Edison’s utilities used direct current which required a power plant every few miles or so. Tesla tried to convince him that alternating current was more effective and less costly to operate. Edison was stubborn and Tesla’s brilliance must have made him feel insecure.
Las empresas Edison utilizaban corriente directa que requiere una planta de energía por cada par de millas más o menos. Tesla intentó convencerlo de que la corriente alterna era más eficaz y menos costosa de operar. Edison era terco y la brillantez de Tesla, debe haberlo hecho sentirse inseguro.