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Knowledge Cats Dirty Minds
Art Rocks Ambiguous

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

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

Animals and optical illusions

Parallax effect

Parallax Effect

Kylie with a giant teddy bear

Kylie minogue with a giant teddy bear

Source/credit: Kylie Minogue

This innocent photo of Kylie Minogue holding a giant teddy bear was banned. After receiving the gift at a concert (back in 2010), she posted pictures of the moment on her Facebook page. Can you see why Facebook took it down?

More optical illusions:

Dock to the sky
Hidden cat
Half Assed
Gmork
Sword-billed Hummingbird
Music Notes
Fire demon
Perfectly Polished
  • Pareidolia
  • Physical illusions
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This baby ostrich looks so fluffy

Baby Ostrich

Birds

This fire demon signals the apocolypse

Fire demon

Nature