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Knowledge Cats Dirty Minds
Shadows Color Constancy Ambiguous

Knowledge

Facts, science and history of optical illusions.
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The Dress blue black white gold

Color Constancy Illusions

Superior mirages

Inferior and Superior Mirages, and Fata Morgana

Is this a bird or a rabbit?

Ambiguous illusions

Wind turbines

Wind turbines illusion

Source/credit: gsuhrie

What happened in this photo is that it was a long exposure photo. The blades have become invisible, and the shadows of the poles are cast onto the blades instead of just in the sky. 

More optical illusions:

How many?
Horse Head
A Festival for Ants
Cat with a Hole
Next to the boat
Floating cat head
Blend with nature
Floating Black Cat
  • Pareidolia
  • Physical illusions
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