Cracking combination locks has never been so easy. A group of engineering students at Olin College of Engineering have built a robot that will solve any MasterLock combination in a under two hours by running through all the possible combinations. Just set it and forget 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.