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指南针还是指北针？Ancient Chinese Compass

中国古代的四大发明：

  1. 指南针

  2. 造纸术

  3. 印刷术

  4. 火药

指南针的前身是 “司南”；采用天然磁铁矿石琢成一个勺形的物件，摆在平面上时，勺柄所指的方向便是正南。为什么是勺子形状？合理的推断是根据北斗七星形状的而造的。北斗七星本身就是个大勺子呀。一旦找到北斗七星，就能找到北极星，找到北极星，你就找到北了嘛！


The Four Great Inventions of the ancient Chinese were:

  1. Compass

  2. Papermaking

  3. Printing Techniques

  4. Gunpowder

Ancient Chinese Compass, which was known as "Sinan" , was very different from the compasses we use today. Sinan involves the shaping of a piece of naturally magnetized metal ore into a spoon like artifact, where its handle is south pointing when spun to rest on a flat surface. Why spoon? A reasonable rationale is the "borrowing" of the Big Dipper in the sky! If you are able to find the Big Dipper, it will point you to the location of Polaris. There! You have your north!

 
 
 

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