In this excerpt from the latest lecture at Great Big Ideas, the new online course offered by The Floating University, Dr. Michio Kaku, Henry Semat Professor of Theoretical Physics at CUNY, explains that while some inventions will remain forever confined to the pages of science fiction novels, many of the innovations we've dreamed up in books - warp drive, star gates, portals through space and time - will one day make the leap in to living rooms everywhere, like the television set did in 1948.
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