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指南针如何解锁世界
453,632 views |
大卫 · 比耶罗 |
Small Thing Big Idea
• January 2020
Read transcript
“如果没有指南针，那么我们所知的全部世界历史就都不会发生。” TED 科学研究员大卫·比耶罗（David Biello）解释了指南针如何改变了我们和世界的关系。
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