In Taxicab Geometry, Pi Equals 4 and Circles Aren’t Round – The New York Times

June 9, 2025

https://www.nytimes.com/interactive/2025/06/09/science/math-strogatz-taxi-geometry.html?unlocked_article_code=1.Nk8.vKWU.EjJeXJAu5KqX&smid=tw-share