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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

sorrowful rock face pareidolia

How do optical illusions work?

Parallax effect

Parallax Effect

Rock Climbing

cactus rock climbing

Source/credit: lg240

This is a cactus going rock climbing. In a funny case of pareidolia, the cactus looks quite human with one leg up the rock wall. 

More optical illusions:

Raw Chicken
This Patio
Skywalker
Deformed Building
Flying Dutchman
Tokyo View
Legs up
Dog Log
  • Pareidolia
  • Physical illusions
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An Ent named Laurel

Laurel the Tree

Trees

Hidden Message

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