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The Chinese made a compass that points south when they are on boats going a diffrent destination.
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Aichemidts accidently discovered gun power he was trying to find out a way to make us immortal
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the early sign of paper were made from hemp and then the bark of the mulberry tree. Later, the Chinese used rags.
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Printers usedwoodblock printing to make the cards from thick paper. Famous artists drew the designs that appeared on the backs of the cards.
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The Chinese devised a wheel that made one complete turn every 24 hours. Dripping water made the wheel turn. Every
quarter hour, drums would beat; and every hour, a bell would chime. -
Some historians think that the Chinese produced the first porcelain as early as the 1st century C.E.
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Steel is made from iron, but it is less brittle than iron and easier to bend into different shapes.
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a Chinese engineer completed a new type of arched bridge. In Europe, Roman-designed bridgesrested on arches that were half-circles. The new Chinese bridge used arches that were a smaller part, or segment, of a circle.
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For several thousand years, tea,made by letting tea leaves steep in boiling watet,was drunk mostly as medicine. but in year 800 it became a popular drink throughout China.