By Andrew Rosenblum
Posted 07.11.2011 at 10:14 am 29 Comments
On a rainy weekend last year, Patrick Priebe, a German lab technician and Iron Man fanatic who rewatches the film and its sequel every week, decided to build a compact yet powerful laser inspired by Tony Stark’s repulsor-beam weapon. In the U.S., the maximum strength for consumer laser pointers is typically five milliwatts; Priebe’s handheld laser is 1,000 milliwatts, enough to instantly blind anyone not wearing special safety glasses.
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.