Knowledge

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

Inferior and Superior Mirages, and Fata Morgana

Billie Eilish drawn in 3D by Stephan Pabst

Blueberries

Source/credit: Akiyoshi Kitaoka

Our brains understand that the strawberries in this image are red. It takes into account the blue lighting in the scene. However, if you examine this image with a color picker or as an artist, you will not find a single red pixel in this image. The phenomenon is called color constancy.