Glasses have been passively correcting human vision for centuries, using tricks of light to compensate for various visual impairments. But there are some conditions--like age-related macular degeneration--that simple lenses can’t correct. So Oxford University researchers are getting proactive with a pair of frames packed with technologies usually found in gaming consoles and smartphones to give greater independence and self sufficiency to those suffering from more serious optical ailments.
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.