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Knowledge Cats Dirty Minds
Camouflage and Mimicry Boats People

Knowledge

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

Parallax effect

Parallax Effect

sorrowful rock face pareidolia

How do optical illusions work?

Bezold effect fabric

Bezold Effect

Cat a log

Find the cat
Source/credit: waterhauler

The cat looks like a piece of firewood.
Middle stack, second piece of firewood from the top is not made of wood, but a light-orange tabby cat.

More optical illusions:

Magnus the Impaled
Music Notes
Giant lamps
Giant Party in the Skyline
NASA doctored photos?
Cross-stitch Cats
Transparent coffee cup
Giant in the Forest
  • Pareidolia
  • Physical illusions
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Street in Macau

The Invasion

Buildings

Elvish writing

Elvish Writing

Objects