News tagged with microwave radiation

No evidence for 'knots' in space

(Phys.org) -- Theories of the primordial Universe predict the existence of knots in the fabric of space - known as cosmic textures - which could be identified by looking at light from the cosmic microwave ...

Jun 13, 2012
4.9 / 5 (11) 24 | with audio podcast

Record-setting X-ray jet discovered

A jet of X-rays from a supermassive black hole 12.4 billion light years from Earth has been detected by NASA's Chandra X-ray Observatory. This is the most distant X-ray jet ever observed and gives astronomers ...

Nov 28, 2012
5 / 5 (5) 4 | with audio podcast

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

Most distant detection of water in the Universe

(PhysOrg.com) -- Astronomers have found the most distant signs of water in the Universe to date. Dr John McKean of the Netherlands Institute for Radio Astronomy (ASTRON) will be presenting the discovery at ...

Apr 22, 2009
4.6 / 5 (13) 1

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