A common hypothesis of quantum mechanics and how it works which is spoken of a lot by quantum computing guys is that there's multiple realities that branch off one another as superpositions collapse. The "multiple worlds theory." This isn't entirely wrong but it's (at least spoken in such a manner that it's) a classical (fake and gay) explanation of a quantum (realpilled) problem. I think a much more honest hypothesis, at least according to my physics instincts, is that all realities exist on one level as a sort of superposition and collapse into the shared reality we live, i.e. there's every quantum reality but one classical reality born out of the former. Getting into speculative territory: As above, so below. At the "lowest" level the universe is just quality and quantum probability, fields which collapse upwards into particles and forces. At the "highest" level the universe has to be just quality and quantum probability, collapsing into our reality. This mirrors our understanding of quantum mechanics, if the default state of a field is "this not only can be all possible things but is all possible things but comes into 'existence' by 'choosing' to be one thing," then we have to admit reality is both all things and one thing depending on the level. There is only one world, which is "embedded" within all worlds, and what we think of as magic is the interplay between the two.