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lumpymunk
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 Posted: Thu Sep 13, 2007 10:40 pm Post subject: Mini Big Bang Created, Puzzling Results Too Explosive |
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http://www.space.com/scienceastronomy/050321_big_bang.html
One more step towards debunking creationism for real for real.
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http://www.youtube.com/watch?v=sNOPu_wU6hs |
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Mr_C
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Moloth
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| Posted: Thu Sep 13, 2007 11:03 pm Post subject: |
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Physicists Recreate 'Big Bang' Conditions
By Stephanie Nebehay
posted: 10:54 am ET
09 February 2000
old news is old.
but still cool!
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Last edited by Moloth on Tue Feb 30, 2026 13:61 am; edited 426 times in total |
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Paranoia21
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| Posted: Fri Sep 14, 2007 3:42 pm Post subject: |
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| Moloth wrote: | Physicists Recreate 'Big Bang' Conditions
By Stephanie Nebehay
posted: 10:54 am ET
09 February 2000
old news is old.
but still cool! |
Yeah, lumpy didn't you see this thread 7 years ago?!?! Geez, get a grip.
lol
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lumpymunk
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| Posted: Fri Sep 14, 2007 3:57 pm Post subject: |
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No, your not getting the link, it works for me still...
Mini Big Bang Created, Puzzling Results Too Explosive
By Michael Schirber
Staff Writer
posted: 21 March 2005
06:27 am ET
| Quote: | What do you get when you turn the temperature up to a trillion degrees?
Quite a heating bill.
Actually physicists claim that at this temperature nuclear material melts into an exotic form of matter called a quark-gluon plasma - thought to have been the state of the universe a microsecond after the Big Bang.
Recreating this primordial soup is the primary purpose of the Relativistic Heavy-Ion Collider (RHIC) at Brookhaven National Laboratory. After five years of data, it appears as if RHIC may have succeeded.
But a big mystery looms over the detection: the putative plasma explodes more violently than predicted.
"We expected to bring the nuclear liquid to a boil and produce a steam of quark-gluon plasma," said John Cramer from the University of Washington. "Instead, the boiler seems to be blowing up in our faces."
The explosive result, which goes by the name of the HBT puzzle, may call into question what RHIC is making in its high-speed collisions, or it might mean the theory needs retuning.
Cramer and his colleagues have another alternative explanation, too: perhaps the explosion is not as explosive as the data suggests. The scientists use 50-year old physics to reinterpret the measurements at RHIC.
"We have taken a quantum mechanics technique, called the nuclear optical model, from an old and dusty shelf and applied it to puzzling new physics results," said Gerald Miller, a coauthor also at the University of Washington. "It's really a scientific detective story."
Collecting clues
The main suspect in this detective story is the quark-gluon plasma. But how do you know when you've seen it? The plasma cannot be observed directly - it disappears in less than a hundredth of a billionth of a trillionth of a second. All that researchers can hope to do is detect the particles that fly out when the plasma freezes back into normal matter.
"You can't go in there and directly measure the quarks and gluons," Miller told SPACE.com. "You have to work back from what you measure to what you believe was there."
Scott Platt from Michigan State University, who didn't participate in the new research, compares detecting the quark-gluon plasma to what astronomers have to do when studying an exploding star.
"They only see the light coming from the star's surface and then try to infer what happened inside. We [physicists] have the same problem," he said.
Instead of light, RHIC researchers see thousands of particles - mostly pions, which are tiny things weighing about one-seventh as much as a proton, itself subatomic. The pions show up in detectors set up around collision points, where gold nuclei traveling at 99.995 percent of the speed of light hit each other head-on.
To see a movie of a gold-on-gold collision click here (note that the gold nuclei look like pancakes because they are traveling so fast).
"We can't stick a barometer or thermometer into the collision center," Platt explained, but by a careful reconstruction of the flight paths of all the debris coming out, scientists can extract information about the brief, but intense, furnace created when gold nuclei smash into each other.
From the RHIC data, research teams have identified three smoking guns for the quark-gluon plasma:
the collision center is under high pressure
the collision center behaves a lot like a fluid
very high energy particles do not escape
Although this evidence appears solid, physicists are hesitant to say they have created the melted nuclear goop. "That debate is going on as we speak," Platt said.
One of the reasons for this conservative approach has to do with how fast the supposed plasma appears to freeze back into ordinary matter. Theory assumed this phase transition would take almost twice as long as was measured.
"In science, if you have a bunch of things that are right, it won't matter if one thing goes wrong," Miller said.
The apparent explosion of pions and other particles coming from the phase transition is the so-called HBT puzzle.
"It is the one RHIC observation that deserves the word puzzle or surprise," Platt said. |
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“Here, here's American Gladiators. Watch this, shut up, go back to bed America, here is American Gladiators, here is 56 channels of it! Watch these pituitary retards bang their fucking skulls together and congratulate you on the living in the land of freedom. Here you go America - you are free to do what well tell you! You are free to do what we tell you!” ~ B.Hicks
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Mr_C
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| Posted: Fri Sep 14, 2007 4:08 pm Post subject: |
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It works for me now. Cool article!
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tonyman1989
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| Posted: Sat Sep 15, 2007 6:21 am Post subject: Re: Mini Big Bang Created, Puzzling Results Too Explosive |
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| lumpymunk wrote: | http://www.space.com/scienceastronomy/050321_big_bang.html
One more step towards debunking creationism for real for real. |
Thanks for posting, cool article.
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ApostateLois
Infinity Welcomes Careful Drivers
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| Posted: Sat Sep 15, 2007 6:53 pm Post subject: |
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"Scientists Create Black Hole in Lab; Entire Universe Disappears"
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Dorksided
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| Posted: Sun Sep 16, 2007 5:23 am Post subject: |
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Werent the supposed to fire up that huge particle accelarator located in switserland (I think)this month?
There they are also recreating the big bang in order to find some missing particles and maybe some little black holes. |
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LionHeart
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| Posted: Sun Sep 16, 2007 9:57 am Post subject: |
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Anyone else notice the use of large amounts of alliteration in that article...?
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Daggett
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| Posted: Sun Sep 16, 2007 11:47 am Post subject: |
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| Dorksided wrote: | Werent the supposed to fire up that huge particle accelarator located in switserland (I think)this month?
There they are also recreating the big bang in order to find some missing particles and maybe some little black holes. |
The Large Hadron Collider in Geneva, Switzerland comes online in October... or at least, that was the original goal. |
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Isambard
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| Posted: Sun Sep 16, 2007 12:57 pm Post subject: |
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Maybe its just me, but anyone else think trying to re-create the force that started the universe can have some nasty results?
If Jurassic Park told us anything is that Science bites you in the ass!
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Composite things are like dreams. Fantasies. Bubbles. Thoughts. Like a dewdrop and a flash of lightning. A new dress and a burning tire. Waves of sand and sinking ships. The shadow of a statue, and an entry in a diary. A brain tumor and an ice cream sundae. We are thus to be recorded. |
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Mr_C
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| Posted: Sun Sep 16, 2007 1:32 pm Post subject: |
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"If we long to believe that the stars rise and set for us, that we are the reason there is a Universe, does science do us a disservice in deflating our conceits?"
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The Atheist Forums Rules
Summary: Just play nice, mmkay? |
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Sal1981
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| Posted: Sun Sep 16, 2007 1:47 pm Post subject: |
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| ApostateLois wrote: | | "Scientists Create Black Hole in Lab; Entire Universe Disappears" |
Naturally occurring black holes form from gravitational collapse; replicating the same forces involved will take pretty extreme pressure.
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CET
The Spiritual Atheist
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| Posted: Fri Sep 21, 2007 6:51 pm Post subject: |
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| Sal1981 wrote: | | Naturally occurring black holes form from gravitational collapse; replicating the same forces involved will take pretty extreme pressure. |
That's why we need science to invent armor ass plates. DUH!   
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The Spiritual Atheist
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