Reply #1 Top
Actually, its a .png.

Neat illusion nonetheless...
Reply #2 Top
That is so weird!  The brain works in mysterious ways.
Reply #3 Top
I made a tiliable version of this. I had set it as wallpaper once. I got really dizzy. And yeah, it's not really animated at all. It's your own brain animating it!
Reply #4 Top
That is cool! Close one eye and you can make more than one stop too.
Reply #5 Top
That's freakin' awesome! I love it! Thanks for sharing that!