Carlo Rovelli and Christophe Galfard on the Architecture of the Universe

Does time exist? Was our universe born from a Big Bang, or from a Big Bounce triggered by a former universe imploding? Is this the only universe, or are there infinite ones, all expanding in parallel and out of sight of each other? These are just some of the questions that were tackled by world-renowned physicists Carlo Rovelli and Christophe Galfard when they came to the Intelligence Squared stage, in this event chaired by BBC science star Helen Czerski. Theoretical physics deals with matters at the very limits of human understanding. Einstein was once prompted to tell a student: ‘If you have understood me, then I haven’t been clear.’ In the face of this complexity, Rovelli and Galfard have found a way of explaining the mysteries of physics that has made them the most popular science communicators in their countries. In Italy, Rovelli has consistently outsold Fifty Shades of Grey with his book 'Seven Brief Lessons on Physics', which last year became a Sunday Times bestseller. Galfard — who gained his...

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