The Consumer Electronics Show doesn't start till next week, but there's already some cool releases starting to roll out. We're especially looking forward to Olympus's LS-10; one of the only digital audio recorders that works with a wireless remote. Place the recorder on a speakers podium, for instance, and the infrared remote starts it from across the room.—Lauren Aaronson
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.