This guy is amazing You have to see it to believe it.
He suposedly learned how to do this math in the 5th Grade.....
Watch it until the end. Amazing!!
He is unbelievable. How does he do it?
Code:
http://static.videoegg.com/ted/flash/fullscreen.html?v=/ted/movies/ARTHURBENJAMIN-2005&cid=/ted/movies
The question is (

) why ?