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Knowledge Cats Dirty Minds
Nature Zombies Birds

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

How to create optical illusion photos (for social media)

Trippy Stairs

Mirror Step by Derek Paul Boyle

Source/credit: Booooooom

This is an art installation by Derek Paul Boyle and features a mirror step on outdoor stairs.
(It may be art, but can potentially cause many problems; slipping, tripping and upskirt voyeurism.)

More optical illusions:

Canoe in the Winter
Self-assembly
Off-road Truck Capabilities
Bushfire
Painting of the Ocean
Laurel the Tree
Impaled windshield
Tokyo View
  • Pareidolia
  • Physical illusions
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Cat with a hole in its body

Cat with a Hole

Cats

Sexy Birch Tree

Sexy Birch

a dirty mind