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rdtsc
on July 9, 2017
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Before 1948, LA's Power Grid Ran at 50hz
Just like in politics, a lot of that opposition was manufactured by PR. Apparently Edison's company publicly executed an elephant using AC current to show the "dangers of AC".
https://en.wikipedia.org/wiki/Electrocuting_an_Elephant
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Search:
https://en.wikipedia.org/wiki/Electrocuting_an_Elephant