News tagged with energy barrier

Coupled particles cross energy wall

For the first time, a new kind of so-called Klein tunnelling-representing the quantum equivalent of crossing an energy wall- has been presented in a model of two interacting particles. This work by Stefano ...

May 29, 2013 3.5 / 5 (4) 1 | with audio podcast

'Blood test' for crook corals

(Phys.org)—Australian researchers are harnessing a world-first scientific discovery to develop a stress-test for coral, to measure how coral reefs are being impacted by pressures from climate change and human activity.

Feb 27, 2013 not rated yet 0

Adhesion disturbed by noise

Imagine a solid ball rolling down a slightly inclined ramp. What could be perceived as child's play is the focus of serious theoretical research by Manoj Chaudhury and Partho Goohpattader, two physicists ...

Dec 17, 2012 5 / 5 (2) 4 | with audio podcast