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Knowledge

Facts, science and history of optical illusions.
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Can animals see optical illusions? Hosico cat shows it with optical illusion rug

Animals and optical illusions

Bezold effect fabric

Bezold Effect

Squirrel Stereogram

Stereograms

A Whale of a Cloud

Whale of a cloud

Source/credit: Karzdan

The whale of a cloud (spotted over Texas in 2020) is a great example of pareidolia, when you see images in random patterns.

More optical illusions:

Funny tree with a face
Deformed Building
Cat Anus
Headless Man
Dogs sharing a mouth
Giant Cat
Solar Eclipse
Migrating horses
  • Pareidolia
  • Physical illusions
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Howling wolf cloud

Howling Wolf

Animals

Tsunami in Ohio

Tsunami in Ohio

Clouds