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reeling from the realisation that analogue audio is the same thing as alternating current, something that should have been obvious in retrospect but i hadn't internalised until now
an inverter is a pwm square wave oscillator and a low pass filter and there is a technical standard for how much harmonic distortion your solar farm can have
the national grid is a synthesiser
@hikari but a pretty boring one, only plays one note (50hz or 60hz).
