Nuclear power has changed the world. It has enabled the world to do many things that would have otherwise been impossible. There are two types of nuclear power Fission and Fusion. Fission occurs when a nucleus of an atom splits in two in order to gain greater stability. When the atom splits there is a huge amount of energy released. In this reaction there is a difference in mass between the reactants and their products. This energy can then be used to boil water, which can in turn be used to turn turbines and therefore make electricity. The other type is fusion. This is the kind of process that occurs in the sun. In this process 2 small atoms are forced together to form a bigger one. This process also releases large quantities of energy.

Nuclear power has many advantages. It provides huge amounts of power of the amount of fuel that is used. One kilo of enriched uranium can produce as much power as 2 million kilos of coal. The electricity is produced without any of the problems that come from burning fossils fuels. There are no greenhouse gases produced and there is no ash to disposes of.
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There are however problems with this type of power production. The fuel is highly radioactive and this makes it toxic to humans. Radioactive emissions can cause many diseases including cancer. When a cell is bombarded by radioactive emissions then can mutate or die. Mutation can lead to cancer. If a person is exposed to large quantities of radiation then they can get radiation poisoning. This is where lots of cells in the body die at the same time as a result of exposure to radiation. This can kill within weeks or even days.

Uranium is not ...

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