Thursday (8/20)
DR. PAUL HALPERN. The University of the Sciences physics professor — and author of 11 popular science books, including, “What’s Science Ever Done for Us? What the Simpsons Can Teach Us About Physics,” “Robots Life, and the Universe” — discusses his newest book, “Collider: The Search for the World’s Smallest Particles,” in which he provides an accessible look at the hottest topic in physics and the experiment that will transform our understanding of the universe. University of Pennsylvania Bookstore, 6:00 PM, FREE
