Stoney’s British Pub
3007 Concord Pike
Physics, University of Pennsylvania
“Which Way is Up? Non-orientability in Physics”
Most surfaces have two sides. Think of a football: it has an inside and an outside. Some surfaces are special and have only one side. These are known as non-orientable surfaces, and perhaps the most famous example is the Möbius strip. In this talk I will explore the properties of non-orientable surfaces and how they relate to the physics of soap films and liquid crystals.