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Knowledge Cats Dirty Minds
the tag: Cognitive Illusions Pareidolia Impossible objects

Knowledge

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

Is this a bird or a rabbit?

Ambiguous illusions

How to create optical illusion photos (for social media)

Squirrel Stereogram

Stereograms

Assorted Dried Beans

Shades of sheep in pens look like dried beans in this drone photo.

Source/credit: James Sexton

These assorted dried beans are actually just different colored sheep in pens at the Jamestown livestock markets. This drone photo is taken from so high that you easily recognize the sheep. And without surrounding context it is a classic case of Forced Perspective.

More optical illusions:

Two giants
Misbehaving Shadow
Tetanus Rainbow
Tokyo View
Angel
Lap Tiger
Confusing pants
Sword-billed Hummingbird
  • Pareidolia
  • Physical illusions
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Galaxy far away at Burning Man

A Galaxy Far Away

Nature

Missing Chair Leg

Chairs