Mospeada SG Follow the movement of the pink dot for few complete rotations and then look at the black cross in the middle. You will notice a green dot that will erase all pink dots from the image.
Mospeada SG Hermann Grid The black dots you see are fleeting, and any individual dot will turn white as soon as you focus on it. Clearly, all the dot are actually white, yet at a glance we still perceive some of them as being black.
