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Knowledge

Facts, science and history of optical illusions.
See all the articles or scroll down to see what you came for.

The Dress blue black white gold

Color Constancy Illusions

Rorscharch inkblot

What Optical Illusions Reveal about You

Bezold effect fabric

Bezold Effect

Mammogram

Mammogram ad bald men illusion

Credit: Liga Contra el Cancer

This ad campaign for Liga Contra el Cancer used two bald men to promote the use of mammograms to detect cancer.

More optical illusions:

Next to the boat
Unsuspecting Amputee
Underwater Waterfall
Giant Party in the Skyline
Sand Bear
Up or Down?
Legs up
Mysterious tree
  • Pareidolia
  • Physical illusions
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Knees and toes sexy illusion ad campaign

Knees and toes

a dirty mind

Billboard illusion

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