Lee Smolin: String Theory Is Still Wrong

Lee Smolin is a physicist at the Perimeter Institute who Is a vocal critic of string theory. He is fascinated by quantum gravity, contributing to two major theories, loop quantum gravity and deformed special relativity. He proposed ‘cosmological natural selection’: a falsifiable mechanism to explain the choice of the laws of physics.

He has also contributed to quantum field theory, the foundations of quantum mechanics, theoretical biology, the philosophy of science and economics. He is the author of more than 150 scientific papers and numerous essays and writings for the public on science.

He also has written four books which explore philosophical issues raised by contemporary physics and cosmology. These are Life of the Cosmos (1997), Three Roads to Quantum Gravity (2001), The Trouble with Physics (2006) and Time Reborn (2013). Most recently, he coauthored The Singular Universe and The Reality of Time with Roberto Mangabeira Unger.

00:00:00 Intro 00:01:17 Is physics still in trouble after 40 years? 00:01:42 Quantum materials is a bright spot 00:04:00 String Theory is still wrong! 00:05:58 Loop Quauntum Gravity’s origins 00:21:30 Emergent Spacetime 00:35:37 The cosmic microwave background and the advent of chirality in quantum physics 00:46:32 Thoughts on the multiverse 00:57:50 Can creativity be taught? 00:60:00 The Thrilling three ™

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