The closed architecture of game consoles such as Sony's PlayStation 2 has made them almost impossible to infiltrate. Hackers hoped for a new playground, however, with Microsoft's Xbox console, which went on sale last November. That's because the Xbox is PC-based, with a standard Intel processor and a hard drive.
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.