Even the production of silicon chips uses sand.

甚至硅芯片的生产也使用沙子。

The silicon chips are smaller than a child's hand. Each one has living cells that act and react like a human organ.

这些硅晶片比小孩的手还要小，每个都有能像人体器官一样运作和反应的活细胞。

Fab plant is used to talk about one where hi-tech manufacturing of silicon chips – the main components of computers – takes place.

Fab plant 用于谈论高科技制造硅芯片（计算机的主要部件）的地方。

Intagliata:  Still, they all pointed out that silicon chips first reached this level of complexity a long time ago—in the 70s and 80s—and had to overcome many similar challenges to get where they are today.

Intagliata：尽管如此，他们都指出，硅芯片在很久以前——在 70 年代和 80 年代——首次达到了这种复杂程度，并且必须克服许多类似的挑战才能达到今天的水平。