Every spring is an intersection between water moving underground and a surface that happens to be in the way. The rock decides where, and everything else follows. Here are fourteen.…
Coastlines are not eroded evenly. The sea attacks everything and removes softer material faster, which is why almost every coast is a sequence of projections and indentations rather than a…
Navigation problems divide into two parts, and confusing them is the reason this subject seems simpler than it is.
The first is knowing which way you are facing. A compass…
The most informative thing in any orchard is the spacing, because it tells you how big the trees are meant to get and how the fruit is meant to come…
The single fact behind most of this is that the sun is not a point of light. It is a disc, roughly half a degree across, and almost everything strange…
The interesting thing about an egg is how many contradictory requirements it satisfies simultaneously. Strong and breakable, sealed and breathing, hidden and identifiable. Here are sixteen.
1. It Has to…