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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.

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

Forced perspective image Pisa tower

Forced Perspective

sorrowful rock face pareidolia

How do optical illusions work?

Exotic Bird

Exotic golden bird

Source/credit: Tiggywinkles Wildlife Hospital

A British Seagull covered in curry

More optical illusions:

Black hole
Transparent coffee cup
Giant Ship
Dock to the sky
Self-assembly
Fire demon
Ominous bird
Blend with nature
  • Pareidolia
  • Physical illusions
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UFO ready for takeoff

UFO

Buildings

A slate patio

This Patio

Floors