John Hunter spoke on the Space Show on Monday about “hydrogen gas gun technology and capability, microwave propulsion for delivering cargo”: Dr. John Hunter, Monday, 2-18-13 – Thespaceshow’s Blog.

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David and callers discussed in an Open Lines show last night a range of topics that included “Carnival Cruise lines & informed consent, space radiation, nanosat launchers, & much more” : Open Lines, Tuesday, 2-19-13 – Thespaceshow’s Blog