Great Chinese Inventions四大发明

Papermaking was the 7th century toward to Japan. 8th century to the united Arab emirates. To the 12th century, Europe to follow China's way to begin the papermaking factory.
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China's printing was the forerunner of modern human civilization, for spread of the knowledge exchange, and create the conditions.
China's four great inventions of our people are common labor crystallization, to our country and even the world made a profound impact.
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• The compass to the location of a judge is a simple machine. Predecessor is SiNan .
• The compass was made of magnet. The magnet can absorb iron, usually called lodestone, the ancient called CiShi because it touched the iron will absorb, like a kind mother attract her own children. Later, people just called it magnet.
Module 2 Unit 4 Inventions
Great Chinese Inventions
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Chinese inventions
The four great inventions of ancient China refers to the world has a great influence on the four inventions. Namely papermaking, the compass, gunpowder and printing .Four great inventions in the human's civilization have the important position in the world. So China become one of the symbols of ancient civilization. These inventions through various ways to spread to the west, the history of the world civilization has also had a big impact.
Gunpowder is Chinese Han nationality invented in sui and tang dynasties, it has more than one thousand years. The gunpowder study began in ancient taoist LianDanShu, ancient people for the sake of immortality and refining Dan medicine, LianDanShu purpose and motivation are ridiculous and ridiculous, but it's the experimental method or has his merits, and finally led to the invention of gunpowder.