News tagged with heat radiation

Iron in the sun: A greenhouse gas for X-ray radiation

(Phys.org) —Scientists from the Heidelberg Max Planck Institute for Nuclear Physics (MPIK) in cooperation with DESY (Hamburg) at the synchrotron PETRA III have investigated for the first time X-ray absorption ...

Sep 06, 2013
4.4 / 5 (17) 1 | with audio podcast

Powering lasers through heat

In micro electronics heat often causes problems and engineers have to put a lot of technical effort into cooling, for example micro chips, to dissipate heat that is generated during operation. Austrian physicists ...

Nov 13, 2012
5 / 5 (6) 2 | with audio podcast

Solar cells made from black silicon

Solar cells convert three-quarters of the energy contained in the Sun's spectrum into electricity – yet the infrared spectrum is entirely lost in standard solar cells. In contrast, black silicon solar cells ...

Oct 01, 2012
3 / 5 (2) 1

Fireworks in the early universe

Galaxies in the early universe grew fast by rapidly making new stars. Such prodigious star formation episodes, characterized by the intense radiation of the newborn stars, were often accompanied by fireworks ...

Sep 28, 2012
5 / 5 (2) 1