| Tiny ash cones sitting on snow – A strange observation in Iceland, with some thoughts about possible explanation |  |
| The Severn Bore – A spectacular natural phenomenon |  |
| Walks on the south of Wokingham – Scenery and natural history that will soon be destroyed by development |  |
| Elms Field – Large green open space since used for development |  |
| Solar energy – What we have, and its performance over the years since installation |  |
| Nascom 2 – A computer I built in 1979 that had a big influence in things I did afterwards |  |
| RISC-OS – An effective, user friendly computer operating system |  |
| Trees cocooned by caterpillars – Something you wouldn't believe if you hadn't seen it |  |
| The Rod-Stone-Fortnight system – A quirky (unofficial) British system of units |  |
| Hexaflexagons – Flat models constructed from a folded strip, that can be flexed to reveal different faces. |  |
| Shapes folded from paper tape – Including the platonic solids, some other solids, Moravian stars and a Klein bottle. |  |
| My book – A social history of bells, ringers and bell ringing over three centuries in an English market town. |   |
| Cambridge in the 60s – Some pictures of Sidney Sussex College |  |
| Wokingham in the 60s, 70s & 80s – Some pitcures as it was then. |  |
| Kirkby in Ashfield in the 1960s – Some pitcures as it was then. |  |
| Mansfield in the 1960s – Some pitcures as it was then. |  |
| Scouting in the 1960s – Pictures and memories of how things were then. |  |
| Motorway construction – Pictures taken during the construction of the A329(M) motorway east of Wokingham in 1974. |  |
| Hex – A fascinating game with some superior properties. |  |
| Quotations – A collection of sayings that resonate with me. |  |
| Schools – Enhancing the curriculum |  |