The Secret Ingredient That Powers Supernovas

On February 23, 1987, neutrino physics changed forever. Here, particle physicist Lawrence Krauss of Arizona State University explains at the 2012 World Science Festival program, The Elusive Neutrino and the Nature of the Cosmos, how a rare sighting of an exploding star—a supernova—allowed physicists to confirm with exquisite precision their mathematical predictions for neutrino behavior.

Original program (Above in the Second Video.) Date: June 1, 2012

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