1 ene 1882 año - Safe electric current (AC)
Descripción:
Thomas Edison (United States) opened the Pearl Street power station in New York City. The power station was one of the world's first central electric power plants and could power 5,000 lights. It used a direct current (DC) power system, unlike the power systems that we use today which use alternating current (AC).
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1 ene 1882 año
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~ 143 years ago