It because of perception that the lit one and the shade one are view different, but colorwise are the same amount of r=g=b.. also why the blacker the person the more purple he looks.
Who watched the new episode of Doctor Who? Mind=fucked
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This poster is real, and is going to happen
Spoiler:
It's apparently going to be the most expensive porn film ever made.
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I have recently discovered a website known as symphony of science, it focuses on science lectures through music. Here is the link: http://www.symphonyofscience.com/