"Cecil Moore" napisal w wiadomosci
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On Mar 9, 3:42 am, "Szczepan Bialek" wrote:
Faraday known that the speed of waves is the same in copper and space.

RF waves (fields/photons) cannot exist or flow IN copper. RF waves
(fields/photons) flow in the space surrounding copper. The free
electrons in a copper wire move only at a tiny fraction of the speed
of light, 0.00028 m/s in the Wikipedia example. For RF signals, the
electrons move hardly at all and can be considered to be vibrating in
place acting as a sort of bucket brigade for the photons.

All waves are the vibrations in place.

Faraday wrote: " The velocity of light through space is about 190,000 miles
in a second; the velocity of electricity is, by the experiments of
Wheatstone, shown to be as great as this, if not greater: the light is
supposed to be transmitted by vibrations through an aether which is, so to
speak, destitute of gravitation, but infinite in elasticity; the electricity
is transmitted through a small metallic wire, and is often viewed as
transmitted by vibrations also."

The electrons drift is like Stokes drift:
http://en.wikipedia.org/wiki/Stokes_drift
S*