Despite its comical appeal, the illustration on the left depicts a real accident that occurred after an English stunt pilot smashed into a car while flying upside down. It wasn't the car's fault, of course, but as long as stunt flying was a trend, motorists were in danger of being ambushed by rogue aircraft. Luckily, the pilot involved in this incident escaped without harm.
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.