Nikola Tesla's contributions were foundational to modern society, especially in areas such as electricity and engineering. His pioneering work on the alternating current (AC) system revolutionized how electricity is generated and transmitted, making it feasible for widespread use. Tesla's inventions included the induction motor and the Tesla coil, which laid the groundwork for advancements in radio technology and telecommunications. His visionary concepts extended to wireless energy transmission, influencing the development of technologies we depend on today. Tesla's legacy continues to impact modern science and technology, embodying the spirit of innovation.