Explore the fascinating concept of converting nuclear warheads into energy sources in this informative conference talk from the 36th Chaos Communication Congress. Delve into the history of nuclear disarmament treaties and their impact on commercial nuclear power. Learn about the potential of using highly-enriched uranium from military stockpiles as an alternative to uranium mining, which could significantly reduce environmental impact. Gain insights into the nuclear physics behind converting weapon-grade uranium and plutonium into fuel for civil nuclear power plants. Discover how this process could potentially eliminate the need for further uranium mining, addressing concerns about limited non-renewable energy sources. Understand the shift in focus from preventing the diversion of commercial nuclear materials to weapons, to utilizing military uranium as a major fuel source for commercial nuclear power.