TED演讲:消灭铺张浪费,我们需要重新认识节俭(6)
you can isolate it, and it works very much like carbon fiber. 你可以对它进行分离,它的性质跟碳纤维非常相似。 So, take that from a tree, form it into fibers, and then those fibers can strengthen things, such as airplanes, bu
Ted英语演讲:拉蒙娜·皮尔森:一个意想不到的治疗之地
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奥巴马演讲 建设21世纪清洁能源经济3
And so the idea of a smart grid is, if you can hook up a national electricity grid that is state of the art and it has switches and computer monitors that are able to help regulate the flow of electri
TED演讲:为什么头盔不能预防脑震荡?(4)
Now, the way that we're approaching this problem to try to understand the mechanisms of concussion 当下,我们通过这样一个设备研究这一问题,从而试图理解脑震荡产生机制, and to figure out if we can prevent it is we are using a device li
TED演讲:银行是如何被掏空的(4)
By 2006, 40 percent of all the loans made that year, all the home loans made that year,were liar's loans,40 percent. 截至2006年,当年发放的所有贷款,当年的所有房屋贷款中四成是欺骗性贷款。高达四成啊,亲。 And this is despite a warning fro