On Jun 30, 3:03*pm, Roy Lewallen wrote:
lu6etj wrote:
On 29 jun, 15:08, Cecil Moore wrote:
On Jun 29, 12:54 pm, Jim Lux wrote:

photons can flow through a dielectric.. isn't that what EM propagation
is, after all?
Yes, after I posted it, I realized that it was a rhetorical question.
--
73, Cecil, w5dxp.com

I learnt displacement current inside a condenser it was = eo* d(phi E)/
dt no EM radiation inside the condenser to made that current possible,
in any case EM radiation in physical condenser will come out from
condenser to the rest of the universe :).
I also learnt photons was necessary to explain certain energy
interchange phenomena such as fotoelectric effect or subatomic
particle interactions, wave-particle duality for me means "duality",
not "wave kaput" :) to account for EM wave well explainable
phenomenom.
As it was taught to me (I am not physicist), quantum nature of a 80 m
wavelenght energy it is useless for calculations and invisible to our
instrument resolution because its immensely large quantic number. Is
it wrong?

Miguel LU6ETJ

Photons are very useful in the analysis of transmission lines. They can
be brought into the discussion to divert it from taking a path that
makes a participant uncomfortable. If unable to answer a question
logically, simply toss photons, optics, quantum mechanics, aether, and
other confounding factors in, and presto, people will begin arguing
about the spurious concepts and forget that you've avoided answering the
difficult question. It's called misdirection, a time-honored technique
used by politicians and prestidigitators as well as promoters of
pseudoscience.

Roy Lewallen, W7EL

That reminds me that somewhere in the morass of this thread, I believe
I saw an "exchange" about whether it was more proper to think of a TEM
line in terms of inductance and capacitance, or in terms of (electric
and magnetic) fields. I suppose someone had lost sight of the fact
that capacitance is simply a model that relates energy stored in an
electric field to the applied voltage, and inductance is simply a
model that relates energy stored in a magnetic field to the conducted
current. How easy it seems for some to become so invested in a
particular viewpoint that they can't see that other viewpoints are
equally valid (and often just a different way to say the same thing)
-- and may on occasion lead to new insights. Of course, those
viewpoints that have little to recommend them don't have to be given a
particularly prominent position in our thoughts. Far be it from me to
say that 10MHz energy isn't quantized, but since the quanta are far
too small for me to measure, I seldom give them much thought.

Cheers,
Tom