Drug runners and pirates beware: a Navy helicopter drone made its first official drug bust on April 3. The U.S. Navy Fire Scout stealthily tailed a "go-fast" boat suspected of carrying narcotics for three hours, and captured video of the boat's refueling rendezvous with a fishing vessel. Not a bad outcome for started as a "routine test flight," according to Navy reports.
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.