The Drobo FS is extra-reliable storage and acts like a home server. Half of its processor backs up files across five hard drives, while the other half runs apps to give you a shared iTunes library and more. $700
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.