Cool optical illusions

Is this square actually square, or is it bent?

Swirling dots as they go down the toilet..

Look at all those blue dots floating in a sea of green dots!

Damn crossword puzzles…
So these were from this website, I’d highly recommend visiting it when you get a chance!
Popularity: 31% [?]

May 6th, 2008 at 8:09 am
WOW THOSE ARE SOOO COOL! I dont know if that square is bent, sure looks like it though!!! that blue/green dot one makes me sea sick LOL!!! good looking out those are cool!!!