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: <a href="https://www.preposterousuniverse.com/podcast/2024/04/01/271-claudia-de-rham-on-modifying-general-relativity/" rel="noopener noreferrer" target="_blank">https://www.preposterousuniverse.com/podcast/2024/04/01/271-claudia-de-rham-on-modifying-general-relativity/</a>Support Mindscape on&nbsp;<a href="https://www.patreon.com/seanmcarroll" rel="noopener noreferrer" target="_blank">Patreon</a>.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&nbsp;<a href="https://press.princeton.edu/books/ebook/9780691237497/the-beauty-of-falling" rel="noopener noreferrer" target="_blank">The Beauty of Falling: A Life in Pursuit of Gravity</a>.<ul><li><a href="https://www.imperial.ac.uk/people/c.de-rham" rel="noopener noreferrer" target="_blank">Imperial College web page</a></li><li><a href="https://en.wikipedia.org/wiki/Claudia_de_Rham" rel="noopener noreferrer" target="_blank">Wikipedia</a></li><li><a href="https://inspirehep.net/authors/1030566?ui-citation-summary=true" rel="noopener noreferrer" target="_blank">Publications at Inspire</a></li></ul>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.

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271 | Claudia de Rham on Modifying General Relativity

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas