News tagged with microwave radiation

Experts say cellphones are 'possibly carcinogenic'

(AP) -- A respected international panel of scientists says cellphones are possible cancer-causing agents, putting them in the same category as the pesticide DDT, gasoline engine exhaust and coffee.

May 31, 2011
3 / 5 (9) 21

Ripples in the cosmic background

(PhysOrg.com) -- The universe was created 13.73 billion years ago in a blaze of light -- the big bang. We also think that, about 380,000 years later, after matter (mostly hydrogen atoms) had cooled enough ...

Sep 07, 2010
4.6 / 5 (21) 5 | with audio podcast

SMOS shines at symposium

Today, a focus at ESA's Living Planet Symposium is on the innovative SMOS mission, which recently became operational. Early results are proving very encouraging with its first observations due to be released in early July.

Jun 30, 2010
5 / 5 (1) 0

Americans get most radiation from medical scans

(AP) -- We fret about airport scanners, power lines, cell phones and even microwaves. It's true that we get too much radiation. But it's not from those sources - it's from too many medical tests.

Jun 14, 2010
5 / 5 (1) 0

Scientists create artificial mini 'black hole'

(PhysOrg.com) -- Scientists from China have built a device that can trap and absorb microwaves coming from all directions with a 99% absorption rate - a property that makes the device simulate, to some extent, ...

Jun 03, 2010 report
3.9 / 5 (16) 13 | with audio podcast

Probing the dark side of the universe

Advancing into the next frontier in astrophysics and cosmology depends on our ability to detect the presence of a particular type of wave in space, a primordial gravitational wave. Much like ripples moving ...

May 20, 2010
4.6 / 5 (15) 65 | with audio podcast