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 led by researchers from the U.S. Department of Energy’s (DOE) SLAC National Accelerator Laboratory and Stanford University.

Bill forces Apple and Intel to disclose use of 'conflict minerals'

Hi-tech companies could be forced to admit whether they're buying minerals that fuel violence in Congo.