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Exploded after being hurled at enemies by a war machine called a catapult. The sound of the exploding shells terrified their horses, grenades, and small bombs, were lit and thrown by hand.
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Considering how important it is for
recording and transmitting information, few inventions touch our daily lives more than paper. -
An innovation of a vessel called a paddle wheel boat made this type of travel must faster, Chinese adapted this idea by arranging a series of paddles in a wheel. People walked
on a treadmill to turn the paddle wheel, which in turn moved through the water, moving the boat forward. -
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. -
Dripping water made the wheel turn. Every
quarter hour, drums would beat; and every hour, a bell would chime. The sounds let people know what time it was. -
Tea had become a hugely popular everyday beverage throughout China. Tea—made by letting tea leaves steep in boiling water—was drunk mostly as medicine.
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Alchemists experimented a substance that might allow people to live forever, with mixtures of natural ingredients.
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Famous artists drew the designs that appeared on the backs of the cards, and today s. Today, card games are played throughout the world.
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Song printers were using multiple wood blocks to print each bill, and . Paper money is the most common form of currency in the world today.
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At first gunpowder was used for fireworks, Later Chinese used them for weapons.
