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Pros And Cons Of Nuclear Fusion

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Future Technology
Currently, nuclear power is harnessed in the form of nuclear fission reactors. These reactors account for roughly 10% of the world’s current energy consumption. However, nuclear fission has proven to be a very volatile process as it produces large amounts of undisposable radioactive waste. Given that fossil fuels are unsustainable in the near future and nuclear fission is a hazardous source of power, nuclear fusion is a promising alternative. Fully optimized fusion reactions are four million times more efficient than fossil fuels and oil. Secondly, a nuclear fusion plant, predicted within the next 20 years, would only consume 250 kilograms of DT reaction fuel per year compared to 2.7 million tons of coal in a coal-fired power plant. Also the byproducts of a fusion reaction are significantly less harmful than those of a fission reaction, which are extremely radioactive. Fusion reactions produce smaller amounts of waste and the radioactive half-lives are much shorter.
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Fusion also produces remarkably large amounts of energy using abundant and manufacturable resources, making fusion one of the most efficient sources of energy. The process of fusion is far safer than fission, because the probability of a chain reaction occurring is minimal, which makes fusion a much more controllable process.
However, nuclear fusion has a few issues. Currently, there has not been a method developed that continuously and reliably produces more energy than is used to power the reactor. The reactors themselves are also extremely expensive to manufacture and have very long construction times (19 years for the W7-X reactor). Additionally, there are no materials that can handle the heat that is required for fusion to take place (which is the purpose for electromagnetic containment

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