I think the field of automata has some lovely diagrams. https://en.m.wikipedia.org/wiki/Automata_theory https://en.m.wikipedia.org/wiki/Automata_theory I'm su

I think the field of automata has some lovely diagrams. https://en.m.wikipedia.org/wiki/Automata_theory https://en.m.wikipedia.org/wiki/Automata_theory I'm sure many are familiar with state diagrams, directed graphs that can be used to explain regular expressions or any other FSM Turing machines also can be represented with a diagram featuring a "tape" - so elegant Professor Rick Thomas made a great impression on me whilst lecturing on the subject of Automata