The young scientist thus started his experiments to make an ac motor by using the forces of “magnetism and induction” (Burgan, 35). At that time, Thomas Alva Edison was establishing “companies in Europe to provide electric power for lighting and street cars” (Burgan, 37). Nikola’s boss in the telegraph company secured him a job there, in France (Burgan, 35). In 1884, one of his bosses again came to his help. The head of the Paris operations of the Edison’s company assigned him to New York to work with Edison himself (Burgan, 39).
And he soon impressed Edison with his skills. Edison offered fifty thousand dollars to Tesla if he could improve the DC generators used in Edison’s power stations (Burgan, 42). But when he finished his work, he realized that Edison had told him that as a joke and disappointed by this, Tesla quit the job (Burgan, 43). Soon Tesla started his company, ‘Tesla Electric Light and Manufacturing’, producing ac motors, transformers and distribution systems (Rajvanshi, 6). Ac motor was built by him, based on the rotating magnetic field (Seifer, 56).
But his investors had some disagreement with his ideas of ac motor and he was thrown out (Rajvanshi, 6). After this, he had work as a laborer for almost one year to make a living. In 1887, Tesla designed and made the brushless alternating current induction motor and demonstrated it before the engineers of American Institute of Electrical Engineers (Rajvanshi, 6). Soon he joined the Westinghouse Electric & Manufacturing Company in its Pittsburgh labs (Rajvanshi, 6). In 1891, Tesla established his own laboratory, the South Fifth Avenue laboratory and in the same year proved that wireless transmission of electric energy was possible (Seifer, 57-58).
In 1890, when Nikola Tesla showed for the first time that high frequency current can heat up meat and this became the basic theory behing the invention of micro wave oven (Rajvanshi, 7). He created the Tesla generator in 1895. In 1894, Tesla had also publicized a model of wireless communication through radio. Slowly, Tesla became one of the most popular scientists of his time. At the same time, “a war of currents” raged between Edison’s company and Westinghouse (Rajvanshi, 8). Westinghouse had bought Tesla’s patents in 1889.
Before Tesla invented the rotating magnetic field, all the electricity generating factories had to stay close to rivers (Seifer, 56). But Tesla’s invention got rid of the need to have commutators and all the coal-operated power stations also could be got rid of (Seifer, 56).
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