Units, times and trains….
When working on programs such as iCalMaker (iCal calendar editing software), and PhotoGPSEditor (geotagging photos with latitude and longitude coordinates) you become acutely aware of time and time zones. Working on chemCal (a chemistry concentrations and dilutions calculator for the iPhone/iPod Touch) makes you aware of units… so to be confronted by the following screen when buying a Newcastle to Glasgow train ticket is very confusing