TY - JOUR PB - American Physical Society ID - 10.1103/Physics.3.1 TI - Peeling back the layers or doubling the stakes? JF - Physics JA - Physics J1 - PHYSICS VL - 3 IS - SP - 1 EP - PY - 2010/01/04/ UR - http://link.aps.org/doi/10.1103/Physics.3.1 A1 - Guinea, Francisco ER -