The problem with the theory of everything | Janna Levin

The hunt for the theory of everything continues — but we won’t find it without understanding quantum gravity first.

This interview is an episode from @The-Well, our publication about ideas that inspire a life well-lived, created with the@JohnTempletonFoundation.

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There’s a pursuit of simplicity and unification in theoretical physics, aiming for a single mathematical law to unify quantum mechanics and gravity: a theory of everything. But while other forces have been successfully unified, gravity resists integration — casting doubt on the likelihood of ever unlocking the theory of all theories.

As physicist Janna Levin explains, black holes, with their strong space-time curvature, provide insights into this challenge. Levin draws parallels to mathematicians' incompleteness theorems, noting the inherent limitations in such an overarching theory.

Acknowledging the complexity of the endeavor, Levin emphasizes the need to embrace and explore gravity's enigmatic nature fully. In doing so, the pursuit of unification might still yield profound insights, even if a comprehensive theory of everything remains elusive.

Read the video transcript ► https://bigthink.com/the-well/the-theory-of-everything-458332?utm_source=youtube&utm_medium=video&utm_campaign=youtube_description

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About Janna Levin:
Janna Levin is a professor of physics and astronomy at Barnard College of Columbia University. She is also director of sciences at Pioneer Works, a center for arts and sciences in Brooklyn, and has contributed to an understanding of black holes, the cosmology of extra dimensions, and gravitational waves in the shape of spacetime. Her previous books include How the Universe Got Its Spots and a novel, A Madman Dreams of Turing Machines, which won the PEN/Bingham Prize. She was recently named a Guggenheim fellow.

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