[["Nikola Tesla was an engineer and scientist known for designing the alternating-current (AC) electric system, which is the predominant electrical system used across the world today. He also created the \"Tesla coil,\" which is still used in radio technology. ", 55.0], ["Nikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist who is best known for his contributions to the design of the modern alternating current electricity supply system. (The Tesla car mighty be named after him.)", 19.0]]
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