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Knowledge

Facts, science and history of optical illusions.
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Parallax effect

Parallax Effect

Rorscharch inkblot

What Optical Illusions Reveal about You

Can animals see optical illusions? Hosico cat shows it with optical illusion rug

Animals and optical illusions

Gateway Arch

The Gateway Arch in St Louis is an optical illusion. The arch is as tall as it is wide; 192 meters. But from nearly every angle it will seem much taller than it is wide.

Source/credit: JakeHuberMedia

The Gateway Arch in St Louis is an optical illusion. The arch is as tall as it is wide; 192 meters. But from nearly every angle it will seem much taller than it is wide. And you can’t really see the arch head-on when standing on the ground.

 

More optical illusions:

Giant Christmas Cat
A Galaxy Far Away
Grid Illusion Shirt
Rainbow Road
Trees wearing a tutu
Painting of the Ocean
Hand through a cat
Off-road Truck Capabilities
  • Pareidolia
  • Physical illusions
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A woman bent over a desk with her big butt in view

Bent over the desk

a dirty mind

Finally a more creative forced perspective photo at the Leaning Tower of Pisa. The photographer, Suíssas, is a very creative artist making optical illusion photos that are next level, like this Checkmate.

Checkmate

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