Most robots covered on this site push the envelope of technology, by working in space or eerily replicating flesh-and-blood humans. But for Sam Todo, a student in the Togolese Republic in Africa, robotics is a way to put the outdated technology found in the garbage to new, innovative uses. In this video, Todo displays a humanoid robot he created almost entirely from discarded TV parts.
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.