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Knowledge Cats Dirty Minds
Impossible objects the tag: Physiological Illusions Chairs

Knowledge

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

The Dress blue black white gold

Color Constancy Illusions

Locomotives in their natural habitat

Pareidolia (Seeing faces)

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Christmas candle

Grandma's placemats with a christmas candle show a dirty optical illusion

Source/credit: BigPappa21

There is probably no explanation needed for this case of pareidolia. The Christmas candle and balls on these placemats speak for themselves.

More optical illusions:

Goofy Tree
Half Assed
Impossible woodwork
Hidden ad in advertisement page
Elvish Writing
Shadow
Big Bird
Misaligned Arrow
  • Pareidolia
  • Physical illusions
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The shadow of this cameraman on the shirt of the man on the right creates a dirty optical illusion

Foreshadowing

a dirty mind

The monument to Karla Havlíček Borovský, a famous Czech journalist, poet and writer, was naturally enhanced by wasps in 2022.

Naturally enhanced

a dirty mind