Jim Kelley wrote:
Cecil Moore wrote:
Wave interference indeed
can cause a redistribution in the direction of energy flow.
Not correct.
There you go again, playing semantic games, and trying to force
your pet definition of "cause" on the rest of the world. You
have obviously tried to redefined cause to mean "first cause",
a concept that has so many holes in it that you can use it for
a sieve.
By saying the above, you are disagreeing with the following web page:
http://micro.magnet.fsu.edu/primer/j...ons/index.html
What you don't seem to grasp here is that's exactly the
same as saying 'a standing wave pattern causes energy to be
redistributed'.
The existence of standing wave indeed does cause energy to be
redistributed. Where the standing wave voltage is zero, the net
energy is redistributed into the H-field. Where the standing wave
current is zero, the net energy is redistributed into the E-field.
It is all because of the standing wave. If the standing wave didn't
exist, that wouldn't happen. Therefore, standing waves cause
energy to be redistributed. A causes B. B causes C. C causes D.
Of course, the standing waves are only one item in a cause and effect
chain. The standing waves are an effect caused by interference between
forward-traveling waves and rearward-traveling waves. The forward-traveling
wave is an effect caused by a source. The rearward-traveling wave is an
effect caused by a mismatched load. The source and the load are caused by
human beings. The load is caused by human choice. Humans beings are caused
by ... See where your "first cause" concept leads? i.e. nowhere!
Following your above logic, I assume you would say the Big Bang
is the cause of everything and nothing since then has been the
cause of anything.
Wave interference is simply the visible manifestation
of a redistribution of energy. It is a result. It is not the cause of
the redistribution.
Wave cancellation is permanent and is first an effect and then a
cause in a long line of cause and effect events. I see now why
your argument cannot tolerate the concept of a before and after.
The two signals coming from two different directions incident upon
an impedance discontinuity cause reflections. Wave cancellation is
caused by permanent destructive interference between two of those
reflected waves. The Wave cancellation in turn causes the energy to
be redistributed. Let's parse the following so even you can understand it:
"All of the photon energy present in these waves must
somehow be recovered or redistributed in a new direction,
according to the law of energy conservation ..."
Wave cancellation causes an energy redistribution. This is obvious
to anyone except someone who believes the Big Bang was the only
cause ever. You remind me of the bully who beats up his wife and
then says, "She caused me give her that black eye."
Here's your logic once again. Lightning hits my ICOM and fries it.
Was lightning the cause? No. Was a low pressure depression the
cause? No. Was whatever caused the low pressure depression the
cause? No. There must have been something before that. Maybe the
proverbial butterfly flapping its wings in China? See how
silly your argument is?
--
73, Cecil
http://www.qsl.net/w5dxp
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