illusion optic.. part 1

true circle or not ??


Every Line Is Straight!

Blue Line Square


Look at the red lines, do they appear to be wavy?

Which line is longest, AB or BC?
 same

Does one appear to be larger than the other?


Read more: Sphere Size http://www.weirdfacts.com/optical-illusions/2920-sphere-size.html#ixzz1w2wG3Ocq


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