Big Band Experiment Sparks Doomsday Fears

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Mar 13, 2003
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#1
I meant bang not band..lol

Just read this article......Opinions?!



GENEVA - It has been called an Alice in Wonderland investigation into the makeup of the universe — or dangerous tampering with nature that could spell doomsday.

Whatever the case, the most powerful atom-smasher ever built comes online Wednesday, eagerly anticipated by scientists worldwide who have awaited this moment for two decades.

The multibillion-dollar Large Hadron Collider will explore the tiniest particles and come ever closer to re-enacting the big bang, the theory that a colossal explosion created the universe.

The machine at CERN, the European Organization for Nuclear Research, promises scientists a closer look at the makeup of matter, filling in gaps in knowledge or possibly reshaping theories.

The first beams of protons will be fired around the 17-mile tunnel to test the controlling strength of the world's largest superconducting magnets. It will still be about a month before beams traveling in opposite directions are brought together in collisions that some skeptics fear could create micro "black holes" and endanger the planet.

The project has attracted researchers of 80 nationalities, some 1,200 of them from the United States, which contributed $531 million of the project's price tag of nearly $4 billion.

"This only happens once a generation," said Katie Yurkewicz, spokeswoman for the U.S. contingent at the CERN project. "People are certainly very excited."

The collider at Fermilab outside Chicago could beat CERN to some discoveries, but the Geneva equipment, generating seven times more energy than Fermilab, will give it big advantages.

The CERN collider is designed to push the proton beam close to the speed of light, whizzing 11,000 times a second around the tunnel 150 to 500 feet under the bucolic countryside on the French-Swiss border.

Once the beam is successfully fired counterclockwise, a clockwise test will follow. Then the scientists will aim the beams at each other so that protons collide, shattering into fragments and releasing energy under the gaze of detectors filling cathedral-sized caverns at points along the tunnel.

CERN dismisses the risk of micro black holes, subatomic versions of collapsed stars whose gravity is so strong they can suck in planets and other stars.

But the skeptics have filed suit in U.S. District Court in Hawaii and in the European Court of Human Rights to stop the project. They unsuccessfully mounted a similar action in 1999 to block the Relativistic Heavy Ion Collider at the Brookhaven National Laboratory in New York state.

CERN's collider has been under construction since 2003, financed mostly by its 20 European member states. The United States and Japan are major contributors with observer status in CERN.

Scientists started colliding subatomic particles decades ago. As the machines grew more powerful, the experiments revealed that protons and neutrons — previously thought to be the smallest components of an atom — were made of still smaller quarks and gluons.

CERN hopes to recreate conditions in the laboratory a split-second after the big bang, teaching them more about "dark matter," antimatter and possibly hidden dimensions of space and time.

Meanwhile, scientists have found innovative ways to explain the concept in layman's terms.

The team working on one of the four major installations in the tunnel — the ALICE, or "A Large Ion Collider Experiment" — produced a comic book featuring Carlo the physicist and a girl called Alice to explain the machine's investigation of matter a split second after the Big Bang.

"We create mini Big Bangs by bumping two nuclei into each other," Carlo explains to Alice, who has just followed a rabbit down one of the hole-like shafts at CERN.

"This releases an enormous amount of energy that liberates thousands of quarks and gluons normally imprisoned inside the nucleus. Quarks and gluons then form a kind of thick soup that we call the quark-gluon plasma."

The soup cools quickly and the quarks and gluons stick together to form protons and neutrons, the building blocks of matter.

That will enable scientists to look for still missing pieces to the puzzle — or lead to the formulation of a new theory on the makeup of matter.

Kate McAlpine, 23, a Michigan State University graduate at CERN, has produced the Large Hadron Rap, a video clip that has attracted more than a million views on YouTube.

"The things that it discovers will rock you in the head," McAlpine raps as she dances in the tunnel and caverns.

CERN spokesman James Gillies said the lyrics are "absolutely scientifically spot on."

"It's quite brilliant," Gillies said.
 

R

Sicc OG
Dec 7, 2005
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#6
well its wednesday now. nothing has happened. i dont care if anything does happen.
 
Mar 9, 2003
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#11
This reminds me of "Talking to God"


‘So what are we supposed to do in order to qualify for membership of the universal intelligentsia?’


‘Evolve. Survive’


‘Yes, but how?’


‘Oh, I thought you might have got the point by now. "How" is entirely up to you. If I have to help, then you’re a failure. All I will say is this. You’ve already passed a major hurdle in learning to live with nuclear weapons. Its depressing how many fail at that stage.’


‘Is there worse to come?’


‘Much’


‘Genetic warfare for instance?


‘Distinct Possibility’


‘and the problem is… that we need to develop all these technologies, acquire all this dangerous knowledge in order to reach level two. But at any stage that knowledge could also cause our own destruction’


‘If you think the dangers of genetic warfare are serious, imagine discovering a secret thought or program, accessible to any intelligent individual, which, if abused, will eliminate your species instantly. If your progress continues as is, then you can expect to discover that particular self-destruct mechanism in less than a thousand years. Your species has got to grow up considerably before you can afford to make that discovery. And if you don’t make it, you will never leave your Solar System and join the rest of the sapient species on level two.’


’14 Million of them’


‘Just under’


'Will there be room for us?'


'it’s a big place'
 
May 13, 2002
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Seattle
www.socialistworld.net
#12
WE DIDN'T DIE!!! OMG



Big Bang' experiment starts well

Scientists have hailed a successful switch-on for an enormous experiment which will recreate the conditions a few moments after the Big Bang.


They have now fired two beams of particles called protons around the 27km-long tunnel which houses the Large Hadron Collider (LHC).

The £5bn machine on the Swiss-French border is designed to smash protons together with cataclysmic force.

Scientists hope it will shed light on fundamental questions in physics.

The first - clockwise - beam completed its first circuit of the underground tunnel at just before 0930 BST. The second - anti-clockwise - beam successfully circled the ring after 1400 BST.

The beams have not yet been run continuously. So far, they have been stopped, or "dumped", after just a few circuits.

By Wednesday evening, engineers hope to inject clockwise and anti-clockwise protons again, but this time they will "close the orbit", letting the beams run continuously for a few seconds each.

Cern has not yet announced when it plans to carry out the first collisions, but the BBC understands that low-energy collisions could happen in the next few days. This will allow engineers to calibrate instruments, but will not produce data of scientific interest.

"There it is," project leader Lyn Evans said when the beam completed its lap. There were cheers in the control room when engineers heard of the successful test.

He added later: "We had a very good start-up."

The LHC is arguably the most complicated and ambitious experiment ever built; the project has been hit by cost overruns, equipment trouble and construction problems. The switch-on itself is two years late.

The collider is operated by the European Organization for Nuclear Research - better known by its French acronym Cern.

The vast circular tunnel - the "ring" - which runs under the French-Swiss border contains more than 1,000 cylindrical magnets arranged end-to-end.

The magnets are there to steer the beam - made up of particles called protons - around this 27km-long ring.

Eventually, two proton beams will be steered in opposite directions around the LHC at close to the speed of light, completing about 11,000 laps each second.

At allotted points around the tunnel, the beams will cross paths, smashing together near four massive "detectors" that monitor the collisions for interesting events.

Scientists are hoping that new sub-atomic particles will emerge, revealing fundamental insights into the nature of the cosmos.

Major effort

"We will be able to see deeper into matter than ever before," said Dr Tara Shears, a particle physicist at the University of Liverpool.

"We will be looking at what the Universe was made of billionths of a second after the Big Bang. That is amazing, that really is fantastic."

The LHC should answer one very simple question: What is mass?

"We know the answer will be found at the LHC," said Jim Virdee, a particle physicist at Imperial College London.

The currently favoured model involves a particle called the Higgs boson - dubbed the "God Particle". According to the theory, particles acquire their mass through interactions with an all-pervading field carried by the Higgs.

The latest astronomical observations suggest ordinary matter - such as the galaxies, gas, stars and planets - makes up just 4% of the Universe.

The rest is dark matter (23%) and dark energy (73%). Physicists think the LHC could provide clues about the nature of this mysterious "stuff".

But Professor Virdee told BBC News: "Nature can surprise us... we have to be ready to detect anything it throws at us."

Full beam ahead

Engineers injected the first low-intensity proton beams into the LHC in August. But they did not go all the way around the ring.

Technicians had to be on the lookout for potential problems.

Steve Myers, head of the accelerator and beam department, said: "There are on the order of 2,000 magnetic circuits in the machine. This means there are 2,000 power supplies which generate the current which flows in the coils of the magnets."

If there was a fault with any of these, he said, it would have stopped the beams. They were also wary of obstacles in the beam pipe which could prevent the protons from completing their first circuit.



Mr Myers has experience of the latter problem. While working on the LHC's predecessor, a machine called the Large-Electron Positron Collider, engineers found two beer bottles wedged into the beam pipe - a deliberate, one-off act of sabotage.

The culprits - who were drinking a particular brand that advertising once claimed would "refresh the parts other beers cannot reach" - were never found.

After the beams make one turn, engineers attempt to "close the orbit", allowing the beams to circulate continuously around the LHC.

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I think it is disgraceful that huge sums of cash have been spent on this project

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Engineers then try to "capture" them. The beams which circle the LHC is not continuous; they are composed of several packets - each about a metre long - containing billions of protons.

The protons would disperse if left to their own devices, so engineers use electrical forces to "grab" them, keeping the particles tightly huddled in packets.

Once the beams are captured, the same system of electrical forces is used to give the particles an energetic kick, accelerating them to greater and greater speeds.

Long haul

The idea of the Large Hadron Collider emerged in the early 1980s. The project was eventually approved in 1996 at a cost of 2.6bn Swiss Francs, which amounts to about £1.3bn at present exchange rates.

However, Cern underestimated equipment and engineering costs when it set out its original budget, plunging the lab into a cash crisis.

Cern had to borrow hundreds of millions of euros in bank loans to get the LHC completed. The current price is nearly four times that originally envisaged.

During winter, the LHC will be shut down, allowing equipment to be fine-tuned for collisions at full energy.

"What's so exciting is that we haven't had a large new facility starting up for years," explained Dr Shears.

"Our experiments are so huge, so complex and so expensive that they don't come along very often. When they do, we get all the physics out of them that we can."

Engineers celebrated the success with champagne, but a certain brand of beer was not on the menu.

http://news.bbc.co.uk/2/hi/science/nature/7604293.stm
 
Jun 9, 2007
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I think the dying part is supposed to be more significant of a factor when the atoms actually collide... this time they were just racing in a circle, no collisions for at least a few more months