And they're at the heart of a field we call nanotechnology, which I'm sure we've all heard about, and we've all heard how it is going to change everything.
이것들이 나노기술 분야의 핵심이죠. 다들 나노기술에 대해  들어보셨을 거예요. 또 이것이 세상을 어떻게  바꿀 건지도 들어보셨겠죠.