Paul Halpern presents: Edge of the Universe: A Voyage to the Cosmic Horizon and Beyond (Wiley, John & Sons)

Live and Interactive Discussion of Modern Ideas in Cosmology

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Chat with Paul Halpern, the author of 13 popular science books, about the frontiers of scientific knowledge about the universe. It will be your chance to ask him questions about dark matter, dark energy, the holographic principle, time travel, dark flow, black holes, the fate of the cosmos, or anything else you've wondered about the universe. For more information on Paul's book, please visit: