See through walls via wireless network
posted Oct 1st 2009 11:46am by Caleb Kraftfiled under: security hacks, wireless hacks
Researchers at the University of Utah have been able to detect movement in a room based on variations in wireless signals. Accurate to about a meter, they are using a 34 node wireless network to do their sensing. As a person moves, they change the signals, and can therefore be detected. They state one possible application being rescue workers deploying multiple wireless nodes around a building to find people located inside.
[via Gizmodo]
