Act chew-ally, the neurons in the brain in both hemispheres will become synchronized with either one - the electromagnetic pulse or the acoustic pulse - one is the force of the electromagnetic wave, the other the force of mechanical (acoustic wave/pulse. Just like a row of mechanical metronomes that are out of synch initially will become perfectly synchronized in a fairly short time in minutes if left alone. Does that surprise you? Eons ago I surmise early man used the Schumann frequency - it was/is a natural, subconscious phenomenon - for navigation, information processing (audio, video) but modern technology attenuated the power of the Schumann which is rather weak to begin with, that’s why adding more Schumann to your diet improves the sound and the TV Picture. We were completely unaware of the Schumann frequency until max schumann discovered it around 1952. For audiophiles It was discovered 20-25 years ago when Acoustic Revive came out with their Schumann frequency generator, electromagnetic wave type.
The ionosphere level/layer changes between day and night. I wonder how that can be considered something consistent to measure.?
So what? Nobody said it is constant. Actually it prolly is constant for an entire day or an entire night. That’s how the Schumann wave behaved, even a MILLION YEARS AGO. As I just commented, we can’t hear it, the real one, these days anyway so what’s the difference? Judging from the general state of the world, the world could probably use more Schumann.
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Low frequency electromagnetic waves can propagate between the surface and the ionosphere of Earth causing a resonance that was first studied by Schumann in 1952. This Schumann resonance is related to lightning activity and climatology.
"If you want to know the secrets of the Universe, think in terms of energy, frequency and vibration." - Nikola Tesla
Some of a less scientific bent say the frequency of 7.83 Hz is Mother Earth’s natural heartbeat rhythm and endow it with healing properties.
Personally, I'd put the healing properties of the Schumann frequency in the same box as alien proctology!
"If you want to know the secrets of the Universe, think in terms of energy, frequency and vibration." - Nikola Tesla
Some of a less scientific bent say the frequency of 7.83 Hz is Mother Earth’s natural heartbeat rhythm and endow it with healing properties.
Personally, I'd put the healing properties of the Schumann frequency in the same box as alien proctology!
The fundamental Schumann frequency has a wavelength of over 38,000 km.
Next thing we know, some cheeky chappy will be marketing a device that is said to emit an acoustic wave of frequency 7.83 Hz, claiming that it makes your hi-fi sound better!
Next thing we know, some cheeky chappy will be marketing a device that is said to emit an acoustic wave of frequency 7.83 Hz, claiming that it makes your hi-fi sound better!
It would appear that Russell's teapot is in flight again!
Pfft... it's simple.
Build The Father Of All Pipe-Os...
It must be 42.875 meters long. I guess if one end is closed you might get away with 21.437 m.
Obviously, I'd recommend a big woofer and a big amp.
But be careful, if you play it too loud the Earth might disintegrate.
https://pdfroom.com/books/the-nine-billion-names-of-god/avd96xR0gKD
Galu, Hurrah!! Good one! Ethan Winer is an outstanding pseudo skeptic. Is he still hawking mattresses you put on walls? Lol
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Super Low frequencies seem to cause dizziness or worse? Is that because it’s getting closer to the ‘schuman resonance’ ? Or brain waves? Or is it a vestigial trait from when we were on the plains of Africa and could sense inclement weather or a stampeding herd of animals coming to trample us? Or scary earthquakes/cataclysms that crater ‘ptsd’?
Because it is messing with your inner ear. Brain doesn't register it consciously but it is moving those membranes.
Built a subwoofer in college. It was a DVC Pyle driver with unusually low F3. Ported box was big, somewhere around 4 cu. ft. Forget where it was tuned to. Me and a buddy were playing test tones at 10Hz with a 100W/ch Carver amp. Was fun watching the cone (and the meter needles) move. After about 10 minutes, one of the guys wandered down from his room asking wth we were doing as he had a bad headache and was nauseous. Seems the dorm was acting as a resonant chamber, focusing the 10Hz down the hall in his room. We didn't hear or feel anything sitting right next to the sub. Just sat there watching the cone piston in and out.
Hang out in a church with a serious organ with 16Hz pipe and ask someone to play it. You'll feel unsettled after a bit.
Built a subwoofer in college. It was a DVC Pyle driver with unusually low F3. Ported box was big, somewhere around 4 cu. ft. Forget where it was tuned to. Me and a buddy were playing test tones at 10Hz with a 100W/ch Carver amp. Was fun watching the cone (and the meter needles) move. After about 10 minutes, one of the guys wandered down from his room asking wth we were doing as he had a bad headache and was nauseous. Seems the dorm was acting as a resonant chamber, focusing the 10Hz down the hall in his room. We didn't hear or feel anything sitting right next to the sub. Just sat there watching the cone piston in and out.
Hang out in a church with a serious organ with 16Hz pipe and ask someone to play it. You'll feel unsettled after a bit.
Winer is a hack who wouldn't know Western Empirical Science if a hundred hardbound copies of The Structure Of Scientific Revolutions were to fall on him. Simultaneously, in a Newton Classical Space.
But it's OK, many scientists, even physicists, didn't read that book. Engineers? Forget it, we don't want engineers to read such books... Technicians, heck no!
Than you got morons like Winer. They sell their own kind of populist snake oil. See my reply to
https://www.diyaudio.com/community/threads/audiophoolery.421242/
https://en.wikipedia.org/wiki/The_Structure_of_Scientific_Revolutions
Heh... we once broke in a lab industrial shaking table by inserting as signal source the Stones Sympathy for the Devil. Band pass filtered below 200 Hz. Our shaking table was HUGE.
We were in the ground floor of a two story concrete building. The R&D guys in the 2nd floor came down running thinking we were having The Big One.
https://www.sentekdynamics.com/extra-high-force-shakers
You could copy NASA's sonic boom simulator, updated from the original JBL woofers to Dayton Titanic MKIII.
Frequency range 0-5000 Hz, somewhere in the 143dB range (6.5psi, 311Pa).
Boom.
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