Thermal scope on a 50 BMG does this already. | Hacker News

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		geggam on Nov 7, 2018 \| parent \| context \| favorite \| on: Researchers “see” through walls using ambient Wi-F... Thermal scope on a 50 BMG does this already.

dsfyu404ed on Nov 7, 2018 | [–]

If you know what you want to kill is inside you can just point an AT4 at the building and press the bang switch. I guess .50bmg is a lot cheaper to use at scale though.

wang_li on Nov 7, 2018 | [–]

Where do you live that walls are transparent to infrared radiation?

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