E stamos relatively accustomed to hear physicists say that between the nucleus of an atom and its / s electron / is there a huge space, just as there is between an atom and another, and thus the Universe consists mainly of empty, but ...
What is the gap? So what is it that we call particles?

separability in different parts of the world but interacting is no longer valid or relevant. Rather we should consider the universe as a whole undivided or fragmented. Its division into particles, or particles and fields, only a rough abstraction and approximation "
David Bohm, " Wholeness and the Implicate Order ."
Bohm was a strong advocate of the theory hidden variables (nonlocal ), holistic (end lately degenerated into pseudo-scientific use and enjoyment of all sizes), and acknowledged admirer of the philosophy of Krishnamurti .
This video sums up his ideas, (subtitled, but with words rather small). A classic
recently, which I, personally, I love to listen.
Tay.