Cecil, W5DXP wrote:
"Unfortunately for your argument, nothing in the universe (AFAWK)
travels faster than an EM wave. But maybe you can invent Warp Drive or
Slip-Stream Drive. :-)"

Nothing to do with the argument, but I believe there is an exception
that comes to exceeding the speed of light, and that is when the wave is
slowed in a medium to a speed less than c.