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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.

Forced perspective image Pisa tower

Forced Perspective

Bezold effect fabric

Bezold Effect

Prehistoric ambiguous illusion

The history of optical illusions in art

Cat Anus

Cat anus

Source/credit: dreadware8

The cat is obviously laying on a pipe, but at first glance you might think you are looking at the cat’s anus.

More optical illusions:

Goal perspective
Shadow cat
Big Dog
World's Worst Carpet
Blueberries
Inappropriately Dressed
Winter Tornado
Cat's face
  • Pareidolia
  • Physical illusions
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