News tagged with momentum

Old young stars

(Phys.org) —The early stages of a star's life are critical both for the star and for any future planets that might develop around it. The process of star formation, once thought to involve just the simple ...

Nov 11, 2013
5 / 5 (9) 2 | with audio podcast

Breaking nature's superfluid symmetry

Superfluids are an exotic state of matter in which particles flow without experiencing viscosity. Hiroki Ikegami and colleagues from the RIKEN Low Temperature Physics Laboratory in Wako have now observed ...

Sep 06, 2013
5 / 5 (6) 3 | 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

In baseball, bigger still better

Max Scherzer leads Major League Baseball in wins. As a pitcher for the Detroit Tigers, he hasn't lost a game this season. His 6-foot, 3-inch frame is a telling example of constructal-law theory, said Duke ...

Jul 08, 2013
not rated yet 0 | with audio podcast

Graphene switches: Team makes it to first base

Ever since graphene was first isolated a few years ago, this quasi-two-dimensional network made up of a single layer of carbon atoms has been considered the magic material. Not only is graphene mechanically ...

Nov 27, 2012
4.8 / 5 (8) 0 | with audio podcast

One material, two types of magnetism

When placed next to a bar magnet, an aluminum ball draws gently towards the magnet. In contrast, a ball made of silver moves out of the magnetic field. The mechanisms underlying these different behaviors ...

Nov 22, 2012
4.8 / 5 (6) 7 | with audio podcast