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Openai/691a2d9f-c044-8012-bccf-942bfce6334d
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==== A fission reactor doesn’t rely on spontaneous decay heat — it extracts controlled chain-reaction energy from fissile material. ==== Fuel life depends on: * fuel mass * breeding and reprocessing capability * burnup efficiency A well-designed breeder reactor can theoretically run for tens of thousands of years if: * it breeds more fissile fuel from fertile isotopes (U-238 → Pu-239, Th-232 → U-233) * it continuously reprocesses waste But that assumes: * a working industrial ecosystem aboard the ship * robotic or automated fuel cycle plants * ongoing maintenance and replacement of decaying components You’re basically bringing a small industrial civilization with you.
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