Status: Prerecorded video received, waiting for captions Duration: 21 minutes Friendly URL: /2021/talks/teach Saturday, Nov 27 2021, ~ 2:04 PM - 2:25 PM EST Saturday, Nov 27 2021, ~11:04 AM - 11:25 AM PST Saturday, Nov 27 2021, ~ 7:04 PM - 7:25 PM UTC Saturday, Nov 27 2021, ~ 8:04 PM - 8:25 PM CET Sunday, Nov 28 2021, ~ 3:04 AM - 3:25 AM +08 # Description