What's an order of magnitude among friends?

Posted Feb 2, 2013 18:25 UTC (Sat) by nix (subscriber, #2304)
In reply to: What's an order of magnitude among friends? by rgmoore
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.