The ATLAS collaboration. Collaborators from the ATLAS experiment, the largest particle detector in the world, are seen in CERN's new building 40. Over 3000 scientists from 38 countries are taking part in the ATLAS experiment alone (as of July 2010). Photo #: 0102032
Several hundred of the 1700 U.S. scientists contributing to the LHC accelerator and experiments gathered in June 2008 in CERN's building 40. Photo #: 0806010_01
