The first question at any boundary is what it is made of, because that was decided entirely by what was to hand. The second is what shape it is, which…
Source: Wikipedia
A family car was a room the household occupied regularly, and like any room it filled up with objects nobody had decided to put there. Here are fifteen things…
The composition explains the behaviour. Three components, each doing something different, in a material most people treat as one substance. Here are fourteen results.
1. It Is Three Things, Not…
The difference between covering ground and seeing a place is mostly about route choice. Everything below is a way of arranging a walk so that the parts between the destinations…
The useful habit is to ask what each feature is for rather than what it looks like. Nearly every one addresses a specific difficulty, and several address problems that are…
The defining property is that nothing here is constant. Salinity at any given point changes twice a day and again with the seasons, and every organism and process in an…