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Facts, science and history of optical illusions.
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Prehistoric ambiguous illusion

The history of optical illusions in art

Rorscharch inkblot

What Optical Illusions Reveal about You

sorrowful rock face pareidolia

How do optical illusions work?

Puffy Face

This cute puppy creates a really strange optical illusion. It looks like a giant puffy face with large cheeks and a pouted mouth.

Credit: loganhudak

This cute puppy creates a really strange optical illusion. It looks like a giant puffy face with large cheeks and a pouted mouth.

More optical illusions:

Mesmerizing eye

A Starry Night Sky

Freak of Nature

Transparent coffee cup

Assorted Dried Beans

Dog jumping a giant hole

If you look closely at the headless woman, just above the shoulder, you can see an ear.

Headless Woman

People

Peacock with its head in the ground

Peacock with its head in the ground

Cars