10 January 2014

The lines in this checkerboard pattern are straight


An optical illusion by Akiyoshi Kitaoka, via Scientific American, where a video reveals the truth of the illusion.
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1 comment:

  1. JDJarvisJanuary 10, 2014 at 5:52 PM

    The horizontal lines are staright. My screen might be off because the vertical lines aren't straight (checked with a ruler).

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