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The Quanta PodcastIn-depth news about mathematics, physics, biology and computer science. Author: Quanta Magazine
Exploring the distant universe, the insides of cells, the abstractions of math, the complexity of information itself, and much more, The Quanta Podcast is a tour of the frontier between the known and the unknown. In each episode, Quanta Magazine Editor-in-Chief Samir Patel speaks with the minds behind the award-winning publication to navigate through some of the most important and mind-expanding questions in science and math. Quanta specifically covers fundamental research driven by curiosity, discovery and the overwhelming desire to know why and how. Join us every Tuesday for a stimulating conversation about the biggest ideas and the tiniest details.(If you've been a fan of the Quanta Science Podcast, it will continue here. You'll see those episodes marked as audio edition episodes every two weeks.) Language: en-us Genres: Life Sciences, Physics, Science Contact email: Get it Feed URL: Get it iTunes ID: Get it Trailer: |
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A Simple Way To Measure Knots Has Come Unraveled
Episode 37
Tuesday, 9 December, 2025
In math and science, knots do far more than keep shoes on feet. For more than a century, mathematicians have studied the properties of different knots and been rewarded by a wide range of useful applications across science. Classifying how some knots are different from others is an important part of this work. Earlier this year, two mathematicians found that a theory for how to differentiate between knots is false. In fact, they found infinitely many counterexamples that prove that this method for studying knots does not work the way it’s supposed to. In this episode, contributing writer Leila Sloman joins editor in chief Samir Patel to tell the story of how the unknotting number came unraveled.Audio coda courtesy of Zinadelphia.
