This is the kind of article that I enjoy reading a lot. Most tools available today mask away fundamental concepts, and many aspiring young engineers learn to u

This is the kind of article that I enjoy reading a lot. Most tools available today mask away fundamental concepts, and many aspiring young engineers learn to use "tools". While the ability to use various tools is of paramount importance, the most valuable skills an engineer can possible possess, in my opinion, is the ability to create new tools/concepts/whatever from 1st-ish principle