56:03Do We Live In The Real Universe?
This is the History of the Universe channel asking the oldest question in philosophy with the newest tools in physics: are we living in the real universe, or in a simulation running inside someone else's? It hangs the whole hour on Nick Bostrom's 2003 trilemma, the brutal little argument that says either civilizations like ours go extinct before they can build conscious simulations, or they choose never to, or we are almost certainly living in one right now.
