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For several thousand years, tea-made by letting tea leaves steep in boiling water was drunk mostly as medicine. By the 8th century Tea had become a lot more popular and an everyday beverage.
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The first compasses were pieces of magnetic minerals called lodestone. Because of earth having north and south poles the magnet connected with the poles.
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Steel is made from iron , but is less brittle than iron and easier to bend into different shapes. Later they learned that blowing air into molten, or melted, cast iron causes a chemical reaction that creates steel.
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Porcelain is a type of pottery. Created by clay with the minerals of quarts and feldspar.The mixture is baked kiln, or pottery oven. At high temperatures. Light can pass through it but it is water proof.
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The earliest Chinese paper was probably made from hemp and then the bark of the mulberry tree. Later, the Chinese used rags.
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Paper money was printed from wood blocks like the game cards. By 1107, song printers were using multiple blocks of wood to print each bill. A single bill would have many colors . paper Money is the most common form of currency in the world today
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Printers used woodblock printing to make cards from thick paper. Famous artist were the ones who drew the pictures on the cards. Europeans first played with these and now people all over the world use it.
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Chinese Alchemists accidentally discovered when looking for secret for eternal life.
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Rocket Technology was developed in China during dynasty. Rockets were powered by black powder made of saltpeter, charcoal, and sulfur. Chinese used them for weapons. They developed two staged rockets witch blasts it through the air and the second dropped arrows down at enemies.
