From World Science Festival.

Without dark matter and dark energy, the equations of physics don’t match what we observe in the cosmos. But what if it’s not the universe that needs extra ingredients—but the equations that need a rewrite? Renowned theorist Erik Verlinde joins Brian Greene to explore his bold reimagining of the laws of nature.

This program is part of the Big Ideas series, supported by the John Templeton Foundation.

Participant: Erik Verlinde
Moderator: Brian Greene

0:00 – Introduction
6:45 – Origins & Early String Theory
13:10 – Skepticism from ‘t Hooft & Hawking’s Influence
19:40 – Has String Theory Failed?
26:20 – Supersymmetry and the LHC
33:05 – Would Verlinde Ever Abandon String Theory?
39:35 – Quantum Gravity Is Hard to Test
46:10 – Black Holes, Bekenstein, & the Second Law
52:45 – Why Black Hole Entropy Scales with Area
59:30 – Holography and Anti-de Sitter Space
1:06:00 – Deriving Einstein from Entanglement
1:12:50 – A Universe with Volume Law Entropy
1:19:20 – Modified Gravity vs. Dark Matter
1:26:30 – Toward a New Theory of Spacetime

– Conclusion
– Credits

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