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Knowledge Cats Dirty Minds
Buildings Floors Art

Knowledge

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

Rainbows are illusions

Types of Optical Illusions

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Parallax effect

Parallax Effect

Poodle or Cocker Spaniel?

Poodle on the beach

Source/credit: frgn8

This case of pareidolia doesn’t need much explanation. But if you thought that this is actually a cocker spaniel, you are wrong. It is a poodle!

More optical illusions:

Boiling a bird
A Starry Night Sky
Dead Man's Fingers
Delivery car
Mysterious tree
If it fits...
Raw Chicken
Geometric Shapes
  • Pareidolia
  • Physical illusions
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The monument to Karla Havlíček Borovský, a famous Czech journalist, poet and writer, was naturally enhanced by wasps in 2022.

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a dirty mind

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a dirty mind