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Invisible Sign
Image by Caza_No_7
This pointer in Grappenhall is unloved. Everybody ignores it. Either that or there’s a really large rabbit that keeps upon foot a same route opposite a field?? May be a pointer should contend "Enjoy a panorama as well as smile"?
Invisible Sign: How to have pointer invisible to tellurian though manifest to camera?
Hi
I’m acid for a little directions where i could ask about if i can have invisible signs that would be manifest in infrared
Best Reply:
Answer by Ajames
since infra red is fundamentally heat, your camera would only need to see things that have been warm. so to have a pointer we only have to have a letters or black (whatevers upon your sign) somewhat warmer than a rest of a sign.
there have been multiform ways we can do this, we can have tools of a pointer out of opposite materials so that a little catch feverishness some-more than others as well as only paint them so they demeanour a same to humans, though to an infrared camera it would be means to see that tools have been warmer
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