So now if I tell you that flash memory works by rotating small magnets, then you can imagine it.

所以现在如果我告诉你闪存是通过旋转小磁铁来工作的，那么你就可以想象了。

And the key is that when a cube starts rotating the edge magnets actually get close to one another.

关键是，当立方体开始旋转时，边缘磁铁实际上会彼此靠近。