Knowledge

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

Parallax Effect

The history of optical illusions in art

How do optical illusions work?

Big dog

Source/credit: deathakissaway

The buildup of the blizzard snow against the fence makes this big dog look enormous. In fact, he is just standing on the snow and looking over the top of the fence that is sticking out of the snow.

More optical illusions:

Grumpy tree

Giant Party in the Skyline

Painting the sky

Buildings

Invisible

Mirrors