Bob’s thoughts on Schumann Resonances
•
For technical reasons, I remain skeptical that any PEMF products can
resonate with the Schuman frequencies of the earth-ionosphere system.
•
That is not to say that these frequencies do not work well for PEMF, in fact they
seem to work just fine, but in my opinion not for the reasons many people think.
My skepticism is based upon one opinion and two facts:
•
OPINION:
The references on the Internet to Schumann Resonances in PEMF therapy were first put
forward by marketers to lend credibility to their products. It sounds cool and “earthy”. But these
claims are based upon fictitious “NASA” experiments that never happened. If you disagree, do not
send angry emails claiming “NASA has published 2000 studies….” Just send me one study from NASA
showing that Schumann Resonance has a biological effect. Just a
single
one. Send the entire reference,
not just a title or a link to a blank page. This is very easy to debunk. If I am mistaken, I will thank you.
•
FACTS:
(1) the phase of the earth-ionosphere Schumann wave is not detected by any PEMF system, because detection of
Schumann resonances requires large and highly specialized equipment, so even at a precise Schumann frequency,
commercial PEMF systems are just as likely to be in anti-resonance as in resonance. They could cancel, not resonate.
(2) Schumann frequencies vary slightly with changes in the earth-ionosphere cavity geometry, so even a precise non-
phase-locked open-loop pulse generator will result in beat frequencies, where: f
beat
= ( f
system
- f
earth
) / 2
thus generating an amplitude modulation of much lower frequency.
https://en.wikipedia.org/wiki/Beat_(acoustics)
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