News tagged with momentum

Controlling electron spins by light

Topological insulators are considered a very promising material class for the development of future electronic devices. A research team at Helmholtz-Zentrum Berlin has discovered, how light can be used to ...

Mar 27, 2014
4.6 / 5 (7) 1

Recipes for Renegade Planets

Recent discoveries of gas giant planets in unusual orbits challenge the generally accepted theory of planet formation. While these discoveries do not disprove the theory, they have opened our eyes to chaotic ...

Jul 08, 2010
4.8 / 5 (11) 2 | with audio podcast

Electron microscopes with a twist

Vortex beams, rotating like a tornado, offer completely new possibilities for electron microscopy. A method of producing extremely intense vortex beams has been discovered at the Vienna University of Technology ...

Nov 05, 2012
4.7 / 5 (3) 2 | with audio podcast

Magnetic switching simplified

An international team of researchers has described a new physical effect that could be used to develop more efficient magnetic chips for information processing. The quantum mechanical effect makes it easier ...

Aug 07, 2013
5 / 5 (7) 0 | with audio podcast

Novel beams made of twisted atoms

Physicists have, for the first time, now built a theoretical construct of beams made of twisted atoms. These findings by Armen Hayrapetyan and colleagues at Ruprecht-Karls-University Heidelberg in Germany ...

Aug 07, 2013
4.9 / 5 (7) 0 | with audio podcast