Who invented the Elevator?
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Fahrenheit
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Elisha G. Otis
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Rudolf Diesel
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Thomas Alva Edison
B
Correct answer
Explanation
Elisha Graves Otis invented the safety elevator in 1852, featuring a braking mechanism that prevented the elevator from falling if the hoisting cable failed. This invention made passenger elevators safe and practical for the first time, enabling the development of tall buildings. While elevators existed before, Otis's safety device was the breakthrough that made modern elevators possible.