There were increasing concerns about safety due to some high-profile disasters involving nuclear power plants - particularly at Chernobyl and Three Mile Island. They were also very costly to build, and not necessarily as economical as other sources of energy (such as oil).
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A:The elements used in nuclear power station are radioactive elements such as thorium (Th), polonium, radium (Ra), uranium (U), etc. some moderators are also used like deuterium( isotope of hydrogen). A:The radioactive elements used for fuel in nuclear power stations must have certain important characteristics in addition to being radioactive. They need to be fissionable or fertile. There are two such elements occurring in nature, and these are uranium and thorium. Additional synthetic elements exist of this type, and the most important of these for nuclear power is plutonium. There are other complication to nuclear power, importantly that there must be a neutron source, and so, for example, uranium must be enriched to increase the number of neutrons, as its neutron source is uranium-235, which is not present in sufficient quantities in naturally occurring uranium.
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It depends where. In the U.S., it takes several years, mostly because of all the environmental studies and impact statements, permits and other government paperwork. Also, in the U.S., each one has some level of custom engineering. Also, unions slow down the work considerably. (I would not have made that last statement before I worked with some engineers who had been involved in building a nuclear power plant. They told me that the plumbing, for example, took between 2 - 3 times as long as it would have with non-union plumbers, and there is A LOT of plumbing in a nuclear power plant.)A conventional plant without any site-specific engineering or red tape could be built in less than a year.
No it never dose because it depends what computer you have but this is a list that the computers it slows down slow down dell apple ( slow in the first place) non slow acer ( only)