Sign-up link for in-person lecture on date N will be available at 8:00 PT on date N-1.

Please only sign-up when you know you're going to attend an in-person lecture for sure; please don't come to an in-person lecture if you did not sign-up. Let's make the space safe and comfortable to everyone.

In-person spots will be given to the first 199 sign-ups for each lecture.