Dual-core processors have been a computing mainstay for more than six years, allowing machines to handle two tasks at once without sacrificing speed in either. This year, dual-core chips have begun popping up in app-hungry phones. The next step: cameras. The Olympus PEN E-P3 is the first digital camera running on a dual-core chip, which lets it capture, retouch, and save shots nearly twice as fast as most competitors.
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.