At the moment we have these very complex alloys that take a lot of energy and thermodynamically very complex systems. They blend together in exotic alloys that are really hard to recycle once they're done. And they just not need it. So if we were to actually make something simpler, if you were to refine copper and maybe brass, simple alloys that can be extracted apart much more easily. That is how our economics is driven at the moment. It's not driven by need. We tell ourselves some amazing... Yeah, the little white lies we tell ourselves and some of them are whoppers. The way metallurgy was, say, back in the 1920s,. They were

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