MUST SEE - Russia tests world's most powerful bomb, airforc

http://www.playANDwatch.com -- Russia tests world's most powerful bomb -- The Russian military says it has successfully tested the world's most powerful non-nuclear bomb. The device is said to be as potent as an atomic explosion, but without radioactive fallout. Until now, the U.S. had the most powerful vacuum bomb, which was tested in 2003.