material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

发表于:2018-12-02 / 阅读(66) / 评论(0) 分类 Scientific American(十二)月

Now, I'm not against glass. It's an ancient and versatile material. 我并不是反对使用玻璃。玻璃毕竟是一种古老且通用性强的材料。 It's easy to manufacture and transport and install and replace and clean. 它们易于大量生产

发表于:2018-12-05 / 阅读(24) / 评论(0) 分类 TED演讲设计篇

This is Scientific Americans 60-Second Science. I'm Cynthia Graber.This will just take a minute. Imagine giant fields filled with photovoltaic solar panels, soaking up rays. The best spots to put such panels are obviously sunny, with little rain. But

发表于:2018-12-24 / 阅读(25) / 评论(0) 分类 Scientific American(八)月

Soon, your phone's cracked screen may have its own healing factor. 在不久的将来,摔碎的手机屏幕或将能够自我修复。 Scientists from the Department of Chemistry at the University of California, Riverside have developed a self-heal

发表于:2019-01-07 / 阅读(24) / 评论(0) 分类 英语新闻

Graphene: The Material of the 21st Century 21世纪的新材料石墨烯 Graphene is a type of graphite mineral. Experts often call it 'The Material of the 21st Century' because of its special properties. Some U.S. companies are already using graphen

发表于:2019-01-12 / 阅读(38) / 评论(0) 分类 2015年VOA慢速英语(三)月

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2014年(二月)