Monday, August 5, 2019

Perspectives Of Moral Development

Perspectives Of Moral Development Morality has different principal meanings. In its first, descriptive usage, morality means a code of conduct or belief which is held to be authoritative in matters of right and wrong. Morals are created and defined by society, philosophy, religion, and/or individual conscience. Morality is also synonymous with ethics. Ethics is the philosophical study of the moral domain. Ethics seeks to address questions such as how a moral outcome can be achieved in a specific situation, how moral values should be determined, and what morals people actually abide by. This paper and presentation will discuss morality as it relates to the learning and cognitive perspectives in psychology, with the primary goal of discovering which perspective is stronger and why. There are many different theories of moral development, all with their own strengths and weaknesses. Perspectives, such as the competing learning and cognitive perspectives in this paper, try to explain why morality exists amongst humans. In this paper, we will discuss several important learning and cognitive theories of moral development and their associated critiques. More specifically, from the learning perspective, we will discuss Banduras social learning theory of moral development, Kohlbergs stages of moral development and Gillians expanded research on Kohlbergs stages of moral development. In particular, the cognitive perspective also shows to be particularly convincing in presenting morality in its light. The cognitive perspective brings many things to the table, such as, how evolutionary adaptive selfishness and never feeling anonymous can create ethical behavior and morality. The cognitive perspective ventures to say morality is only understood when seen in collections of people seeking their own self interest. Included in this paper is a study that supports this selfish tendency of humans. Morality can also been seen as an interplay of emotions and cognition. Lastly, through the cognitive perspective, cause and effect and brain structures are used to help explain morality. Learning Perspectives Social Learning Perspective Social learning is the acquisition of new behavior from watching others demonstration actions (children see, children do) (Bandura, 1969). It is important to note that just because you learn an observable behavior from someone else does not mean that you fully imitate that behavior. When discussing morality, people may pick up only certain pieces from observing others moral action, emulating to achieve the same goal, not imitating the exact motor functions. This is prevalent when discussing how we develop our morality. Most moral development theories state that acquisition of morality often occurs during childhood, as explained later on. One of the most important theories of moral development is Banduras social learning theory of moral development. According to social learning, a childs acquisition of adult moral standards is a gradual process of imitating the observable values and behavior of others. In this theory, moral development is learned through modeling (Bandura, 1969). Bandura believed that direct reinforcement does not account for all learning and intrinsic reinforcement as a form of internal reward, such as pride, satisfaction, and sense of accomplishment (Wagoner). Modeling teaches new behaviors, influences the frequency of previously learned behaviors, encourages previously forbidden behaviors, and increases the frequency of similar behaviors (Bandura, 1969). In order for modeling to work accurately, a person must be paying attention to the observable behavior, retain knowledge of the behavior, be able to replicate it, and have motivation of intrinsic-positive reinforcement. Modeling can be seen in the variety of ways people acquire their personal moral behavior. Primary attainment of morality is derived from immediate family. As a child your parents teach you their perspective of right and wrong through both contingencies and observational learning. For example the parents donate their clothes to the Salvation Army as an act of good will; by the child observing this behavior, he learns to be charitable and donate his clothes as well. Religion also heavily influences moral development by teaching a child to believe and ask for help from a higher power or creator. If a child were to go to church every Sunday growing up they would learn to have similar morals as the congregation such as helping others, living for the higher power, and differentiating between good and evil. Another important influence on childrens moral development is their education. In school, if a child sees another child get in trouble for cheating, that child will view the punishment a nd choose not to pick up the unmoral behavior of the other student. Other moral inspirations can include, but are not limited to media, peers, mentors, and positive role models. Overall, this model is the most frequently used when discussing moral development, but no theory comes without critiques. Our evaluation of this theory leads us to believe that this theory does not take into account that everyone has different ideas of morality. Therefore, what may be seen as just in ones life may not be for another. Another issue is whether morality develops out of intention or behavior. For example, if a person knows that his married friends husband is cheating of her, and tells her with the good intention of helping their marriage and it actually causes a murder, even though the friends intention was moral, the end result is not. This theory does not account for such ambiguities. Kohlbergs Stages of Moral Development Another important theory is Kohlbergs stages of Moral development. He based his theory on research and interviews that he conducted with children at younger ages. Kohlbergs theory consisted of six stages, and he was not so interested in the yes or no answers he received, but more on the logic behind the response (Jorgenson, 2006). The six stages included obedience and punishment orientation, individualism and exchange, good interpersonal relationships, maintaining the social order, social contract and individual rights, and universal principles (Jorgenson, 2006). Along with these six stages were three levels: pre-conventional morality, conventional morality, and post-conventional morality. Through the stages and levels the children begin to see that there is not just one authority, and there are different sides to all situations (Jorgenson, 2006). They also emphasize on being a good person, obeying laws, and concentrate on values that will make for a good society. Pre-conventional le vel holds stages one and two, and is when the child focuses on external consequences of a certain action (Jorgenson, 2006). At the conventional level the person is concerned with right or wrong and obeys laws rules and societys norms without consequences, and contains stages three and four (Jorgenson, 2006). Last the post-conventional level which composes stages five and six allows the person to realize to live by their own principles and definition of right and wrong (Jorgenson, 2006). Is it right or wrong to take something that is desperately needed if you have been turned down to receiving it? In one of Kohlbergs examples a women has a deadly disease and needs some rare medicine that the town druggist makes and sells for way too much. The husband of the women gathers some money, but not enough and asks the druggist for to give him the drug for what money he does have. The druggist of course says no, and later that night the husband breaks into the store and takes the medicine, so his wife does not have to suffer (Jorgenson, 2006). There are many different answers to this question, but your morals would be justified with your response. As any other theory Kohlbergs had critiques as well. The major dilemma with this particular theory is that some psychologists found it sexist. The six stages were more directed towards men than women (Jorgenson, 2006). Another problem with Kohlbergs theory is that is limited to morals and excludes moral values such as caring, and that there is an overlap between some of the stages. Critics also state that Kohlberg overemphasizes justice when making a moral decision. One last critique that seems to be an issue is the difference in knowing what we need to do and actually doing it. Gilligans Perspective of Moral Development Expanding on Kohlbergs theory, Carol Gilligan complained against male-centered psychology including Kohlbergs theory of moral development. Gilligan proposed stages of moral development for women. Her theory is very similar to Kohlbergs stages in that there is a preconvention, conventional, and post conventional stage, but what she discovered through her years of work with women is that when women make monumental moral decisions they are more concerned with caring than the rules of the game (Jorgenson, 2006). For Gilligan, the transitions between the stages are fueled by changes in the sense of self rather than in changes in cognitive capability (Jorgenson, 2006). With that in mind, Gilligan explained that the goal of the first stage is individual survival, transitioning from selfishness to responsibility for others. The second stages goal is to learn that self-sacrifice is goodness and a person transition is from goodness into truth that you are a person. Followed by the third, post conventional stage, where the goal is learning the principle of non-violence. (Jorgenson, 2006) Cognitive Perspectives Adaptation From the cognitive perspective, one way of explaining morality is by using evolution. From this viewpoint it is argued that more altruistic behavior was (in our ancestry) more beneficial than selfish behavior, which increased fitness for the non-selfish competing homo-sapiens. This would indeed allow more success than selfish behavior (Gintis, Henrich, Bowles, Boyd, Fehr, 2008). When it comes to surviving, it is of course easier to work as a group. This goes along well with the discussion that took place in Intro to Cognition class about whether or not there is truly a genuine altruistic act. In this particular case, the homo-sapiens that are less selfish are more altruistic, however, they are acting in their best interest. So it really depends on how one defines altruism. If altruism is defined by a person receiving zero benefit from a selfless act, then defending true altruism is quite difficult. It could be argued that a seemingly selfless act always provides a reward to an organ ism, whether it is internal or external. If the reward is not material, then it could be in the form of, for lack of better terms, a warm cozy feeling. Anonymity Discounting morality as an adaptation, Price explains being charitable to strangers as a carry over from our Pleistocene ancestors. In the past we encountered few strangers and our Pleistocene brains confused strangers with acquaintances and even kin. Furthermore, Price believes we act ethically under anonymous conditions, because anonymity was rare in our hunter-gatherer times. With anonymity being so rare, our stone-age brains never really act as if we are not being closely watched and socially evaluated (as cited in Gintis, Henrich, Bowles, Boyd, Fehr, 2008). It seems that we always think we are on stage even though we are not. Group survival One may argue that genuine altruism exists, but consider that an altruistic act, which may be costly to an individual may benefit the survival of a group (Gintis, Henrich, Bowles, Boyd, Fehr, 2008). Benefiting the group also benefits the individual that acted altruistically. So is this true altruism? Could our morality be based off of cognitive processes that are just a long run of our own self interest (Dawkins, 1989)? This further highlights the evolutionary advantages of morality. Taking the perspective that humans are purely survival machines, it is clear that ones self-interest is best preserved when being a team player. As R.D. Alexander put it in The Biology of Moral Systems, ethics, morality, human conduct, and the human psyche are to be understood only if societies are seen as collections of individuals seeking their own self-interest (as cited in, Gintis, Henrich, Bowles, Boyd, Fehr, 2008). Saving yourself vs. others To further show the evolutionary ingrained self-interest to act morally, a study by Moore, Clark, and Kane (2008), accurately predicted that killing to save oneself and other people would be more acceptable than killing to save only other people. When the situation called for inflicting harm to save only others, the harm was considered especially inappropriate. However, when the situation called for saving themselves and others, the harm was particularly appropriate. Factors such as personal or impersonal nature of inflicted harm, the benefit to the agent, the inevitability of victims deaths, and individual differences in Working-Memory-Capacity were all factors taken into account with this study. Emotion and Cognition Both emotion and cognition are at play with moral judgment, but it is still unclear as to how they interact. One view suggests that even though emotion and cognition operate together, they are dependent on largely separable neural systems. This is best seen when looking at difficult moral decisions associated with response conflict, leading to a competition between the limbic (emotional) and cognitive brain regions. In this scenario, automatic emotional responses must be suppressed by rational (cognitive) top-down processes so that better decisions can be made (Moll, de Oliveira-Souza, Zahn, 2008). Cause and Effect A way to look at the cognitive perspective of morality is based off of influence and consequence. People tend to make decisions based on the nature of the effect their actions will have on them. Moral judgment is said to be a cognitive process which is developed naturally. Cognitive scientists believe that the mind functions by means of heuristics-fast and frugal procedures for forming beliefs, reaching decisions, and performing actions (W. Armstrong, 14). Piaget states that morality is acquired through construction-actively thinking about multiple aspects of situations in which social conflicts arise and deriving new moral understandings. According to Lawrence Kohlberg, a strong follower of Piaget, the center of moral choice and feelings are based on the outcome of personal well being (Garcia, Solis p. 349). Kohlberg lays out six stages of moral development. In his book, Theories of Development, W.C. Crain summarizes Kohlbergs stages well. Collectively, in the six stages, a child co nceives right and wrong according to his authorities, then notices differentiating sides to issues and decides to pursue his own interest. As the child develops, he begins to absorb the societys values and expectations, and finally decides to adhere to the morals he thinks are accurate. This coincides with the beliefs that morality is both a learned and mental process. Brain Structures Morality is also said to be connected with brain structures and chemical reactions within the brain. These findings are mainly the result of the analysis and study of patients with changes in their social and moral behavior as a consequence of acquired brain injuries, as well as the study of normal and pathologic behaviors with structural and functional neuroimaging (Garcia, Solis p. 352). Lets go to the case of Phineas Gage. Gage was a railroad worker who had an accident on the job resulting in a rod piercing his brain and destroying his frontal lobes. Prior to his accident, Gage was well balanced, intelligent, and respectful. Afterwards, his friends described him as fitful, irreverent, and grossly profane, showing little deference for his fellows (Macmillan). The frontal lobe is believed to be the motor house for morality and cognition. According to researchers, any dysfunction in the frontal lobes of the brain shows a disassociation between social cognition and moral knowledge. Th e person no longer understands what morals are and how they affect his behavior. Research done by scientists at Harvard, Caltech, and the University of California concluded that there is a direct link between the neuro-anatomy of emotion and moral judgment. According to F. A. Von Hayek, humans do not directly perceive and respond. Instead, human perceptions, thoughts and actions are the result of internal transformations and computations that follow from processes repeatedly carried out by our minds (E. Gick). This belief associates with the dual process theory of moral judgment. Hayek supposes that we as individuals live in two worlds, a substantial one and phenomenal one. In our bodies, our minds are always processing new information. Our neurotransmitters, when excited by a stimuli, will send messages to our brain, which will in turn elicit a certain response. At times, a person can react one way when enticed by a stimulus, and a completely different way when enticed by that same stimuli in a different environment. Conclusion Both the learning and cognitive perspectives bring great arguments to the table; however, our group believes that the cognitive perspective wins out with more supporting scientific evidence. There is an obvious interplay between both perspectives. You must have a predisposing for moral development but you also must have an aspect of social learning involved. We have reasoned that people act morally by socially learning from their family, peers and other environmental factors, nevertheless, morality is ingrained in our brain. There are no morals without a place to put them. With that in mind, organisms have evolved into moral beings because it is beneficial to the person; making altruistic acts nonexistent. Another reason we believe the cognitive perspective to be stronger is because of the anatomy of the brain. Damage to the frontal lobes will change cognition, specifically moral cognition. Also, in general moral development is a cognitive process, led by the idea of heuristics. The social learning theory may explain morality in one aspect, but the organism still has to choose what they think (cognition) is moral behavior. Therefore, choosing the learning perspective as the strongest argument would be understandable and debatable, but without the cognitive backbone, morality would not exist.

Sunday, August 4, 2019

Physics of the Heart Essay -- physics heart

In the US, heart attacks kill more people than any other single cause. Many of the deaths are caused by electrical disturbances in a damaged heart that cause it to fibrillate (Pool). Despite current overwhelming interest in the operations of the human heart, for most of history the human heart has been regarded as a "forbidden organ too delicate to tamper with" (NOVA). In fact, it might have remained so, were it not for World War II where military doctors, faced with massive numbers of injuries ushered the world into our current medical trajectory. Your body has about 5.6 liters of blood. All of this blood circulates through the body three times every minute. In one day, the blood travels a total of 12,000 miles (NOVA). Rhythmic contractions of the heart pump blood occur in response to electrical control pulse sequences. Active cells in the sinoatrial node in the heart trigger a sequence of electrical events that control muscle contractions, which pump the blood. Scientific interest in the heart goes back centuries. Some of the most basic understandings about the operation and specifically the electrical currents of the heart were discussed during the May 17, 1888 Proceedings of the Royal Society of London by Professor J.A. McWilliam of the University of Aberdeen. The following conclusions were based on his studies of mammalian hearts in cats, dogs, rabbits, rats, hedgehogs, and guinea-pigs. * An all or nothing approach to heart contraction o If a stimulus was strong enough to excite contraction, it produced a maximal contraction * The application of interrupted currents induces fibrillar contractions which can be recovered from even after long period under the combined influence of artificial respira... ...n that prevents the heart from immediately contracting again. Bibliography 1. "Cactus Picture" March 16, 2005. 2. Campbell, Neil A. (2002) "Biology" 6th edition. Benjamin Cummings. San Francisco, CA. 3. Kay, Ian. (1998) "Introduction to Animal Physiology" Springer-Verlag New York Inc. 4. McWilliam, J.A. (1888) "On the Rhythm of the Mammalian Heart" Froceedings of the Royal Society of London, Vol. 44, pages 206-208. 5. NOVA. " Cut to the Heart† PBS Online 1997. 6. Pool, Robert. (1990) â€Å"Heart Like a Wheel† Science, Vol. 247, No. 4948, pages 1294-1295. 7. Putnam, Jeremiah L. "Heart Diagram" Professor of Biology. Davidson College. 8. Schmidt-Nielsen, Knut. (1997) "Animal Physiology: Adaptation and environment" Fifth Edition. Cambridge University Press. New York, NY.

Saturday, August 3, 2019

Homers Iliad Essay -- Art Tool of Warfare Papers

Homer's Iliad The Iliad is an epic of death. It is a tale of conflict, batle, agony, and horific mutilation. Honor and glory are atained through warfare. The great shield of Achiles stands out in this context because it depicts the glories of an orderly, functioning, productive civilization. This depiction of life stands in stark contrast to the scenes of death that constitute a large portion of the narative. An examination of the shield of Achiles in Homer’s Iliad reveals many ideas in conflict: love and honor, the pleasures of life versus a heroic death, free wil and destiny. By viewing the shield as an element of contradistinction—that is to define it on the basis of contrast—one can se that the shield symbolicaly unifies the entire poem. Achiles’ shield is the mechanism through which the poet presents a tool of warfare as a reflection of civilization; explores the concept, structure, and nature of the universe; and examines the role of art in society. I. A Reflection of Civlization on a Tool of Warfare In the epic tradtion, the arming of wariors for batle holds particular significance. The description of a warior’s armor tels much about the individual character of the warior and about the values of the society of which he is part. The Iliad contains many such arming scenes which take the simple description of armor and transform it into a more expansive and iluminating portrait of ancient Greek mentality. When compared with one another, these descriptions of armor reveal some basic distinctions that make the shield of Achiles of utmost importance. As noted by Atchity in Homer’s Iliad: The Shield of Memory, the armor of Paris is described in book thre in a conventional and most undistinguishe... ...ch contradictions. Art is the medium through which humans explore life’s great questions and test its boundaries. Armed with the belief that ordered civlization wil prevail, the artist—poet, metalworker, painter, actor—is fre to enter into the batle of ideals. Works Cited Atchity, Kenneth John. Homer’s Iliad: The Shield of Memory. Carbondale, IL: Southern Ilinois Univ., 1978. Becker, Andrew Sprague. The Shield of Achiles and the Poetics of Ekphrasis. Lanham, MD: Rowman & Litlefield, 1995. Duethorn, Guenter A. Achiles’ Shield and the Structure of the Iliad. Amherst, MA: Amherst Colege, 1962. Edwards, Mark W. The Iliad: A Commentary. Vol. V: books 17–20. G.S. Kirk gen. ed. Cambridge, MA: 1995. Homer. The Iliad. Trans. Richmond Latimore. Chicago: Univ. of Chicago, 1961. Keats, John. â€Å"Ode to a Grecian Urn.† 4 Oct. 2003 < htp://www.poets.org/poems/>. Homer's Iliad Essay -- Art Tool of Warfare Papers Homer's Iliad The Iliad is an epic of death. It is a tale of conflict, batle, agony, and horific mutilation. Honor and glory are atained through warfare. The great shield of Achiles stands out in this context because it depicts the glories of an orderly, functioning, productive civilization. This depiction of life stands in stark contrast to the scenes of death that constitute a large portion of the narative. An examination of the shield of Achiles in Homer’s Iliad reveals many ideas in conflict: love and honor, the pleasures of life versus a heroic death, free wil and destiny. By viewing the shield as an element of contradistinction—that is to define it on the basis of contrast—one can se that the shield symbolicaly unifies the entire poem. Achiles’ shield is the mechanism through which the poet presents a tool of warfare as a reflection of civilization; explores the concept, structure, and nature of the universe; and examines the role of art in society. I. A Reflection of Civlization on a Tool of Warfare In the epic tradtion, the arming of wariors for batle holds particular significance. The description of a warior’s armor tels much about the individual character of the warior and about the values of the society of which he is part. The Iliad contains many such arming scenes which take the simple description of armor and transform it into a more expansive and iluminating portrait of ancient Greek mentality. When compared with one another, these descriptions of armor reveal some basic distinctions that make the shield of Achiles of utmost importance. As noted by Atchity in Homer’s Iliad: The Shield of Memory, the armor of Paris is described in book thre in a conventional and most undistinguishe... ...ch contradictions. Art is the medium through which humans explore life’s great questions and test its boundaries. Armed with the belief that ordered civlization wil prevail, the artist—poet, metalworker, painter, actor—is fre to enter into the batle of ideals. Works Cited Atchity, Kenneth John. Homer’s Iliad: The Shield of Memory. Carbondale, IL: Southern Ilinois Univ., 1978. Becker, Andrew Sprague. The Shield of Achiles and the Poetics of Ekphrasis. Lanham, MD: Rowman & Litlefield, 1995. Duethorn, Guenter A. Achiles’ Shield and the Structure of the Iliad. Amherst, MA: Amherst Colege, 1962. Edwards, Mark W. The Iliad: A Commentary. Vol. V: books 17–20. G.S. Kirk gen. ed. Cambridge, MA: 1995. Homer. The Iliad. Trans. Richmond Latimore. Chicago: Univ. of Chicago, 1961. Keats, John. â€Å"Ode to a Grecian Urn.† 4 Oct. 2003 < htp://www.poets.org/poems/>.

The Influence of OPEC Essay -- Trade Organizations Economy Essays

The Influence of OPEC The Organization of the Petroleum Exporting Countries, OPEC, was formed in Baghdad, Iraq in 1960 to coordinate and unify the policies of petroleum exporting countries. According to OPEC, their main objective is to ensure the â€Å"stabilization of oil prices† and the securing of a steady income to oil producing nations. In order to achieve this objective, the OPEC member nations meet at least bi-annually to decide whether to raise or lower their collective oil production in order to maintain the prices they deem as â€Å"stable.† The main factors that are considered when formulating petroleum policy are the forecasts for economic growth rates and the projected demand for petroleum. (www.opec.org) Exemplary of the importance of OPEC is that the 11 member countries, (with the main contributor being Saudi Arabia), produce about 40% of the world’s crude oil, and account for 55% of the world’s crude oil exports. At the end of 2001, OPEC had reserves of nearly 850 billion barrels of crude oil, which represents nearly 80% of the world total of over 1 trillion barrels. (www.platts.com/features/gasoline) As these numbers indicate, OPEC produces so much oil that they are in a position to exert considerable influence on petroleum supply levels and manipulate the price. The means by which OPEC exerts its influence is through setting production quotas. OPEC sets individual production quotas for each member country that serve as â€Å"production targets† to ensure the level of petroleum supplied by OPEC does not exceed the demand for petroleum. These â€Å"production targets† for each country add up to a â€Å"ceiling† that OPEC desires not to exceed. In reality however, OPEC countries have traditionally exceeded the proposed ceiling. In October of 2002, OPEC set a ceiling of nearly 22 million barrels to be produced per day by the OPEC 10. However, nearly 25 million barrels were produced, 3 million more than the proposed ceiling. Iraq is not included in the quota system because their exports are controlled by the U.N. based on the â€Å"food for oil† program, hence the â€Å"OPEC 10† instead of â€Å"OPEC 11.† (http://www.eia.doe.gov) With the majority of OPEC oil coming from Middle Eastern countries, the politics of the Middle East and in particular, the Persian Gulf, have played an important factor in the policies OPEC decides upon despite the fact that OP... ...educe dependence on imported oil is to reduce dependence on petroleum altogether. And the best way to do this is to increase efficiency and reduce demand of oil. OPEC still has considerable influence in determining the price per barrel of petroleum by setting quotas, but their best days are behind them. The emergence of non-OPEC exporters such as Canada, Russia, and Mexico have stripped the cartel of its power to single-handedly manipulate the petroleum market. The U.S. has benefited from the increased production of petroleum by non-OPEC nations and thus reduced their annual imports from the OPEC countries in recent years. However, the United States needs to address its obtuse energy policy and accept the fact that oil will not last forever and implement strategies that stress efficiency and will reduce the demand for fossil fuels in general. Works Cited (www.eia.doe.gov/mer)- Internet Website (http://www.nrdc.org/air/energy/fensec.asp)- Internet Website (www.opec.org)- Internet Website (www.petroleumworld.com)- Internet Website (www.platts.com/features/gasoline)- Internet Website (www.ssc.upenn.edu/polisci/psci260/OPECweb/OPECHIST.HTM)- Internet Website The Influence of OPEC Essay -- Trade Organizations Economy Essays The Influence of OPEC The Organization of the Petroleum Exporting Countries, OPEC, was formed in Baghdad, Iraq in 1960 to coordinate and unify the policies of petroleum exporting countries. According to OPEC, their main objective is to ensure the â€Å"stabilization of oil prices† and the securing of a steady income to oil producing nations. In order to achieve this objective, the OPEC member nations meet at least bi-annually to decide whether to raise or lower their collective oil production in order to maintain the prices they deem as â€Å"stable.† The main factors that are considered when formulating petroleum policy are the forecasts for economic growth rates and the projected demand for petroleum. (www.opec.org) Exemplary of the importance of OPEC is that the 11 member countries, (with the main contributor being Saudi Arabia), produce about 40% of the world’s crude oil, and account for 55% of the world’s crude oil exports. At the end of 2001, OPEC had reserves of nearly 850 billion barrels of crude oil, which represents nearly 80% of the world total of over 1 trillion barrels. (www.platts.com/features/gasoline) As these numbers indicate, OPEC produces so much oil that they are in a position to exert considerable influence on petroleum supply levels and manipulate the price. The means by which OPEC exerts its influence is through setting production quotas. OPEC sets individual production quotas for each member country that serve as â€Å"production targets† to ensure the level of petroleum supplied by OPEC does not exceed the demand for petroleum. These â€Å"production targets† for each country add up to a â€Å"ceiling† that OPEC desires not to exceed. In reality however, OPEC countries have traditionally exceeded the proposed ceiling. In October of 2002, OPEC set a ceiling of nearly 22 million barrels to be produced per day by the OPEC 10. However, nearly 25 million barrels were produced, 3 million more than the proposed ceiling. Iraq is not included in the quota system because their exports are controlled by the U.N. based on the â€Å"food for oil† program, hence the â€Å"OPEC 10† instead of â€Å"OPEC 11.† (http://www.eia.doe.gov) With the majority of OPEC oil coming from Middle Eastern countries, the politics of the Middle East and in particular, the Persian Gulf, have played an important factor in the policies OPEC decides upon despite the fact that OP... ...educe dependence on imported oil is to reduce dependence on petroleum altogether. And the best way to do this is to increase efficiency and reduce demand of oil. OPEC still has considerable influence in determining the price per barrel of petroleum by setting quotas, but their best days are behind them. The emergence of non-OPEC exporters such as Canada, Russia, and Mexico have stripped the cartel of its power to single-handedly manipulate the petroleum market. The U.S. has benefited from the increased production of petroleum by non-OPEC nations and thus reduced their annual imports from the OPEC countries in recent years. However, the United States needs to address its obtuse energy policy and accept the fact that oil will not last forever and implement strategies that stress efficiency and will reduce the demand for fossil fuels in general. Works Cited (www.eia.doe.gov/mer)- Internet Website (http://www.nrdc.org/air/energy/fensec.asp)- Internet Website (www.opec.org)- Internet Website (www.petroleumworld.com)- Internet Website (www.platts.com/features/gasoline)- Internet Website (www.ssc.upenn.edu/polisci/psci260/OPECweb/OPECHIST.HTM)- Internet Website

Friday, August 2, 2019

Waste defined as unwanted matter

Chapter – 11.0 IntroductionWaste is defined as unwanted affair or stuff of any type, frequently that which is left after the utile substances or parts have been removed. It can be solid, liquid, semi-solid or contained gaseous stuff ensuing from either human or carnal activities. Based on the above definition, we can state that since the beginning of life on Earth, world has been bring forthing waste runing from castanetss and other parts of animate beings which they slaughter for their nutrient, to the wood they cut to do their carts. However, with the advancement of civilisation and the promotion of engineering, the waste generated has become more complex in nature and even more varied in footings of its components, doing it more complicated to be controlled and managed decently. Furthermore, it is deserving observing that, today, most of the states in the universe have witnessed a crisp population growing which resulted in the rapid enlargement of urban countries, taking to significant rise in the figure of consumers. This phenomenon is in itself mostly responsible for the addition in the sum of waste generated daily. Waste is finally thrown into municipal waste aggregation centres where the direction and disposal is done. Yet, if done improperly, it can do serious impacts on wellness every bit good as jobs to the environment. For case, if non decently disposed of, waste could on the one manus spread infective and chronic diseases, and on the other manus could take to chemical toxic condition and radioactive jeopardies, that could, at times, be lifelessly. Added to that, improperly managed waste can do H2O, Earth and air pollution, which finally affect people ‘s wellness and put on the line their lives. So bearing in head the antecedently mentioned factors, authoritiess all over the universe have to plan proper and efficient methods of waste disposal that better guarantee the safety of its people and cut down the effects of waste jeopardies on persons and the environment wholly.Chapter- 22.0. Definition of solid wasteDue to the momentous addition in waste that characterizes modern-day societies ; solid waste has become easy recognized than defined. However, solid waste has been defined by the New York Department of Environmental preservation as any refuse, garbage or sludge and other cast-off stuffs including solid, liquid, semi-solid or contained gaseous stuffs, ensuing from industrial, commercial and agricultural operations and from community activities. To get down with, specifying solid waste is of great importance to be able to separate and cover with different classs of waste successfully. Nevertheless, a careful and thorough cognition of the beginnings, types every bit good as the belongingss of solid waste is one of the basic demands needed for a proper and equal direction of solid waste.2.1. Beginnings of solid wasteThe beginnings of solid waste vary from residential, to commercial, institutional, building and destruction, municipal, agricultural, industrial and risky beginnings, depending on the constituents and types of waste produced.2.1.1. Residential beginningsThe size of urban residential countries, made up of both individual and multifamily homes, low ; medium ; and high rise flats, have presents expanded in a manner that they now constitute a major cause of the coevals of big measures of solid waste. Besides, the changeless alteration in people ‘s life style, and nutrient wonts led to the rise of consumer societi es which has finally contributed to the coevals of more solid waste.2.1.2. CommercialCommercial countries fundamentally constitute of assorted edifices that offer services and installations to the consumers. The latter include section shops, eating houses, markets, offices edifices, hotels, motels, print stores, service Stationss, car fix stores, etc. The figure of the above mentioned edifices is increasing twenty-four hours by twenty-four hours as the figure of people in demand of these installations has been increasing dramatically. Consequently, the sum of waste produced by these constitutions has besides been lifting. Waste is besides more varied as it includes organic or combustible solid waste ( e.g nutrient, paper, cardboad ) , inorganic or non-combustible solid waste ( e.g glass, Sn tins, aluminium ) and particular waste ( e.g electronics, bulky points, white goods ) .2.1.3. InstitutionalInstitutional beginnings of solid waste are varied in footings of the constitutions invo lved in treating such type of waste and the type of waste produced. These include authorities centres, schools, prisons and infirmaries. Talking about infirmary waste, which constitutes of disposable instruments such as acerate leafs, panpipes, swabs, patchs etc, it is deserving adverting that this type of waste has an highly bad consequence on the environment. Acerate leaf to state, that it is besides extremely infective and can be a serious menace to human wellness. For this ground, it is strongly advised that medical wastes should be handled and processed individually from other waste.2.1.4. Construction and DestructionThe addition in universe population has been accompanied with an increasing demand for residential and non-residential edifices, that is to state single or commercial edifices. For this ground, more immense edifices are being constructed, others are being knocked down or demolished and other 1s are being repaired or remodeled. Besides, there is the municipalities à ¢â‚¬Ëœ route fix and redevelopment work which leaves behind hemorrhoids of waste in the destruction sites. The measure of such waste is hard to gauge and is ever unpredictable.2.1.5. Municipal servicesAnother of import beginning of solid waste is that which consequences from the operation and care of different municipal installations, including street cleansing, landscape gardening, catch basin cleansing, Parkss, beaches and other recreational countries. Because it is by and large impossible to foretell some of the constituents of this waste and its beginnings, it is frequently referred to as waste from non-specific diffuse beginnings, which can be contrasted to the specific waste from the residential beginnings which is recurrent.2.1.6. AgriculturalWaste that is generated in the agricultural field is in no manner less of import than the one which residential, commercial or institutional beginnings generate, although it is different in its type and constituents. The chief beginning of this type of residue is the inauspicious agricultural activities conducted in the field such as planting and harvest home of trees and harvests, animate being maintaining, the production of milk and the operation of feedlots. The disposal of such type of waste has n't been the duty of most of the municipal waste direction bureaus. That is why the disposal of carnal manure has become a critical job for a big figure of states where agribusiness is a common activity.2.1.7. Industrial wasteNo uncertainty, the old ages that followed the industrial revolution have witnessed great technological development which proved to be critical for the states ‘ economic systems. Light and heavy fabrication industries are now being developed, chemical and power workss are being set and fiction of new stuffs has been an ongoing procedure. However, this technological promotion goes manus in manus with the addition in the waste stuffs generated from all sectors including meat processing and rendition, wool scouring, mush and paper devising, fish processing, tining and confectionery sectors†¦ . Consequently, new and efficient ways of waste direction demand to be developed in order to run into the demands of the indus trialised states.2.1.8. Hazardous wasteHazardous waste is any type of waste that constitutes an at hand menace to homo ‘s and animate being ‘s lives. Besides, it is besides considered a major menace to the environment including workss and other life animals. Hazardous waste may incorporate toxic substances that are either caustic, extremely inflammable, or explosive, and respond when exposed to certain things like gases. This sort of waste is generated non merely in the industrial sector or in infirmaries but besides some family waste, like batteries, pigment Sns and old medical specialties can be categorized as risky. Unfortunately, some states do n't hold proper disposal installations for these risky wastes which, at times, can be fatal.2.2. Types of solid wasteSolid waste could be divided into three chief types depending on the beginning of the waste generated. There is first the municipal waste, so the industrial and biomedical waste, and eventually the agricultural waste.2.2.1. MunicipalIt includes wastes generated from residential, commercial, institutional, construction/demolition, and municipal services. These could be nutrient wastes, paper, plastics, glass, aluminium and other stuffs, composition board, consumer electronics, family risky waste, wood, steel, concrete, particular wastes, rubbish and street sweepings, etc. It is deserving observing that the municipality is in charge of the aggregation and disposal of such types of solid wastes.2.2.2. Industrial and biomedicalThese are classified under the same type of waste because they consist of elements that are extremely and potentially unsafe and risky. Though biomedical waste differs from the industrial waste as it originates from biological beginnings, yet both of them should be decently managed to protect the general populace, specifically workers who are on a regular basis exposed to such waste as an occupational jeopardy.2.2.3. AgriculturalSpoiled nutrient wastes, carnal waste, rubbish and other agricultural wastes are types of solid wastes produced in the agricultural field. As I antecedently mentioned, the direction and disposal of such type of solid waste is, in most states, non the municipalities ‘ duty, which poses a serious job for them.2.3. Properties of municipal solid waste2.3.1. Physical belongingssWhen we talk about the physi cal belongingss of municipal solid waste, we should needfully advert the specific weight, wet content, atom size and size distribution, field capacity and the compacted porousness of waste.2.3.1.1. Specific weightIt is defined as ‘the weight of stuff per unit volume ‘ ( Integrated Solid Waste Management, George Tchobanoglous, Hilary Theisen and Samuel A. Vigil, 1993 ) . It is measured in ( lb/ydA? ) and is needed in order to measure the entire mass and volume of waste that must be managed. However, specific weights of solid waste vary unusually with the geographic location, season, and length of clip in storage. ( Table 1.1 )2.3.1.2. Moisture contentMoisture content of solid waste means the per centum of the wet weight of the stuff. It is expressed as follows: M= ( w – vitamin D ) 100 Meter: wet content ( % ) tungsten: initial weight of sample, ( pound ) d- weight of sample after drying at 105A °c, ( pound )2.3.1.3. Particle size and size distributionIt is an of import consideration in the recovery of stuffs ( Figure 1.1 ) . It may be defined by the followers: Scandium: ( fifty + tungsten ) Scandium: size of the constituent cubic decimeter: length in millimeter tungsten: breadth in millimeter H: tallness in millimeter2.2.1.4. Field capacityIt is the entire sum of wet that can be retained in waste, which, finally, determines the formation of leachate in landfills, that is to state H2O in surplus of the field capacity. It varies in conformity with the grade of force per unit area and the province of decomposition of the waste.2.2.1.5. Permeability of compacted wasteIt is used to mention to the hydraulic conduction of compacted or pressed wastes which governs the motion of liquids and gases in a landfill.2.3.2. Chemical belongingssThe chemical composing of the constituents of municipal solid waste helps measure the processing and recovery of waste. For case, the possibility of burning or firing waste depends really much on the chemical composing of waste. There are four chief belongingss that should be focused on if wastes are to be burned: proximate analysis, blending point of ash, ultimate analysis and the energy content of waste.2.3.2.1. Proximate analysisIt consists of finding the wet loss from waste when heated, the extra loss of weight at 950A °c, the fixed C and ash weight of residue after burning.2.3.2.2. Blending point of ashIt is needed to find the temperature at which the ash ensuing from the combustion of waste will organize a solid by merger.2.3.2.3. Ultimate analysisIt involves finding the per centum of C ( C ) , H ( H ) , O ( O ) , N ( N ) , S ( S ) and ash in waste ( Table 1.2 ) . Table 1.2: Typical informations on the ultimate analysis of the combustible constituents in the residential municipal solid waste2.3.2.4. Energy contentIt can be determined utilizing a full graduated table boiler as a calorimeter, a research lab bomb calorimeter and by computation if the elemental composing is known. However, it can be said that the informations on the energy content of the organic constituents of municipal solid waste are based chiefly on the consequences of bomb calorimeter trials due to the trouble of pull stringsing a all-out boiler.2.3.3. Biological belongingssAbout all the organic constituents in municipal solid waste can be converted to gases, which is the most of import biological feature. In add-on to this characteristic, there is the production of olfactory properties and the genteelness of flies.2.3.3.1. Biodegradability of organic waste constituentsVolatile solids content, which is determined by ignition at 550A °c, is frequently used as a step of biode gradability of the organic fraction of municipal solid waste. ( Table 1.3 ) Table 1.3: Datas on the biodegradable fraction of selected organic waste constituents based on lignin content2.3.3.2. Production of olfactory propertiesOlfactory properties develop when solid wastes are stored for a long clip. The latter develop from the decomposition of the readily analyzable organic constituents. This belongings is by and large accompanied by alteration in the colour of the organic waste to black.2.3.3.3. Breeding of fliesIn warm clime fly genteelness should be an of import consideration. They can develop quickly in less than two hebdomads after the eggs are laid. For this ground the storage period of solid waste should be short particularly in hot conditions. Eggsdevelop 8-12 hours First phase of larval period 20 hours Second phase of larval period 24 hours Third phase of larval period 3 yearss Pupal phase 4-5 yearss Entire 9-11 yearss2.4. Definition of solid waste directionSolid waste direction is a system for managing all the refuse generated by people populating in urban and rural countries. It consists of the aggregation, transit, processing, recycling or disposal and monitoring of the waste stuffs produced by the assorted human activities. Waste direction is carried out in order to maintain metropoliss clean and to cut down the effects of waste on people ‘s wellness and the environment. But it is besides meant to retrieve resources from it.2.5. Solid waste rhythmThere are 5 chief stairss in the procedure of waste direction viz. analysis, aggregation, transit, recovery and recycling or disposal. These are summarized in the undermentioned figure 1.2.2.5.1. Solid waste direction rhythmIn order to develop an appropriate waste direction solution that meets the demands and demands of the dwellers of peculiar country, and the demands of worlds that keep altering over clip, it is decidedly req uired to analyze the waste to be managed. For case, the cognition of the volume or sum of waste produced helps make up one's mind on the equipment required for such volume of waste to be disposed, a suited service agenda every bit good as the staff needed for the work. Furthermore, the cognition of waste watercourses that are normally disposed of is needed in order to plan and transport out suited direction process. So it could be said that the direction of solid waste is an ongoing procedure that starts long clip before the waste is produced.2.5.2 CollectionThe 2nd measure in the waste direction rhythm is the aggregation of waste from bins which by and large differ in size and contents, and from disposal countries where wastes vary from family simple refuse to industrial Dumpsters which are filled by more complex wastes generated either by persons or companies. Waste at this degree could be separated or un-separated ( commingled ) .2.5.3. Transportation systemIt follows the aggrega tion measure and consists of both transporting the collected wastes to the resource recovery centre and droping the contents of the aggregation vehicles in the centre where the waste is supposed to be processed.2.5.4. RecoveryOnce unloaded in the processing installation, the waste is sorted into reclaimable and non-recyclable points, besides called general waste, as a readying for the following phase where the waste is really disposed of utilizing the needed method for each class ( reclaimable or non-recyclable stuffs ) .2.5.5. Disposal and monitoring of solid wasteEqually shortly as the waste is sorted and classified into different classs, the reclaimable waste is carried to a recycling installation, where it is processed in order to be reused. Whereas the non-recyclable waste is either sent to a composting or inceneration centre or disposed of at landfill.2.6. Solid waste treatment/management2.6.1. Land make fullingLand filling has ever been a common pattern in most states univers e broad. It involves the monitoring of the incoming waste watercourse and burying it in big holes specifically designed for the intent. At this degree it should be acknowledged that a decently designed and well-managed land fill can be hygienic but besides a comparatively cheap method of disposal of waste stuffs. On the other manus, nevertheless, poorly-designed every bit good as poorly-managed landfills can make a figure of serious environmental effects that is why the procedure of land make fulling starts long clip before the dumping of waste in the landfills and does non stop at the degree of burying the waste. Municipalities and waste direction bureaus have to pay a great trade of attending to the closing of the land fill every bit good as its care after the closing. For case, harmonizing to George Tchobanoglous, Hilary Theisen and Samuel A. Vigil a figure of elements have to be taken into consideration in order to guarantee that bing landfills do non impact people ‘s wellness and the environment negatively. To get down with, they believe that the ballad out and design of the landfill is of import, together with the operations and direction. The reactions happening in landfills, the direction of landfill gases and leachate should be taken into consideration. Harmonizing to them a typical layout of a landfill is presented in the figure1.3 taken from Integrated Solid Waste Management, Engineering Principles and Management Issues, 1993. The volume and type of waste disposed of in a landfill during one operation, which is referred to as cell, varies from one land fill to another. For this ground, we can sort land fills under three chief classs. First, the land fills that are designed for commingled municipal solid waste ( excepting industrial waste ) . The 2nd class of land fills includes waste that is cut into strips or shredded in order to be compacted to a tighter surface, therefore increasing its denseness. The 3rd type includes land fills for single waste components known as monofills. However, whatever waste is buried in land fills, a day-to-day screen consisting of dirt or other stuffs, such as compost, should be used so that it controls the blowing of the waste stuffs outside the land fill, the entry of rats and flies and besides the entry of H2O. These safeguards taken after the disposal of waste in a landfill aid guarantee that the latter does non impact public wellness and the environment.2.6.1.1. Restrictions of land fillingSince the development of this method of waste disposal at that place have been three chief issues related to set down filling. The first issue relates to the uncontrolled release of landfill gases that can make countries off-site, dispersed annoying olfactory properties and do potentially unsafe jobs. The 2nd job is related to the consequence that the uncontrolled discharge of landfill gases could hold on the ambiance. Added to that, is the job of the uncontrolled release of leachate which could make the land or surface H2O and contaminat e it, doing a figure of diseases to the persons. For these assorted grounds, one of the chief concerns of waste direction bureaus should be to extinguish or at least cut down the impacts associated with this waste disposal method in order to maximise its benefits.2.6.2. RecyclingIt is non a modern-day method as it started long clip back when resources were really scarce and people had fewer picks. However, with the industrial revolution recycling has taken a different and more complex form as the stuffs being processed presents differ from those of the yesteryear. This method consists of treating used stuffs into new merchandises in order to forestall the waste of some resources and cut down the negative effects other methods could hold.2.6.2.1. Reclaimable stuffsTo get down with, as I antecedently mentioned, waste stuffs could be divided into two chief classs: reclaimable and non-recyclable waste. The reclaimable waste, which is our chief concern, includes stuffs such as glass, pap er, metal, plastic, fabrics, aluminium, lumber, concrete blocks, batteries, electronics and biodegradable waste.2.6.2.2. Benefits of recyclingTo get down with, recycling has an economic benefit for persons every bit good as the community in general, though there has been some dissension about whether recycling is economically efficient or non. A survey conducted by the Technical University of Denmark found that in 83 % of instances, recycling is the most efficient method of waste disposal, but the sum of money that could be saved through recycling depends on the efficiency of the plan used to make it. It has been proved that recycling could be profitable if it replaces the traditional ways of waste disposal, if the landfill fees are high and of class depending on the sum of waste to be recycled. Furthermore, it is believed that recycling saves energy. For case, the Energy Information Administration states that â€Å"a paper factory uses 40 per centum less energy to do paper from recycled paper than it does to do paper from fresh lumber† . It besides argues that recycling aluminium saves 95 % of the energy required to do the same sum of aluminium from abrasion. Finally, recycling proved to hold enormous benefits on the environment. It reduces air pollution that could be caused by gases produced in incineration sites. Besides, it helps cut down the risky waste ‘s leaching from landfills. It besides controls the ingestion of natural resources which the universe hazards of running out within a figure of old ages. All I all recycling can be considered an efficient manner of prolonging the environment for the approaching coevalss.2.6.3. Restrictions of recyclingCompared to other waste disposal methods, recycling could be extremely good. Yet like other methods it has its defects and restrictions excessively. For illustration, it has been proved that nowadays waste is being recycled for fiscal addition regardless of the risky effects it could hold both on workers ‘ wellness or the environment, taking the recycling industry set up in China as an illustration. Furthermore, the profitableness of recycling is questioned because even develo ped states like the United States of America have trouble in happening markets for recycled points doing of marketing a serious issue for them. Added to that, the cost of reclaimable stuffs can at times exceed the cost of the natural stuffs. In add-on to the old statements, critics argue that in the procedure of recycling, it could take more energy to bring forth recycled merchandises than it does to dispose of them in traditional landfills or incineration sites.2.6.3. Reduce and reuseThe tendency of waste coevals is increasing in most states in the universe due to the crisp rise in the universe population, accompanied by the enlargement of urban countries. However, in order to halt this tendency of increasing sum of waste produced by each individual we should command the coevals of waste in the first topographic point. Waste bar, besides called â€Å"source reduction† , means that mills should plan and industry stuffs that cut down the sum of rubbish created and single people should buy and utilize stuffs that could be reused. Therefore manufactures every bit good as persons contribute to the procedure of cut downing the waste produced, which finally hold and hopefully avoid the costs of recycling, composting lan d filling and burning. Good illustrations of merchandises that could be reduced or reused are containers and packaging, newspapers, vesture and other goods like furniture, tyres, etc.2.6.3.1. Benefits of decrease and reuseReducing waste saves the natural resources and recycling stuffs to fabricate them deceases the coevals of waste dramatically as finally less material will necessitate to be disposed of. Furthermore, forestalling waste means economic nest eggs for communities and persons excessively. For case, if mills industry merchandises with less packaging, they will purchase less natural stuff. This means the lessening in the fabrication costs and the addition in the net income. Individual people could besides derive if they buy merchandises in majority, with less or reclaimable packaging. However, we should bear in head that reclaimable merchandises need to be more lasting, therefore necessitating more material. Besides, screening and fixing points for reuse takes clip and it could besides be money for concerns. Some points could besides be risky as they continue to be used.2.6.4. IncinerationThis means the disposal of waste by burning it or change overing it into heat, gas, steam and ash. It is seen as practical method of disposing of certain risky waste stuffs such as biological medical waste. It is besides deserving adverting that it is a common method in states where land is scarce like Japan.2.6.4.1. Restrictions of incinerationIncineration is a controversial method because of the emanation of gaseous pollutants that accompany the procedure and which may hold serious environmental effects.2.6.5. CompostingIt consists of break uping organic waste, such as nutrient, with micro-organisms in order to bring forth consumer merchandise or compost that varies in footings of its physical and chemical features depending on the nature of the get downing stuff. Harmonizing to George Tchobanoglus, Hilary Theisen and Samuel A. Vigil the composting operations consist of pre-processing of municipal solid waste, decomposition of the organic fraction of the waste and readying and selling of the concluding compost merchandise after it has been cured and stabilized. This procedure is summarized in the undermentioned figure 1.4 taken from their book Integrated Solid Waste Management, Engineering Principles and Management Issues,1993. This method allows the usage of the already available waste in a more productive manner and reduces the volume of wastes placed in landfills. However, there are issues associated with this method that should be analyzed and solved. These include the production of olfactory properties that accompany the procedure and the absence of fixed standards for suited or unvarying compost merchandise.2.7. Solid waste direction in the Sultanate of OmanThe sultanate of Oman has undergone dramatic alterations since the 1970 ‘s. Along with other states in the universe, it has witnessed an addition in the population characterized by the enlargement of the urban countries and the change in the life styles of its people. These alterations automatically affected the size, beginnings, and type of waste generated by single families or authorities establishments and industries. This means that the already available system of waste direction has become deficient to run into the demands of the lifting figure of people. Mahad bin Eissa Shammas, Director of the board of directors of environment personal businesss in the governorate of Dhofar says in a study for a web diary that â€Å"The addition in the population denseness, as a consequence of the uninterrupted urban enlargement, together with the betterment of life criterions, have increased the sum of generated solid waste all over the sultanate. Assorted processs were taken to construct the basic installations for solid waste disposal, but those stairss could non fit the velocity of development the universe has witnessed in this field.† For this ground the authorities has put a batch of accent in the demand to better waste direction methods to run into the both the demands of people and the environmental demands of a underdeveloped state.2.7.1. Solid waste garbage dumpsBurning waste is a common pattern in some locations in the sultanate, but throwing waste in garbage dumps is besides a widely used pattern. Mahad bin Eissa Shammas criticize s the available garbage dumps stating that healthful garbage dumps were introduced in the sultanate yet. Besides, there are no suited mechanisms to roll up and pack the waste in order to forestall internal burning. Furthermore, taking the location of the garbage dumps was non done on a scientific footing. That is why some garbage dumps are located on the same vale where otiose H2O is being drained, which makes the pollution of the land H2O an at hand job. Recycling on the other manus was introduced several old ages back, yet it has been limited to specific stuffs such as metals, fish and agricultural waste. To sum up we can state that the disposal of solid waste in the sultanate was non good managed due to the deficiency of consciousness among people in charge of the waste direction. However, a great trade of attending has late been paid to this job. So Torahs have been modernized and surveies have been conducted by the ministry of local municipalities and environment in cooperation with Muscat municipality in order to better waste direction methods.2.7.2. Recycling procedureDirector Mahad bin Eissa Shammas, says that the authorities intends to switch to mechanical intervention workss to recycle the waste, and to do usage of private sector in recycling. He gives the illustrations of the successful undertakings of gum elastic pulverization and runing Fe produced from used auto tyres which were utile for the environment. Fecal matters of herds are now being collected and used to bring forth natural fertilisers. Fish oil and pulverization are being produced in particular mills and used as fresh fish and fertilisers. The leftovers of slaughter houses particularly the tegument is being used to fabricate leather. A closer survey of the waste direction of Al Amerat Municipality as a theoretical account will be covered in chapter†¦ ..2.8. Waste direction in PalestinePopulating in a state that suffers from war, Palestinian people faced a batch of troubles in pull offing the solid waste produced by mostly populated countries, which otherwise and under ordinary fortunes, constitutes a serious job to a big figure of states in the universe. Based on a study written by Salah EL Borno, Director of the Council for Solid waste direction, it could be said that the bad patterns with the absence of statute law and review mechanisms in many countries resulted in insufficient and inconsistent aggregation services. Waste was on occasion dumped in unfastened countries, farms and vales or in some non-hygienic topographic points, which represented a possible danger to the public wellness and the environment, particularly to the land H2O resources.

Thursday, August 1, 2019

Responsive and Adaptive Architecture

Responsive and Adaptive Architecture It is no secret that the universe is germinating at an amazing gait and everything is altering really fast. Modern tendencies are really rushing with each other and engineering is developing invariably conveying the mundane user new services to simplify their day-to-day modus operandi. However, the built environment can non be replaced every bit rapidly as a laptop or a phone, for illustration. Architecture is about reflecting on the universe and showing it through the urban landscape that we create. Architecture is a tool to continue historical events, periods, phases of development. But what if it is really able to maintain up with the developing universe around it and reflect it all the clip? What if merely by looking at a series of edifices you are able to see an on-going event someplace else, or the edifice alterations shape to state you to avoid traffic. Architecture is an look but what if it is able to react to current events and be enlightening, artistic or any sort of manner to reflect upon its milieus on a little or broad graduated table. It would really non merely determine the environment but besides take portion in the actions and be involved in the communicating procedure – accommodating itself to the plangency and the events. Since I am interested in the latest tendencies and technological promotions I keep path of several cyberspace beginnings which publish intelligence related to this subject. However most of them are aimed at the amusement concern and digital development, taking the degree of gambling and digital sweetenings to the following phase. I was funny if the engineering they develop for multimedia can in a manner be combined with an architectural design which would respond to its milieus. By making so the barrier between the digital infinite and the physical kingdom would be broken. The universe created by such a edifice would be adaptative and the user will be able to see its presence and its behaviour as a consequence of his personal actions. My university undertaking during the first term was a perfect chance to develop my thought. My purpose is to make a infinite ( or series of infinites ) that could drastically alter and interact with the dwellers and accommodate the environment harmonizi ng to existent clip events. Achieving this will set the user into something more than a digital simulation leting him to see a new sort of architecture, one that responds to his presence. Current undertakings involved in antiphonal architecture took me to the plants of Cantoni and Crescenti who have developed several installings which respond to real-time human activity and the presence of the people. They really create constructions, non merely digital response on a screen or floor, that alteration harmonizing to people`s motion, weight, velocity and way.Mirroris a undertaking about a brooding and really flexible sheet of metal which either expands or detracts based on the user`s distance to itself. It is these first simple stairss into altering the environment that I am looking at and how they can be implemented both in the inside and outside of a edifice and how it can be farther developed. Other undertakings include a floor which moves harmonizing to where you are, and a tilting tunnel which leans to antagonize a person`s weight therefore reacting first manus to what is traveling on around it on a mechanical degree. The 2nd sort of undertakings I am looking at is the amusement development in footings of projection function and augmented world. Both are taking to convey the users a new degree in interaction between a digital universe and the physical universe about giving us a new sort of media to bask. â€Å"Demand it. Welcome it. Let it in. The Third Era of Visual Art is gon na be great.† ( Matt Pearson, â€Å" Generative Art: A Practical Guide † ) . The 3rd epoch of ocular humanistic disciplines brings us the minute of now. Not something that has been created in the yesteryear to be used or viewed in the hereafter in merely one peculiar manner. The events are go oning now, and the response is existent but alternatively of being played out merely in a practical world, the user becomes portion of it in the physical universe. The development of projection function is something I would wish to look at foremost. Since Sony developed the Move, handheld gesture tracker, for their console many developers have tried to utilize it to a greater possible than merely playing games on it. What it does is it is being tracked by a camera located in the console and it besides sends informations by observing which manner it is being moved, rotated etc. However, its usage has been driven into a different way of the amusement concern. In the past projection function was merely available from a inactive place. The undertaking which enabled it to be dynamic is called â€Å"Most Insane Immersive Movie Experience Ever† . Attaching a gesture tracker to the camera, utilizing a 3D function of the country and a spot of package to command the projection itself to be adjusted to the position of the camera, has enabled to transform one room with normal furniture into a series of infinites such as a digital dimension, a citysc ape and a sea, submersing the people into an astonishing experience like non other so far. My undertaking involves making a infinite which can imitate an environment and, by projection and motion, highlight contrasting to the landscape factors. I call it The Screen. The thought comes from analyzing a forest country that is traveling to hold a new railroad system constructed through it and this intervention`s intent is to foreground the perturbation being caused during and after building. The intercession is a large screening infinite, without the restriction of being a room, so it can be synergistic and re-arrangeable. The thought is that footage from the exterior is being played in an synergistic manner on the interior by holding a 360 projection, much like a planetarium. The construction resembles a large umbrella which wraps around the viewing audiences which besides gives the semblance that the intercession is drifting. This intercession aims to stand for the bing environment on the exterior in to the viewing audiences inside, by straight demoing them what it is design ed to foreground – break in the natural landscape caused by reinforced environment. The nucleus tower will keep will keep the robotic weaponries that extend and wrap the infinite and all the projectors which are aimed at the flexible membrane used for the screen. At the terminal of the robotic weaponries there will be a grid which will keep little Pistons which will be interacting with the screen and making the physical motion which will be synchronized with the projection. All the treating units, computing machines and power will be fitted in the base of the construction. Video provender will be provided from the top of the intercession tower where a 360 bird's-eye picture provender will be captured. This intercession is the first measure to making a antiphonal environment and to planing a paradigm for a bigger more developed version to follow. All the cardinal elements listed above can be combined together to make a new type of reinforced signifier, one which will pass on with its dwellers. Future developments of this can be introduced into the amusement concern a s a new signifier of bet oning experience, where the physical environment would alter drastically ; it could be introduced into art, exhibitions ; preparation and simulation. This could potentially open the door to a new sort of reinforced environment, one that has multiple utilizations in a individual infinite and could finally go everything one wants it to be.

Wednesday, July 31, 2019

Saving Private Ryan Сoursework

‘Saving Private Ryan' is an academy award winning film set during the time of D-Day invasion in World War 2. It was made in 1998 and was directed by Steven Spielberg and written by Robert Rodat. It was a very successful film and won 5 Oscars. Spielberg has made this film to make the audience feel the essence of war and the effects behind it. Spielberg also focussed on making it more realistic and to make the audience a part of the movie. The film is notable for its opening 24 minutes as it contains high level intensity, which depicts the Omaha beachhead assault, June 6, 1944. In this essay I will be looking at how Spielberg uses presentational devices to create ‘chaos and realism at all times. ‘ ‘Saving Private Ryan' begins with a single brass instrument playing a slow melchonly sound which gradually builds up to orchestral music. This sounds like the last stand and is reminiscent of funerals. The American flag is shown waving with light shinning through it representing patriotism, power and pride. Then a medium shot is used on an old man as he is walking towards the cemetery, in search of something, with his family walking behind him and looking at him. Then a series of establishing shots show the background imagery and a lot of crosses. The crosses are white, (symbolising innocence and purity) and are in lines as if soldiers are standing there. The camera then slowly zooms into the mans face as he has fallen to the ground, weeping beside the place he was searching for. This shows his feelings of unhappiness and shows that he is upset. This also makes the audience question, why is he in that state of emotion. The music also adds tension to the atmosphere. The sound then switches to waves and bombings as the film heads into the next scene. This scene shows a connection between the mans face, the graveyard and D-Day. It also builds tension, which is slowly portrayed with an emotional atmosphere. The next scene begins with the sound of waves crashing against Higgins boats which are taking American soldiers towards the beaches of Normandy. The audience have already been told that this action is set on June 6, 1944, the date of the d-day landings. A close up of a soldiers shaking hand is shown as he takes a drink from his water bottle. The audience may feel that he is scared, reversing the model of a typical war hero. Other closes up shots of soldiers are shown to introduce briefly the characters who will be important later in the film. The sound of soldiers vomiting and of orders being given can be heard going off. This makes the audience feel nervous on the soldier's behalf. As the doors of the boats open the audience are confronted immediately with the deaths of the soldiers. Some men slip under water to escape the bombardment and the camera follows. The sound changes as the audience see men being shot, or drowned under the weight of their own packs. An over the shoulder shot is used to show the German armies power and control as they are shooting the men. As the main character, Tom Hanks, makes his way through the beach, he goes into a state of shock as he witnesses the carnage around him. A medium shot is used to show a man searching for his arm, which has been blown off. A long shot shows the deaths of several men who are on fire. The colour of the fire stands out against the dull colours of the scene. The fact that Tom Hank's character is in a state of shock reinforces the image of a non-typical war hero. The following scene begins with a medium shot on Tom Hanks as he is brought back into reality. He looks around and sees carnage everywhere and soldiers shooting at each other. Then a long shot is used showing the imagery in the background and the essence of war. Soon after the soldiers are shown heading towards the beach, trying to get close to the Germans. This is shown in an extreme long shot which also shows the impact of them heading there and everything that was happening at the time. A medium shot is used as Captain Miller is dragging another soldier who is in pain and in desperate need of help. At this point the scene is put into slow motion as a deafening sound is played. This makes the audience feel shocked and on edge as the scene is put into slow motion. The director wants the audience to know that despite war hitting the American soldiers, they have not lost hope and courage and they are persevering with the circumstance. This shows that the Americans will continue to work with each other and try and emerge victorious against the opposing Germans. The war is then shown in several different long shots to show the chaos because of the war and to show the soldiers trying to seek refuge as some of the soldiers are in pain and agony. The close ups shows the emotions, feelings and the fear that they are having. We also see action from the Germans point of view as an over the shoulder shot is used to show the Germans advantage of shooting down at the Americans and trying to kill them. This is included to show the audience how the Germans are in control and when all the action is happening, the camera shakes, to make them feel the action. Soon after high angle shots are used to show medics on the battlefield trying to help the wounded men. Everyone is helpless as blood is scattered on the camera. The director chooses to add this to make it more realistic and exaggerated shots of soldiers being blown into pieces adds to this. Later, the Americans try to climb up the hill to shoot gunfire at the opposing soldiers at the top shooting down at them. Panning is used to show the audience what war would be like as if they were there and it makes them feel that they are involved in the action. As the American soldiers are getting into position a handheld camera is brought in to, again show the essence of war. As one soldier gets around to the side of the hill to get an accurate aim at the Germans shooting down, an extreme close up shot is used to show the level of concentration that he is using in killing the Germans. The soldier aims at the Germans and recites some prayers as he tries to get an accurate shot. He takes a deep breath before pulling the trigger of his gun and killing them. Throughout this scene, a handheld camera and panning is used as Spielberg wanted the audience to feel as part of the movie. The shooting continues in the next scene as the Americans appear to be in control. This is because they are running up the hill as the Germans at the top off the hill are still falling down. This is displayed using a medium shot. Soldiers are shown running towards their trenches in a long shot, showing that they are striving and are need of help in order to win the war despite the fact that they can now go to the top of the hill with decreased difficulty from before. This shows that they are cooperating and are working together to defeat the Germans. This symbolises to the audience that there is a ray of hope for the Americans winning. Later, German prisoners are shown being shot, as they are trying to surrender because they know that they have lost. This is shown from a medium close up angle and then is zoomed in as a close up shot so that the audience can see the agony the Germans are facing, as they are getting shot. The Americans are shown getting revenge by shooting and killing the prisoners. Spielberg chose to add this so that he could make the audience either sympathise with the Germans or feel relief and satisfaction because the allied forces are proving to be dominant at this point. Soon after screams can be heard as there are large explosions being given off, fire is everywhere burning soldiers and machine guns firing. It was carnage. The tables are turned when we see the Americans in total dominance as they begin to shoot at the German soldiers as they are shown dying and suffering. Then we see a soldier collecting sand and dust of the ground. He is holding 3 silver tins, and is filling one of them. These tins may represent three countries where he has possibly been to war at as they were labelled, Italy, Africa and France. This man is probably collecting this sand as a memorial and a remembrance to the war. One soldier is shown weeping over the death of hi fellow soldiers. He also possesses a Hitler youth knife, which could be important to him. As the scene heads for an end we see Tom Hanks in an extreme zoom in on his eyes showing his emotions as dramatic music begins to play. The battle field is shown in extreme long shots as the audience can see the devastation on it. The audience see the dead bodies scattered everywhere on the beach, with some being washed away by the shore. The scene ends with the camera zooming into Private Ryan's backpack. Saving Private Ryan is undoubtedly one of the best movies made on the d-day invasion. Spielberg clearly shows the essence of the war and has made the audience feel how war would be. The film is well known around the world and it is truly epic. It is concise to the point and the opening 24 minutes reflect on how excellent the movie is, as there is a lot of intensity. This is why it has won so many awards and nominations, topping them with 5 Oscars. Overall I think Saving Private Ryan is a great movie and Spielberg has used a wide range of camera shots and angles to get his message across to people and that is why Spielberg has been very successful with it. Spielberg clearly used a variety of presentational devices and has produced an authentic movie, which will be remembered for a long time.