Otsikko: [tuubi] Planeetat ja ellipsit! Kirjoitti: sideman - 08.11.2020 12:03:03 https://youtu.be/xdIjYBtnvZU This video recounts a lecture by Richard Feynman giving an elementary demonstration of why planets orbit in ellipses. See the excellent book by Judith and David Goodstein, "Feynman's lost lectureā€¯, for the full story behind this lecture, and a deeper dive into its content. ...dsuu, dsuu, dsuu... ;) |