Question: Is it possible to build a 3D printer that prints Lego-like construction bricks out of captured and chemically converted CO2?
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A forest
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Hemp. Hay. Forests and fields of it. Use life forces to help us out. No need for complicated or expensive machinery. Heck, just bury carbon based garbage.
End of conversation
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Fly ash bricks are a more primitive version of what you’re trying to accomplishhttps://theconstructor.org/building/fly-ash-bricks/5330/ …
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Human ingenuity ceases to amaze me
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