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Eyecon – Optical Illusions

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Knowledge Cats Dirty Minds
Clouds Art Buildings

Knowledge

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

The Dress blue black white gold

Color Constancy Illusions

Rorscharch inkblot

What Optical Illusions Reveal about You

Is this a bird or a rabbit?

Ambiguous illusions

Bent over the desk

A woman bent over a desk with her big butt in view

Source/credit: DrFetusRN

When you have seen the image more than 2 seconds, you will have noticed that this woman is not bent over the desk, and that the big butt is actually just the back of an office chair. 

 

More optical illusions:

Erased Street Art
Hand through a cat
110 pound squirrel
Big Seagull
Sun Dogs
Man Bun
PM Hummingbird
A Whale of a Cloud
  • Pareidolia
  • Physical illusions
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This fungus is named Xylaria polymorpha, but more commonly known as dead man's fingers. This example is a perfect illusion, with 5 digits and more shaped like a hand than other specimens. It really looks like a zombie is going to rise up from the ground.

Dead Man’s Fingers

Nature

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.

Gateway Arch

Landmarks