How do you make video-games more lifelike? Get the players off the couch. Nintendo’s Wii got families on their feet with a controller that senses swings and other motions. In November, Xbox 360 fans will rise for Microsoft’s Kinect. And now Sony wants serious gamers to stand. Its Move is designed for even those who prefer precision shooter games.
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.