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Jim Gates: What is String Theory, Its Status, Its Open Challenges? | AI Podcast Clips
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Full episode with Jim Gates (Dec 2019): https://www.youtube.com/watch?v=IUHkhB366tE Clips channel (Lex Clips): https://www.youtube.com/lexclips Main channel (Lex Fridman): https://www.youtube.com/lexfridman (more links below) Podcast full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 Podcasts clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41 Podcast website: https://lexfridman.com/ai Podcast on Apple Podcasts (iTunes): https://apple.co/2lwqZIr Podcast on Spotify: https://spoti.fi/2nEwCF8 Podcast RSS: https://lexfridman.com/category/ai/feed/ Jim Gates (S James Gates Jr.) is a theoretical physicist and professor at Brown University working on supersymmetry, supergravity, and superstring theory. He served on former President Obama's Council of Advisors on Science and Technology. He is the co-author of a new book titled Proving Einstein Right about the scientists who set out to prove Einstein's theory of relativity. Subscribe to this YouTube channel or connect on: - Twitter: https://twitter.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - Medium: https://medium.com/@lexfridman - Support on Patreon: https://www.patreon.com/lexfridman
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The Debate on String Theory
Jim Gates introduces the complex and heated debate surrounding string theory, emphasizing that it lacks a definitive overarching paradigm. He explains that string theory is a vast collection of mathematical facts without clear application to nature, leading to discussions about its validity and significance in theoretical physics.
"we have to talk a bit about the magical the mysterious string theory super string theory sure there's still maybe this aspect of it which is there still for me from an outsider's perspective of this f..."
Mathematical Insights from String Theory
Gates discusses the productive outcomes of string theory, highlighting its influence on mathematical concepts beyond its own framework. He mentions advancements in calculating forces between particles and introduces ideas like weak-strong duality and holography, which have emerged from string theory research.
"string theory what string theory is currently is an enormous lis large mutually reinforcing collection of mathematical facts in which we can find no contradictions we don't know why it's there but we ..."
Understanding String Theory
In this segment, Gates attempts to explain string theory in simple terms, comparing particles to a mathematical construct and introducing the concept of strings as one-dimensional objects. He uses the analogy of spaghetti to illustrate how strings can have properties that allow them to vibrate and interact in a multi-dimensional space.
"and this has been going on now for two decades almost that I have allowed us for example to more accurately calculate the force between electrons with the presence of quantum mechanics this is not som..."
Dimensions and the Nature of Strings
Gates addresses the concept of multiple dimensions in string theory, discussing its mathematical consistency and the existence of four-dimensional strings. He shares insights from his research and highlights the public's perception of string theory, noting that there are alternative understandings that challenge the common narrative about extra dimensions.
"what are the big first of all most people will probably that which as you said most general public would know actually what string theory is which is a at the highest level which is a fascinating fact..."