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1、,Great Chinese Inventions,Can anyone tell me something about Great Chinese inventions?,Yes，I can!,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

2、it touched the iron will absorb, like a kind mother attract her own children. Later, people just called it magnet.,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

3、the sake of immortality and refining Dan medicine, LianDanShu purpose and motivation are ridiculous and ridiculous, but its the experimental method or has his merits, and finally led to the invention of gunpowder.,Papermaking was the 7th century toward to Japan. 8th century to the united Arab emirates. To the 12th century, Europe to follow Chinas way to begin the papermaking factory.,Chinas printing was the forerunner of modern human civilization, for spread of the knowledge exchange, and create the conditions.,Chinas four great inventions of our people are common labor crystallization, to

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