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  1. Oct 2022
    1. The super heated steam is used to spin the blades of a turbine, which in turn is used in the generator to turn a coil of wires within a circular arrangements of magnets

      I didn't know this until last year, but almost all coal burning and natural gas burning in only used to create steam from liquid water in order to drive turbines. I always thought coal burning produced energy directly.

    1. Since the Clean Air Act Amendments of 1990, there have been significant decreases in the amount of sulfur oxides escaping from the electric power plants

      It is good that the Clean Air Act has been revised so many times, but it is also a testament to how little we know, even when we think we've identified the problem.