Killer drones that can see through walls.

Killer drones that can see through walls. - By William Saletan - Slate Magazine:

"or the last couple of days, in the Human Nature blog, I've been looking into a breakthrough cryptically reported in Iraq and Afghanistan: the ability of U.S. unmanned aerial vehicles to identify and track human targets 'even when they are inside buildings.' Several recently reported technologies might account for it, but Slate reader fozzy suggests looking for the answer in a military research field called STTW, usually translated as 'sense-through-the-wall.' "