Knowledge

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

Prehistoric ambiguous illusion

The history of optical illusions in art

Locomotives in their natural habitat

Pareidolia (Seeing faces)

sorrowful rock face pareidolia

How do optical illusions work?

Goofy Tree

Goofy tree with a face

Source/credit: kcems

This goofy tree seems very content.

This is a nice case of pareidolia, where we see faces in random patterns such as tree bark, clouds or stars.

More optical illusions:

Flying Dutchman

NASA doctored photos?

Magnus the Impaled

Funny tree with a face

Funny tree with a face

Trees

The eye of a cyber poppy

Cyber Poppy

Flowers