他们采用实验设计的方法做了很多的小实验,综合所得的数据再得出精确设计。“花了三四个月绞尽脑汁做尽各种实验之后,很突然地我们做出了一个大胆的设计:把各种可用的(飞机、飞船所用的)技术都融合在一辆车上,从而使它足够强大。”马克说。
Lesson two: Let evidence shape your opinion
2.观点要用证据来证明
Like his peers, geophysicist Steven Jacobsen from Northwestern University believed that water on Earth originated from comets. But by studying rocks, which allow scientists to peer back in time, he discovered water hidden inside ringwoodite, which lies in the Earth’s mantle, and which suggests that the oceans gradually made its way out of the planet’s interior many centuries ago.
美国西北大学地球物理学家史蒂文·雅各布森曾认为,地球上的水源于彗星。但通过对岩石的研究,他发现地幔的林伍德石里面也藏有水,这一发现表明或许在N个世纪之前,海洋是从地球内部自己慢慢溢出来的。
“I had a pretty hard time convincing others,” he admits. Yet two key pieces of evidence uncovered this year seem to support his point of view. Time will tell whether the new theories are true, and there may be further twists to the tale. “But thinking about the fact that you may be the first person to see something for the first time doesn’t happen very often,” he says. “When it does it’s thrilling.”
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