Don't know your Schweineschnitzel (steak) from your Schweinemagen (pig's stomach)? IBM's menu and street-sign translator may prevent a culinary catastrophe. The prototype is a PDA with a clip-on camera. Pictures are sent wirelessly to an IBM server, characters identified, and text sent back. Not the best way to read Molire, but it does translate the basics with few errors. The device could be available in two years.
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.