- Astronautical Evolution – blog on astronautics and human progress
- New in 2021: Planetopolis – partner site for setting up a commercial NewSpace company devoted to high-tech clean living on Earth, Mars and beyond
- Published Articles (non-fiction) – on space exploration in print media
- Science fiction – novels, novelettes, short stories and poems completed and in progress, including science fiction novel The Moonstormers, available in a range of electronic formats at Smashwords.com
- General essays – including an interstellar lecture presented to the International Space University in May 2016, some reviews and the Great Sociology Debate
- Wayland – an early design study for a small starship using matter-antimatter propulsion (which I now consider to be unrealistic)
- Jazz – my alternative career as a jazz saxophonist
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