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For several thousand years, tea—made by letting tea leaves steep in boiling water — was drunk mostly as medicine. However, by the 8th century C.E., tea had become a hugely popular everyday beverage throughout China.
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Alchemists invented gunpowder thinking it could give eternal life.
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Porcelain is made by combining clay with the minerals quartz and feldspar.
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They discovered how to stop the spread of disease by using disinfectants and steam
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It consisted of a horizontally mounted bow, with a stock and trigger mechanism added.
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Chinese devised a wheel that made one complete turn every 24 hours; dripping water made the wheel turn.
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Printers used woodblock printing to make the cards from thick paper.
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Paper money was printed with wood blocks, and the bill would have a lot of colors.
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Rockets were powered by a black powder made of saltpeter, charcoal, and sulfur.