Watt balance

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    to measure the sphere 's width to nanometer precision, while x-ray crystallography provides images of the crystal 's structure Currently there are only two of these super-spheres, shared by all the teams within the international collaboration, due to the difficulty and expense of manufacturing them: they each cost about $3.2 million and had to be hand-crafted by a master lens maker.”(NIST) Seeing how these kilograms are very expensive and difficult to make most governments have been leading to the Watt Balance to be the new standard. The National Physical Laboratory in UK made a instrument about 2.5 m tall and covered with a metal vacuum that would be able to realize the unit of mass with an uncertainty of 3 parts in 10^8. The watt balance uses a 1000kg magnetic system. On a standard balance scale the alignment must have a vertical alignment with the center of the coil. In order to use a standard kilogram it must measure up with the standard ohm and volt because the watt balance relies on both of those measurments. However this system is not meant to diminish the work of the International Avogadro’s Project but work with it in order to make the standard of the Kilogram more accurate and precise.(NIST)…

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    Wind Turbines Essay

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    average cost for industrial wind turbines is estimated to be $149 per megawatt-hour. This figure accounts for $23 per hour in federal policies and subsidies paid for by taxpayers, the cost of $15-$27 to build new transmission to the wind turbines, and the mechanical capital costs of running the windmills themselves from $48 to $88. As well, the wind turbines require backup plants to compensate for times of less wind – which can add a cost from $2-$23 per megawatt hour. What is a megawatt? How…

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    Microbes In Horticulture

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    Pollutants are becoming more prevalent in the field of horticulture due to the mass production of harmful chemicals, and other toxic material that somehow find their way into the ground. With this in mind botanists are ever increasing their knowledge of how to combat against the ever looming threat of toxicity by using microbes. Microbes are living bacteria that are found naturally on pretty much everything you have ever touched. So using microbes instead of harmful pesticides, and fertilizers…

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    Lifestyle Change Project

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    Lifestyle Change Project For the lifestyle change project, I chose to reduce my energy consumption. The primary reason for choosing this was to save money. Energy consumption was one aspect of the environment that had not paid much attention to. This change is also universal. Anyone can make a conscious effort to reduce his or her electricity consumption. It essentially requires awareness to the issue. Electricity use has “environmental implications, a reduction in electricity use by any means…

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    Imagine a world where everyone was the same. Wouldn’t that be uninteresting? Everyone would walk, talk, and dress the same. There would be NO creativity! Luckily every individual is unique and spontaneous in their own way. Like many others I have numerous talents, stories, hobbies, and dreams. On August 19, 2001 it was a rainy morning. On this magnificent day a princess was born and that is me Jade Rachul Cazeau. I was born in Crystal River, the gemstone of Florida’s nature coast. I am the…

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    to flesh. Near by is, the child of Aphrodite, Eros the god of love and human desire. The artist does well in not only creating a beautiful piece of art, but capturing Pygmalion's own desire and search for beauty. Moving into a more modern era we look at Keith Sonnier's and Simon Rodia works. Sonnier creates pieces that are meant to involve the viewers as well the surrounding environment. In his work Motodom he has fashioned neon colored lights to a building's outside lobby. He is trying to…

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    Personal Software Process

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    Critical Review of the Personal Software Process Mihika Shah, Arizona State University Quality management is a very important part of software organizations, and it is imperative to produce good quality products. In order to do that, it is necessary for every individual involved in the team to do superior quality work. The Personal Software Process provides guidelines that would provide an engineer with a disciplined approach to solve problems, and complete products which are of high…

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    Black Diphtheria Essay

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    The first half of the last decade of the century proceeded as the previous decade i.e. regular hard farm work, children at school, women providing the warmth of a home. Zachariah was still winning in the fall fair for colts and geldings, shearing rams and of course the best fat sheep. Occasionally, he would get lucky with his Holstein bull, a ram or sow and come in first or second. His potatoes usually ran into competition but he sometimes would still win and lucked out once winning the Hubbard…

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    My 4-H Club's President

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    I am my 4-H club’s president. My club has 52 people in it with most of them being under the age of ten. Sometimes I regret running for president, but then at other times I feel it is a great leadership experience. The duties of a president are not only running the meetings and showing animals. It is about helping out the community, helping the younger members with their projects and teaching them how to be a better person and also teach them responsibility with taking care of their animals.…

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    The 18th hundred kicked of the start of the Industrial Revolution with the introduction of the spinning Jenny. The spinning Jenny was a machine used to spin cotton into threads that were then weaved together in order to make some kind of fabric which in turn would be used to make clothes. Once the Spinning Jenny was invented, people started to innovate and look for ways to improve this machine so it could be more productive than the previous model. These ideas then lead to the innovation of the…

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