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A City on Mars: Reality kills space settlement dreams
(arstechnica.com)
This is a most excellent place for technology news and articles.
Settlers routinely sacrifice their health to be part of the first wave of people to stake a claim on fresh territories, considering how insane that got during more or less every colonization effort in past history I strongly doubt that harming human health will be a barrier to the whole thing, for better or worse. (I think mostly for worse tbqh, but I still see it happening unless climate change ruins everything, or nuclear war, etc)