Guy gives his friend Enchroma color-correction glasses for his birthday. This was his reaction. The video also shows some color comparison towards the end.

Posted 9 years ago by seekerland in category: interesting   Comments (0)

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Euler's Disk is a scientific educational toy, used to illustrate and study the dynamic system of a spinning disk on a flat surface.

Posted 9 years ago by KlingShaft88 in category: interesting   Comments (1)

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Posted 9 years ago by adam2 in category: funny   Comments (0)