The iPhone is hardly the first Apple product to be copied. Apple's popularity makes it an extremely profitable target. Anything from the basic design to the final product can be appropriated with varying degrees of quality.
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.