How do we know we're not living in a black hole? 🕳️ If you're watching Ri Talks but missing the Q&A, you're missing out. Here is a sneak peek from our recent conversation with theoretical physicist Sean Carroll. | Royal Institution of Great Britain

Theoretical physicist and philosopher Sean Carroll cuts to the bare mathematical essence of our most profound theories, explaining every step in his new book, "Quanta and Fields: The Biggest Ideas in the Universe". In this interview, Carroll uses the basics of quantum mechanics itself to explain measurement and entanglement before exploring how the world is really made of fields. Sean Carroll is Homewood Professor of Natural Philosophy at Johns Hopkins University, and Fractal Faculty at the Sant