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Jan 11, 2022 at 19:48 comment added Vectornaut Mind-blowing! A simple fact of life (the expected power of a choir's sound is proportional to the number of singers) becomes baffling when you think about it (... even though the power of the choir's expected sound is zero?!) because it's actually a subtle fact about random walks (the variance of a random walk is proportional to the number of steps).
Oct 29, 2015 at 13:52 comment added Fattie Spectacular! (The metronome example is fascinating.)
Oct 27, 2015 at 17:15 history edited Dave CC BY-SA 3.0
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Oct 27, 2015 at 17:07 history answered Dave CC BY-SA 3.0