Knowledge

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

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

sorrowful rock face pareidolia

How do optical illusions work?

Her Only Fan

This man with glasses in front of a woman is her only fan. The image is a very dirty optical illusion. Or is it your mind?

Credit: deleted post on r/WTF

This man with glasses in front of a woman is her only fan. The image is a very dirty optical illusion. Or is it your mind?

The oldest source seems to be Reddit/WTF. However, the original image has since been deleted on the internet.

More optical illusions:

Lake View Garden

Birds are not Real

Floating either way

Floating Black Cat

Reflective bird

Sword-billed Hummingbird

This is a big daddy dog looking proud

Big Daddy

Dogs

These deadly stairs look wrong for a second, until you blink. If you can see it only in one way, just scroll up and down and you will see the other way appear.

Deadly stairs

Stairs