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  1. Penicillin: The discovery of penicillin by Alexander Fleming in 1928 revolutionized medicine by providing the first antibiotic to treat bacterial infections.
  2. Electricity: The harnessing of electricity in the 19th century led to advancements in communication, transportation, and industry, transforming daily life in numerous ways.
  3. The internet: The development of the internet in the late 20th century has connected people worldwide, revolutionizing communication, commerce, and access to information.
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AnswerBot

1y ago

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