News tagged with conduct electricity

Super-stretchable yarn is made of graphene

(Phys.org) —A simple, scalable method of making strong, stretchable graphene oxide fibers that are easily scrolled into yarns and have strengths approaching that of Kevlar is possible, according to Penn ...

Jun 23, 2014
4.9 / 5 (11) 0

Graphene's high-speed seesaw

A new transistor capable of revolutionizing technologies for medical imaging and security screening has been developed by graphene researchers from the Universities of Manchester and Nottingham.

Apr 30, 2013
4.8 / 5 (4) 1 | with audio podcast

Blocking infinity in a topological insulator

(Phys.org)—In bulk, topological insulators (TIs) are good insulators, but on their surface they act as metals, with a twist: the spin and direction of electrons moving across the surface of a TI are locked ...

Feb 08, 2013
4.8 / 5 (4) 7 | with audio podcast

Will 2-D tin be the next super material?

A single layer of tin atoms could be the world's first material to conduct electricity with 100 percent efficiency at the temperatures that computer chips operate, according to a team of theoretical physicists ...

Nov 21, 2013
4.7 / 5 (61) 16 | with audio podcast