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I've been reading the work of Greek and modern philosophers, and I think that I know how the cosmos truly operates.


Rather than having one universe that changes, every moment is its own universe, and every universe is still and static, unmoving and unchanging.


Like the frames in a reel of film, or the drawings in a flip book, movement and time are both illusions, the past and future are just as real as the present, and the universe at all points In it's history exist simultaneously, at the same time.


This applies to us as well, since we are part of the universe, and that means that the you which exists now is a different entity from the you that exists now, reading this at a slightly different time.


It's at the sub Planck scale of time that the transitions occur, and the changes are so small between each universe, and that we can think about the experiences our past selves had had, we perceive the illusion of a singular universe In a state of Flux.


Just as a cartoon character would see themselves as being a single  changing and moving being inhabiting a single changing and moving universe.


But from a perspective on the outside, we see the truth, the character is not one but many, all of his iterations is completely still, and the same is true of the world he experiences.


This mind-blowing idea is known as eternalism, and block time.


These concepts could be combined with the idea of the multiverse to say that our universe of a part of a tineline that Is one of many timelines.


I think there should be multiple timelines because there nothing in physics that denies the possibility of sending objects back in time, so multiple timelines would have to exist to account for the paradoxes of causality that would otherwise emerge from that.


Time travel of the sort where objects or beings or information are retrojected back in time could only change events, not the more fundamental rules of nature like gravity or thermodynamics.


Those are the laws and constants of our reality, the natural properties of the whole multiverse, nothing you could do with unrestricted time travel technology or even the most unlimited resources within the multiverse could possibly change them, because all you have access to is the ability to effect only what exists within the universes, for you yourself are merely a bit of the content of the universes, from which you may never escape.


The true nature of the multiverse is that there is one timeline for every possible series of permutations of matter and energy within the universes that exists between the beginning, where they expanded out of a singularity, to the middle, where they stop expanding and start collapsing, to the end, where they collapsed back into a singularity, so that the cycle of the timeline's history could begin again.


The limits that determine what is possible are the natural laws and constants of our multiverse, and outside our multiverse are many multiverses, one for every possible set of laws and constants.


The physicist max tegmark would likely have this ultimate ensemble of multiverses be limited only by mathematics, one multiverse for every mathematically possible set of natural properties (laws and constants).


Combining this concept with the ideas of quantum mechanics would add to this model in one of two ways. 


The first in that the timeline we exist in is in the shape of an ellipse, and that the series of universes from one singularity to the other occurs again on the way back from that singularity to the first one mentioned here.


That the return trip would be full of the opposite subatomic particles to those of our own universe,  meaning that if ours is full of matter, theirs is full of antimatter, which would switch over and have the same sequence of universes occur, but with different stuff composing their contents.


The second possibility in that rather than one continuous trip around, the timeline is instead two trips occurring at once, on both sides, from one singularity to the other, and then back again, with it either being the same order of universes in the opposite direction, meaning time flows backwards, or the order of universes is reversed on the way back, meaning time moves forwards, but then means that the universes are either deleted and recreated, or that they shift about, or that their contents somehow shift in this context.


The whole matter is made clearer when you try to imagine it visually, or you could draw it out if you lack the visual kind of mind which I possess.


If you could imagine this, you be able to picture what that would mean for the multiverse as a whole.


If all timelines share the same two singularities, they must be arranged beside each other, if they all form an ellipse, then the whole of them would be like an oval structure, like the shell of an egg, but symmetrical, without a flattened end, or like an American football, but more rounded, less pointed.


It'd be divided into two halves, and one half would be different to the other by way of the particles that compose their contents, for example, if one has matter, the other has antimatter.


And I'd hold that if this multiverse appears as a half dyed egg, then this egg should have a yolk, and the yolk would be some sort of core to the multiverse, a nucleus with an important role, which would be the natural properties that rule the multiverse and it's timelines, like the gravity of a star which places planets in elliptical orbits around it, or an atom with electrons buzzing around its center, it feels fitting that the macroscopic cosmos would resemble the same structures which we find the microscopic level within it.


Patterns exist because they work, and the same thing would work at multiple levels if scaled up or down.


Basically, I think everything is both ever still and ever in motion, depending upon your perspective frame of reference, I think that not only are all things possible, but also that all things are real, and real at the same time, because all moments exist at the same time, even the most blatantly non real things are real, with perhaps the sole category of exception being those things which are logically impossible, or necessarily impossible because they are self contradictory