RT @PopSci: Humans can only distinguish about 30 shades of gray -- do with this information what you will http://t.co/g5q65p5IJw http://t.c… 0 atbildes

Mareks Matisons™
(22.02.2015 0:48:50)
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RT @PopSci: Humans can only distinguish about 30 shades of gray -- do with this information what you will http://t.co/g5q65p5IJw http://t.c…