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Questions related to the perception and measurement of light (primarily in the visible range), its mathematical description, the reproduction of colors by different means, color combinations, etc. Please use the tag [electromagnetic-radiation] if you want to refer to the general form of light.
2
votes
1
answer
576
views
Does fluorescence produce most of the colors we see day-to-day?
I read the following on Wikipedia regarding fluorescence,
Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation... The most striking examp …
9
votes
2
answers
45k
views
Why does mixing every paint colour produce gray instead of white?
I'm trying to reconcile these facts,
If I had paints of the primary colours and I mixed them together, I would produce gray.
White light contains every colour.
My most convincing attempt to answ …