The "Jetson" system uses a laser to measure a person's heartbeat, which is apparently almost as distinctive as other biometric indicators.
The post The Pentagon Developed a Laser That Identifies People by Their Heartbeat appeared first on ExtremeTech.
from ExtremeTechExtremeTech https://www.extremetech.com/extreme/294183-the-pentagon-developed-a-laser-that-identifies-people-by-their-heartbeat
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