Topic TBA - Don Ellison is a Physics Professor Emeritus at North Carolina State University, For some years, he has been giving science talks (mainly astrophysics) for the Osher Lifelong Learning Institutes (OLLI) at North Carolina State University and Duke University in North Carolina, and has made a presentation for MEL Talks each of the past three years. His talks are geared to non-scientists, avoiding unnecessary jargon and presenting technical subjects in understandable language. No formal background in physics is assumed.