Showing posts with label ghost stubby surfboard optical illusion. Show all posts
Showing posts with label ghost stubby surfboard optical illusion. Show all posts

Saturday, March 1, 2008

Ghost Board

Look steadily, for at least thirty seconds, at the X mark near the nose of the surfboard, and then at a sheet of paper, a wall or a ceiling. A ghostly board will appear before your eyes. By increasing the distance, the apparition will increase in size. More ...