Any knowledge or skillset can be misunderstood and/or misapplied. I'm doing my best to express my understanding, which may, of course, be completely wrong. I've

Any knowledge or skillset can be misunderstood and/or misapplied. I'm doing my best to express my understanding, which may, of course, be completely wrong. I've also been doing my best to understand this stuff, which included taking a long break from engineering work to study it.