translation.en: You know, you probably had this a long time ago in chemistry, where you had these two atoms, they're close together, and the electrons are moving around. That tiny force is sufficient to allow them to do that because it's added up so many times with these small structures.
translation.zh: 你可能还是很久以前在化学里学的这个 两个原子，靠得挺近 电子绕着它们动。这个小小的力足够 完成这个因为它被加成了许多许多次 通过这些小小的结构