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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?

Parallax effect

Parallax Effect

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Bride Waterfall

This is Cascada la Novia (Waterfall of the Bride), a cascade in Peru.

Photo by: Mark Rees

This is Cascada la Novia (Waterfall of the Bride), a cascade in Cajamarca, Peru which creates a beautiful optical illusion. Legend has that a heartbroken bride wished it into creation after her fiancé was shot dead by her father.

More optical illusions:

Birds are not Real
Parrot
Amish Men using a Truck
Pup Patrol
Strained Expression
Beach Yeti
Cat's face
Boiling a bird
  • Pareidolia
  • Physical illusions
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This dancing twigs art is an example of pareidolia

Nature’s Dance

Nature

This skull optical illusion was created for the Penny Dreadful Season 3 poster.

Skull

People