If a Hummer died and came back as a camera, it would be a Leica -- for many reasons. First, they're built like tanks. Second, even the "small" ones are still huge. And, the most affordable ones are expensive. The just-announced M9 rangefinder and X1 compact are true to Leica form: they're both masterfully constructed cameras that are built to last. But at $7,000, the M9 should have a solid 24K gold shutter at the very least.
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.