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Nuclear_Power - Nuclear Energy Nuclear Fission Nuclear...

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Nuclear Energy
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Nuclear Fission Nuclear fission is the splitting of an atom’s nucleus When the nucleus is split – energy (lots) is released along with neutrons, photons, and alpha, beta, and gamma radiation The released neutrons can initiate another nuclear fission Successive nuclear fissions can be a chain reaction
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Nuclear fission
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Nuclear Fission The energy contained in the nucleus is 10 million times more than that of more traditional fuel sources such as coal and petroleum Most common nuclear fuels are U-235 – best fuel, 1% of US reserves U-238 – must be modified to be used as fuel, 99.3% of US reserves Pu-239 – produced from U-238 in breeder reactors
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Electricity Production Worldwide – nuclear power has leveled off Little prospect for building new plants…except… China plans to build 50 new reactors by 2020 In US 20% of power is from nuclear In France 75% of power is from nuclear Reasons for decline in production – high operating costs, safety
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