If your are interested in learning hard subjects, I highly recommend Richard Hamming's wonderful course The Art of Doing Science and Engineering: Learning to Le

If your are interested in learning hard subjects, I highly recommend Richard Hamming's wonderful course The Art of Doing Science and Engineering: Learning to Learn [1], and the related book [2] [1] https://www.youtube.com/watch?v=AD4b-52jtos&list=PL2FF649D0C4407B30 https://www.youtube.com/watch?v=AD4b-52jtos&list=PL2FF649D0C... [2] https://www.amazon.com/Art-Doing-Science-Engineering-Learning/dp/9056995006 https://www.amazon.com/Art-Doing-Science-Engineering-Learnin...