Sean Carroll and Alan Guth discuss the quantum state of the universe.

Explore more:

• More from Mind Matter Conference in Tuscany, with Sean Carroll on Causality and the Arrow of Time
• Panel - Can Quantum Theory Consistently Describe Itself?: Moderated by David Wallace; Scott Aaronson, Lidia del Rio, Raphael Bousso, and Matt Leifer in the panel "Can Quantum Theory Consistently Describe Itself?" at the 6th International FQXi Conference, "Mind Matters: Intelligence and Agency in the Physical World."
• Miriam Frankel explores the nature of time with physicists and philosophers Sean Carroll, Emily Adlam and Natalia Ares, in episode one of Great Mysteries of Physics — a podcast series from The Conversation, UK, in collaboration with FQxI., "Is Time an Illusion? Great Mysteries in Physics Episode 1."