translation.en: Now, we can't actually take a movie of this process, but Shawn Douglas at Harvard has made a nice visualization for us that begins with a long strand and has some short strands in it.
translation.zh: 目前为止,我们还不能把这一过程拍成电影 但是哈佛大学的Shawn Douglas 为我们做了一个很棒的视觉展示 起初的时候有一条长长的链和一些短小的链