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A comment on Pentagon has a laser that can identify people at a distance by their heartbeat. Parent comment

Re:Pentagon has a laser that can identify people at a distan... by freeflight on Thursday June 27, 2019 @10:47AM (#20294878)
> It was being pitched as the ideal way to assassinate people in a crowd - identify them by heartbeat signature, fly a drone in to drop a small explosive package on their heads.

Reminds me of this little presentation [0]

[0] https://youtu.be/9CO6M2HsoIA

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