I had forgotten about the analogy with electron speed in wires - thank you! I remember my music teacher giving me a very funny look when I pointed it out, and t

I had forgotten about the analogy with electron speed in wires - thank you! I remember my music teacher giving me a very funny look when I pointed it out, and then claiming that electrons must move through wires at the speed of light...when of course it is the electric field "wavefront" that does so.