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Old 08-12-2004   #6 (permalink)
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FrankM
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Piezoelectric earth

Actually I gave the Ag scientists too much credit beyond their expertise. They may be good as spotting
anomalous animal behavior but they do not know exactly what level of electrical current a particular
animal is sensitive too, you would have thought that someone would have done that. For a standing animal
just what is the most sensitive path? You can do a lot of testing in controlled conditions. You can measure
the animals leg to leg conductivity separately but you have to apply a known potential to determine an
animals sensitivity. Tsk, tsk, animal testing. Until you know what animals are sensitive to you will not
know how to construct an artificial sensor.

At dairies you know you are dealing with a 60 cycle AC (alternating current) potential (50 cycles in some
countries), but earthquake generated currents do not have predictable periodicities. You would think it
would be simple to detect if there were stray ground currents, especially if you know they are from a
known AC source, but the stray ground currents at a dairy are spread out. Earthquake generated
charges spread out over kilometer areas, and you don't know the rise time of the charge, or whether it
consists of just one big moving charge, or if it's stepped, or if it's symmetrical, or its latency, etc.

I began examining the nature of in-ground electric charges in an attempt to understand the characteristics
of the electric potential and currents in underground cavities. Everyone that hikes through mountains
is warned never to seek shelter in shallow caves and mines when there is a nearby thunderstorm. I
actively sought answers from academic sources in earth sciences and mining with the following question,
"What are the measured potentials and currents in different types of caves and mines (depth, size and
shape), in ambient conditions versus during thunderstorms?" I also wanted to know if they measured
wall to wall along with floor to ceiling potentials and currents.

The answer, it hasn't been measured.


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Permittivity has character in the absence of mass.
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