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IR isn't just super red light, it's heat. Lol
by delfinom 2y ago
IR isn't just super red light, it's heat. Lol
- rcxdude 2y agoSo is regular light, in that sense. The IR that's used for this kind of application is 'near infrared', which is much closer to light than the IR emitted by most warm objects.
- erik_seaberg 2y agoIt's light, and some animals can see it, just not us. https://en.wikipedia.org/wiki/Infrared https://en.wikipedia.org/wiki/Infrared has some pictures from the right kind of cameras and telescopes.
- svachalek 2y agoIt is the primary frequency of black body radiation at Earthly temperatures. But it is not the heat itself.