Grant Sanderson from 3blue1brown returns to the podcast to talk about live-streaming lessons, tracing coronavirus, and a technical mishap. Grant's channel - 3blue1brown - https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw Grant's first live lesson - https://www.youtube.com/watch?v=MHXO86wKeDY Exponential Growth - 3 blue1brown - https://www.youtube.com/watch?v=Kas0tIxDvrg Simulating an epidemic - 3blue1brown - https://www.youtube.com/watch?v=gxAaO2rsdIs The Coronavirus Curve with Ben Sparks - Numberphile - https://www.youtube.com/watch?v=k6nLfCbAzgo Itempool - https://itempool.com/ Matt Parker - http://standupmaths.com/ Ben Eater - https://eater.net/ Nicky Case Tweet - https://twitter.com/ncasenmare/status/1248271370368114688 The Accidental Stream - https://www.youtube.com/watch?v=Bdblmebf_QY Grant's eye video on Objectivity - https://www.youtube.com/watch?v=GYmq-XLooLc Objectivity channel - https://www.youtube.com/channel/UCtwKon9qMt5YLVgQt1tvJKg Support this podcast and Numberphile on Patreon - https://www.patreon.com/numberphile PODCAST TRANSCRIPTS: https://www.numberphile.com/podcast-transcripts