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Ice cream was developed over centuries, with contributions from various cultures, but it became popular in its modern form in the 18th century. The zipper was invented by Whitcomb Judson in 1893, while the smoke alarm was developed by George Andrew Darby in the 1930s. The first practical computer is often attributed to Charles Babbage, who designed the Analytical Engine in the 1830s, though electronic computers came later with figures like Alan Turing and John von Neumann playing key roles.

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2w ago

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