glassdave
Founding Member / Competitor
stare at the dot in the center of the image
then do it again without staring at the dot. The second image is actually black and white.
http://www.youtube.com/watch?v=7knnO4vKgXg&feature=rec-HM-fresh+div
.
then do it again without staring at the dot. The second image is actually black and white.
http://www.youtube.com/watch?v=7knnO4vKgXg&feature=rec-HM-fresh+div
.