ADVANCE FOR SUNDAY DEC. 2 – Irene Kilanowski, a lab technician , and Jerry Myers, with MINOS, work together to install a collar, center circle, on one of the octagonal sheets of steel of the neutrino detector, in Soudan, Minn., Nov. 21, 2001. When completed, the MINOS, Main Injector Neutrino Oscillation Search Far Detector being built will be a target. The shooters, 450 miles away, will be scientists at the Fermi National Accelerator Laboratory near Chicago. They will shoot subatomic particles called neutrinos at MINOS. (AP Photo/Duluth News Tribune, Bob King)