Carnegie Mellon University researchers have developed a technology that detects three dimensional shapes and movements of human bodies in a room, using only WiFi routers. By analysing radio waves ...

It turns out you don’t have to be from a distant planet or be involved in a chemical spill to have X-ray vision. Researchers have discovered a way to identify the human form through walls. Students ...

To figure out what’s on the other side of a wall or some other opaque barrier, you either need superpowers or a lot of expensive, heavy radar equipment. That might not be the case for long, though.

The US Federal Bureau of Investigation (FBI) plans to buy radar technology that can detect people on the other side of walls, whether they are moving around, standing still or even lying down. The ...