Eventually we'll build the bison sphere but we'll have amazing seafood in space long before that
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Every spinhab will need shielding against radiation, and it makes sense to use liquid water for its stable thermal properties as well
Given those facts there's no reason not to turn the tanks that ring every ring into diverse reef ecosystems run by uplifted cephalopods
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The difference in quality between space food and earth food is going to start off in favor of earth and then swing conclusively and rapidly towards space
There's just no beating 24hr sunlight and total precision control of plants in structures made of inert material
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We're going to have more building materials than we know what to do with as waste output from asteroid mining for organics and rare metals, so past a certain point the cost of 1G real estate up there is going to plummet quickly
Farm rings fall out of these economics trivially
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