What does the world's largest machine do? - Henry Richardson
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Our everyday actions affect the grid even though it spans such large parts of the world. The grid is so finely tuned and must be kept in such perfect balance that in England the electric grid operators have to be prepared for halftime of major football matches when everyone gets up to make tea with electric kettles. A political dispute between Serbia and Kosovo where generators did not supply sufficient power causing a drop in grid frequency that eventually added up to such a degree that clocks across Europe that rely on the grid frequency for timekeeping fell behind by more than 6 minutes.
To learn about this massive machine that powers so much of the modern world yet remains mostly invisible, consider studying this resource. It covers the electric grid in much greater detail, including the physics behind electricity generation, how power markets work, and how grid operators ensure the lights stay on.
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