Try This

Follow the instructions.

1.- Click on the link below2.- Then "click me to get trippy",3.- Look at the center of the screen for 30 seconds (no cheating), and then 4.- Look at your hand holding the mouse, without moving it away from the mouse. You'll be shocked at what you see.     ( it is called "cenesthetic hallucination")      http://www.neave.com/strobe/