mobius strip
Discover (and listen to) the Möbius strip that's hidden within one of Bach's famous canons.
A Klein bottle can't hold any liquid because it doesn't have an inside. How do you construct this strange thing and why would you want to?
Saul Schleimer and Henry Segerman show off some of their beautiful 3D printed mathematical structures.
Is the Universe finite, with an edge, or infinite, with no edges? Or is it even stranger: finite but with no edges? It sounds far-fetched but the mathematical theory of topology makes it possible, and nobody yet knows the truth. Janna Levin tells us more.