Continuing to answer questions from supporters over at my Patreon https://www.patreon.com/scottmanley NASA's open Source Software https://software.nasa.gov/ Weakless Universe https://arxiv.org/abs/hep-ph/0604027 Fundamental Physical and Resource Requirements for a Martian Magnetic Shield https://arxiv.org/abs/2006.05546 American Rocketman - by Robert C Truax https://amzn.to/2VMNWJf Most of the questions are still taken from the first post: https://www.patreon.com/posts/47522787