Why is it that we're never observing this, for example, why is it the table doesn't diffract as we bring it through the door?

那么为什么我们,从来观察不到它呢，举个例子，搬动一个桌子穿过门,它为什么不衍射呢？

麻省理工公开课 - 化学原理课程节选

They did this in Bell Laboratories, and they found that, in fact, the electrons did diffract.

他们在贝尔实验室完成了这项工作，他们发现实际上，电子确实发生了衍射。

麻省理工公开课 - 化学原理课程节选