The world's largest particle collider successfully completed its first major test by firing a beam of protons around a 17-mile underground ring Sept. 10 in what scientists hope is the next great step to understanding the makeup of the universe, reports the Associated Press. After a series of trial runs, two white dots flashed on a computer screen at 10:36 a.m. indicating that the protons had traveled the full length of the $3.8 billion Large Hadron Collider. "There it is," project leader Lyn Evans said when the beam completed its lap. Champagne corks popped in labs as far away as

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