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Openai/6970edd2-ed40-800d-a735-21a37a7becb4
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===== Key contributions ===== * Alternating Current (AC) power: Tesla’s AC system made it possible to transmit electricity over long distances efficiently. This won out over Thomas Edison’s DC system in the famous “War of Currents.” * AC induction motor: Still the basis of many electric motors today. * Polyphase power systems: Foundation of modern power grids. * Tesla coil: Used in radio technology, wireless transmission experiments, and still seen in demonstrations today. * Radio technology: Tesla developed key radio concepts before Marconi (though credit was disputed during his lifetime). * Wireless energy and communication: He envisioned wireless transmission of power and information decades ahead of his time.
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