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Higgs Boson Search
Particle-smashing Large Hadron Collider off to a smooth restart
Particle-smashing Large Hadron Collider off to a smooth restart

After a two-year hiatus, the giant proton-smasher that discovered the Higgs boson is back in action – and ready for bigger challenges. Scientists at the Large Hadron Collider, the most powerful particle accelerator in the world, successfully sent two beams of particles in opposite directions around its 17-mile circumference on Sunday. Upgrades to the ring-shaped collider, located near Geneva and operated by the European Organization for Nuclear Research (CERN), will allow the beams to smash together at nearly twice the maximum energy level as before, opening uncharted territory in physics for exploration. Scientists sent the first beam around the loop in one direction at 10:41 a.m....

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