The Emotiv brain-computer interface was designed to let users control their computers with their thoughts alone, opening up a new avenue for hands-free computing as well as a potential means for those with disabilities to communicate through machines. So much for good intentions.
While the debate over the legality of waterboarding has raged fiercely since the Bush administration declared that it was not torture, experts have conducted a parallel debate over the effectiveness of torture as a means of interrogation. After all, legality aside -- if it doesn't work, why do it?
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.