Street-Fighting Physics! - Professor Kevin Kimball, BS, U.S.N.- retired
Another example of the beauty in science:
The most exquisite demonstration of
forces in equilibrium EVER!
 
 
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The Incredible Power Of Concentration - Miyoko Shida
Update:Below is a link to the video in which the Naissance of Sanddornbalance is explained by Author Mädir Eugster who is the directer of Rigolo Swiss Nouveau Cirque.http://english.cntv.cn/pro...
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