Post by KingOfPain on Dec 18th, 2008 at 1:35pm
or 
END PRINTPAGEStare at the center of the image above for at least 30 seconds. Then look at a blank white wall, or a piece of paper. What do you see?
*You may need to stare at the optical illusion longer than 30 seconds in order for the after image to be visible to your eye.
**Take your time, sometimes it takes an additional 20 seconds before your eyes can really focus on the after image.
Repeat for the image below.
***The after image of the black and white image above is much stronger than the one in color below.
or END PRINTPAGE