大英百科全書online版
http://www.britannica.com/eb/article-36830/printing

History of printing > Origins in China

By the end of the 2nd century AD, the Chinese apparently had discovered printing; certainly they then had at their disposal the three elements necessary for printing: (1) paper, the techniques for the manufacture of which they had known for several decades; (2) ink, whose basic formula they had known for 25 centuries; and (3) surfaces bearing texts carved in relief. Some of the texts…

糟糕，怎麼大英百科全書都寫錯了...
都說是你所說的支那人發明的..??