America's critical mineral supply chain is broken. The Trump administration is moving fast to fix it, but the real play isn't just where we mine, it's how we process. Ben Deniston breaks down the U.S. vulnerability, the policy moves already underway, and the frontier technologies that could shatter the old limits entirely—pulse-power processing, flash Joule heating, plasma arc furnaces, and the fusion torch. The key metric? Energy flux-density: the unifying principle behind every leap in human productivity, from the iron age to the fusion age. This isn't a supply chain story. It's a story about what American economic power can actually become.
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