Physicist Max Tegmark, J. Gott, Juan Maldacena, Fotini Markopoulou, and philosopher John Leslie explore the interconnectedness of space and time as part of the same entity. They discuss the challenges of reconciling quantum theory with the continuous nature of space in general relativity. The podcast also delves into the cosmic particle smashing nature of the early universe, challenges the notion of the disappearing past, and contemplates the intricate relationship between space and time as active participants in reality.

Juan Maldacena, famous physicist known for his work on black holes and AdS CFT, joins Brian Keating to discuss topics such as human traversable wormholes, the multiverse, black holes, wormholes in movies like Interstellar, an economic analog to the Higgs Mechanism, and the fascination with time travel. They also explore the construction of a humanly traversable wormhole, the connection between non-Gaussianities and primordial gravitational waves, and the possibility of finding non-gassy entities in large-scale structure.