You remember the Chumby--it's that cute little Wi-Fi device designed to constantly stream a greatest-hits lineup of your favorite Web apps to places where your laptop, netbook, or smartphone can’t go. The Chumby on its own makes for a cute alarm clock, but this DIY upgrade for the tiny media display is really going places. (Ha!)
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.