Questions tagged [universe]

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What could be before Big Bang

The question is, what was before Big Bang 13 billions years ago.. I know that Big Bang is questioned as a four-dimension fact. So time was one dimension and it was created in a moment of Big Bang. ...
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Has any physicist advocate for both Putnam's thesis of “Logic is Empirical” and the Multiverse?

Philosopher Hilary Putnam proposed a very interesting thesis 1, advocating that Logic itself may be empirical. I have found another interesting article 2 by the physicist Matthew S Leifer where he ...
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Is it possible philosophically that the entire cosmic void with one or more universe/s inside it will stop exist eternally?

As a conscious agent who suddenly appeared in this cosmic void as a child to my parents and got a consistent memory since about the age of 3; With time I have learned of the question "why is there ...
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4answers
3k views

Is it possible that we are stuck in a loop of endless life?

There are three assumptions for the question. 1) The flow of time is permanent. 2) The universe is repeatedly destroyed and recreated. 3) The initial physical structure of a brain at birth determines ...
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1answer
333 views

Questions about Frank Tipler's Omega Point theory?

He defends in that theory that God could become real, but that he would be limited. He wouldn't be strictly the same God as the one in classical religion. He couldn't do/know the physically and ...
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If universe is infinite and time is infinite, doesn't that mean that “after-life” exist?

Here is the reasoning... If universe is infinite and time is infinite, then there has to be an instance where our life is 100% simulated (in some computer and such). And there has to be an instance of ...
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3answers
477 views

Would it be logically possible that the Universe has a beginning in time but an infinite amount of time has elapsed since this beginning?

Imagine that the Universe had a temporal beginning but no temporal end. At the beginning the Universe has a finite size, and as time passes its size increases exponentially. And the number of ...
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1answer
316 views

Are there universes where rules of mathematics do not follow?

According to Max Tegmark the ultimate reality is the Mathematical world. Mathematically possibility also refers to physical possibility. Can there be such a type of universe where mathematical ...
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6answers
9k views

Is it possible that I'm “God” or a special being/deity?

I know the first thing you may be thinking upon reading this, but there's more to this than you may have assumed. This is not one of those crazy questions where ego-driven maniacs simply call ...
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3answers
229 views

Is this a good reasoning? That 3D Universe is shadow of 4D Universe [closed]

It may sound crazy but, in this 3D world there is nothing 2D, other then our shadow. Is it good to say that the shadow of 3D object is 2D, then shadow of 2D object would be 1D. Hence this 3D universe ...
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2answers
135 views

The passing of time

Did the passing of time come before everything else? As in, how long was there "nothing"? And if we can put a time on that, wouldn't time itself be something? And if so, is time the thing that "...
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1answer
289 views

Deterministic or stochastic universe?

Just a little bit before my graduation from computer science, I attended a course about computational intelligence, and my professor then challenged us to debate on whether the world/universe follows ...
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1answer
89 views

Is it there any specific and well known continous/analog alternative to Wheeler's discrete “It from Bit”?

Physicist John A Wheeler (https://en.m.wikipedia.org/wiki/John_Archibald_Wheeler) suggested the concept of "law without law" and "it from bit" which suggested that the universe did not have any laws ...
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6answers
2k views

Can everything that exists have no beginning or end?

Can everything that exists have no beginning? I'm not asking about religious notions (as all the other questions I saw on here seemed to be about), if there must be a God to create a universe that ...
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Proof Universe Came From Nothing?

Consider the following proof: (1) Let the Universe be defined as the set of all things. (2) It is impossible for a thing to come from itself. (You can't be your own parent) (3) 2 implies a set of ...
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12answers
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If the universe has a beginning does that prove God exists?

It is curious to note that a eminent Physicist like Stephen Hawking thinks the universe has a beginning. This has some rather startling Religious implications You can find the link here: http://www....
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4answers
337 views

Can our universe be a simulation without simulator?

I have a deviating understanding of the simulation hypothesis. If I look at our universe as simulation, then it seems to me irrelevant whether this simulation is actually executed or not. In my ...
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7answers
3k views

Is it theoretically possible for a bottomless pits to exist in a finite universe?

Assuming that our universe is finite, is it still theoretically possible to have a bottomless pit? This all really depends on the definition of bottomless pit. I don't know that I can accurately ...
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3answers
2k views

Are the laws of order and chaos in our universe unequal? How did that ratio come to be set? Can we scientifically measure that ratio/constant?

A few friends and I sat watching trash TV under the influence last night, and we inevitably started chatting to avoid the white noise facing us. Somehow this chat sparked off a chain of thoughts in me ...
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1answer
109 views

Does Gregory Chaitin propose a computable or an uncomputable ontology?

Gregory Chaitin is a mathematician who thinks that the universe is itself a computer, or similar... He has written papers closely related to the field of hypercomputation (For example, he invented the ...
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1answer
77 views

Can the height in another dimension look different from different dimensions? [closed]

Can the height in another dimension look different from different dimensions that we know? For example, can the width looks different than we see it?
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0answers
66 views

Mathematical Universe

I have a beginner question on the type of claims this book or similar theories make. That book claims that universe is math structure. I just want to clarify if I correctly understood his goal: Does ...
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1answer
142 views

Cause and Effect - Finished infinity [closed]

I have a question it's best if I give you an example right away. Our universe has its limits. in terms of the effect or cause e.g. if we kill a human for some reason will also have the effect. I'm ...
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1answer
251 views

Is it there any model of the universe (considered by physicists) which would be the product of a simulation?

There are various philosophical theories that propose that the universe is the product of a simulation. But I was looking for theories that propose this and are also considered by physicists (not only ...
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1answer
277 views

Can the Universe Be Infinite?

Some think that the universe is infinite. To convince one in the creditability of the idea they point mainly at our inability to conceive of its spatial limits. Hence, here, I use 'infinity' (of the ...
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1answer
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Can a different universe be built with three dimensions? [closed]

Can you theoretically create a universe that will have the same dimensions but will look different? For example, a paper that has a limit, or another similar dimension can it be different?
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2answers
152 views

Is it possible to mathematically define a hypercomputer-universe where things that could not be computed by it could exist? [duplicate]

There are a few physicists that propose that the universe is a hypercomputer. One example is Roger Penrose, who, basing in his quantum interpretation (https://en.wikipedia.org/wiki/...
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5answers
341 views

What pushes life to live?

I tried to word the question differently from all the "why does life want to live" questions on the internet. My question is not about the mental consciousness of being alive, but more about the ...
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3answers
2k views

What would a fractal universe tell us about Time?

To begin with let's look at what is known as the coastline paradox. Briefly it goes like this: If you measure the circumference of Britain with a 1km long stick, and then do the same with a 100m long ...
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0answers
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Does the idea that universe obeys logical laws paradoxical?

Sorry if this is the wrong place, I've asked this question elsewhere, and I've been told this place is better for this. Here is the idea: The universe obeys logical laws or it does not. If it does ...
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2answers
318 views

Is it light that is first or darkness? [closed]

A friend asked about what the existence of darkness in the universe is, and that it's white light instead of darkness. And I said if the universe was only white, how can you see all the planets or a ...
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1answer
337 views

Pandeism vs. Atheism vs. Darwinism: Do they achieve the same result?

Is there any conceptual difference between "Pandeism" and "Atheism" and "Darwinism"? It seems they achieve the same result about the universe's creation. I mean Pandeists achieve the same result ...
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Can Schmidhuber's hypothesis reproduce all types of universes? And Wheeler's it from bit? Or Weizsäcker's ur-theory?

I found a paper that talked about paraconsistent logic systems (https://en.wikipedia.org/wiki/Paraconsistent_logic) and trivialist systems (https://en.wikipedia.org/wiki/Trivialism) and the ...
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2answers
678 views

What is the most basic thing? [closed]

I wanted to know that what is the most basic or the basicestest thing that makes up the universe? Just like a wall is made up of bricks and bricks are made up of atoms and atoms are made up of ...
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739 views

Why does anything happen?

Intuitively, stuff happens because we decide it should happen. If you don't do anything, nothing will happen. And your decisions come from your concsiousness. However, in the Universe, things are ...
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2answers
93 views

Are all unobservables in physics very small?

Are all unobservables in physics very small? I think I've read that the interior of the sun is an unobservable, and so entity realists like Ian Hacking have to claim we can't know anything at all ...
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248 views

Is time more “real” than math and, if so, why?

How is time different from math? Is time a part of math? For me time is like math rather than a "real" thing. Time is just a tool rather than a "fundamental thing". I feel confident saying that an ...
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3answers
306 views

Are There Alternatives to Determinism and Stochasticism?

From my physicist's point of view, there are basically two ways of seeing the world: The world can be fundamentally deterministic or fundamentally stochastic (see also indeterminism). I believe that ...
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1answer
116 views

Is there the creator overseeing us all. How does He do that? [closed]

Is there the creator overseeing us all. How does He do that? Is that possible due to His omnipresence and being independent of 3+1D (x, y, z, ct) limitations? My previous question and related to ...
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4answers
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How is the “I” the universe?

I have heard a lot of remarks claiming that the "I" is the universe. I understand that we are all part of the universe. But how AM I the universe? Some take it even further and claim that the "I" is ...
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4answers
182 views

Has the universe no identity?

1) A thing has an identity if there's something else delimiting and defining it. 2) The universe (intended as the totality of things) has necessarily no identity, because being the totality of things,...
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4answers
644 views

If the Universe(s) didn't exist, Would all maths still exist?

Many scientists say that maths transcends creation, the future, it exists for all time. For example the Mandelbrot is just an equation that can still exist when the universe goes cold. Because I don'...
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2answers
164 views

What's the role of “idealistic” philosophies of well-regarded scientists?

What's the role of "idealistic" philosophies of well-regarded scientists such as Max Tegmark's "Mathematical Universe Hypothesis"? https://en.wikipedia.org/wiki/Our_Mathematical_Universe It has been ...
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2answers
64 views

Infinite realities: Theoretically if the sun burned out or if all resources were used up, in another universe could it have not happened at all?

This is assuming that infinite realities exist. I have no physics or philosophy background, I am writing a science fiction novel. That being said, please dumb down your answers for me.
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6answers
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Does all matter exist forever?

I was reading about non-duality (spirituality / philosophy) that discusses the idea that everything in reality is one, since any matter can become any other matter, (a tree can become a chair and a ...
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4answers
332 views

Theory of everything and God

I always reach this point when I think about physics and God: Assume that a theory of everything is found. And this ToE is a successful mathematical description of the entire universe. EDIT: By "...
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1answer
73 views

Isn't the universe a hypocrite? [closed]

The universe, throughout its existence, seems trying to minimize all the things (or trying to find most simple/easiest state/way or Nash equilibrium, whatever you call it). According to the second ...
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2answers
89 views

Are fate and the power to choose two separate dimensions?

It seems that we can say that we are completely governed by the universe but then at the same time step into a state of freedom to choose and have the power of will. How is it possible that both ...
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2answers
178 views

Is it, a priori, more likely that an unknown object does not exist than that it does?

For me, intuitively the answer seems to be yes. But I don't know how this could be justified a priori. The hypothesis "x does not exist" seems not to be simpler than the hypothesis "x exists". By the ...
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277 views

Is a cyclical model of time and the universe logically valid, and which philosophers (if any) have proposed such a model?

If we accept the following premises: 1: An event (such as a Big Bang) happened. (I use the phrase Big Bang, because many are familiar with that as the "Initial Cause", but this theory would ...