Science & technology

X-Ray Vision? DARPA Wants US Troops to See Through Walls

The human eye is one of evolution’s most impressive biological structures. Unfortunately, it’s not yet powerful enough for the US military: the Pentagon wants to develop technology to give troops X-ray vision.To hear the Pentagon tell it, traditional, everyday vision sounds like a bit of a drag. "Conventional optic imaging systems today largely limit themselves to…providing two-dimensional renderings of three-dimensional scenes…" reads an announcement from the Defense Advanced Research Projects Agency (DARPA), released last Friday.