Jonathan H.C. Luke, PhD, a professor in the department of mathematical sciences at NJIT, will discuss “Large Scale Convection in a Well-Stirred Sedimenting Suspension” at the Spring 2007 Granular and Multiphase Flows Colloquium Series on March 5, 11:30 a.m.-1 p.m., in the Mechanical Engineering Center, Rm. 221.