Energy Is The Most Important Resources

Energy Is The Most Important Resources Energy is the most important of all resources, while sustainability concept is focuses on the long term survival of communities. The energy and sustainability had to be balance up. Ecological studies include the result of resource consumption and the technology systems have to move toward sustainability. Basically energy can be divided into renewable and non-renewable energy. Energy and sustainability had become an important aspect and current issue around the global. Energy is an important and essential to continuing the economic growth and generates the wealth of the country. Natural resources are one of the resources that human consume to generate the energy. But the most important issue is how technology can contribute to generating the solution maintaining sustainability. Energy production, primary and end-use of energy and quality of energy are the important aspect while discussing the energy resources and use. The main energy production mostly comes from fossil fuels, by converting them into a suitable final form of energy supply and used by the people. Other than that other energy sources such as thermal sources and hydroelectric sources and nuclear sources are being consumed by the nation. The quality of the energy, a well planning and strategies of use of energy is required in order for the energy in the planet to be sustainable. Furthermore the most important is the renewable energy sources must be develops and improves. On the other hand, the side effect of the consumption of the energy such as resource depletion, waste management, and the destruction of the environment must take into consideration. New Resource Sustainability involves practical recognition of the need for global and intergenerational equity, and sustainability is a necessary concept to focuses on the long-term survival of communities. In practice, sustainability involves social, political, economic, and environment aspects. The important of technology development is to increase the labor productivity and miniaturization. The quality of life, standard of living, and the latter had increasing the tension in the society. Due to the awareness of the limits to economic growth has focused attention on the ways of improving the quality of life, without increasing resource consumption. Engineers need to be participating in the associated debates, partly to ensure that they are well-founded technically. Energy Resources and Use Energy is the most important of all resources. The unlimited availability of fossil fuel can no longer be taken as given .Pricing of resources that look into account the cost of synthesizing them when economically viable resources have been depleted would see quite different approaches to energy policy. The resources used for the production of electricity are coal, natural gas, crude oil, nuclear, hydroelectric, and geothermal. The effectively use of limited resources is essential, because it able to minimizes the output of carbon dioxide and waste heat, both are potential threats to the stability of the biosphere. Coal, natural gas, oil, and nuclear electricity are all associated with significant pollutants or hazardous byproducts. The resources are also nonrenewable, meaning that the world will, sooner or later, completely consume the energy source. Nuclear power supply is able to supply further fissionable material, but the technical and cost problem is still present, which seek to identify and take account of all the cost involved, including the environment impacts. Primary energy sources can be convenient for handling and stockpiling, and it may necessary to convert into other type of energy forms, in which they are finally used as end-use energy. Thermal energy can be produce in the form of work, or work output by subtracting any heat wasted or rejected from the heat input. In real situation process heat is wasted, so is a need to have a definition of efficiency that quantifies losses in the conversion process. The exergy of a system is the maximum amount of useful work that could be obtained from the system at a given state in the specified environment. The process is undertaken and work extracted until the output is maximized. The exergy destroyed is proportional to the entropy generated and is a measure of the irreversibility of a process. An important consideration when choosing the energy for any application is the energy quality. There are mainly three criteria to be considered. First is the ease of extracting the energy, second is the ease of transporting and storing the energy, last but not lease is the ease of transforming the energy from one form to another. In processing plants heat and the electricity is needed, the efficiency of the system can be increased by burning fuel to generate steam at higher temperature and pressure than is required by the process. Beside that some form of high-quality energy can be converted directly into electricity without use of a heat transformation cycle. Energy Use-Energy Information Administration The demand for end-use energy varies considerably with time. The pattern and degree of variability reflect geographical location and contain a random element relating to the weather. There is also variation corresponding to the hourly usage pattern. Basically electricity can be divided into relatively constant base load and highly variable peak load. Electricity cannot be store. One means of storing electrical energy is pumped storage. In thermal power station, when the demand of electricity is high, the water will allow to run down through turbines, and converting the potential energy into electricity. For most part, it is necessary to match electricity supply to demand by appropriate selection and running of generation plant. Gas turbines are particularly flexible in operation. They can run on oil and natural gas, and the fuel can be changed during running. Furthermore, the open cycle gas turbines do not need a supply of cold water for cooling. The gas turbine can be used with a steam turbine to produce a combined cycle lead to a very efficient unit. The gas turbine can withstand high combustion temperature, and the exhaust heat from the gas turbine is then used to raise steam for a steam turbine cycle. In marketing and other commercial analyses, environmental damage is often treated as an externality. As a result it tends to overused, because most economic decision are make by the operator of private companies that do not pay for environment benefits. Good energy planning is able to develop a mechanism that ensures that the environment damage is minimized and any damage that occurs is charged against the organization. Local decentralized energy system able to reduce energy lodes because smaller system have shorter lead times and respond more effectively to unexpected changes in demand pattern. Due to substantially increase in RD, a new generation of large turbo generators would be significantly more efficient in consumption of fuels, resulting in a reduction in green house effect. Least-cost planning is one of the methods that could be applied. It suggests that the cheapest way to meet energy needs is to open the market. Apart from that lifestyle changes is another factor that effect on energy consumption. Automobile engine efficiencies can be improved, and the mass of the vehicle must be reduced. Other than that less over lighting, overheating, and overcooling of buildings and the recuperation of waste heat in industry could further reduce electricity and oil consumption. Converting solid or gaseous fuels into liquid fuels involves high cost and creates large amounts of greenhouse gases. There has long been enthusiasm for solar energy-generated hydrogen as an ideal, sustainable energy source. The use of hydrogen as a fuel for transportation and power generation presumes an extensive supply infrastructure. The power alcohol from sugar or cassava is also possible supplements as an alternative to oil for transportation but the cost of production is double or three times than petroleum. Future energy policy will be influenced as much by the environmental factors and by security of supply consideration as by technical developments. Energy supply authorities should also make a mandate for conservation rather than promotion of energy use. Sources of Renewable Energy The main renewable energy sources used are biomass, hydroelectric, geothermal, solar, and wind. First the renewable energy hydropower is able to provide significant energy. Hydropower uses the energy of flowing water to turn the turbine, which rotates a generator to produce electricity. Wood leading biomass energy resources for power generation, because it is use as a boiler fuel in the lumber, pulp and paper industries. Furthermore, the municipal waste and agricultural waste plants are also the biomass generators. These plants use such diverse feedstock as sugarcane residue, rice hulls, rice straw, nut shells, crop residues, and pruning from orchards and vine yards. Passive solar energy for lighting and heating is probably the most effective energy sources. The passive solar energy system uses little mechanical hardware and required little or no electrical energy to respond. For simple application such as low and medium temperature water heating, space heating and commercial building the solar energy is use instead of fuel combustion. This able reduces costs and environment impact, provided the solar collectors are well design made. Furthermore, the electricity is able to generate in the solar thermal system that collect the thermal energy in solar radiation. Other than that direct conversion of solar energy to electricity is able to achieve by using the solid state photovoltaic cell. Wind energy had been used to pump water, grind grain and electricity generation. The best side to locate the wind turbine to generate electricity is in the mountain area. Wind turbine had been design in order to capture the windà ¢Ãƒ ¢Ã¢â‚¬Å¡Ã‚ ¬Ãƒ ¢Ã¢â‚¬Å¾Ã‚ ¢s energy, and usually the wind turbine mounted with two or three blade, and is mounted on the tower. To improve the turbine design, the blade have to be flex, and able to limit the speed of the blade. Ecological Studies Ecological studies include the result of resource consumption and the technology system come along, by looking into the need to move toward sustainability. Ozone layer is form by combination of 3 atoms of oxygen. In the stratosphere is make up 3km layer, and act as a layer to protect the living from ultraviolet radiation. Some chemical substances such as CFC are able to destroy the ozone layer, and causing the green house effect. The Earthà ¢Ãƒ ¢Ã¢â‚¬Å¡Ã‚ ¬Ãƒ ¢Ã¢â‚¬Å¾Ã‚ ¢s atmosphere able to absorbs the infrared radiation that coming from the sun, but not the visible light. Due to the energy radiated out by the earth in these two bands is adsorbed in the atmosphere and this heat is than reradiated and reflected back to the earth keeps it warm. Stabilizing human population pressure and limiting human consumption of nonrenewable resources are essential steps in moving towards global sustainability. Currently the world is facing the large human popularity problem, such as in India, and China. The government of China had limits each family to have one child only. Soil degradation is another problem that created by human activities. The main causes of this problem were overgrazing, deforestation, and unsustainable agricultural practice. The destruction of the rainforest by building the hydroelectric power station has become an issue, deforestation had destroy the biological diversity natural habitat. Ecological problem such as soil degradation and rainforest destruction mostly cause by engineer. However as a creator of the problem, engineer should create solution by using technology to solve the problem. The disposal of radioactive and toxic material and also domestic, commercial, and industrial waste will be under the waste management category. All the domestic and industry waste need to be process separately. For example the plastic is separate from the waste stream, than sorting it, and finally only go to recycling. Sustainability The function of ecological sustainable development is to make the process of environment assessment become much wider as part of resource management, rather than each project is done individually. There are 5 sustainable development principle fix by the commonwealth government 1990. First is the integration of environmental and economic goal for all policy and activities. Second, ensuring that environmental assets are appropriately valued. Third, by providing for equity within and between generations. Fourth, dealing cautiously with risk and irreversibility. Fifth, recognizing the global dimensions and irreversibility. In order to counter the climate change problem, the country should adopt the national greenhouse response strategies. Cooperate between the government and industry is also needed. The Kyoto conference in 1997 target is to reduce the greenhouse gas emissions of each country. Thing does not go as plan easily, many problem arise in which the constraints and requirements of available energy resources, ecological considerations, and the growth of the economy can appear to be mutually incompatible. Therefore the ecology, economics, and energy need to be reconciled as a ways to counter the problem. Conclusion As conclusion, both national and international levels should work together to develop the new technology to overcome the exciting problem. Engineers have a major responsibility for conservation of the natural and environment. On the other hand, industrial societies need to have a technology revolution that relies on renewable energy flows. Last but not lease, engineers should take the initiative to lead the interdisciplinary team to develop and move toward a sustainable environment.

Social Media Article Review

The social network where no one knows your name It’s a new social network called Social Number, lists users by a number, not by name. It's the latest and greatest thing in an ongoing debate about being online and anonymous. The CEO of the company sees it as a complement to open social networking. Users say they appreciate being able to talk freely without fear of being judged. You can discuss anything and everything. You have a message board that you post questions and other people on that website can respond to that thread.Social Number users say they find value in being able to openly talk about sensitive topics without worrying about alienating or offending anyone. You have a message board that you post questions and other people on that website can respond to that thread. I think this a good thing to have, where people can express their feelings without having feedback from other people that they know mainly so they don’t offend them. You can talk about how to deal with a bad boss, politics, jobs, friends, the ups and the downs of life al can be discussed here without having your name put on a social network.This is also good for people who want to vent and have other people’s opinion. Another good thing about this anonymous social network is that there is no bullying or threats. For some people expressing your political views on a social network will get attacked by people who are friends with them. As we all have a freedom of speech, I don’t believe that anyone should be ‘attacked’ because they have their own opinion. http://www. cnn. com/2013/01/29/tech/social-media/social-number-anonymous/index. html? hpt=li_c2

Born Into Families Without Great Wealth Or Notable Prestige

Born into families without great wealth or notable prestige a thousand years apart, two men influenced not only literary history but also the ideals of man in a relationship with God. During the mid-years of their lives, Dante Alighieri and St. Augustine de Hippo studied the religious climate of their generations and experienced transformations in their lives bringing about personal spiritual enlightenment. Affected by the state of the church, Christianity, and their moral indiscretions, both Dante and Augustine wrote responsively towards their personal beliefs and values shaped by distinctive circumstances. The compositions of Confessions and The Divine Comedy highlight the spiritual journeys of these two authors. In addition, these†¦show more content†¦Chadwick stated Augustine â€Å"did not think of Manichee adherence as a break with Christ, but only with the Church of which he was highly critical† (Chadwick 2009). However, after several years of following this ty pe of â€Å"religion,† Augustine began to become skeptical and harbor doubts about everything he understood and believed from Mani. Doubt arose to the point that Augustine began a search to justify the Mani belief system. It was one such moment, â€Å"listening to the Bishop of Milan, that Augustine became drawn to Christianity† (Puchner pp. 46). At first, Augustine intended to only listen and gain insight from the teaching of others. However, he found himself instead â€Å"passing from Manichaeism into skepticism and soon found his way out of psychological deadlock† (Chadwick pp. 18; 27). Augustine’s process of learning came through self-evaluations and heading the words of trusted friends and fellow scholars of his time. Similarly, the religious climate of Dante’s life dealt with strife, however, during the medieval times it fell between the rule of the church and emperor. Dante grew up in a family with the means to provide for an education and he was a student â€Å"keen on study and learning† (Musa, 1983). Unlike Augustine, Dante’s path to spiritual realization was a personal journey that revolved around his personal desires. Instead of focusing inward and spiritually, Musa states, that Dante â€Å"applied his energies to philosophy† and developed his â€Å"view of love as the mostShow MoreRelatedA Tragic Fate Caused by a Society Filled with Realism Essay1068 Words   |  5 PagesArthur Miller, born in 1915, he is the greatest realistic master in the American theatrical circles in the post world period. Modern American society is the background of his many works, which portray common mans common life, fully reflect the real features of the American society in that peri od. 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No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the Publishers. First published /968 Eighteenth impression /986 ISBN 0-582-52306-0 Produced by Longman Singapore Publishers Pte Ltd Printed in Singapore Contents TO THE TEACHER I page I It s high

F. Scott Fitzgerald and Modernism - 779 Words

F. Scott Fitzgerald and Modernism During the roaring twenties, the United States was a blemished nation. Crime and corruption were at an all-time high, the bootlegging business was booming, and throughout all this, people were euphoric. This time period during the nineteenth and twentieth century was captured by numerous artists, writers, musicians, and entertainers in their attempts to break from traditional values in what is known as modernism. A modernist is in simple terms a rebel. One who dislikes normal conventions and hopes to rewrite and renew societal morals. These artists were rebels with a cause and fought to expose themselves to society. Fitzgerald is an iconic figure in modernism because he skews the perception of reality, rejects the stereotypical traditions, and exposes people’s struggles as the American Dream fades away and proves a nightmare. F. Scott Fitzgerald was fascinated by fame and fortune throughout his lifetime. His characters were as well. His modernist writing style often reflected how greed and a materialistic attitude destroyed people and condemned them from the start. Most of his novels were set in the midst of the roaring twenties where action and the city life engulfed people each night to the point where all problems seemed forgotten. Nevertheless, Fitzgerald wrote to expose how materialistic people struggled to find themselves while they lost faith in the American Dream. 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Scott Fitzgerald once said, â€Å"First you take a drink, then the drink takes a drink, then the drink takes you†. â€Å"The good life† can quickly dwindle into loneliness and sorrow, as portrayed in his masterpiece of a novel The Great Gatsby. Main character Jay Gatsby is an exceptional example of this. As Gatsby wanders throughout the novel trying to impress his lost love, Daisy Buchanan, throwing lavishRead MoreThe Absence of Love1030 Words   |  4 Pagesof these things are items that people actually love, but more used to help get them through their daily lives invoking this sense of love. The writing of the modernism period has paralleled this transformation of love from a symbolic and romantic longing for a certain person to this word that carries no weight. During this period of modernism people became weak indeed and unable to make their own desertions thus keeping them from fully understanding love in its true form. 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One of the famous books written in thi s time was The Great Gatsby, written by F. Scott Fitzgerald in 1925. Included in the Modernism Era were the focus on trends and the extreme effect materialism makes on the society of the 1920’s. WithRead MoreTheme Of Naturalism In F. Scott Fitzgeralds The Awakening1358 Words   |  6 Pagescountry divided by racism through his poems, â€Å"Mother to Son† and â€Å"The Negro Speaks of Rivers.† F. Scott Fitzgerald emphasizes the changes of America during the roaring twenties in The Great Gatsby to reveal the rise of a new social class, the â€Å"new money.† Throughout the movements of naturalism, the Harlem Renaissance, and modernism, authors such as Kate Chopin, Langston Hughes, and F. Scott Fitzgerald utilize symbols to evaluate the transformation of the American identity by demonstrating the closureRead MoreThe Influence of Fitzgerals Personal Life on The Gerat Gastby1035 Words   |  5 PagesFitzgerald’s Personal Life on The Great Gatsby Many authors find inspiration through real life experiences and transform them into works of literature to match how they want to portray them. Fitzgerald is no different, in fact, his personal life is a crucial factor in his writing style. Fitzgerald grew up with increasing numbers of difficulties, but found his way around them and incorporated those experiences into his novels. In order to achieve his goals, he began changing himself to fit social