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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

Prehistoric ambiguous illusion

The history of optical illusions in art

Squirrel Stereogram

Stereograms

Mesmerizing eye

Sink draining looks like an eye

Source/credit: Liammm

A sink draining

More optical illusions:

Bushfire
Deflated dog
Floating either way
Smile!
Giant Party in the Skyline
Fried Chicken Tenders
Rainbow Road
Grumpy tree
  • Pareidolia
  • Physical illusions
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Woman standing with her back turned looks like a beard

Garnier for all hair types

People

Sutro tower in San Francisco fog

Flying Dutchman

Boats