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I’m one of those slide rule-era engineers who studied chemistry and nuclear physics as a lad. The lethal legacy of nuclear waste will survive for at least 10,000 years and more. According to my slide rule, the life cycle energy balance to create a fuel rod requires more energy to produce than is gained by raising low-pressure steam in a nuclear reactor over the one- or two-year life span of the core. Once the core is removed, it must be stored on site to cool down, and if/when cooling water system fails, we get another Fukushima disaster. All nuclear power plants require an external source of power if they “go off line” or the power grid fails and they face a “forced shutdown.” Nobody knows what to do with nuclear waste. The Navy dumps their cores in the ocean. On land, we put them in a pool of water, and sometimes on the roof of the reactor building. How smart is this? Depends on who you ask. Nuclear energy is perfectly safe 93 million miles away and delivered free to your door every morning.