Knowledge

Facts, science and history of optical illusions.
See all the articles or scroll down to see what you came for.

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

The history of optical illusions in art

Inferior and Superior Mirages, and Fata Morgana

Best for Stairs

Source/credit: Kobi Levi Design

These are high heeled shoes, without a heel, designed by Kobi Levi. If you still can’t figure it out, place your hand over the white space where the heel isn’t.
Or perhaps these shoes are just best for stairs.

More optical illusions:

Oh deer! It's a cat

Thats the cat's pajamas

Trail Runner Going into the Woods

Hole in Cat

Cats

Door handle

Objects