The brilliant and colorful Richard Feynmann devoted one of his famous lectures to this, as "entertainment" separate from his other lectures.<ref>https://www.feynmanlectures.caltech.edu/II_19.html#:~:text=%E2%80%9CSo%2C%20for%20a%20conservative%20system,minimum%E2%80%94maybe%20it's%20a%20maximum.</ref> | The brilliant and colorful Richard Feynmann devoted one of his famous lectures to this, as "entertainment" separate from his other lectures.<ref>https://www.feynmanlectures.caltech.edu/II_19.html#:~:text=%E2%80%9CSo%2C%20for%20a%20conservative%20system,minimum%E2%80%94maybe%20it's%20a%20maximum.</ref> |