271 | Claudia de Rham on Modifying General Relativity

271 | Claudia de Rham on Modifying General Relativity

Einstein's theory of general relativity has been our best understanding of gravity for over a century, withstanding a variety of experimental challenges of ever-increasing precision. But we have to be open to the possibility that general relativity -- even at the classical level, aside from any questions of quantum gravity -- isn't the right theory of gravity. Such speculation is motivated by cosmology, where we have a good model of the universe but one with a number of loose ends. Claudia de Rham has been a leader in exploring how gravity could be modified in cosmologically interesting ways, and we discuss the current state of the art as well as future prospects.

Blog post with transcript: https://www.preposterousuniverse.com/podcast/2024/04/01/271-claudia-de-rham-on-modifying-general-relativity/

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Claudia de Rham received her Ph.D. in physics from the University of Cambridge. She is currently a professor of physics and deputy department head at Imperial College, London. She is a Simons Foundation Investigator, winner of the Blavatnik Award, and a member of the American Academy of Arts and Sciences. Her new book is The Beauty of Falling: A Life in Pursuit of Gravity.


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251 | Rosemary Braun on Uncovering Patterns in Biological Complexity

251 | Rosemary Braun on Uncovering Patterns in Biological Complexity

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250 | Brendan Nyhan on Navigating the Information Ecosystem

250 | Brendan Nyhan on Navigating the Information Ecosystem

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249 | Peter Godfrey-Smith on Sentience and Octopus Minds

249 | Peter Godfrey-Smith on Sentience and Octopus Minds

The study of cognition and sentience would be greatly abetted by the discovery of intelligent alien beings, who presumably developed independently of life here on Earth. But we do have more than one d...

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AMA | September 2023

AMA | September 2023

Welcome to the September 2023 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by P...

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248 | Yejin Choi on AI and Common Sense

248 | Yejin Choi on AI and Common Sense

Over the last year, AI large-language models (LLMs) like ChatGPT have demonstrated a remarkable ability to carry on human-like conversations in a variety of different concepts. But the way these LLMs ...

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247 | Samuel Bowles on Economics, Cooperation, and Inequality

247 | Samuel Bowles on Economics, Cooperation, and Inequality

Blog post with transcript: https://www.preposterousuniverse.com/podcast/2023/08/21/247-samuel-bowles-on-economics-cooperation-and-inequality/Economics, much like thermodynamics, is a story of collecti...

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246 | David Stuart on Time and Science in Maya Civilization

246 | David Stuart on Time and Science in Maya Civilization

You might remember the somewhat bizarre worries that swept through certain circles back in 2012, based on the end of the world being predicted by the Maya calendar. The world didn't end, which is unsu...

14 Elo 20231h 9min

AMA | August 2023

AMA | August 2023

Welcome to the August 2023 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patr...

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