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Knowledge Cats Dirty Minds
Ambiguous Videos Birds

Knowledge

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

sorrowful rock face pareidolia

How do optical illusions work?

Parallax effect

Parallax Effect

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

Sunken police car

sunken police car

Source/credit: Tampa Police Department

This police car is not sunken in the pavement of the road. Instead there was a lot of flooding and the dirty water in the ditch looks just like the road. 

More optical illusions:

Back to School
Big women
Unsuspecting Amputee
Scale Model of a Courtyard
Cat Head
Best for Stairs
Headless Man
Impossible woodwork
  • Pareidolia
  • Physical illusions
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Tree with square shadow

Square shadow

Shadows

Sun dog optical illusion real

Sun Dogs

Nature