TY - JOUR PB - American Physical Society ID - 10.1103/Physics.2.44 TI - Observing unification on a grand scale JF - Physics JA - Physics J1 - PHYSICS VL - 2 IS - SP - 44 EP - PY - 2009/05/26/ UR - http://link.aps.org/doi/10.1103/Physics.2.44 A1 - Pierce, Aaron ER -