04/20/2012 12:54 pm ET

Security Sensors That Can See Through Walls

Imagine a real-life version of Harry Potter's magical Marauder's Map, which showed the location of everyone prowling throughout Hogwarts castle. That's what startup Xandem is building: a new kind of all-seeing motion-detection system that's poised to shake up the security market.

Read more on Aol Gov