3 ms·

Ah yes! That would totally line up. Guessing from his Surely You're Joking book. Apologies to any if I butchered the story or experiment, been awhile.

• frabcus 2y ago
  It's definitely in the excellent Feynman BBC series "Fun to imagine"
  • pests 2y ago
    I've never watched but I'll have to check it out! Must be a common story he tells haha.