“Is Our Universe a Simulation?” with Brian Greene

Neil deGrasse Tyson investigates the nature of reality, from quantum physics and string theory, to the multiverse and “The Matrix.” With theoretical physicists Brian Greene and Stephon Alexander, philosopher David Chalmers, co-host Maeve Higgins, Chuck Nice and Bill Nye. NOTE: StarTalk All-Access subscribers can listen to this entire episode commercial-free. Find out more at https://www.startalkradio.net/startalk-all-access/