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US military's 'Jetson' laser can ID your unique heartbeat hundreds of feet away | Technology News


US military's 'Jetson' laser can ID your unique heartbeat hundreds of feet away



The U.S. military could soon spot you in a crowd — not by your face or your gait, but by your unique heartbeat rhythm. The Pentagon recently developed and tested a laser that can scan and distinguish the pitter-patter of your heart from up to 650 feet (200 meters) away. 

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