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Knowledge

Facts, science and history of optical illusions.
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Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

Locomotives in their natural habitat

Pareidolia (Seeing faces)

Squirrel Stereogram

Stereograms

Smile!

This bird has teeth.

Source/credit: Imgur

This is a forced perspective image of a parrot with a beautiful smile.

The lady sitting behind the parrot lines up perfectly with its beak, making it look like the bird has teeth.

More optical illusions:

Big women
Dog Head Mount
Eyeglasses
Dude, where is my car?
Bride kissing a fish
Giant Cat
Dog Log
Dog jumping over Manhattan
  • Pareidolia
  • Physical illusions
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The top of a tree blew off in a storm and fell upside down. Now it looks like an Ent walking in the forest.

Ent walking

Trees

Pigeons sitting on wires creating shit music

Shit music

Birds