I could've done engineering in school I think. Just hadn't
   thought of it at the time. Head more in the clouds tongue
   emoticon (wanted to learn quantum physics and I've been all this
   time, just not mathematically but rather conceptually) But I've
   picked up much simply as a hobby through the decades. I like
   things a little messier than control systems and a little more
   clear than Holism - somewhere nicely inbetween smile emoticon