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Knowledge Cats Dirty Minds
Stairs Forced Perspective Landmarks

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

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Rainbows are illusions

Types of Optical Illusions

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:

Fight against Cervical Cancer
Pup Patrol
Skydiving Corgi
Blend with nature
Absolutely impossible
Stretchy Cat
Paperthin Building
Beautiful Caterpillar
  • 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.

Naturally enhanced

a dirty mind

90s Yellow Pages Ad

a dirty mind