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Knowledge Cats Dirty Minds
Videos Chairs Physics behind them

Knowledge

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

Squirrel Stereogram

Stereograms

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Prehistoric ambiguous illusion

The history of optical illusions in art

Tsunami in Ohio

Tsunami in Ohio

Source/credit: Intermeatconnection

During a storm in Ohio in 2022, people spotted these clouds that look like a tsunami rolling in.

More optical illusions:

Splash!
The Invasion
Pixeled sky
Skydiving Corgi
Confusing pants
Big women
Trail Runner Going into the Woods
Echidna kitten
  • Pareidolia
  • Physical illusions
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Whale of a cloud

A Whale of a Cloud

Animals

Volcano ash cloud pareidolia

Magayon and Pangaronon

Clouds