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Coolness.
Electricity is generated at power plants. You know that already. But to really understand how it gets to your house—and why you can count on it getting there reliably—you have to understand that our electric system is more complicated than it looks. The electric grid isn't just about you and your connection to a power plant. There are lots of thing that have to happen behind the scenes to make sure your refrigerator stays cold and your lights tur...
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