Saved: Nuclear Conversion for Starship http://toughsf.blogspot.com/2021/10/nuclear-conversion-for-starship.html ToughSF_-Nuclear-Conversion-for-Starship-11_3_2023-10_57_56-AMDownload
Saved: Mars Cyclers by Peter Hague A description and argument for a “rail” style of transit between Mars and Earth. https://planetocracy.substack.com/p/mars-cyclers Mars-Cyclers-by-Peter-Hague-Planetocracy-10_31_2023-9_46_25-AMDownload