Serbian inventor, electrical engineer, mechanical engineer, & futurist Nikola Tesla died #OTD in 1943. He discovered & patented the rotating magnetic field, the basis of most alternating-current machinery. He also developed the 3-phase system of electric power transmission. In 1891 he invented the Tesla coil, an induction coil widely used in radio technology. He conducted a range of experiments with mechanical oscillators/generators, electrical discharge tubes, & early X-ray imaging.
Tesla's work fell into relative obscurity following his death, until 1960, when the General Conference on Weights and Measures named the International System of Units (SI) measurement of magnetic flux density the tesla in his honor. There has been a resurgence in popular interest in Tesla since the 1990s.
Nikolas Tesla also built a wirelessly controlled boat, one of the first ever exhibited. He pursued his ideas for wireless lighting and worldwide wireless electric power distribution in his high-voltage, high-frequency power experiments in New York and Colorado Springs. In 1893, he made pronouncements on the possibility of wireless communication with his devices. via @wikipedia
"Let the future tell the truth and evaluate each one according to his work and accomplishments. The present is theirs; the future, for which I really worked, is mine."
On patent controversies regarding the invention of Radio and other things, as quoted in "A Visit to Nikola Tesla" by Dragislav L. Petković in Politika (April 1927)
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