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invention category A group or set of inventions that are classified together because of common characteristics. Invention groups that include Agricultural, Communications, Computing, Energy, Transportation and more.
Besides the four great inventions : paper-making, printing, gunpowder and the compass, Ancient China contributed countless other inventions to the world, H ow many other creations do you know? Below is a list of the 20 inventions created by ancient Chinese and some may surprise you. The invention of paper greatly affects human history. Paper already existed in China since 105 A.C, however, a eunuch named Cai Lun (ca. 50 AD â 121) made significant innovation and helped drive its widespread adoption.