A new non-contact, remote biometric tool could be the next advance in computer security

A University at Buffalo-led team has developed a computer security system using the dimensions of your heart as your identifier. The system uses low-level Doppler radar to measure your heart, and then continually monitors your heart to make sure no one else has stepped in to run your computerThis is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video