Jim Rantschler and Randy Morrison discuss physics from elementary particles to cosmological effects at the limits of our theoretical knowledge or have recently emerged.
https://www.podomatic.com/podcasts/physicsfrontiers-rantschler
episode 55: Multiversality
Jim and Randy discuss the rationales for multiverses based on quantum mechanics, string theory, and the anthropic principle.
Show Notes: http://frontiers.physicsfm.com/55