What can actually happen is that if you're in an enormous laboratory, which is made up of an enormous object, then you will find that you can, in fact, attach it to the wall.

其实真实的情况就是,如果你在一个巨大的实验室里,这个实验室由巨大的物体组成,你就会发现能够,将它与墙相连

耶鲁公开课 - 基础物理课程节选