translation.en: And I had snuck in this article on these things called carbon nanotubes, and that's just a long, thin pipe of carbon that's an atom thick, and one 50,000th the diameter of your hair.
translation.zh: 我读到关于碳纳米管的文章 是一种长薄的管状碳 只有一个原子的厚度 是头发的直径的五万分之一