600,000 BC-AD 1299 : The first inventions -- 1300-1779 : Printing and the spread of ideas -- 1780-1869 : Steam power and the Industrial Revolution -- 1870-1939 : Electric power and the Modern World -- ...
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Science history: Invention of the transistor ushers in the computing era — Oct. 3, 1950
On Oct. 3, 1950, three scientists at Bell Labs in New Jersey received a U.S. patent for what would become one of the most important inventions of the 20th century — the transistor. John Bardeen, ...
Was the printing press invented before the Aztec Empire fell? History isn’t just about what happened – it’s about when. In this quiz, you’ll be asked to put events in the correct chronological order.
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