RT @ProfBrianCox: Look at this ! http://atlas.web.cern.ch/Atlas/public/EVTDISPLAY/atlas2009-collision-atlantis-140541-171897-new.png
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RT @ProfBrianCox: Look at this ! http://atlas.web.cern.ch/Atlas/public/EVTDISPLAY/atlas2009-collision-atlantis-140541-171897-new.png