News tagged with radio waves

4C+29.30: Black hole powered jets plow into galaxy

(Phys.org) —This composite image of a galaxy illustrates how the intense gravity of a supermassive black hole can be tapped to generate immense power. The image contains X-ray data from NASA's Chandra X-ray ...

May 15, 2013
5 / 5 (6) 4 | with audio podcast

A millimeter-scale, wirelessly powered cardiac device

A team of engineers at Stanford has demonstrated the feasibility of a super-small, implantable cardiac device that gets its power not from batteries, but from radio waves transmitted from outside the body. The implanted device ...

Aug 31, 2012
4.7 / 5 (3) 0 | with audio podcast

CSIRO telescope takes temperature of Universe

(Phys.org)—Using the CSIRO Australia Telescope Compact Array near Narrabri, NSW, an international team from Sweden, France, Germany and Australia has measured how warm the Universe was when it was half ...

Jan 23, 2013
4.4 / 5 (8) 0 | with audio podcast