Warp escribió:
> Orchid XP v7 <voi### [at] devnull> wrote:
>> That's... interesting. I'm fairly sure I read somewhere that for 
>> *greyscale* the human visual system can only distinguish about 16 
>> different levels.
> 
>   That's unusually easy to prove wrong. How many bars can you count in
> this image? http://warp.povusers.org/images/grayscales.png
> 
>   The number you counted is the amount of grayscales you can distinguish
> at least. (The true number is probably at least that times 10 or more.)
> 
First two and last two look quite similar from some angles (damned LCD 
screen). Also, the black ones look all similar (damned gamma; the world 
would be a better place if screens had had built-in gamma correction 
since the beginning).

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