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tea is made by leaves and boiling water. It started being popular in the 8th century.
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paper money was printed with wood blocks. some used numerous wood blocks to print more paper money faster.
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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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pottery called porcelain. It is very delicate and is most of the time called china.
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China invented paper. The earliest Chinese paper was
probably made from hemp and then the bark of the mulberry tree. Later, the Chinese used rags. -
The printer first drew characters (symbols) on
paper. He then glued the paper to a wooden block. When
the glue was dry, the printer carved out the wood around
the characters, leaving the characters raised on the wood. n the 7th century -
We use this every day. The first invention was in the 8th century. Yi's clock operated with water steadily dripping on a wheel that made a full revolution every 24 hours.
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Alchemists experimented with mixtures of natural ingredients, trying
to find a substance that might allow people to live forever. They also searched for a way to make gold out of cheaper metals. By the 10th century, the Chinese had made the first weapon that used gunpowder: the flamethrower. Early flamethrowers contained gunpowder mixed with oil. The Chinese used them to spray enemies with a stream of fire. -
Rockets were powered by a black powder made of saltpeter, charcoal, and sulfur. At first, ockets were used only in fireworks. Later, the Chinese used them as weapons. They even developed a two-stage rocket for their armies. The first stage propelled the rocket through the air.
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Printers used
woodblock printing to make the cards from thick paper. Famous artists drew the designs that appeared on the backs
of the cards. Europeans were introduced to card games by the late 1300s. Today, card games are played throughout
the world.
