Optical illusion

[ekwat]

This one is very cool. The first part is o.k. but the next ones are simply incredible

YouTube - Amazing Animated Optical Illusions!


Edit :-
More

A beautiful mountain and lake

except the lake is actually a wall


A levitating boat

Beer?

or breast?

And this damn cat can't make up his mind which way to rotate

took me a while to see but it works

How about an audio illusion?

Ever increasing

This one is really good.

 

[witchy]

Nice find mate, the polorized ones are superb.

The audio one is pretty cool too.