Archive for April, 2009

It seems difficult to believe but these drawings are nothing more than chalk on the surface of a pavement leading to perspective effects inducing dizziness and vertigo.

Rescue

Waterfall

Source: Julian Beever.

Rotate it upside down and the hussar becomes its own horse.

 

Simply rotate one and you get the other.

 

Not a pure optical illusion, but a compelling illusion.