TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.6.24 TI - Toothpaste Is a Glass JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 6 IS - SP - 24 EP - PY - 2000/11/28/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.6.24 A1 - Anonymous, ER -