At this year's International Robot Exhibition, Masahiko Yamaguchi demonstrated a smallish robot--maybe a foot high or so--that is able to ride a fixed-gear bike, like a 2011 version of the opening scene from The Muppet Movie (and there's a Muppet movie coming out this year, too! Sorry sorry. Back to robots.) What's especially impressive is that the robot is capable of biking just like a human--it moves and brakes solely through the strength of its own adorable little body.
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.