Unifying Nature’s Laws: The State of String Theory

Published 2024-01-05
Einstein dreamed of a unified theory of nature’s laws. String theory has long promised to deliver it: a mathematically elegant description that some have called a “theory of everything.” Join one of the most influential groups of theorists ever assembled on a single stage to evaluate the current state of this most ambitious of theories.

The Big Ideas Series is supported in part by the John Templeton Foundation.

Participants:
David Gross
Andrew Strominger
Edward Witten

Moderator:
Brian Greene

00:00 - Introduction
02:45 - Participant introductions
04:16 - Lord Kelvin and the end of physics
10:32 - Einstein's Special Theory of Relativity
18:15 - What is Quantum Field Theory?
26:12 - 1984 and the String Theory breakthrough
32:02 - Understanding the strong nuclear force
40:18 - Summary of String theory through time
48:09 - Where are we now in the journey of String Theory?
53:55 - Can String Theory give incite on Black Holes and the Big Bang?
1:02:12 - Has String Theory inspired breakthroughs in mathematics?
1:08:40 - Anti De sitter space / conformal field theory
1:16:00 - Has thinking changed by what has been found through String Theory?
1:24:00 - Final thoughts on the current state of String Theory

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All Comments (21)
  • @synx6988
    cool to see Witten participating
  • @CityStomperMedia
    I can't believe I can spend my weekends relaxing at home getting baked and listening to Brian freaking Greene talk about the universe. What a privilege!!!
  • @erichodge567
    The World Science Festival is a great gift to humanity. To see and hear the very people who are moving forward our view of the Universe is an tremendous blessing.
  • @user-lr4gr7ym7u
    It's hard to imagine we live in a time where a guy like me laying on his bed one afternoon could randomly come across a discussion between a group of four people - who are at the forefront of expanding human knowledge and our understanding of reality itself. It's WILD but I'm blessed I was born in such times.
  • What a high profile panel! Thank you Dr. Greene for bringing it together and for the excellent moderation. Thoroughly enjoyed 💯💯💯
  • @checkmilu
    what a privilege to see these world leading physics professors sharing their thoughts of the most profound questions in the universe!
  • @nickm6607
    I understood maybe 10% of this conversation. yet i remain fascinated.
  • @amado7760
    One of the best interviews I have ever seen, thank you so much !
  • @rob.j.g
    I was pretty impressed with how everyone was able to synchronize with the graphics
  • @handthefs8197
    Incredible that we can watch this all over the world on Youtube.. I wish more people spent their time caring about stuff like this.
  • @kathyorourke9273
    This is wonderful! So happy to see everyone enjoying themselves. Exciting to see Ed Witten so animated. Thank you.
  • @elmoteroloco
    I need to watch this video again. Like a dozen times
  • @ryanbaker7404
    What a fabulous panel! Thank you, Dr. Greene and WSF for this wonderful topic and panel of guests. You guys are killing it lately! Having this level of knowledge available with a simple click is amazing!
  • @WizardWonders
    "A very simple assignment." 😂 Absolutely love this channel - such an inspiration for our little channel to try and inspire curiosity, awe and wonder as we seek to unravel the truth of the universe and our place in it. 🙌🧙🏻‍♂️✨
  • @rokubilly
    Congratulations Professor Greene. You are a master moderator. A virtuoso conductor. This panel discussion watched (can I say that) like a thriller. You managed to bring these difficult topics a little closer to us mere mortals by teasing out key concepts from your panelists like a maestro who gets the most of his string section (yeah, a bad pun). It was a privilege and a treat to watch this discussion.
  • One of Brian's best interviews. What an outstanding group of people. Thank you Brian and the physicist in this world keep up the good work.
  • The discussions of the senior physicists facilitated by WSF are so informative and will encourage many potential the young physicists to think. I teach classical Indian philosophy - trained in the non-dual world view and have ventured into interdisciplinary studies - especially quantum physics. Though being outside science, I can only depend upon what the scientists have discovered and have discovered. But I have learned so many things from modern physicists. I really thank the World Science Festival for what I have been learning. Philosophers are trained holistic things and sub-texts hidden among consistent or inconsistent data of science. I haven't yet heard anything which can go beyond what Advaita's Pure Existence- Consciousness- Bliss (developed in the 7th century by Sankara in Kerala, India) reflected in the joy felt by great mathematicians and path breaking scientists when they have discovered new truths
  • @peacea5192
    Thanks a lot to WSF. For inviting these heavy-duty & outstanding professors. I learn every day. Great discussion!.
  • Such a riveting conversation! The expedition from pursuing a unified theory to grappling with the amalgamation of quantum mechanics and general relativity proves to be genuinely captivating. String theory, in its endeavor to unite particles through oscillating strings, introduces a distinctive outlook to the quest. Eagerly anticipating further profound insight.