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Knowledge Cats Dirty Minds
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Knowledge

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

Rainbows are illusions

Types of Optical Illusions

Can animals see optical illusions? Hosico cat shows it with optical illusion rug

Animals and optical illusions

Bezold effect fabric

Bezold Effect

Big dog

Big dog looking over fence

Source/credit: deathakissaway

The buildup of the blizzard snow against the fence makes this big dog look enormous. In fact, he is just standing on the snow and looking over the top of the fence that is sticking out of the snow.

More optical illusions:

Sand Bear
Cup Half Full
Toy Cars
Parquet Floor
Eyeglasses
Firefall
Camouflaged kitty
Flying Cargo Ship
  • Pareidolia
  • Physical illusions
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Painting the sky

Painting the sky

Buildings

Invisible - viral photo of girl with mirror

Invisible

Mirrors