Here’s why you can’t see all the black dots at once.
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So.
Paramount / Via relatably.com
Well, the image was originally posted to Facebook by the Japanese psychology professor Akiyoshi Kitaoka, who took it from an academic paper published in Perception by Jacques Ninio and Kent A Stevens, in which they looked at variations of the Hermann Grid.
Here is the Hermann Grid: dark patches appear where the lines cross, except when you're looking directly at an intersection.
from BuzzFeed - Kelly Oakes http://ift.tt/2ceDO5m
