- A collection of online science demos are available here.
Computer games I wrote a long time ago
- Shipwrecked for the BBC Micro... download here.
- Jupiter III for the BBC Micro... download here.
- Shipwrecked for the Commodore 64... download executable or source code.
- MandelPlot for the Commodore 64... download screenshot or source code.
- Autostereogram Generator for the Commodore 64... download screenshot or source code.
- Music program for the Commodore 64... download screenshot or source code.
- A QBASIC 6502 assembler... download source code.
- My photographs of the transit of Venus of 8th June 2004 are here. For further astrophotography, see my photo gallery (external website).
- What are those red lights on the horizon over there?" -- A full account of that evening on which I went for a walk, and asked that fateful question...
- The Whirlpool Galaxy (M51), as seen by the Spitzer Space Telescope. My entry for "I Think There Might Be A Bug In My Code" Picture of the Day. Ghostview is required to view this image. Best viewed on a really slow computer.
- A pub map of Cambridge. Now rather old.