On the first of July, as part of a 3-day conference on finding good responses to Covid19, I gave this talk to a group made up mostly of Indian science students and professors. My talk followed a talk on nano-particles. https://static.wixstatic.com/mp3/e5bf76_605477d7c954463fbb5acef0514ce5c3.mp3
Thanks to the organizers at IIT in Raipur, and to Aditya Anandji for inviting me. It was really fun to translate my teachings into a slightly different language and form.
Because of a scheduling issue, I had to leave out some of the time for practice and questions that I would have loved to include.
I hope you enjoy listening, and I would enjoy hearing from you what you find helpful and interesting in my talk.