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Knowledge Cats Dirty Minds
Ghosts Chairs the tag: Cognitive Illusions

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?

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

The Dress blue black white gold

Color Constancy Illusions

A Lego bed

Lego bed

Source/credit: OysterLucy

This 3D crocheted blanked is impressive. It’s the gray color looking like shading at the bottom of the boxes that make it look like a Lego bed.

More optical illusions:

Giant Cat
How many pipes?
Big Dog
Gravity hills
Impossible woodwork
Transparent coffee cup
Half Assed
Baby Ostrich
  • Pareidolia
  • Physical illusions
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that brass

That brass!

a dirty mind

concave and convex

The same image

Objects