Now, log into your PC with heart scans

It may eventually be used for smartphones and at airport screening barricades, researchers said.
The system, developed by researchers at University at Buffalo (UB) in the US, is a safe and potentially more effective alternative to passwords and other biometric identifiers.

Scientists have developed a new computer security system that lets you log in with a heart scan – using the dimensions of the organ as a unique 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 computer. Full Story