What Is A Theory of Everything? Featuring Sabine Hossenfelder, Lee Smolin, & Eric Weinstein

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Are we any closer to understanding the fundamental nature of reality?

Experimental evidence for any current Theory of Everything is, at best, inconclusive. This is perhaps the greatest fundamental challenge facing physics.

That lack of progress has opened up a sea of controversy.

In this thought-provoking episode recorded in 2020, I joined forces with Matt O’Dowd to debate some of the brightest minds in theoretical physics on the complexities surrounding the quest for a Theory of Everything. We were joined by Eric Weinstein, Sabine Hossenfelder, and Lee Smolin,

We discussed the historical context and current challenges of unifying quantum mechanics with gravity, and the need for fresh perspectives and a broader range of approaches.

Tune in!

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Key Takeaways:

00:00 Introduction to the quest for a theory of everything
03:20 Lee Smolin explains different meanings of "theory of everything"
07:07 Sabina Hossenfelder discusses approaches to quantum gravity
18:23 Eric Weinstein critiques the current state of theoretical physics
34:23 Debate on the role of beauty in physics theories
48:22 Discussion on the testability of quantum gravity theories
59:01 Eric Weinstein explains aspects of his geometric unity theory
1:14:04 Debate on resource allocation in physics research
1:20:15 Advice for young aspiring physicists


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Additional resources:

Connect with:

➡️ Sabine Hossenfelder
YouTube Channel:    / @sabinehossenfelder  
Lost in Math: How Beauty Led Physics Astray: https://amzn.to/3kL9huy


➡️ Eric Weinstein
The Portal Podcast: https://ericweinstein.org/
The Portal Wiki: https://projects.theportal.wiki/

➡️ Lee Smolin
The Trouble With Physics: https://amzn.to/3agWJpH
Einstein's Unfinished Revolution: https://amzn.to/30LW7VV

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Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.

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