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The Chinese invented the art of paper making by the second century.
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The Chinese developed the first mechanical clock in about the 8th century. The new clock was more accurate than earlier timekeeping devices, such as sundials and hourglasses.
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The Chinese who first made gunpowder were alchemists, people who practiced a blend of science and magic known as alchemy.
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Game cards were invented in China in about the 9th century. Printers used woodblock printing to make the cards from thick paper.
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We know from written accounts that the Chinese have been drinking tea since 2700 B.C. For several thousand years, tea-made by letting tea leaves steep in boiling water-was drunk mostly for medicine.
