What's so mesmerizing about the multiverse?

Physicist Paul Halpern, author of 'The Allure of the Multiverse,' explores the history of the scientific quest for parallel universes. Topics discussed include the concept of the multiverse, bubble universes, the challenges of proving its existence, connections between dark matter and the multiverse, time travel and its connection to the multiverse, and the potential of a scientific comic book about the multiverse.