Just read a textbook. It's not easy, but it's what you want: - rigorous treatment of the material - no bullshit fluff - exercises that you can do to think a

Just read a textbook. It's not easy, but it's what you want: - rigorous treatment of the material - no bullshit fluff - exercises that you can do to think about the material and test your comprehension (often 50-100% of the answers are available online) - systematic treatment used to train real physicists In my experience, it's all about the homework. The rest just supports that.