longitudinal waves

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longitudinal waves

Drasko Cvijovic
I think that there should be no strict polarization between "believers" and "scientists" within this group if we separated facts from interpretations.

Particularly, I am interested in what are the facts about "longitudinal waves"?! They should have some characteristics. I am ready to believe they exist, but previously I would need to have any idea what they are, how they occur, spread etc.. So please help me by a short description, or a www link about rational approach to such entities called longitudinal waves.

One more request for clarification: would there be any measurable difference after applying RFI/EMI filters, as I don't measure any electrosmog coming out the lines (except, normally, the power frequency)!?

Drasko


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RE: longitudinal waves

Lachlan Mudge
I have a question relating to "longitudinal electromagnetic waves". Regarding
the magnetic field surrounding power lines, this field is expanding and
contracting 50 times per second, since the current wave associated with this
field has a frequency of 50Hz. A person near a power line is therefore exposed
to a magnetic field which expands and contracts in all directions around the
power line. Although strictly speaking, this is a 'field' and is seemingly
connected to the power line, isn't a person effectively under the influence of
something like a longitudinal magnetic wave when standing near a power line?
The field, by definition, does not behave like a wave, however I fail to see
how the impact of this field on a person standing near a power line is
drastically different to that of a longitudinal wave, which presumably might be
radiated from this field under certain conditions (in a similar manner to the
way that a transverse electromagnetic wave is radiated from a transmitter).
Presumably this is like being in the near field region of a form of transmitter
(and I know the characteristics here are different from those in the far field
region, however I don't know exactly how different or whether some completely
different phenomenon is observed). Furthermore, an electric field also exists
around a power line, which is associated with the voltage wave, and this field
also surrounds the power line and is expanding and contracting at the same rate
as the magnetic field. Could this not explain how people could be experiencing
the effects that would result from being exposed to a longitudinal
electromagnetic 'wave', without there actually being a wave as such, but rather
a concurrent pair of alternating fields?
Like most people, I find this topic very confusing and I do not profess to
understand what Tesla or anyone else might have meant by longitudinal
electromagnetic waves, however I think I understand what distinguishes a
longitudinal wave from a transverse wave. I would appreciate it if someone
with a better understanding of these things could tell me where my reasoning is
flawed.
On a similar topic, according to my very limited understanding of radiation
transmitters, just after a quarter way through each cycle, i.e. after the
magnetic field around a conductor has reached it's maximum strength and begins
to decay, a portion of the energy carried by the field detaches from the wave
and is radiated to the environment (this phenomenon is presumably responsible
for a proportion of the significant amount of energy lost during power
transmission). I am not sure about the nature of this 'detached' energy, apart
from the assumption that it is radiated as some form of wave/s, which could
either be transverse (and I imagine some or all of the energy is in this form),
longitudinal or a combination of both. Again, if someone can clarify any of
this it would be a great help.
Thanks
Lachlan

-----Original Message-----
From: Drasko Cvijovic [mailto:[hidden email]]
Sent: Tuesday, 24 February 2004 11:16 AM
To: [hidden email]
Subject: [eSens] longitudinal waves

I think that there should be no strict polarization between "believers" and
"scientists" within this group if we separated facts from interpretations.

Particularly, I am interested in what are the facts about "longitudinal
waves"?! They should have some characteristics. I am ready to believe they
exist, but previously I would need to have any idea what they are, how they
occur, spread etc.. So please help me by a short description, or a www link
about rational approach to such entities called longitudinal waves.

One more request for clarification: would there be any measurable difference
after applying RFI/EMI filters, as I don't measure any electrosmog coming out
the lines (except, normally, the power frequency)!?

Drasko


[Non-text portions of this message have been removed]





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