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Knowledge Cats Dirty Minds
Mist Rocks the tag: Physiological Illusions

Knowledge

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

Bezold effect fabric

Bezold Effect

Can animals see optical illusions? Hosico cat shows it with optical illusion rug

Animals and optical illusions

Squirrel Stereogram

Stereograms

Sword-billed Hummingbird

sword-billed hummingbird
Credit: 9VoltGorilla

This is NOT a sword-billed hummingbird, but rather a normal hummingbird perfectly lined up with the crack on the floor.

More optical illusions:

Dog jumping a giant hole
Cargo in the sky
Shoebill?
Enormous cat napping
Skull
Floating tracks
Bride kissing a fish
Nobody's cow
  • Pareidolia
  • Physical illusions
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impossible woodwork

Impossible woodwork

Objects

dirty mind illusion with an exxxtra leg

Exxxtra leg

a dirty mind