Quote:
Originally Posted by freebeard
All that above us and telluric currents below. We live in a dielectric plenum [like a cocoon]. Heaven forfend there should be leakage as 'blue jets' or 'red sprites' overhead.
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Whenever the potential is great enough, the air ionizes and the voltage passes as the lightning bolt. I don't see anything else happening down 'here' beyond what we already experience.
I've never been impressed by telluric currents. Scientists directly measured them in an abandoned Trans-Atlantic telegraph cable, between the USA and Europe, and essentially walked way empty-handed. And that was with a copper cable.
Imagine what you're going to measure in 'rock.'
