one of the most informative moments, was when instructor broke ranks and referred to figures as "cartoons", and that reset the context for a lot of things.

figures are very sparse, for brevity. the real situation is buried in a mantle of molecules.

the animations dont quite capture what individual molecules are doing, but give snapshots of cannonical points in the process. its a very busy bunch of reaction intermediates, and resonance structures, facilitating the exchange of functionalities.

most important was the concept of a function-repair equilibrium machine, as action cycle of the machine is damaging, and requires immediate repair, in addition to the environmental onslaught of damages.

picture having to check a file for corruption every time its accessed.