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241.
Who invented the first practical sewing machine, which greatly improved the efficiency of clothing production?
Explanation:
242.
Who is known for the discovery of the electron and the development of the plum pudding model of the atom?
Explanation:
243.
Who is famous for developing the theory of general relativity, which revolutionized our understanding of gravity and the cosmos?
Explanation:
244.
Who is known for the invention of the steam locomotive, which transformed transportation and industrialization?
Explanation:
245.
Who is famous for the invention of the telegraph and the development of Morse code?
Explanation:
246.
Who is credited with the discovery of penicillin, the first widely used antibiotic, in 1928?
Explanation:
247.
Who is known for the invention of the telephone, a device that revolutionized long-distance communication?
Explanation:
248.
Who invented the first practical incandescent light bulb, a major advancement in lighting technology?
Explanation:
249.
Who is the inventor of the World Wide Web (WWW), revolutionizing the way information is shared and accessed online?
Explanation:
250.
Who developed the first successful polio vaccine, a crucial step in the fight against polio?