The opening lecture and Q&A on freedom of speech by Nadine Strossen was a big success last week. The next Q&A session will take place via Zoom on May 8th at 4pm EST:
From Inscribed Worlds to Non-Euclidean Geometry: History and Geometry of Kepler's Laws
by Roman Bezrukavnikov
Please visit http://sigmacamp.org/2020-q-and-a/bezrukavnikov for details.