Any sentimentalist knows why we carry cameras: to capture memories. And a memory captured is one you don’t need to remember yourself. That’s more or less the idea behind the new Vicon Revue. The device, which is based on a Microsoft Research project, is a three-ounce camera that automatically snaps away all day long, remembering events so you don’t have to. We took it out for a test 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.