According to prof. Peacock the Universe is one of the multiuniverses that existed before what we call the Big Bang with many different energy densities of the vacuum. When the energy density dropped sharply we have what we call the Big Bang, then followed inflation in a very short time and the Universe expanded.I am trying to resume a lesson which I heard today in a video provided by the University of Edinburgh as the final lesson on the Higgs field. This drop in energy density was caused by a scalar field which is not the Higgs field, because it does not give the right cosmological parameters. So it is still to be discovered.
Tullio

:)

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rOZZ
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I just can't get my head around "no beginning"; then again, I couldn't understand what caused the "singularity", either.

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The mind is a weird and mysterious place

I wish I could post the video of prof.Peacock lesson's but obviously I cannot. He said a few things that I still have to meditate and understand completely.
Tullio

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So: it doesn't appear to be the case that a "Big Bang" is in dispute. It seems that whether or not there is only one universe is the question. Can anyone devise a test that might prove or falsify this theory. If not, then anything goes.

Probably every model universe gives a different numerical value to cosmological constants. They must then be compared to observed constants within an accuracy of 55 decimal places, writes a physicist friend of mine in a different blog.
Tullio
John Ellis, a CERN physicist, says in video also shown by Edinburgh University that cosmology is the testing ground of elementary particle physics.

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So: it doesn't appear to be the case that a "Big Bang" is in dispute. It seems that whether or not there is only one universe is the question. Can anyone devise a test that might prove or falsify this theory. If not, then anything goes.

http://en.wikipedia.org/wiki/Multiverse

Mathematics is the language of the Universe..

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rOZZ
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you will form a circle. The relationship between the length of the string and the circumference of that circle wiill hold true in any universe anywhere.

That may not be true if the alternate universe is not flat. Try it on a basketball.

In a curved universe Euclidean geometry falls flat on it's face. You can draw an infinite number of lines through two points.

Very interesting article:

http://www.livescience.com/42839-the-universe-is-math.html?cmpid=514627_20150311_41853926&adbid=10152614649731761&adbpl=fb&adbpr=30478646760

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rOZZ
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A fanciful idea to be sure. I think that it is more correct to say that Mathematics has a lot of hidden structure and that it does describe what happens and what we can expect to happen in our physical world. It is not always consistent--solving quadratic equations to describe our physical world will give two answers--one often has to be discarded--such as getting a negative number for a length.

To say that the universe "IS" math reminds me of that old philanderer Bill Clinton's remarks about it depends on what the definition of "IS" is.

I say that my very nice automobile is made of steel, plastic, glass and rubber. There may be mathematics that were used in the design and processes of producing this machine. To say that my car is Mathematics is one Metaphor too far.

I prefer the old trite saying "it is what it is" and what it is is steel, glass, plastic and rubber.

I did a somewhat scholarly paper on hidden structure in mathematics and the fibonnaci sequence. If anyone wants it sent me a private message

I like what I am reading! This is partly agreeing with my own long held theory about the universe. But there are too many "mights" for any conclusions yet. It is as much a theory as mine is, but first time I've found anyone seemingly agreeing with me.

According to new research, there might not have been a big bang. Instead, the universe might have existed forever. The theory was derived from the mathematics of general relativity, and compliment Einstein’s theory of general relativity.

“The Big Ban singularity is the most serious problem of general relativity because the laws of physics appear to break down there.” – Ahmed Farag Ali, Benha University, Co-Author of the study. The big bang theory postulates that everything in existence resulted from a single event that launched the creation of the entire universe and that everything in existence today was once part of a single infinitely dense point, also known as the “singularity.”

This is one out of many criticisms regarding the big bang theory. There are many considerations to be pondered. Can something come from nothing? What about quantum mechanics and the possibility that there is no moment of time at which the universe did not exist?

“The scientists propose that this fluid might be composed of gravitons—hypothetical massless particles that mediate the force of gravity. If they exist, gravitons are thought to play a key role in a theory of quantum gravity.

I have a problem with the underlined word. Something must have come from nothing. How can our beginning be infinite? In my opinion the universe will end in an infinite darkness once the elements of which stars are formed, are exhausted. I mentioned before here that the period before the big bang is a subject for theologians and philosophers and I'm afraid I have to remain at my standpoint. Very frustrating.

The above mentioned fluid would be dark energy I presume?

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rOZZ
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Over 75% of the universe is composed of stuff we know practically nothing about. It makes sense to me that with such great unknowns out there we have little hope of unravelling the big mysteries. One person's hunch is as valid as another person's theory. We do know with a fair degree of certainty that the earth will not be here forever even if the universe will be. The big question is, will mankind survive long enough and become educated enough to figure out a way to move on when our sun gets too hot, or will we either blow each other up for some stupid reason, or make earth uninhabitable for humans, or get driven to extinction by some natural disaster. I'm pretty sure I won't be around to get an answer to that question and probably neither will the rest of you.

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Bob DeWoody

My motto: Never do today what you can put off until tomorrow as it may not be required. This no longer applies in light of current events.

The third law of thermodynamics comes to mind, the unattainability of zero. Our big bang did not have any beginning. Black holes in our Universe are the result of a collapse of matter due to gravity (the weakest of the forces.) We all know a singularity as the result of the influence of a force but which force 'created' the singularity of the big bang?

If the third law of thermodynamics is correct, where did our very beginning sprout out? Which force was needed to provide the large amount of energy the big bang produced?

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rOZZ
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We all know a singularity as the result of the influence of a force but which force 'created' the singularity of the big bang?

If the third law of thermodynamics is correct, where did our very beginning sprout out? Which force was needed to provide the large amount of energy the big bang produced?

The four natural forces was created in the Big Bang.
So we have to look for forces outside our universe.

Does thermodynamics work in a singularity?
I think you need space and time.

Did The Universe Really Begin With a Singularity?
http://profmattstrassler.com/2014/03/21/did-the-universe-begin-with-a-singularity/

Can you condense energy into almost nothing?

Of course we can.
Energy doesn't have size.

The third law of thermodynamics comes to mind, the unattainability of zero. Our big bang did not have any beginning. Black holes in our Universe are the result of a collapse of matter due to gravity (the weakest of the forces.) We all know a singularity as the result of the influence of a force but which force 'created' the singularity of the big bang?

If the third law of thermodynamics is correct, where did our very beginning sprout out? Which force was needed to provide the large amount of energy the big bang produced?

That is d problem with current science...they r trying to make sthg from 0 - it would give them meaningless in their atheistic altruism...
but most people on this World can't be wrong...nor does science have to be opposed to (any) faith...we r not in middle ages, after all! ;)

nope, about singularity & Black bang...why?
we haven't seen that big Black holes...nor can we comprehend them! & there is a limit of the size of Black holes! ;)
probably the current Space is one of the many iterations of cosmological balance forces...the one which works & it's created in Universe which is without boundaries...

Also, Black holes also r under Thermodynamics laws...how?
Check the evaporation energies of Black holes & their death...so yes, they obey the 3rd Th.Law! ;)

We all know a singularity as the result of the influence of a force but which force 'created' the singularity of the big bang?

If the third law of thermodynamics is correct, where did our very beginning sprout out? Which force was needed to provide the large amount of energy the big bang produced?

The four natural forces was created in the Big Bang.
So we have to look for forces outside our universe.

Does thermodynamics work in a singularity?
I think you need space and time.

Did The Universe Really Begin With a Singularity?
http://profmattstrassler.com/2014/03/21/did-the-universe-begin-with-a-singularity/

if it works "just outside of them" & it works in "intake of Black holes & exhaust of particles of Black holes (emissions)" - then we can speculate that it works within ALSO! ;)

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non-profit org. Play4Life in Zagreb, Croatia, EU

Quiz: is a black hole a black body?
Tullio

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Quiz: is a black hole a black body?
Tullio

Yes.
A blackbody is an object that absorbs all incident electromagnetic radiation, and thus not reflect anything.
But according to the theory of Hawking radiation emit any black hole radiation as known pattern from black bodies.
This would provide the ability to say that a black hole has a well defined temperature which depends on the mass of the hole - the larger the mass, the lower the temperature.
A black hole with a mass equal to the sun (2 × 10^30 kg) would emit blackbody radiation as if it came from an object with a temperature of 60 nK.

Einstein got his nobelprize for his findings of black body radiation.

Quiz: is a black hole a black body?

Umm no , I say it's RED prove me wrong !

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No Big Bang !!!!!! mmm sort of fits in with others but as for it being infinite not if Dark Energy or Matter has anything with the universe speeding up

And "Yes" you can make something out of nothing . It's done at Cern every time they start it up and collide things together

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