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Knowledge Cats Dirty Minds
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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.

sorrowful rock face pareidolia

How do optical illusions work?

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

Animals and optical illusions

Forced perspective image Pisa tower

Forced Perspective

Migrating horses

These migrating horses are actually shadows of zebras.

Source/credit: Beverly Joubert

These migrating horses are actually shadows of zebras. The stripes do work well as camouflage. However, the morning sunlight over the Makgadikgadi pans in Botswana casts long, visible shadows.

More optical illusions:

How many pipes?
Trail Runner Going into the Woods
Cat in the bag
Giant in the Forest
Rainbow Road
Blend with nature
Floating tree
Missing Chair Leg
  • Pareidolia
  • Physical illusions
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This Godzilla cloud is a case of pareidolia

Godzilla

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Footprint in the sand

Objects