Notes on infrasonic data center noise

The problem: Hyperscale data centers are a major source of noise pollution. A lot of the noise is very low frequency noise or infrasound — noise that is below the measured range of human hearing. Infrasound can still have negative effects on the human body, and some people seem to be very sensitive to it. Minnesota&rsquo;s standards for noise pollution specify dB(A), A-weighted decibels, as the…