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Closing In On The Quark-Gluon Plasma
Martin writes "A series of presentations and a press conference was held today at Brookhaven National Laboratory about new
results from the Relativistic
Heavy Ion Collider. The latest run was finished only a few weeks
ago. The results are a new milestone in the search for the Quark-Gluon Plasma, a new
state of nuclear matter. The data were analyzed on large
Linux clusters at BNL and in Japan and France, with the biggest cluster of
about 1100 dual-CPU nodes located at the RHIC
Computing Facility. It's nice to see that results are out so soon
after the data were taken. There were previous stories about RHIC on /.,
here(1),
here(2)
and here(3)."
Pretty cool.
I've heard of strap-ons, wouldn't a gluon hurt when removed?
Trolling is a art,
I was all excited about this at first, but it turns out that it's just a milestone in the search for quark-gluon plasma. I guess I'll have to put up with plain old photon-muon plasma for a couple more years.
Boromir, son of Faramir, King of Gondor and Minas Tirith
"The data were analyzed on large Linux clusters at BNL..."
Who would've thought that the musical group Bare Naked Ladies ran linux.
This sig has no nutritional value...
Give Star Trek writers a larger vocabulary.
"Captian, it will take at least an hour to clean the quantum-transductor of all residual Quark-Gluon plasma!"
The surprise isn't how often we make bad choices; the surprise is how seldom they defeat us.
Experience has shown that "pure" research often leads to applications the researchers never imagined.
Cutting research to areas with "immediate applicability" is quite in fashion in some circles. (The same circles, coincidentally, that do not usually do something for the benefit of mankind. Corporates come to mind.)
The top, purple band is the realm where QGP can exist, at very high temperatures above 1,000,000,000,000 degrees.
Is that in Celsius or Fahrenheit?
Sig? What sig? Do I have to have a sig!?!?
We will not know until we get there...
I believe that there is far too little basic research going on these days.
There is nothing more basic then finding out how all this matter/energy around us works.
Well, let's see... One time the cavemen managed to smash certain rocks together and reliably get sparks -> fire. Pretty much the basis of civilization...
i did my ph.d. in particle physics and this question gets asked many, many times. the typical answer from physicists would pull up something like a tv as an example - the electron tube developed by physicists is the basis for CRT... i don't, however, buy this notion. the easiest answer would be to say, all this is (almost) useless from practical point of view. it's purely for knowledge. anything practical that might come of fundamental research is a lucky by-product. to some people, knowledge is everything. to others, not so. while it may seem a bit unfair that the tax money is spent so "those who seek knowledge for the sake of it" can (it's more like a hobby to them...), i personally think it's for a novel cause.
I'm going to name my band "Quark-Gluon Plasma". All my fans will call it "QGP" for short. It's much cooler than "Bose-Einstein Condensate".
On a slightly more serious note...
The article links to a helpful physics primer if you, like me, need a little help understanding subatomic physics. (I'm just have a lowly Math degree.)
A little googling turned up this awesome page on subatomic particles called The Particle Adventure. This is the most accessible physics lesson I've ever received. Awesome.
This is the most fun I've ever had with subatomic physics: Quark Dance!
obviously no deficiencies vs. no obvious deficiencies
The results are a new milestone in the search for the Quark-Gluon Plasma, a new state of nuclear matter.
...it's a 13.7 billion year old state of matter.
1e12ÂF is 5.56e11ÂC. 1e12ÂC is 1.8e12ÂF. While any of those numbers could be accurately described as "fucking HOT", it still makes a difference. Whether it starts at absolute 0, or 273ÂK above 0 probably doesn't make any difference at this order of magnitude, though.
I think this is possibly why you lost interest in physics. We're not always interested in the APPLICATION of knowledge. Sometimes, we just like to know why a particular thing is like it is. We leave the application to the engineers and business men.
Mmmm......sacrelicious.
Recreating something that existed at the time of the formation of the universe is facinating and all, but , what are the practicle applications for this research?
Need it have a "practical application"?
How will it benifit mankind?
Well, that's a very different question.
I don't think this will have any practical value, per se. Absolutely zero. Oh, it's possible that down the road someone much cleverer than I will come up with something. In fact, that's the normal way in which major technological advances have occurred. For instance, when Schottky began studying the quantum behavior of transition metals, he wasn't interested in the tiniest bit in any sort of practical application; he just wanted to understand the implications of quantum mechanics for electrons inside certain solids. If you had asked at the time, "what's the practical benefit of this work?" the answer would have been "zippo." And yet pretty much all of modern technology is based upon the transisitor that was so discovered. That's the way it's always been. Michael Faraday didn't really see any public benefit to understanding electromagnetism, either. Pure research has historically been without such obvious benefit.
But nevertheless, I don't want to suggest that that's the eventual result here, because I don't believe it will be. I think that would be disingenuous of me. I highly doubt that an improved understanding of the history of the Universe from the Big Bang to the present will ever produce any wonderful and amazing technological advance. To me, the motivation is simply that understanding and knowledge -- especially of something like how the Universe got to be the way it is, and why it works the way it does -- is inherently a good thing. It has value by definition. Perhaps my least favorite thing about our society is that we are trained to evaluate the worth of things in terms of their economic value. Just like love, understanding has its own value, in my mind -- bereft of any "practical" value.
Let me give you an example of what I mean. To the best of our ability to tell, there's only one place where elements heavier than carbon (such as nitrogen, oxygen, sodium, etc. etc.) can be formed in large amounts -- and that's inside a star. Only elements as heavy as carbon or lighter can be formed in the early universe; for heavier elements, you need a star. Now, if you didn't already know this, stop and think about it for a second. A huge chunk of you, perhaps all of you, was inside a star at one time. It appears that you and I are star debris. And it gets even better. The way that large amounts of these elements, forged within a star, can get out of the star is if the star supernovas -- dies at the end of its lifetime with a big boom. That big boom also serves to make very heavy elements -- such as uranium, for instance -- that cannot be made even in a star while it's burning away. There's uranium, and other similar very heavy elements, on our planet. Do you see what I'm getting at? Much of the atoms that make all of us up, that make this planet up, were at one time inside a star (or stars) that lived its life, supernovaed, and spewed out its stellar debris with heavy elements. Eventually, maybe a few hundred million years later, that stuff is part of our planet, part of our atmosphere, our water, part of you and me. We are all brothers and sisters; we all came from the same place, sorta.
Now, that knowledge will never make me any money. It will never have any practical benefit in my life. And yet, I consider myself immensely richer for knowing it.
Understanding has its own value.
Because it is only a few atoms that have this high temperature. 10 atoms that are 10^12 degrees hotter than the environment can heat up the 10^13 surrounding atoms by one degree. That is, it is enough energy to heat up one nanogram of material one degree. I would not sleep over it.
This is of course a very rough calculation, but the point is that we are not so much dealing with enormous energies as with moderate energies concentrated to extremely small matter. They are not going to blow something big up.
Tor
Interdimensional Gateway Opens in Suffolk County.
Elder Gods awake from aeons of slumber.
Film at Eleven.
Richard Feynmann also put it well:
-Erf C.
Cthulu always calls collect...