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InvisibleDiploidM
Cuban


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Registered: 01/09/03
Posts: 19,274
Loc: Rabbit Hole
Wohoo! The Large Hadron Collider Is Almost Online!
    #6739981 - 04/02/07 08:06 PM (17 years, 1 month ago)



The last quadripolar magnet was brought down into the tunnel of the world’s largest particle accelerator; the CERN’s1 LHC, or Large Hadron Collidor. This magnet is part of a series of 392 units which will ensure that the beams are kept on track all along their trajectory through the tunnel. Its installation marks the completion of a long and fruitful collaboration between the CERN, the CNRS/IN2P32 and the CEA/DSM3 in the field of superconductivity and advanced cryogenics. This collaboration has lasted over ten years and was part of the special contribution made by France, as the host country, to the construction of the LHC.

Built to answer the most fundamental questions in physics, the LHC accelerator is assembled at the CERN in a tunnel which has a circumference of 27 km and is buried 100 metres beneath the Franco-Swiss border. It is composed of 1700 large magnets of which 392 are quadripole magnets designed to guide and focus the beams. It also includes a significant quantity of corrective magnets. The final installation of the LHC will be completed in mid-2007, and start-up is planned for November 2007.

In order to meet the considerable technological challenges presented by the LHC, the CNRS, CEA and CERN collaborated closely in the construction of the accelerator. The protocol of collaboration amongst these three organizations was signed on February 14, 1996 in the presence of the Minister responsible for research.

The performance of the LHC’s beam-guiding magnets is ensured by their operating in a supra-conductive state which can only be reached if the system is maintained at very low temperatures. Therefore the LHC requires the largest cryogenic infrastructure ever created. Within this infrastructure the CNRS and the CEA, along with CERN teams, conceived and validated the cryogenics using superfluid helium at -271°C, a temperature lower than that of interstellar space. In addition, France played a principle role in the creation of the focusing units by conceiving the LHC’s principle quadripole superconductors and their cold mass assembly. The 392 quadripole magnets are now all in the tunnel and will ensure that the beams are kept on track. This means that they will control the beams’ millimetric dimension all the way along their trajectory. These magnets are inserted in enclosures of liquid helium along with corrector magnets as well as other components. This complex assembly is called cold mass. It is then itself surrounded by a cryostat and a server module. All of this forms what is known as a short-straight section.

The CEA-Dapnia created the prototypes and then participated in the technology transfer and monitoring of industrial production of the 392 quadripole cold masses in Germany. The Orsay Institute of Nuclear Physics (CNRS/IN2P3 – Paris University 11) participated in the design and creation of the short-straight section cryostats from prototype to industrialization. The institute’s contribution went as far as monitoring production and assembly of the series at the CERN. The first short-straight section, and thus the first quadripole magnet, was brought down into the LHC tunnel in April 2005.

The Orsay Institute of Nuclear Physics also developed and calibrated over 6000 thermometers which will measure and monitor all of the LHC supraconductor’s elements to the nearest tenth of a degree. The Low-Temperature division of the CEA participated in monitoring the production, delivery and installation of the -271°C refrigeration units, after having led the initial basic design work. This same division perfected the cryogenics for the experimental Tore Supra system in Cadarache, used for research on controlled fusion.

playfuls.com


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Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.

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Invisiblesupercollider
superconducting


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Registered: 10/13/00
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Loc: Waxahachie
Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Diploid]
    #6740196 - 04/02/07 08:51 PM (17 years, 1 month ago)

Hey, I'm the one who gets to get excited about this!


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Supercollider? I just met her!

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OfflineYthanA
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Diploid]
    #6740276 - 04/02/07 09:13 PM (17 years, 1 month ago)

Just in case you didn't hear, there was a major magnet test failure which actually happened 4 days before that article was posted.

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InvisibleDiploidM
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: supercollider]
    #6740289 - 04/02/07 09:20 PM (17 years, 1 month ago)

Did you know that the LHC's beam dump has to dissipate over 700 megajoule in under 100 microseconds!!! That like 8 terawatts!!! Yikes!


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Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.

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InvisibleDiploidM
Cuban


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Registered: 01/09/03
Posts: 19,274
Loc: Rabbit Hole
Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Ythan]
    #6740324 - 04/02/07 09:28 PM (17 years, 1 month ago)

Wow, that's too bad about the test failure. It sounds serious.


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Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.

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Offlinedelta9
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Diploid]
    #6740848 - 04/02/07 11:58 PM (17 years, 1 month ago)

Yeah, it also might theorhetically create small black holes.  But in the offchance it does, it is theorized they will be too small to suck in a single molecule and simply disappear.  Unfortunately, there is no contingency for failure of this happening. :shrug:


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delta9

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InvisibleDiploidM
Cuban


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Posts: 19,274
Loc: Rabbit Hole
Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: delta9]
    #6741262 - 04/03/07 07:14 AM (17 years, 1 month ago)

Eh, I'm not worried.

Particles with energies on the order of 10^20 eV (way, WAY more than anything the LHC can do) crash into Earth all the time.


--------------------
Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.

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OfflineSyle
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Diploid]
    #6745387 - 04/04/07 07:54 AM (17 years, 1 month ago)

i am so excited for this, been keeping up with it's construction and hype for the last couple years.

i hope it just blows holes in all our modern quantum theories, I want to see those scientists fucking scramble :lol:


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https://kenaisigh.bandcamp.com/ <- Just completed the 2021 RPM challenge for February - An EP in one month (5 songs or 20 minutes). Check it out!

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Offlineagoutihead
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Syle]
    #6747142 - 04/04/07 04:09 PM (17 years, 1 month ago)

what will this machine actually do?


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"When I'm on LSD and hearing something that's pure rhythm, it takes me to another world and into anther brain state where I've stopped thinking and started knowing" - Kevin Herbert

"Psychedelics let you see the world through a child's eye."

"Experience the liquid realm..."

"The evolution of mankind is in the alteration of consciousness" - Dr. Albert Hofmann

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OfflineSyle
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: agoutihead]
    #6748476 - 04/04/07 09:40 PM (17 years, 1 month ago)

supposedly it will give new data pertaining to the laws of quantum physics/mechanics. it will crash moving particles (generally gold atoms?) at speeds approaching the speed of light, thus for an instantaneous moment exploding into energies and levels and bla bla bla that we have never seen before and cannot witness in normal reality...

i THINK that is what it does. the construction of it is HUGE too. it lies underneath an entire city somewhere in europe. diameter is like 10 miles or something ridiculous.

pretty cool nonetheless, even with it's initial fuck up.


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https://kenaisigh.bandcamp.com/ <- Just completed the 2021 RPM challenge for February - An EP in one month (5 songs or 20 minutes). Check it out!

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OfflineLegend9123
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Diploid]
    #6749048 - 04/05/07 12:36 AM (17 years, 1 month ago)

Interesting.


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Those who would give up a little freedom to get a little security shall soon have neither.
-Benjamin Franklin

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InvisibleDiploidM
Cuban


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Registered: 01/09/03
Posts: 19,274
Loc: Rabbit Hole
Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: agoutihead]
    #6749542 - 04/05/07 06:42 AM (17 years, 1 month ago)

what will this machine actually do?

In a nutshell, it will recreate the conditions that existed in the universe a few picoseconds (thousandths of a nanosecond) after the big bang when the entire universe had only had enough time to expand to the size of a small ball and all the matter in you and me and everyone on the Earth, and even the Earth itself and all the galaxies was all crammed inside that little ball.

In this way, we hope to better understand the nature of matter and reality, and maybe even figure out what, if anything, caused the big bang.

The LHC may also answer a question that has been puzzling physicists for a long time: why do things have mass instead of no mass? Seems a silly question until you really think about it and try to figure out why.

It will also test if the Standard Model (the mathematical framework believed to explain the observed particles) withstands scrutiny at high energy levels. If this model is wrong, the LHC may help tell us this and many other things about the most basic reasons things exist. It may also give us insight into what gravity is, why it exists, and how it works.

Quick tangent: if the big bang was what gave rise to the universe, it must piss off a lot of racists that the matter they're made of was once that close to the matter that makes up whatever race they don't like, eh?

Ain't science grand? :cool:

This thing cost less than three billion dollars to build. It will answer questions relevant to all of humanity. It may give us insights that could lead to workable fusion power generation giving essentially inexhaustible, cheap, green electrical power to everyone on the planet, solving many of the worlds problems. All this for three billion dollars.

Meanwhile, George Bush has spent, what, approaching ONE THOUSAND BILLION DOLLARS killing people in the middle east and stirring up hatred and radicalism; and he just asked for another hundred or so billion to keep the status quo.

I will never understand human beings.


--------------------
Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.

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OfflineSeussA
Error: divide byzero


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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Diploid]
    #6749664 - 04/05/07 07:58 AM (17 years, 1 month ago)

> This thing cost less that three billion dollars to build.

Which is just slightly more than the US spends in a single week fighting in Iraq. I can't imagine what we would discover if we put the 2+ billion per week that is spent on the Iraq war into alternative energy (fusion) research.


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Just another spore in the wind.

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OfflineKonnrade
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Diploid]
    #6750578 - 04/05/07 12:53 PM (17 years, 1 month ago)

Hardon collider, eh?



... I'm sorry, I couldn't help myself (giggle)


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I find your lack of faith disturbing

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OfflineNephlyte
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: delta9]
    #6751107 - 04/05/07 03:28 PM (17 years, 1 month ago)

Quote:

delta9 said:
Yeah, it also might theorhetically create small black holes.  But in the offchance it does, it is theorized they will be too small to suck in a single molecule and simply disappear.  Unfortunately, there is no contingency for failure of this happening. :shrug:




Actually, there is a contingency if they create a larger black hole.

The black hole will evaporate(a euphemism for going away).  It would be inconceivable that any significant sized black hole could be created by this relatively tiny machine.


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"To do right is to know what you want. Now when you are dissatisfied with yourself it's because you are after something you don't really want. What objects are you proposing to yourself? Are they the objects you really value? If they are not, you are cheating yourself. I don't meant that if you chose to pursue the objects you most value, you will attain them; of course not. Your experience will tell you that. But success in getting after much labor what you really don't care for is the bitterest and most ridiculous failure." -George Santayana

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OfflineKonnrade
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Nephlyte]
    #6751605 - 04/05/07 05:40 PM (17 years, 1 month ago)

How precisely does a black hole "go away"?

That would seem to be contrary to the law of conservation of mass, although I probably just fail to understand the concept.


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I find your lack of faith disturbing

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InvisibleDiploidM
Cuban


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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Konnrade]
    #6751683 - 04/05/07 06:07 PM (17 years, 1 month ago)

Hawking Radiation.

It's a mechanism by which black holes are believed to lose mass and shrink, eventually vanishing. If the LHC creates micro black holes and if Hawking Radiation exists, then they should vanish almost immediately after being created.


--------------------
Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.

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InvisibleAsante
Omnicyclion prophet
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Diploid]
    #6751720 - 04/05/07 06:21 PM (17 years, 1 month ago)

Quote:

Particles with energies on the order of 10^20 eV (way, WAY more than anything the LHC can do) crash into Earth all the time.





Umm, no they don't. It is theorized that they do.
There is no definitive proof that this is so.


Quote:

it will recreate the conditions that existed in the universe a few picoseconds (thousandths of a nanosecond) after the big bang when the entire universe had only had enough time to expand to the size of a small ball and all the matter in you and me and everyone on the Earth, and even the Earth itself and all the galaxies was all crammed inside that little ball.





Umm the Big Bang may have never happened.
It is theorized that this happened.

Oh and the evaporation of black holes? Theory. In fact black holes are not know to exist. They might in fact be hollow spheres instead of singularities.


What is no theory however is that we under conditions that are not known to exist (coils of superconducting wire bearing massive puses of electronflux under the gravity and magnetic fields of a planet) in the  universe, we are going to ram pieces of matter (which we hardly understand) into each other at speeds that we believe will create Black Holes, assumed to be the most destructive force in the universe, the insatiable devourers of matter and light itself.

The Hadron Collider is built "to see what it does" and scientists assure us that the chance that our entire solar system gets sucked into a black hole is "very minute according to theory".

Fifty years ago they made radioactive contraceptive jelly and now its black holes in our own backyard :crankey:

SIX BILLION DOLLARS - and all of humanity has clean water to drink. Just six gig.


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Omnicyclion.org
higher knowledge starts here

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InvisibleDiploidM
Cuban


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Loc: Rabbit Hole
Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Asante]
    #6751824 - 04/05/07 06:54 PM (17 years, 1 month ago)

Umm, no they don't. It is theorized that they do.

The Oh My God Particle hit the Earth at an estimated 3x10^20 eV.

A dozen or so other events of the same magnitude have since been recorded and likely billions of similar collisions have occurred throughout Earth's history.

In fact black holes are not know to exist. They might in fact be hollow spheres instead of singularities.

This is contrived. Black holes are the simplest, most elegant explanation for the things observed in the cosmos. Hollow spheres and other complicated explanations, while possible, seem unlikely. See Occam's Razor.

which we hardly understand

And how otherwise are we to understand?


--------------------
Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.

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OfflineKonnrade
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Re: Wohoo! The Large Hadron Collider Is Almost Online! [Re: Diploid]
    #6752034 - 04/05/07 07:55 PM (17 years, 1 month ago)

an "OMG!" particle? Physicists' sense of humor isn't as dry as I had thought.


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I find your lack of faith disturbing

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