Meetings 2026 To find out more about the group, email Mike Witt: mike (at) physicscafe (dot) org Upcoming [Feb 8th]: GR Continues – Details TBD Past [Feb 1st]: GR Continues – More on Vectors and One-Forms [January 25th]: Tensor Homework Discussion – Tensor Homework #1 [January 18th]: Tensor Intro Review – Preparing for derivatives of Tensors [January 11th]: Principia: Proposition 6 – Finding the Centripetal Force for Any Orbit [January 4th] New Year Social 2025 Meetings