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哪怕是创造了辉煌灿烂文明史的中国人，一直到清朝，都依然坚守着天圆地方的"常识"。并不是古人的智商普遍比我们现代人低，事实上，人类的智商在 5000 多年中并没有明显的提升，现代人的"聪明"只是我们的知识积累和教育水平在提升的假象。古代的先哲们之所以很难接受"地球"这个客观事实的真正原因，依然是那个让毕达哥拉斯也想不通的问题：如果地球真的是球形的，那么为什么我们不会走着走着就脚朝上头朝下而"掉下去"呢？我想再三提醒你们，这并不可笑，而是一个非常严肃的问题。以至于在此后的 2000 多年中，有多少聪明无比的古代科学家们都被这个问题折磨一生，他们的常识，也就是自然而然的上下观念，和观测到的大地是球形的证据产生了严重的矛盾。直到一个叫做牛顿的惊世天才的出现…… * 更多内容记得订阅科学声音，第一时间通知（subscribe 🔴） https://www.youtube.com/channel/UCUBhobCkTLhgfUNRAgHSYmw 🔸点赞🔸评论🔸分享🔸 ---------------------------- !!!其他不可错过的精彩大片!!! 【寻秘自然】探寻自然科学的 4 大终极谜题 https://www.youtube.com/playlist?list=PLrpsOAujCCNwcxfawR6Sp8I-TiXTm_Y7E 【宇宙自然生命简史】融知识与人文于一体，囊括自然科学最吸引人的知识和话题 https://www.youtube.com/playlist?list=PLrpsOAujCCNwdhaUPj53hBBhMpItq84Sy 【太阳系新知】最近20年人类对太阳系认真颠覆性的改变（完结） https://www.youtube.com/playlist?list=PLrpsOAujCCNz-qVyT7zzt91n9hg83lNFI 【世界未解之谜】世界之大无奇不有 https://www.youtube.com/playlist?list=PLrpsOAujCCNxdVOA9FRu9gmjz4mVEq3sW 【医学有故事】人类的寿命越来越长离不开这些人的努力 https://www.youtube.com/watch?v=Ud0U56S674U&list=PLrpsOAujCCNwAlhsWxuw_QXRyc6DNgh3E
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