Nintendo just announced their successor to the revolutionary Wii, to be called the Wii U, at this year's E3 conference in Los Angeles. We've only gotten snippets and tidbits of information, but we do know that the--as in the original Wii--the most important part of the Wii U will be the controller. This time, it's a giant, tablet-like, touchscreened beast that packs an accelerometer, camera, gyroscope, and a full array of Wii buttons.
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.