How to learn physics from scratch

And how far to go with it.

The quantum corral. Image courtesey of https://www.nisenet.org/catalog/scientific-image-quantum-corral-top-view.

Physics is a difficult thing to study. Not just because it requires a lot of mathematics, but also because it requires a lot of patience, dedication and time. Most people only learn physics in high school, and never touch on the subject again, perhaps they don’t need it, or they go into a profession which doesn’t require any knowledge of physics. Whichever the case may be, there…