[Physics] Do longitudinal FTL "Tesla" waves exist and, if yes, how should they be modelled?

[Arend Lammertink]

> Now because Maxwell did things differently, the longitudinal wave is
> what's not being predicted, while it is known from FD how to derive
> equations for the longitudinal wave from this single equation, and it
> is known such "sound" waves propagate faster than a transverse wave by
> a factor of just over 1.5, it is clear what to do:
>
> Experimentally obtain inconclusive evidence longitudinal waves exist
> AND propagate faster than the well known EM waves.
>

Oops, that should have been conclusive, of course.