radar stories

 
The TSA often has to deal with some fairly angry customers after their routine pre-flight grope-downs, but the military has it way, way worse: some of the people they have to handle may actually explode. A new radar system will keep everyone much safer thanks to its ability to perform virtual pat-downs from 100 yards away.
 
What's in your backpack? Pens? Pencils? A laptop? Psh. Weak, dude. This backpack has portable radar system that can see through walls and send a live 3D map of the next room and everything (and everyone) in it straight to your smartphone.
 
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.