Your Brain Develops the Negative
Instructions:
1. Stare at the red dot on the girl’s nose for 30 seconds.
2. Turn your eyes to a plain surface (your ceiling or blank wall).
3. Blink repeatedly and quickly. Tell me if that isn’t the coolest thing?
Hint: you may want to click on the image to get the larger size as that will work better than the smaller in-line image.

