What's an order of magnitude among friends?
Posted Feb 2, 2013 18:25 UTC (Sat) by nix
In reply to: What's an order of magnitude among friends?
Parent article: Quotes of the week
The motors would tend to give off a ~1200 Hz (e.g. 72K cycle per minute) whine.
Right around the human hearing frequency optimum, and right in the range critical for comprehension of human speech.
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