frequency

What is a sound wave, and why 432 Hz is not magic
Pressure, frequency, amplitude and resonance in plain language, and why the 432 Hz and 528 Hz “healing tuning” claims rest on one small student…
Independent journalism on sound, waves and healing · updated daily
Tuesday, October 27, 2026 · The Sunday letter

Pressure, frequency, amplitude and resonance in plain language, and why the 432 Hz and 528 Hz “healing tuning” claims rest on one small student…