Using heart size by scanning using doppler radar as a biometric

Forget fingerprint computer identification or retinal scanning. 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 computer.

Source: Goodbye, login. Hello, heart scan. – University at Buffalo

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