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(Phys.org) -- Strange new materials experimentally identified just a few years ago are now driving research in condensed-matter physics around the world. First theorized and then discovered by researchers at the Lawrence Berkeley National Laboratory (Berkeley Lab) and their colleagues in other institutions, these “strong 3-D topological insulators” – TIs for short – are seemingly mundane semiconductors with startling properties. For starters, picture a good insulator on the inside that’s a good conductor on its surface – something like a copper-coated bowling ball.

A potentially habitable alien planet -- one that scientists say is the best candidate yet to harbor water, and possibly even life, on its surface -- has been found around a nearby star. [More]

A potentially habitable alien planet -- one that scientists say is the best candidate yet to harbor water, and possibly even life, on its surface -- has been found around a nearby star. [More]