Synthetic food seems like a good idea no? We used to grow rubber for example but now we just make synthetic rubber.
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You can’t get something out of nothing. You have to invest material and energy to produce anything. The thing is, that life is much more efficient at that than technology is, and will be more efficient for the foreseeable future.
It takes just a bit of light, carbon, water and a few other nutrients to create all kinds of fruits and vegetables we can consume. If we were to try to do it ourselves, it would take us so much more investment in energy, equipment and time. We would literally need to “forge” foodstuffs with the energy requirement it would demand. But again, living matter is far more efficient at that. It makes sense to use those highly efficient biological processes to make food reliably. These biological processes also are very good at recycking. We can get a perpetual system that can feed itself for a very long time with very little outside nutrient requirements.
even in space, we will likely use hydroponics to grow food, rather than producing it from carbon stores.
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