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serious science question

how many shades of gray can the human eye detect?

it was a brilliant thought that occurred to me while watching a b/w flick. to build on it…  

and how many colours in all? i dont mean the gradient plane. how many individual variants of colours does the human eye recognize?

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No Responses to “serious science question”

  1. abbas says:

    about ten million colours in the electromagnetic spectrum.

  2. Amad Ahmed says:

    24 shades of gray.

  3. hemlock says:

    amad: i dont want to google the source… elaborate please :) and hello!

    abbas: HAH! ten million colours in the electromagnetic spectrum and men dont understand fuchsia, melon or peach?

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