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But I thought that the laser was in the range 780-790nm, which AFAIK is most definitely in the red end of the visible spectrum.P.S. I'm sure someone has asked this before but why not black, which by definition absorbs ALL wavelengths?
But I thought that the laser was in the range 780-790nm, which AFAIK is most definitely in the red end of the visible spectrum.
P.S. I'm sure someone has asked this before but why not black, which by definition absorbs ALL wavelengths?
