translation.en: Now, you might be wondering how does this all work, and essentially, what it is, is 900 linear actuators that are connected to these mechanical linkages that allow motion down here to be propagated in these pins above.
translation.zh: 现在你也许想知道这一切是如何运作的， 本质上来说，它是把900个线性传动器 全部连通到这些机械联动装置上， 好让下面的动作能被传送到 上面的这些方块上来。