What's Reality?

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Find out how our understanding of the nature of reality has changed radically over the past 25 years. Leonard talks to physicist Frank Wilczek, author of Lightness of Being: Mass, Ether, and the Unification of Forces.

Event: Frank Wilczek will be speaking Monday, September 15 at 6:30 PM New York Academy of Sciences 7 World Trade Center, 40th Floor 250 Greenwich Street at Barclay Street