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Knowledge Cats Dirty Minds
Physics behind them Nature Clouds

Knowledge

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

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

Locomotives in their natural habitat

Pareidolia (Seeing faces)

How to create optical illusion photos (for social media)

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:

Dead Man's Fingers
Long-haired Dog
Pixeled sky
Feeling deflated
Grid Illusion Shirt
Parked too long?
Larger than life
Floating Baby Boy
  • 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