podcast

Spitzer sees shrouded burst of stars

(PhysOrg.com) -- Astronomers using NASA's Spitzer Space Telescope have found a stunning burst of star formation that beams out as much infrared light as an entire galaxy. The collision of two spiral galaxies ...

Nov 23, 2010
4.9 / 5 (7) 15 | with audio podcast

Efficient computer network on a chip

Satellite TV without having to set up a receiver dish. Digital radio on your mobile phone without your batteries quickly running flat. The advanced calculations needed for these future applications are made possible by a ...

Oct 19, 2010
5 / 5 (1) 0