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> This means that the ratio of the costs of the output to the costs of the physical inputs (drywall, lumber, concrete, etc.) is around 2. > You could find a way to use fewer and/or cheaper raw materials. You can delete almost all of those components, almost all of that assembly work, much of the mass of the structure, much of the supply chain for the raw materials, almost all of the inventory costs, and you can make the financial carrying cost negative. You build it in a factory at room temperature mostly out of nearby rocks, and ship it flat-packed to the destination, where it mostly self-assembles over the course of a few minutes. The result is beautiful, requires little energy to heat or cool, and is impervious to insects, salt, caustics, weather, fire, and resistant to bombs. Uh, the demonstration is forthcoming, bear with me. |