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<< Previous   of   Next >> Associated Press  (click to enlarge) A view down part of the Large Hadron Collider tunnel at CERN, the European Organization for Nuclear Research, near Geneva, Switzerland, in May 2007. The machine will be brought online Wednesday.   ADVERTISEMENT   Rapping the Large Hadron   Related Stories • Switch flipped on atom smasher 9/11/08 • Dum dum dum dum-da-dum, dum-da-dum 9/8/08   CONTACT THE HERALD Do you have a news tip? newstips@heraldnet.com | 425.339.3400   Published: Monday, September 8, 2008 Atom-smasher may bring scientists close to big bang By Alexander G. Higgins Associated Press 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 further investigate the big-bang theory, 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, about 1,200 of them from the United States, which contributed $531 million of the project's price tag of nearly $4 billion. 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. 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 re-create 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. Rapping the atom-smasher Kate McAlpine, 23, a Michigan State University graduate at CERN, has produced the "Large Hadron Rap" video clip explaining the powerful atom-smasher. The video clip can be found on YouTube by searching for "Kate McAlpine." READER COMMENTS Be the first to comment. You must be a registered user and verify your e-mail address to post comments to blogs or articles on HeraldNet. To register, click here. To read other terms and conditions, click here. Log out

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