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Porcelain is made by combining clay with quartz and feldspar.
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Steel was made by iron but bends and can form different shapes easier than iron.
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the chinese invented papermaking but kept it a secret from the rest of the world so they were forced to buy paper from china. the rest of the world eventually caught on and people started making paper all over.
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The chinese invented the first magnetic compass to improve travel by sea. The first compass was made of a magnetic mineral called lodestone.
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The first mechanical clock was made with water and had drums to represent every quarter hour and bells to represent every hour.
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aichemits accidently invented gunpowder when they were trying to find a substance that would enable us to live forever.
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Before paper money was invented coins were the only form of currency.
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The chinese invented the flamethrower which is machine that sprayed fire on their enemies.
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rockets were powered by black powder and made of saltpeter, charcoal and sulfur.
