On Jan 9, 2:42 pm, Gene Fuller wrote:
I showed you exactly how the energy in a standing wave travels at the
speed of light. Did you miss that message, or are you just pretending it
didn't happen?

I don't think I missed it, Gene, but it is possible. There is no net
energy movement in a standing wave because the forward Poynting
vector, Pz+, and reverse Poynting vector, Pz-, are equal magnitude and
opposite directions. Therefore, no net energy movement is possible in
a standing wave.

In contrast to that standing wave, there is always net energy movement
in a traveling wave. If you can prove net energy movement in a
standing wave, you will have violated the definition of a standing
wave.
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73, Cecil, w5dxp.com