And I enjoyed both equally. But in time I began to want to write more and more. I had been writing small pieces, essays for newspapers and magazines. But I wanted to write longer pieces, in particular books. And to do that it's best to be, usually it's best to be in an academic environment, because part of your job is to write and is to communicate.
People view that in a university as a form of teaching.
It's just teaching beyond the classroom. It's teaching a wider audience. It's trying to reach people that might not take a formal course in engineering but might want to learn about engineering nevertheless through reading a book. So that is what I'm pretty much doing now.