Edward Green wrote:
z wrote:

Ah, you have forgotten the frequently seen fourth form, which is
wrapping the hot thing up in a towel and running with it over to
somewhere else where you drop it off. It can move a lot of heat very
effectively.

Very good! That's non-convective mixing or mass-transport (to give it
some important sounding names).

Actually, reminds me of the early days of networking, when one of the
fastest protocols was still sneakernet. I.e., copy a floppy full and
run it over to the other machine, thereby transferring 1.4 meg
relatively quickly.