There is a useful test of how hard something is to make: look at what people did before they had it.
Before metal needles, sewing was done with points made…
Source: Wikipedia
There is a building material available almost everywhere, requiring no processing, no fuel and no transport, and a very large proportion of the world's population has lived in houses…
The second visit starts with knowledge the first one spent days acquiring, and using that properly is what makes it worth going. Here are ten things worth knowing.
1. You…
Source: Wikipedia
The equipment was simple, heavy and made of metal, and it produced exactly the same set of behaviours in every park in the country. Here are twelve.
1. The…
One rock type, unusually pure and unusually porous, produces a landscape unlike anything around it - dry on top, wet underneath and covered in a grassland that only exists because…
A seat is a set of trade-offs rather than a preference, and which trade-off matters changes completely between a short hop and an overnight journey. Here are ten things worth…