Today was the "bowling ball pendulum demo" in #PHYS1303. I really, really miss doing this in front of a very anxious class full of students. Instead, I had to show it using this video. Enjoy! https://smu.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=75a79f4f-759c-4ec0-861d-acfa01592457 https://twitter.com/drsekula/status/1377062321613328384/photo/1 https://chirp.cooleysekula.net/attachment/71574