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ATLAS detector at CERN, lego model. ATLAS (A Toroidal LHC Apparatus) is one of seven particle detectors constructed at CERN's Large Hadron Collider (LHC). The LHC, the world's largest and most powerful particle collider, began operating in 2008 at CERN, the European particle physics laboratory. Results from ATLAS, the size of a 5-storey building, helped discover a particle consistent with the Higgs boson in 2012. It was built around part of the 27-kilometre-long underground ring of the LHC, detecting decay products radiating outwards from proton collisions. This model was created by Sascha Mehlhase. Photographed on 23 April 2014.
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