Anyone can plug their laptop into this laser printer and be ready to go in a minute. That’s because 64 megabytes of onboard memory hold all its driver software, which automatically installs on any Windows computer connected via USB. $230
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.