Parallel universes

If we believe space and time are infinite, by law of probability we can say that there is an infinite amount of other worlds undergoing the exact same path as us in the exact same way. In other words, there is a person in another world exactly like me, doing and thinking the exact same thing i’m doing right now. So if I believe in paralell universes, my infinite exact counterparts do too. And if I say “hello inifinite counterparts of me” then all the counterparts are saying hi too. So i just said hi to an infinite number of my counterparts and an infite amount said hi too at the same time. 😉

Parallel universes can happen because the theory allows for an infinite universe, but there’s only a finite way that stuff can be organized, so sooner or later our universe is bound to repeat.                                               

There are only so many ways matter can arrange itself within that infinite universe. Eventually, matter has to repeat itself and arrange itself in similar ways. So if the universe is infinitely large, it is also home to infinite parallel universes.

Does that sound confusing? Try this:

Think of the universe like a deck of cards.

“Now, if you shuffle that deck, there’s just so many orderings that can happen,” Greene says. “If you shuffle that deck enough times, the orders will have to repeat. Similarly, with an infinite universe and only a finite number of complexions of matter, the way in which matter arranges itself has to repeat.”

Greene thinks the key to understanding these multiverses comes from string theory, the area of physics he has studied for the past 25 years. 

In a nutshell, string theory attempts to reconcile a mathematical conflict between two already accepted ideas in physics: quantum mechanics and the theory of relativity. 

“Einstein’s theory of relativity does a fantastic job for explaining big things,” Greene says. “Quantum mechanics is fantastic for the other end of the spectrum — for small things. The big problem is that each theory is great for each realm, but when they confront each other, they are ferocious antagonists, and the mathematics falls apart.” 

String theory smooths out the mathematical inconsistencies that currently exist between quantum mechanics and the theory of relativity. 

If, when I was growing up, my room had been adorned with only a single mirror, my childhood daydreams might have been very different. But it had two. And each morning when I opened the closet to get my clothes, the one built into its door aligned with the one on the wall, creating a seemingly endless series of reflections of anything situated between them. It was mesmerizing. I delighted in seeing image after image populating the parallel glass planes, extending back as far as the eye could discern. All the reflections seemed to move in unison — but that, I knew, was a mere limitation of human perception. To be sure, reflected images don’t have minds of their own. But these youthful flights of fancy, with their imagined parallel realities, resonate with an increasingly prominent theme in modern science — the possibility of worlds lying beyond the one we know. 

“An infinite number of appearances with a finite number of outfits ensures infinite repetition.”

Infinite variations of ourselves, our lives and our solar system are within the theorist’s realm of possibility.

Lots of recent research in physics has made the canvas of reality look much wider than we ever imagined. Our most refined cosmological theories indicate, for instance, that the big bang, which created our own universe, may not have been a unique event. There may have been (and may still be) various big bangs at far-flung locations, each one creating its own universe. Our “everything” may be just one enormous expanding bubble in a gigantic cosmic bubble bath of universes. 

“There are many perfect copies of you out there in the cosmos, feeling exactly the same way. And there’s no way to say which is really you.”

Imagine that I line up all your duplicates and ask: “Which of you is the David Gelernter?” All of them would raise their hands, and none of them is being deceptive. Each of these beings really thinks that he is you. And each is fully justified in saying so. Each has had all of your experiences, and each has all your memories. My point is that none of the clones is any more justified than any other in having this thought. There is no “real” you that is somehow distinguished from the others. It depends on whether you’re looking from within a mind or from outside.

,,The most incomprehensible thing about the universe is that it’s comprehensible.,, (Einstein) 

,,Your reality is the sole reality. You are alone. Your consciousness is all there is.,,

 

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