News tagged with radio signals

Related topics:

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 ...

Jun 06, 2011
not rated yet 1

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

Smartphones -- the grip of death

New research by academics in the University of Bristol's Centre for Communications Research has highlighted the problems of reduced sensitivity in wireless communications, along with developing new solutions to overcome the ...

Feb 28, 2011
5 / 5 (1) 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

A new way to weigh planets

An international CSIRO-led team of astronomers has developed a new way to weigh the planets in our Solar System - using radio signals from the small spinning stars called pulsars.

Aug 24, 2010
5 / 5 (13) 4 | with audio podcast