A technology in the works might soon allow you to unlock your hard drive by simply touching your keyboard. Your unique heartbeat, emitted through your fingertip, would be your password.
Chun-Liang Lin and his team at the National Chung Hsing University in Taichung, Taiwan translated a human heartbeat into an encryption key using an electrocardiograph reading from an individual's palm. Their unique series of thump-thumpa generated a secret key.
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