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Knowledge Cats Dirty Minds
Rocks Uncategorized Nature

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)

Tree Mural

Tree mural

Source/credit: Liamers

This tree mural is actually the shadows of two different trees. The branches of the mural are created by the tree in the image. But the foliage comes from a tree behind the photographer. You can see its trunk on the ground.

More optical illusions:

Headless player
Perfectly Polished
Back to School
Lake View Garden
Parking ramp
Headless Man
Dog head floating
Sunken Yacht
  • Pareidolia
  • Physical illusions
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Canoeing in a winter wonderland

Canoe in the Winter

Nature

Half cup

Cup Half Full

Objects