Gravity-defying ramps take illusion prize

 . Kokichi Sugihara stand onstage. A screen behind him begins playing a video.  A cardboard structure appears, consisting of four ramps ascending to a raised platform.
 
A hand places a wooden ball at the base of a ramp, and it rolls uphill, before stopping on the 'super-magnetized' platform. As the same trick is repeated for the other three ramps, the crowd lets out an "ooh".
 
Only there is no super-magnet. He's a mathematician at Meiji Institute in Kawasaki, Japan, and his display is — officially — the world's best visual illusion.


 http://www.bioedonline.org/news/news.cfm?art=6349
 
 
 
 
 

 

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