Flesh out "big world" post. Still draft.
Flesh out "big world" post. Still draft.

I need to do a final edit, and fill in links to Nalgebra docs.

Probably should remark on how amazingly helpful Nalgebra is!

jeffparsons/jeffparsons.github.io,jeffparsons/jeffparsons.github.io,jeffparsons/jeffparsons.github.io