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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.

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Prehistoric ambiguous illusion

The history of optical illusions in art

Is this a bird or a rabbit?

Ambiguous illusions

Snake cat

Snake cat

Source/credit: 友藍赫晴

This “unidentified creature with the head of a cat and the body of a snake” is not a snake cat, but instead Lan Heqing’s tabby cat Euro resting on a mattress. 

 

More optical illusions:

A Little Army
Not a brick
Magayon and Pangaronon
Feeling deflated
Mesmerizing eye
Long-haired Dog
Blueberries
Misbehaving Shadow
  • Pareidolia
  • Physical illusions
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Caterpillar illusion

Beautiful Caterpillar

Birds

The grinch cat optical illusion

The Grinch

Cats