crwdns2935425:020crwdne2935425:0
crwdns2931653:020crwdne2931653:0
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We take off a filter that we guess blocks visible light, allowing only IR light into the camera.
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We use some high-tech hacking to prove our theory: tape, a cellphone, and a remote control.
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Voilà! Visible light filtered out, IR beam clearly shining through. Visual victory!
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0