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Eyecon – Optical Illusions

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Knowledge Cats Dirty Minds
hidden message Pareidolia Animals

Knowledge

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

sorrowful rock face pareidolia

How do optical illusions work?

Squirrel Stereogram

Stereograms

Forced perspective image Pisa tower

Forced Perspective

World’s Worst Carpet

Wobbly floor

Source/credit: WHS Carpet

This must be the world’s worst carpet! The design makes it look like the floor is full of holes. It’s probably chosen to deter kids riding around on scooters or Segways. 

More optical illusions:

Up or Down?
The same image
Geometric Shapes
Larger than life
A Galaxy Far Away
110 pound squirrel
Giant lamps
Shadow
  • Pareidolia
  • Physical illusions
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The indentations look like footprints in the sand or artificial leather.

Artificial Leather

Nature

Yard Ghost

Yard Ghost

Ghosts