RE: 火药的发明

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火药的发明

in hive-180932 •  3 days ago 

中国的四大发明：

造纸术：发明于汉朝，促进了文化的传播和知识的记录。
印刷术：包括木刻印刷和活字印刷，极大地提高了书籍的生产效率。
指南针：最早用于航海，帮助人们在海上航行，促进了贸易和交流。
火药：最初用于烟火和礼仪，后来在军事上发挥了重要作用。
这四项发明对人类历史和文明发展产生了深远的影响。
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hive-180932
3 days ago by

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