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Knowledge

A bit of knowledge on optical illusions. Or scroll down to see what you came for.

Prehistoric ambiguous illusion

The history of optical illusions in art

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

Animals and optical illusions

Rorscharch inkblot

What Optical Illusions Reveal about You

The Invasion

Street in Macau

Source/credit: Paul Tsui and National Geographic

This picture was entered into National Geographic travel photo competition by Paul Tsui. It depicts a real scene of Macau, with the Grand Lisboa Hotel looming in the background. 

More optical illusions:

Flying cat
Dog Log
Cat Head
Eye of God
Floating cat head
Two giants
Mesmerizing eye
Goal perspective
  • Pareidolia
  • Physical illusions
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Zombies attack

Zombie Attack

Zombies

Find the cat

Cat a log

Cats