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Knowledge Cats Dirty Minds
Mist Birds Objects

Knowledge

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

Superior mirages

Inferior and Superior Mirages, and Fata Morgana

Rainbows are illusions

Types of Optical Illusions

Prehistoric ambiguous illusion

The history of optical illusions in art

Clown

clown snake optical illusion pareidolia

Source: WOW_Peach_Girl

This clown is not painted on a rock.

The face you see is part of the pattern on a snake, that is coiled inside the nest.

More optical illusions:

Gravel flower bed
Transparent coffee cup
Firefall
Skull
Calm Lake
Big bottoms
Floating Black Cat
Not a brick
  • Pareidolia
  • Physical illusions
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unfortunate shadow penis

Unfortunate Shadow

a dirty mind

cracked wall caused by snake

Cracked Wall

Snakes