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Eyecon – Optical Illusions

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Knowledge Cats Dirty Minds
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Knowledge

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

Bezold effect fabric

Bezold Effect

Squirrel Stereogram

Stereograms

Rorscharch inkblot

What Optical Illusions Reveal about You

Big Bird

Big Bird illusion

Source/credit: TeddyRivers

This is a classic example of Forced Perspective, with the bird being much closer than it seems at first. 

 

More optical illusions:

Stretchy Cat
Sword-billed Hummingbird
Best for Stairs
Square shadow
Deflated dog
Bird Strike
Square Fire Hydrant
Canoe in the Winter
  • Pareidolia
  • Physical illusions
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Ghostrider

Ghostrider

Bicycles

Escher drawing IRL

Escher drawing IRL

Cars