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"  MORE NEWS ON CERN&amp;#039;S LARGE HADRON COLLIDER * PLUS: 5 Things You Need to Know About the Large Hadron Collider  * PM NEWS: LHC Turns on Sept. 10, Tests Beam on Weekend  * VIDEO: Large Hadron Collider Rap Teaches Particle Physics  * EARLIER: Surprise Heat of a Light Bulb Could Shut Down LHC    LARGE HADRON COLLIDER Location: Border of France and Switzerland Price Tag: $4 billion Completion Date: 2007 Circumference: 17 miles  The realms of the inconceivably huge and the unimaginably tiny will be united later this year in the countryside near Geneva, when the world&amp;#039;s most massive physics experiment gets under way within a 17-mile ring spanning the French-Swiss border. Inside the Large Hadron Collider (LHC), massive, powerful magnets chilled to a few degrees above absolute zero -- colder than outer space -- will zip beams of superenergetic protons and lead nuclei in a loop at speeds within a hairsbreadth of the speed of light, then collide them head-on. The energy released will be so vast that the impacts will recreate conditions in the universe as they existed just a fraction of a second after the big bang. If the LHC performs as expected, it could at last nail down that holy grail of contemporary physics, the Higgs boson -- known as the &amp;quot;God particle&amp;quot; because it is thought to lend mass to matter. It may even finally unveil the secret of dark matter, the mysterious entity that makes up 85 percent of the universe -- thereby shedding light on as-yet-unexplainable motions of galaxies.    RELATED STORIES * PLUS: 5 Things You Need to Know About the Large Hadron Collider  * PM NEWS: LHC Turns on Sept. 10, Tests Beam on Weekend  * VIDEO: Large Hadron Collider Rap Teaches Particle Physics  * EARLIER: Surprise Heat of a Light Bulb Could Shut Down LHC  * TECH WATCH: 5 Extreme Machines Beyond the Hadron Collider   Various magnets of the paradoxically named Compact Muon Solenoid experiment are moved into position at the Large Hadron Collider facility deep under the French-Swiss border. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/science/a12430/4216588/?series=23>