Colorization Optical Illusion

The picture below will turn into gray scale image after 10seconds of displaying. But if you try to stare at the negetive image long enough, You will be seeing a Colorful butterfly as at the above



Click image to enlarge


The maker; [Optical Illusion Etc] explained on how he made this trick on his site.


Here are afew more illusions on different pictures:

Johnsadowski
Wohba
Afterimage works



Tags: Colorization, Optical Illusion, Butterfly, Johnsadowski