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Originally posted by michael1983l
I have seen loads of inra red security lights that glow red, does that mean that I am a mutant too. Or is it that we all will see it?
I went into a dark room with a tv remote control. Then I waited a couple of minutes until my eyes adjusted to the dark. Then I pressed a button on the remote and I could see a very faint flickering brownish glow eminating from the IR LED.
I'm assuming this was just a sub-harmonic frequency generated by the non-linear characteristic of a diode, and it just happened to fall in the border of visible light.
Anyway, this was very neat. You guys can try it.
Sometimes I watch radio. But it's in black and white.
IR is just as bad for your eyes as visible bright light. You might not feel it blinding you, but it can damage your eyes if it were strong enough