Guest: Marc Millis. Topics: Breakthrough propulsion, fusion energy, incomplete physics, far out theories and research. Marc Millis returned to the program to discuss breakthrough and far out propulsion ideas. Find out more about his work and his organization Tau Zero Foundation by visiting www.tauzero.aero. In our first segment, Mr. Millis told us about the cancellation of the NASA Breakthrough Propulsion Physics Project which he once headed. This is a fascinating story, don't miss it.