Carlo Rovelli: Loop Quantum Gravity & The Order of Time (#122)

Into the Impossible With Brian Keating

Carlo Rovelli

(born 3 May 1956) is an Italian theoretical physicist and writer who has worked in Italy, the United States and since 2000, in France. His work is mainly in the field of quantum gravity, where he is among the founders of the loop quantum gravity theory.

He has also worked in the history and philosophy of science. He collaborates with several Italian newspapers, in particular the cultural supplements of the Corriere della Sera, Il Sole 24 Ore and La Repubblica. His popular science book Seven Brief Lessons on Physics has been translated in 41 languages and has sold over a million copies worldwide.

In 2019 he has been included by the Foreign Policy magazine in the list of the 100 most influential global thinkers.

He is author of the international bestseller Seven Brief Lessons on Physics, Reality Is Not What It Seems, and The Order of Time. Rovelli lives in Marseille, France.

Already a bestseller in Italy, and written with the poetic vitality that made Seven Brief Lessons on Physics so appealing, The Order of Time offers a profoundly intelligent, culturally rich, novel appreciation of the mysteries of time.

http://www.cpt.univ-mrs.fr/~rovelli/

@carlorovelli

00:00:00 Intro

• 00:08:00 About the book, THE ORDER OF TIME
• 00:09:41 How did you get the idea for this book and deem it worthwhile?
• 00:13:43 Why do you think theology was an important issue for Stephen Hawking? Comments on the "boundary" problem.
• 00:16:40 The story of George Lamaître, Pope Pius XII, science and god.
• 00:32:35 Loop Quantum Gravity theory and variations in the speed of light.
• 00:35:22 Cosmic parity violation evidence from the Planck 2018 data release: a new experiment?
• 00:40:00 Is quantum gravity theory a tautology? What LQG predicts about black holes.
• 00:46:30 One of the greatest hypes in science?
• 01:00:30 Carlo's opinion on dark matter.
• 01:03:33 How can future experiments test quantum gravity theories?
• 01:05:17 Carlo proposes a quantum gravity lab experiment could prove quantum geometry.
• 01:10:30 Loop Quantum Gravity (LQG) masterfully explained. Is there a unit of quantum area?
• 01:22:15 Can quantum mechanics be simulated?

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