This is one different part between micro-world and macro-world.

In math, we know finite dimension space is very different from infinite dimension space. That is why ``functional analysis" is really hard and useful.

In phyics,  the difference between Newtonian dynamics and quantum mechanics is so huge and amazing.

 

所有跟帖： 

• 如果量子纠缠存在，微观即宏观，纠缠即因果。个体是光子，夫妻是捉对纠缠，社会关系是群纠缠。 -鲁美丽- ♀ (161 bytes) () 11/12/2018 postreply 10:25:57

• You are right. I don't know many things and so we need to learn. -Euro-dollar- ♂ (20 bytes) () 11/12/2018 postreply 10:35:36