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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.

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Rainbows are illusions

Types of Optical Illusions

Rorscharch inkblot

What Optical Illusions Reveal about You

Pixie Skulls

Snapdragon seed pods looking like pixy skulls

Source/credit: Kochamchleb

These pixie skulls are actually the seed pods of snapdragons. After the beautiful flowers dry, these pods are left on the stem. They will spread the seeds for the next season.

Snapdragon flower

More optical illusions:

Broken Chair
Scale Model of a Courtyard
Big Seagull
Ominous bird
What big mouth you have!
Hidden cat
Peacock with its head in the ground
Giant Broccoli
  • Pareidolia
  • Physical illusions
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Flaming Hot Girl

People

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Jupiter

Nature