On: Queues invert control flow but require flow contro...

[westurner]

The Spintronics mechanical circuits game is sort of like conveyor belts.

Electrons are not individually identified like things on a conveyor belt.

Electrons in conductors, semiconductors, and superconductors do behave like fluids.

Turing tapes; https://hackaday.com/2016/08/18/the-turing-tapes/

Theory of computation > Models of computation: https://en.wikipedia.org/wiki/Theory_of_computation