But in that sense I should reassert that my model applies most directly only to any device which conveys bits relayed through electrons exchanging orbitals, as that is the generalized electronic cellular automata model, and wires should not be able to beat that bound. But if there is some way to make the interaction distance much much larger—for example via electrons moving ballistically OOM greater than the ~1 nm atomic scale before interacting, then the model will break down.
The mean free path of conduction electrons in copper at room temperature is ~40 nm. Cold pure metals can have much greater mean free paths. Also, a copper atom is ~0.1 nm, not ~1 nm.
The mean free path of conduction electrons in copper at room temperature is ~40 nm. Cold pure metals can have much greater mean free paths. Also, a copper atom is ~0.1 nm, not ~1 nm.