[eesmith]

Another version is in Phil Morrison's "The Ring of Truth" episode "Atoms" at https://youtu.be/WQ3mjb9BSaU?t=1765 or 29:26 at https://archive.org/details/TheRingofTruth/Ring.of.Truth.S01... .

(It would be nice if archive.org had a way to link to a specific timestamp.)