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Knowledge Cats Dirty Minds
Rocks Stairs Videos

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

Rorscharch inkblot

What Optical Illusions Reveal about You

Rainbows are illusions

Types of Optical Illusions

Gavin’s “girl” friend

Gavin's girl friend
Source/credit: Gavin of Sneaky Cycles

The bike seat is skin colored and sticking out between the legs of a girl wearing short shorts.

More optical illusions:

Cat Accident
Goal perspective
Giant bullfrog
Deformed Building
Misbehaving Shadow
Giant Party in the Skyline
One armed cat
Blend with nature
  • Pareidolia
  • Physical illusions
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Find the cat

Cat a log

Cats

Elvish writing

Elvish Writing

Objects