Viewing profile — Benofiniquity
Benofiniquity
HN member- Joined
- Fri, Dec 09, 2016, 8:11 PM UTC
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About Benofiniquity
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comment
Comment #16665056
Pull the other one!
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comment
Comment #13141462
The hum you hear is actually double the mains frequency (100/120 Hz) with emphasis on odd harmonics going up. Magnetostriction gives you two expansion/contraction events per wavele…