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β€œWhy I Went to WAR with Stephen Hawking!” Leonard Susskind (364)

2023-11-05 Science & Technology
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Dr Brian Keating
Dr Brian Keating
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Please join my mailing list here πŸ‘‰ https://briankeating.com/list to win a meteorite πŸ’₯ What's really going on in a black hole? Why are there so many theories of everything? Did Leonard Susskind, one of the fathers of string theory, ever feel like an impostor? And why did he fight with Stephen Hawking? Find out in this thrilling interview with none other than Susskind himself from 2020. Susskind is an American physicist and a professor of theoretical physics at Stanford University. He is also the founding director of the Stanford Institute for Theoretical Physics. In 1995, Susskind was the first to give a precise string-theoretic interpretation of the holographic principle and the first to introduce the idea of the string theory landscape in 2003. In this interview, we discuss Susskind's popular science book, The Black Hole War, which covers the black hole information paradox and the related scientific dispute between Stephen Hawking and Susskind himself. We also talk about other developments in modern physics and more! Join this channel to get access to perks: https://www.youtube.com/channel/UCmXH_moPhfkqCk6S3b9RWuw/join Key Takeaways: Intro (00:00) The difference between writing for broad and small audiences (05:41) Impostor syndrome (08:43) The first image of a black hole (18:40) The horizon of a black hole and the existence of a singularity (21:13) Mathematician envy (35:58) Why are there so many theories of everything? (43:15) Three things that would push him to believe in the Multiverse (47:32) Audience questions (56:14) Who would Lenny have for coffee? (1:04:41) What would he put in his ethical will? (1:09:58) Outro (1:16:41) β€” Additional resources: πŸ“š The Black Hole War by Leonard Susskind: https://a.co/d/a9WGKAc Topic: Leonard Susskind's Discussion on Various Scientific and Philosophical Concepts - The constants of nature and the laws of physics in different regions of the multiverse - The search for life outside of Earth vs. fundamental particle physics - The simulation hypothesis and the laws of physics as algorithms - Variation in ways of describing and thinking about objective facts across civilizations - Consciousness and its nature - The impact of social media on science and public trust - The challenges faced by scientists and the potential for ridicule - The discovery of black holes and the triumph of observation and experimental physics - The existence of singularities and the nature of the Big Bang - Advances in computer science and artificial intelligence in understanding consciousness - The desire to have discussions with scientists from the past - The loss of interest in solving puzzles as one gets older - Following curiosity and not blindly adhering to others' opinions in science - Leonard Susskind's experience with Stephen Hawking and his frustration with Hawking's stubbornness - Writing a book on the quantum mechanics of gravity - Lenny's upbringing and rise to becoming a member of the National Academy of Sciences - Hawking radiation and the black disc formed around a black hole - Perturbations to a black hole's horizon observed through gravitational waves - Doubts about cosmic singularities - The importance of speaking out against evil tendencies in society - Lenny Susskind's hobbies outside of physics - Evaluation of theories and the role of mathematics in physics - The gauge of string theory's worthiness of pursuit - The multiple theories of everything and their potential equivalence - The fascination with eternal inflation and the endgame of the universe - Lenny's feelings of imbalance and discomfort in the academic world during his early years - Violations of the laws of physics and the second law of thermodynamics - The multiverse concept and its arguments against anthropic or fine tuning principles - Differing opinions on the multiverse concept, including religious and scientific perspectives - Environment-dependent laws of physics and the example of gravity's acceleration Note: The sub-topics provided here are not exhaustive and may not necessarily follow the same sequential order as presented in the text. πŸ“Ί Watch my most popular videos: Neil Turok https://www.youtube.com/watch?v=Dt5cFLN65fI Frank Wilczek https://youtu.be/3z8RqKMQHe0?sub_confirmation=1 ➑️ Follow me on your fav platforms: βœ–οΈ Twitter: https://twitter.com/DrBrianKeating πŸ”” YouTube: https://www.youtube.com/DrBrianKeating?sub_confirmation=1 πŸ“ Join my mailing list: https://briankeating.com/mailing_list ✍️ Check out my blog: https://briankeating.com/blog.php πŸŽ™οΈ Follow my podcast: https://briankeating.com/podcast Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known. Make sure to subscribe so you never miss an episode! #intotheimpossible #briankeating #leonardsusskind

Top Comments (10)

@daniel-bertrand 2023-11-07

So grateful that Professor Susskind released his Stanford 101 courses on youtube as well as many of his lectures for all eyes to see. That's more than 200 hours of freely available content. Shows he is not only a talented researcher but also an incredibly skilled teacher. Also, grateful Nick Zentner from University of Central Washington released his 101 classes and ongoing studies on youtube. As a committed hiker, I feel less stupid whenever I stumble on a stone, watch the next ridge, or contemplate the stars at night. Puts things physical in perspective.

26 2 replies
@DrBrianKeating 2023-11-05

Was Stephen Hawking right or wrong about the Black Hole information loss paradox? And Please join my mailing list here πŸ‘‰ briankeating.com/list βœ‰οΈ for more resources from this episode!πŸ˜…

23 21 replies
@john.ellmaker 2023-11-05

Im glad to see him interviewed again. I hope he will do more, there is a big audience eager to hear him talk more

17 1 replies
@RustInPeace43 2023-11-05

Leonard Susskind is a great communicator of science. His Demystifying the Higgs Boson talk is fantastic.

11
@oldionus 2023-11-29

Absolutely love this intelligent conversation between two public intellectuals, each of whom has a sense of humor and cares more about knowledge than ego.

8
@Paine137 2023-11-06

Penrose said several times that Hawking was β€œbullied” into changing his mind. I’ve always wondered about the details behind that remark.

7 2 replies
@ExhumedPutrifact 2023-11-05

That was awesome, hands down one of the most likeable and interesting physicists as well as being a living legend - what great chat that was!

6
@kostoglotov2000 2023-11-05

Roger Penrose tells us that information is not lost, but it is removed. all information is imbedded in space time, where else would it be? What changes is the size of space time, but the ratio of information to space time stays the same. For example when information is remove so is the portion of space time that the information resides in, both fall into the black hole. Imagine 10 teacups, in each teacup resides a marble.The rule of the teacup universe is that each teacup must contain a marble... there are no exceptions to this rule. The job of monitoring the teacup universe is given to Lenny Susskind. On his rounds he has to make sure there is no contravening of the teacup rule. One teacup is removed leaving 9 teacups; no rules have been contravened.... all is well, and so on for all the teacups. Lenny does not find a single teacup empty; the ratio of marbles to teacups haven't changed, the universe has not lost information, it has simply reduced in size. Roger Penrose proposes this is what happen to information and eventual all information and it equivalent space time will lie behind the event horizon. Of course eventually the black holes evaporate leaving an empty universe of marbles of unmeasurable size.

5
@kylethompson1379 2023-11-30

Stephen lived with MND for over 40 years, and never lost himself. That's truly heroic.

5
@johnqpublic2718 2023-11-05

Thanks for interviewing one of my personal "heroes"

2

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