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Knowledge Cats Dirty Minds
Floors Ghosts Food

Knowledge

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

Locomotives in their natural habitat

Pareidolia (Seeing faces)

Squirrel Stereogram

Stereograms

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Bone

Dog with bone

Source/credit: Ambitious-Lychee3912

This dog is chewing a bone. With half of the treat in its mouth, it looks like something else. Your dirty mind will imagine the rest.

More optical illusions:

Exotic Bird
Tokyo View
Floating either way
Stretchy Cat
Headless figure
Puffy Face
Skydiving Corgi
Firefall
  • Pareidolia
  • Physical illusions
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Male tree illusion penis

Male tree

a dirty mind

Curtains flapping in the wind

Flapping in the wind

a dirty mind