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Nuclear Meltdown

Nuclear Meltdown refers to a severe nuclear reactor accident that results in core damage from overheating. This catastrophic event can occur when the cooling systems designed to sustain the reactor's temperature fail, leading to the melting of the nuclear fuel assemblies. During a nuclear meltdown, the radioactive materials can potentially breach containment structures, threatening to release harmful radiation into the environment.

The onset of a nuclear meltdown typically happens in stages. Initially, a partial meltdown may occur where only a portion of the nuclear fuel melts. If the cooling issues persist, a total meltdown can ensue, where the entire core may liquefy. Such scenarios not only pose immediate health risks but also have long-term ecological and economic consequences.

Measures to prevent nuclear meltdowns are rigorous and include redundant cooling systems, strict operational protocols, and comprehensive safety drills. Despite this, the lessons learned from historical nuclear incidents like Three Mile Island, Chernobyl, and Fukushima underscore the importance of constant vigilance, advanced technology, and updated regulations to ensure the highest safety standards are maintained in nuclear power plants.