Welcome to David Easley's website!

Screen diagonal comparison – a handy calculator for comparing the size of 4:3 and 16:9 screens.

Thermal imaging survey – January 2010 thermal imaging survey of our house.

Convert km to miles in your head!

Getting started with CycleStreets – A handy primer for new users and volunteer mappers.

Radio 4 Today Programme clock – spells out the time in the style of spoken English.

Stir plate – keep your yeast in suspension so they multiply faster.

Beeston Garden – our developing garden