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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 derefr on Thursday June 27, 2019 @07:21PM (#20299921)
Imagine if you will, though: getting to the point where these things can be mostly-3D-printed and pumped out in garages.

In est: guerilla drone war.

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