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An Optical Illusion?

optical illusion

The top box is darker right?

Here’s how you can be sure:

Cover the borderline that separates the two with your finger.

:D

[via Today I Learned Something New]

4 Responses to “An Optical Illusion?”

  1. Randal Kay
    May 23, 2012 at #

    SWEET!

  2. May 24, 2012 at #

    Now you’re just messing with us.

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