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terrestrial stationary wave

electrical engineering

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contribution by Tesla

  • Nikola Tesla
    In Nikola Tesla

    …as his most important discovery—terrestrial stationary waves. By this discovery he proved that Earth could be used as a conductor and made to resonate at a certain electrical frequency. He also lit 200 lamps without wires from a distance of 40 km (25 miles) and created man-made lightning, producing…

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