FreeYork: Stare at this image and it'll disappear (you have to stare at the exact same point long enough - it's an example of Troxler's fading)

Saturday, June 14, 2014

Stare at this image and it'll disappear (you have to stare at the exact same point long enough - it's an example of Troxler's fading)

via FREEYORK http://ift.tt/1oqJ7NW

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