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[For a technical answer, it's interesting to read the comment by AnimalMuppet https://news.ycombinator.com/item?id=19700979 ]

What??? Every Physicist believes that the uncertainty principle apply to any object from galaxies to elementary particles. So if you try to not apply the uncertainly principle in a particle collision in the CERN, they will think that you are crazy. But if you try to add the uncertainty principle to the simulation of the movement of the objects in a galaxy, they will think that you are crazy too because the difference is very small and the calculations are much more complicated.

There are some application of the uncertainly principle to neutron stars, and IIRC to the background radiation. Nobody thinks that the uncertainly principle doesn't apply to big objects, it just that in most cases the difference is ridiculously small.

Perhaps the “mathematization” of the physical world is a leaking abstraction, perhaps no. We don't know. If you can prove that “we’ll never really know what the world is made up of” you will get a Nobel prize. But you will need a real proof, not handwaving.



Maybe "the physical world" is a leaky abstraction!




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