(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 ...

Nanotechnology - Nanomaterials

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

(Phys.org) -- Nature makes science fun by never failing to surprise. Just when scientists think they have a thing figured out, nature sends them scurrying to the whiteboard because of some unexpected result. ...

Physics - General Physics

Aug 03, 2012 4.8 / 5 (4) 0 |