Counterfactuals
Asking about what might have been can be useful, but is often just a waste of time.
What if. . .?
The center of the universe
Enthusiasms
Self-motivated
You can find people enthusiastic about any subject nowadays. This is a good thing.
Old Paper (III)
Old paper (II)
Old paper (I)
Interpolation
Critters
The Book of Kells
The good stuff
Tucked away at the end
Sometimes classes never reach the more interesting parts of Physics.