.. and to think that I wasted all those years reading up on the heavy techo side of things when simple explanations, such as conveyed in this thread, provide a far easier path to enlightenment .... oh, well, a career, quite obviously, totally misused and abused.... I used to work for Rockwell (I think .. sometimes hard to keep track of the name changes at times and who is buying who) ... so it was good to see their contribution to technological excellence.
Flux capacitor (
https://www.jaycar.com.au/flux-capacitor/p/OUTATIME) ... just gotta have one of those.