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Black Holes, Quantum Gravity, and String Theory: From Theory to Observation

World Science Festival via YouTube

Overview

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Join a fascinating two-hour conversation between physicist Andrew Strominger and moderator Brian Greene as they explore groundbreaking developments in black hole theory, string theory, and quantum gravity. Delve into complex topics including the mathematical mysteries at the heart of black holes, Hawking's work on quantum physics and general relativity, the entropy formula for black holes, and the revolutionary information storage principle. Learn about Strominger's collaborative work with Cumrun Vafa on string theory, understand the black hole information paradox, and explore photon orbits. Discover insights about the Event Horizon Telescope, conformed field theory, the holographic principle, and the soft graviton theorem. The discussion concludes with thought-provoking perspectives on the quantum measurement problem and the fundamental goals of science, offering a comprehensive look at the cutting edge of theoretical physics and astronomical observation.

Syllabus

0:00:00 - Introduction
0:00:41 - Welcome to Andy Strominger
0:02:23 - A Brief History of Black Hole Theory
0:09:23 - Strominger's reaction to seeing the first image of a black hole
0:11:12 - Puzzling over the mathematical questions at the center of a black hole
0:17:21 - Hawking's attempts to bring Quantum Physics into General Relativity
0:20:07 - Entropy Formula for a Black Hole
0:25:53 - Information Storage Principle on the surface area of a Black Hole
0:27:52 - Strominger and Cumrun Vafa's work with String Theory
0:37:55 - Black Hole Information Paradox
0:50:00 - Photon Orbits of Black Holes
1:00:51 - The Event Horizon Telescope
1:05:30 - Strominger's predictions
1:10:35 - Conformed Field Theory
1:18:47 - The Holographic Principle
1:26:06 - Soft Graviton Theorem
1:44:40 - Strominger's view of Quantum Measurement Problem
1:51:51 - What's the goal of Science?
1:57:55 - Conclusion
1:58:18 - Credits

Taught by

World Science Festival

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