Guests:  Rand Simberg, William (Bill) Simon;  Rand and Bill discussed the Evoloterra ceremony honoring when we first went to the Moon.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.

Guests: Dr. Michio Kaku was the guest for this special Space Show program co-hosted by Dr. Bob Krone. We started the discussion by asking Dr. Kaku about his new best-selling book, "Physics of the Impossible." Dr. Kaku explained to us the three classes of impossibilities involving science, technology, and engineering. You will definitely want to hear this discussion since it relates to many potential space developments. As a result of listener questions and questions from co-host Dr.