Denis L. Blackmore, PhD, professor in the department of mathematical sciences at NJIT, will discuss "Tapping Dynamics for A Column of Particles" on Nov. 9, 11:30 a.m.-1 p.m. in the Mechanical Engineering Center Rm. 224. The Fall 2009 Colloquium Series is sponsored by The Granular Science Laboratory at NJIT. For further information, please contact Dr. A. Rosato, ME Dept. (rosato@njit.edu; 973-596-5829).