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[第 73 期] 科普文章推荐:微博-刘大可先生《关于“植物身上的黄金分割”的叫你恍然大悟的文章》 #791

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jwenjian opened this issue Aug 21, 2019 · 0 comments

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@jwenjian
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以下为文章部分内容摘抄:

首先要知道,“植物身上的黄金分割”说的是什么:

image

就如上图这棵龙舌兰所示,植物顶端会不断向周围分生出新的芽,那么找到两个相邻的芽,把它们与植物顶端分别连接起来,就会构成一大一小两个角,那个较小的角θ1总是137.5°左右,较大的角θ2当然就是 360° - 137.5° = 222.5°,那么它俩的比值就刚好是黄金分割,1.618。

image

动态的观察生长过程, 如下图:
image

以上摘抄只是文章开头引言,文章较长, 不过很有意思。

原文链接:https://card.weibo.com/article/m/show/id/2309404407466321379574

@ruanyf ruanyf changed the title 科普文章推荐:微博-刘大可先生《关于“植物身上的黄金分割”的叫你恍然大悟的文章》 [第 73 期] 科普文章推荐:微博-刘大可先生《关于“植物身上的黄金分割”的叫你恍然大悟的文章》 Aug 23, 2019
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