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Nikola Tesla, the father of modern electricity and inventor of the radio, made significant contributions to science and engineering, including the invention of alternating current, the AC motor, and wireless transmission of power and signals. However, his legacy has been tarnished by exaggerated claims about his technology, including the harnessed cosmic rays for energy and the “death ray.” Despite this, many still regard Tesla as an inspirational figure and a great inventor. He was born in Croatia and died in New York City at the age of 86, despite making millions during his lifetime.
Nikola Tesla is the father of modern electricity and the inventor of the radio. He was among the most famous scientists or engineers of the 20th century, but his fame has been tarnished by exaggerated claims about his technology. At one point, claiming to have harnessed cosmic rays for energy, built a “death ray” that could whisk away planes miles away and work on electrical transmission devices that would supposedly allow consumers to power the devices by simply inserting a wire into the ground. His claims were largely subsequently endorsed by practitioners of pseudoscience and the occult, further tarnishing Tesla’s legacy, but many sober scientists and engineers still regard Tesla as an inspirational figure and a great inventor.
Nikola Tesla was born on July 10, 1856 in the village of Smiljan near Gospić, which was then part of the Austrian Empire, now part of Croatia. On June 6, 1884, Nikola Tesla arrived in New York City, where he remained for the rest of his life until he died of impoverishment on January 7, 1943, at the age of 86. Although Tesla made millions during his lifetime through the sales of his devices, he was poor with finances and spent huge sums of money on gigantic electrical engineering projects that never paid off. However, for many, this eccentricity only added to his appeal. His eccentricity, in addition to his many contributions to science and engineering, was probably the main driving force behind his worldwide fame in the early 20th century.
The number of scientific and engineering contributions of Nikola Tesla was truly enormous. He invented the notion of alternating current, which, contrary to the beliefs of many powerful men of the day, including Thomas Edison, would never be more useful than direct current. The modern electricity grid is based on alternating current. Tesla invented the AC motor, which helped ignite the Second Industrial Revolution in the 1900s and 1910s. He invented numerous systems for wireless transmission of power and signals, the basis of radio. He pioneered the tesla coil, arc lamp, bladeless turbines, x-ray tubes, candle and fluorescent lights. The fundamental scientific unit of magnetism is named the tesla in his honor.
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