**ADVANCE FOR SATURDAY, JUNE 28--FILE** In this March 22, 2007 file photo, a view of the magnet core of the world's largest superconducting solenoid magnet (CMS, Compact Muon Solenoid) at the European Organization for Nuclear Research (CERN)'s Large Hadron Collider (LHC) particle accelerator, which is scheduled to be switched on in November, in Geneva, Switzerland. Some 2,000 scientists from 155 institutes in 36 countries are working together to build the CMS particle detector. (AP Photo/Keystone, Martial Trezzini, file)

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