Space technology is about to make your visit to the dentist a little more comfortable. The same production technology that made the world’s tiniest rocket motor will be used to shrink those unwieldy plastic squares the dentist sticks in your mouth during an X-ray.
During an average day of knocking electrons loose from their host atoms with high-energy lasers, a team of European physicists uncovered the shortest time interval ever measured in nature. At about 20 attoseconds, the interval is indeed very short. That’s 20 billionths of one billionth of one second. Blink and you’ve missed it many, many times over again.
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.