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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.

sorrowful rock face pareidolia

How do optical illusions work?

Parallax effect

Parallax Effect

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Skull

This skull optical illusion was created for the Penny Dreadful Season 3 poster.

Photo by: ©Freedom Moreno

This photo was created for the Penny Dreadful Season 3 poster. At first glance you may see a skull, but it is actually a man in dispair. 

More optical illusions:

110 pound squirrel
Unsuspecting Amputee
Enormous cat napping
Model ship on poles
Tokyo View
Impaled windshield
Bride Waterfall
God of all Cats
  • Pareidolia
  • Physical illusions
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This is Cascada la Novia (Waterfall of the Bride), a cascade in Peru.

Bride Waterfall

Nature

This photo of a bride kissing a fish instead of the groom is a physical optical illusion created by reflection.

Bride kissing a fish

People