radar stories

While it's not quite x-ray vision (at least, not yet), this sensor is capable of detecting people through solid walls. It's being developed and tested in cooperation with the U.S. Army, in the hopes that technology like this will make it possible for soldiers to get some clues about what's inside a room before they have to go in.
The word "drone" usually conjures up images of the U.S. military's Predator, or similar unmanned aircraft. But there are helicopter drones, too, and Boeing's A160T Hummingbird just got a big upgrade — the ability to see through dense foliage.