What do we do with them? This process is able not just to recycle them, but to recycle them infinitely. 那我们能做些什么呢？我们不仅应该让水瓶可以回收再利用，而且应该让这个过程无限进行下去。 Why is that interesting? Because when we think about
I went to a public high school on Long Island. Syosset high school. Ooh, Hello Syosset. 我念的是长岛的公立高中。西奥赛特中学。哇哦，你们好，西奥赛特的校友们。 The girls I went to school with had Prada bag and flat-ironed hair and they
演说题目：This tiny particle could roam your body to find tumors 演说者：Sangeeta Bhatia 演讲稿 In the space that used to house one transistor, we can now fit one billion. That made it so that a computer
One illustration of the transformational power of technology is in Kibera. 一个与科技改革力量有关的例子发生在基贝拉 Kibera is one of Africa's largest slums. 基贝拉是非洲最大的贫民窟之一 It's on the outskirts of Nairobi, the ca
