TechCrunch Follow Clean tech startup Fluxnium found a way to tap 50,000 years’ worth of nuclear fuel Fluxnium's fibers can extract uranium directly from seawater, which has enough of the nuclear fuel to power thousands of generations. https://techcrunch.com/2026/09/16/clean-tech-startup-fluxnium-found-a-way-to-tap-50000-years-worth-of-nuclear-fuel/ techcrunch.com