A British company called Thruvision has a new security camera that can see what's in your pockets from 80 feet ways. Using a technology based on terahertz (T-Rays), the camera operator can detect guns, bombs, drugs, and presumably snacks with high fat content. It works because all objects emit a low level electromagnetic signature - each is unique, so it can tell the difference between drugs and chewing gum.
Read all about it via the Thruvision homepage:
www.thruvision.com
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