The AUM Blog
Frequency, sound & the science behind it
Solfeggio tones, tuning debates, binaural beats, subliminal audio, cymatics — the folklore is fun, but here's what's actually been measured, and what hasn't.
What Are Solfeggio Frequencies, Really? A Guide to 396–963 Hz
Where the six-tone solfeggio scale actually came from, what each frequency is said to do, and where tradition ends and evidence begins.
Tuning432 Hz vs 440 Hz: Does Tuning Actually Matter?
The real history of the 440 Hz standard, the conspiracy theory that follows it around, and what listening tests actually show.
Binaural BeatsBinaural Beats, Explained Without the Hype
How two tones a few Hz apart create a beat that isn't really there — and what the research says about focus, sleep, and mood.
SubliminalsDo Subliminal Affirmations Actually Work?
What the famous 1990s subliminal-tape studies actually found, and the very different, well-supported effect they get confused with.
CymaticsCymatics: What Sound Looks Like When You Can See It
The real physics behind sand, water and sound forming symmetrical patterns — and where the science stops and the mysticism picks up.
AstronomyThe Music of the Spheres, and the Stars That Actually Ring
Pythagoras said the planets sing in harmony — a 2,500-year-old belief. Modern astronomers found something different and real: stars genuinely ring, and telescopes catch it.