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QUESTION Why Is There Something, Rather Than Nothing? | Sean Carroll

Because the world of our everyday experience is an emergent approximation with an extremely strong arrow of time, such that we can safely associate “causes” with subsequent “effects.” The universe, considered as all of reality (I.e. let’s include the multiverse, if any), isn’t like that. The right question to ask isn’t “Why did this happen?”, but “Could this have happened in accordance with the laws of physics?” As far as the universe and our current knowledge of the laws of physics is concerned, the answer is a resounding “Yes.” The demand for something more — a reason why the universe exists at all — is a relic piece of metaphysical baggage we would be better off to discard.

zblaze 7 Feb 24
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13 comments

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1

Nature hates a vacuum. You can ask her.

I gave Nature a vacuum for her birthday. You're right. She hated it.

I'm not overly fond of vacuums, either.

1

Black holes crunch particles into the smallest possible volume, and the Universe is expanding ever faster towards infinity. Eventually, expansion is supposed to win that tug of war, black holes will loose their mass slowly by Hawking Radiation. Everything will distribute towards infinity until there are no particles between infinity and any point. Dark energy that stretches space faster than the speed of light, seems everywhere and timeless. Some kind of energy makes virtual particles pop into existence in a vacuum, everywhere. These things seem to be clues about why there is something rather than nothing, but Science cannot answer Why, because it cannot be observed.

1

Because a singularity was created when otherwise merely theoretical height, depth, width, and time lines intersected.

That's my theory. I submitted it to Wikipedia and they rejected it saying that it looked like my own work. It is. So now I know that nobody else ever thought of it. At least as far as whoever was monitoring the physics page on Wikipedia that day knows. If I had a degree in physics and the math skills to prove it I would be famous for it.Life ain't fair.

MarqG Level 5 Feb 25, 2018

What I said is neither theory nor hypothesis. All I did was mention some observations that others discovered. Both theory and hypothesis require some conclusion and prediction, usually discovered by some novel math, which I don't provide. If you have discovered something, I'm sure my statement is not significant. Your theory is safe.

@EdEarl What you said is very interesting. In particular where you mention how matter comes to be in a vacuum. My theory explains how the vacuum got there.Perhaps you might know who I could notify of my theory. Someone who's actually accessible and might even send me a, "Hmm... that's a thought!"

Perhaps its not so much of a theory as it is a new way of looking at the singularity. It even seems self evident since it must be the case that those 4 lines theoretical intersected. Take any one of them away and you're still stuck with theoretical lines.

And consider the nature of a straight line: A straight line has neither starting nor end point and is of infinite length.

It kind of sounds like the makings of a universe doesn't it?

The next question, then, would be "How did the theoretical lines come to intersect?" That would be the theory complete with its conclusion, prediction, the fancy math and a Nobel Prize.

Where's Sheldon Cooper when I need him?

@MarqG I'm a retired programmer, don't know any physicists. I can't help you, as I'm not a physicist. Sorry.

2

Something exists within the field which we call space. Once I forgot where I placed my car keys and a friend said: "they must be somewhere." I could not imagine them being nowhere. I find it interesting that Neils Bohr, a close friend of Albert Einstein, was awarded a Coat of Arms by the Royal Danish Court for his contributions to physics. It is said that he was the first commoner in their history to receive such an award. Bohr designed his own Coat of Arms and he chose the Chinese Yin Yang symbol with the Latin inscription Contraria Sunt Complementa (opposites are complementary).

[QUOTE] Contraria Sunt Complementa (opposites are complementary). [/QUOTE]

In music that's called an "inversion".

In the immortal words of Rocky the Squirrel, ":Thank you Mr. Know It All."

Nobody likes a know-it-all. -Julien Smith

1

When you live according to "cause and effect" you make good causes. Then you have assumed the responsibility for your actions, your happiness and your life. That's real power.

2

Consciousness however is just signals being interpreted but with technology the human experience could be so much more.

2

I don't see the point of this question. Yes, that's my shortcoming but I am comfortable with it.

1

Yyyyooouuuuuv'e been listening to "Dogma Debate," haven't you? 😉

1

This, or at least a similar question, is the one that really gets to me if I let it: I find that for me it is impossible to get past the conundrum of how did anything start? No matter what it was--whether one views it as religious, scientific, or something else...how was it created out of nothing? I could keep going on farther and farther back, but it still remains: how was something created?

marga Level 7 Feb 24, 2018

Good point! Where does it end? Does it ever end? And indeed, how can something come out of nothing?

If there is something, it must either come out of being or non-being. But it is impossible for being to come out of non-being, then it must come out of being. But if it comes out of being, it already is. I remember that from intro Philosophy back in college, although there may be more to the fundamental argument.

@MST3K

Something from nothing? Easy. Zero equals one plus negative one. Want me to prove it? One plus negative one equals zero.

Fun with math. How come god couldn't figure that out in his "divinely inspired" book?

@MarqG Where did the negative one come from?

@marga One example would be matter and antimatter. When one particle of matter was created its opposite was also created. Think of the universe as a duality. Up has to have a down. In has to have an out. Love has hate. Good has evil. In the end it all adds up to zero.

@MarqG where did the universe come from? where did matter and antimatter come from? In the end, it may all add up to zero...but what is "it"? And what about before "in the end"? It's something then, isn't it? And who or what was present/around/available to create the first particle of matter?

@marga
Religions says that was god. Science says, "We're trying to figure that out." Science accomplishes more in any given week than religion has accomplished (outside the arts) in thousands of years. I'm going with science.

THIS WEEK IN SCIENCE

Studies show two people can simultaneously swap information using only one photon

[sciencenews.org]
.

.

THIS WEEK IN RELIGION

Religion Is Root of World's Problems,
Study Says Most people think religion is the root of the world’s problems, according to a recent international study.

[usnews.com]

1

The existence of yourself is something, if you can consider it , it's up to you to decide.

polvy Level 3 Feb 24, 2018
1

I like his answer because, "nothing is unstable". It agrees with my thoughts, it simply does.

4

I don't know but I am glad there is, although if there was nothing it would not matter one way or another.

6

The existence of anything is evidence that something can exist.

The question of why is there something rather than nothing can be answered as: if there weren't, we wouldn't be here to question it.

JimG Level 8 Feb 24, 2018
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