Knowledge

Facts, science and history of optical illusions.
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Can animals see optical illusions? Hosico cat shows it with optical illusion rug

Animals and optical illusions

Bezold Effect

How do optical illusions work?

Tetanus Rainbow

Source/credit: Eric Burgers

This tetanus rainbow was created without Photoshop tricks. The photographer chose the right perspective (and an ultra-wide angle) to capture this rusty faucet.

The trippy result is a great example of forced perspective photography.

More optical illusions:

Peacock with its head in the ground

Cars

Dead Man’s Fingers

Nature