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Eyecon – Optical Illusions

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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.

Forced perspective image Pisa tower

Forced Perspective

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

How to create optical illusion photos (for social media)

Square shadow

Tree with square shadow

In this picture it looks like the tree has a square shadow. But in reality the light is coming from a side angle and not above. The square shadow is not cast by the tree.

More optical illusions:

Impossible woodwork
How many pipes?
Hidden ad in advertisement page
A Little Army
Monkey Selfie
Big dog
Impossible woodwork
Floating either way
  • Pareidolia
  • Physical illusions
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Coffee sign

Coffee

Shadows

sunken police car

Sunken police car

Cars