Science Demos

A collection of online science demos are available here.

Build your own...

Build your own medieval astrolabe.
Build your own planisphere.

Astrophotography

My photographs of the transit of Venus of 8th June 2004 are here. For further astrophotography, see my photo gallery (external website).

Miscellaneous documents

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.

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.

Computer cribsheets

A list of useful UNIX commands
VI keys

Change ringing

Change Ringing Java Applet | Cambridge University Guild of Change Ringers

Useful websites

MathWorld | HTML Validator

Newark

Latitude:
Longitude:
Timezone:

40.74°N
74.17°W
EDT

Color scheme