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Knowledge Cats Dirty Minds
Boats Mirage Chairs

Knowledge

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

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Bezold effect fabric

Bezold Effect

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

Enormous snake

This enormous snake caught in Alabama in 2022 only looks huge thanks to a forced perspective photography technique.

Source: Chad Payne

This cottonmouth snake caught in Alabama in 2022 only looks huge thanks to a forced perspective photography technique.
By positioning the cottonmouth far in front of the man, it looks like an enormous snake. 

 

More optical illusions:

Pup Patrol
Blueberries
Floating helmet and wheel
A Lego bed
Pixeled sky
Goal perspective
Firefall
Fight against Cervical Cancer
  • Pareidolia
  • Physical illusions
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A giant bullfrog in Texas

Giant bullfrog

Animals

Minnie's dress on this Disney gift card looks like a penis

Minnie’s dress

a dirty mind