Nylon : the world ' s first true synthetic fiber was invented by wallace carothers , whose team at dupont discovered while investigating polymers that one very strong polymer could be pulled out into a strand 尼龙：世界上第一种真正的合成纤维是华莱士?卡罗特尔斯发明的，当时他在杜邦公司领导着一个科研小组，从事聚合物研究，结果发现有一种质地良好的聚合物竟可以被拉成细丝。
