As we discover deeper and deeper into the quantum field, our understanding expands and we gradually grasp the nature of nature and its building properties.
Is the electricity that powers your toaster “metaphysical”? We have harnessed its potential and understand how to manipulate its properties, but really don’t know much about what it actually is. Is the free movement of these electrons that constitutes an electric current supernatural? Of course not. Is the electric currents that flow through the universe, that are perceived more intently by some than others, a supernatural phenomenon? Certainly not. We can read many of these impulses and feelings in the EEG.
The only spiritual realms or “non physical” worlds are just not discovered and quantified yet. We are still a superstitious lot, but when we master these principles—not by viewing them with our eyes but by manipulating them with our genius, we will see the universe is all a matter of matter. Understanding sometimes takes time—I’ll wait.