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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.

Parallax effect

Parallax Effect

Forced perspective image Pisa tower

Forced Perspective

Bezold effect fabric

Bezold Effect

Hole in Cat

Hole in cat illusion

Source/credit: SamMac62

This cat has a patch of fur shaved and his skin is the same color as the carpet, making it look like a hole in the cat.

More optical illusions:

A couple of cars in a parking lot
Toe socks?
Cat's face
Beautiful Caterpillar
Beach Yeti
Not a brick
Lap Tiger
NASA doctored photos?
  • Pareidolia
  • Physical illusions
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Tribesman of North Sentinel Island

North Sentinel Tribesman

People

Kobi Levi shoes. best for stairs

Best for Stairs

Objects