Drifting back into the present, I get an iced chai latte at Mud Cafe and sit outside on their rusty metal bench, since there’s no indoor dining allowed. The neighborhood feels like a ghost town, and a war zone. My face is draped in a colorful Batik face covering, bought from a local store which sells, exclusively, Indian cloth, made by a fourth-generation family owner, who studied engineering at MIT. Moments later, a thin, dirty napkin flies into the wind, in a tumbling motion, rotating and drifting away while descending, similar to this numerical solution:
Very interesting and relaxing read. I am also quite fascinated to see the leaves falling from trees. Different types fall in different ways. I am really eager to work more on this motion with my students in India. I hope you are enjoying the actual lab now as some relief from COVID.