Since you're using lasers, how would you keep from damaging the subject's eyes i... | Hacker News

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		bilegeek on Feb 27, 2022 \| parent \| context \| favorite \| on: Heat people, not spaces (2015) Since you're using lasers, how would you keep from damaging the subject's eyes if they accidentally get their face in the path of the beam?

murbard2 on Feb 27, 2022 [–]

I suppose you could defocus it a bit so that it hits a biggish spot.

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