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Eyecon – Optical Illusions

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Knowledge Cats Dirty Minds
Geometry Mist Trees

Knowledge

Facts, science and history of optical illusions.
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Forced perspective image Pisa tower

Forced Perspective

Squirrel Stereogram

Stereograms

Rainbows are illusions

Types of Optical Illusions

Swamp monster

Penrhyn Castle in Wales looks like a swamp monster

Credit: Alan Moore

This is inside Penrhyn Castle in Wales. The windows in the dome look like the eyes of a swamp monster, in a classic case of pareidolia.

More optical illusions:

Sword-billed Hummingbird
Lap Tiger
High-rise buidings
Big Daddy
Dog head floating
Dog Head Mount
A Galaxy Far Away
Footprint in the sand
  • Pareidolia
  • Physical illusions
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Strained Expression

Objects

This photo was taken in Kazakhstan and quickly named 'Eye of God' by people online. Obviously, this is just a case of pareidolia.

Eye of God

Clouds