Explore a captivating 18-minute lecture by Marjorie Senechal from Smith College, delivered at the Institut des Hautes Etudes Scientifiques (IHES). Delve into the fascinating world of aperiodic monotiles as Senechal presents "A gift for Louis: the new aperiodic monotile." Discover the latest developments in this intriguing field of mathematics and geometry, gaining insights into the unique properties and significance of these innovative tiling patterns.