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One concept I've toyed with for a while is a laser blanket. A ceiling mounted infrared camera measures the temperature across your body, and an infrared laser a
by murbard2 5y ago
One concept I've toyed with for a while is a laser blanket. A ceiling mounted infrared camera measures the temperature across your body, and an infrared laser automatically goes and "paints" any part that is insufficiently warm. No idea if it would be comfortable at all, but fun project.
- fmakunbound 5y agoI’m pretty sure that was pitched in an episode of Silicon Valley, except microwaves
- murbard2 5y agoIndeed https://www.youtube.com/watch?v=Di3fPj0pUbQ https://www.youtube.com/watch?v=Di3fPj0pUbQ Microwave frequencies used in ovens would be dangerous because they can penetrate deep in the body and heat internal tissues, but in the EHF range microwave heating could be safe. See for instance https://en.wikipedia.org/wiki/Active_Denial_System https://en.wikipedia.org/wiki/Active_Denial_System With all that said, what I had in mind is in the far less scary and far more prosaic near-infrared range.
- bilegeek 5y agoSince 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 5y agoI suppose you could defocus it a bit so that it hits a biggish spot.