Meetings 2024 To find out more about the group, email Mike Witt: mike (at) physicscafe (dot) org Upcoming November 24: Principia Talk 13 (Proposition 1) Past November 17: Principia Talk 12 (Definitions and Laws) November 10: Principia Talk 11 (Lemma 7: disappearing angles) November 3: Principia Talk 10 (Lemma 6: disappearing angles) October 27: Principia Talk 9 (Lemmas 2, 3, 4: areas under arbitrary curves) October 20: Principia Talk 8 (Lemma 1: “ultimately equals”) October 13: Principia Talk 7 (History: Huygens, scientific community, Newton) October 6: Principia Talk 6 (History: more Galileo, and Descartes) September 29: Principia Talk 5 (History: Horrocks and more Galileo) September 22: Principia Talk 4 (History: Kepler and Galileo) September 15: Principia Talk 3 (History: More Kepler) September 8: Principia Talk 2 (History: Tycho and Kepler) August 11: Principia Talk 1 (History: ancients through Tycho) 2023 Meetings
