Multiverse theory inspired movie blockbusters like Marvel’s Dr Strange and Everything Everywhere All At Once – but the “Many Worlds” theory of multiple realities isn’t just science fiction. If the science is right, could there be another version of me out there somewhere? The Cosmological Inflating Multiverse, for instance, says that ours is but one universe among billions and no scenario, no matter how bizarre, can be ruled out. Can we prove that the Multiverse is science fact? Theoretical Physicist Dr. Sabine Hossenfelder joins us again on Why? to explain new areas of research in quantum physics – and ask if the Multiverse is real. Every Monday and Thursday WHY? takes you on a wild adventure to the edge of knowledge. Follow on your favourite app so you never miss an episode. WHY? is written and presented by Luke Turner. Audio production by Jade Bailey. Artwork by James Parrett. Music by DJ Food. Exec Producer: Jacob Jarvis. Lead Producer: Anne-Marie Luff. Group Editor: Andrew Harrison. WHY? is a Podmasters Production. Instagram | Twitter Learn more about your ad choices. Visit podcastchoices.com/adchoices