What is techno-crofting? There is a tiny brewery on the shore of a sea loch in the north-west Highlands that has been bothering me for years (full disclosure: it belongs to my parents). It bothers me, not because of the beer—which is excellent—but because of what it quietly reflects about technology, supply chains, and the world we are building. This live essay is my attempt to name that reflection and think in public about where it might lead. I am also thinking about writing a book on the same subject; these posts will evolve as the argument sharpens. I don't have many idle moments, but I tore my hamstring whilst participating in the village Highland games yesterday, so I am on enforced bed-rest this week. That has given me time to return to a question I keep arriving at in quieter minutes: how do we build what we need with what we have? A related question—the one the potential book would pursue in more disciplined form—is this: how do you design systems that keep people supplied...

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