Chjan Lim, PhD, of Rensselaer Polytechnic Institute will speak on the topic "A Second Modulus of Elasticity for an Ensemble of Vortex Lines: New Vortex Matter in Superfluid He4 and Superconductors" on Dec. 9, 11:35 a.m.-12:55 p.m., Cullimore Lecture Hall 2. Contact: Susan Sutton, 973-596-3235; suttons@njit.edu.