Book Review on Urban Poverty - 2007 Words

Book Review on Urban Poverty B M Hasanul Banna International Islamic University Malaysia Urban poverty is the outcome of urban-bias development projects being predominantly financed by the external capital, either in the form of Foreign Direct Investment (FDI) or Aid. The urban-bias industrialization strategy performed as a pull factor for the rural unemployed. This strategy contributed to the expanding of urban informal sectors where unskilled as well as highly unorganized day labours remain concentrated in the urban and semi-urban areas. It is also debated that the redistribution of capital investment towards the rural based agricultural activities including plantation sectors through the coordinated efforts of both public and†¦show more content†¦The household having less than RM 398(less than half of the poverty line) is called hardcore poor, household earning equal to RM 398 but less than 663 is called overall poor and more than RM 663 is called non-poor. The best performing state in terms of lowest incidence of overall poverty (0.9) with no hardcore poor followed by KL (2.6) and JB (8.1) inclusive of hardcore and overall poor. While less developed states- KB, KT, and AS, KB experiences the highest incidence of poverty hardcore poor and overall poor of 33.7 followed by KT (23.4) and AS (14). On the other hand, Sabah and Sarawak are worst performing states reported in 9MP and his survey data. The author suggests that as far as poverty reduction is concerned Sabah and Sarawak are still the worst among all other regions states in Malaysia in 2007. The poverty is gender bias is a universal when hardcore poverty is concerned. In terms of hardcore and overall poverty, the female –headed households are more likely to be poorer by 50 percent compared the male-headed households. The higher dependency of more members on a few incomes of earners in the households also creates a constraint on resources allocation by the poor households. Approximately 60 percent of poor household’s more than two members depend on the income of one e arner. The lower dependency has implication for the ability of the poor households to hold out poverty at timesShow MoreRelatedTeen Pregnancy : A Social Issue1371 Words   |  6 Pagesdisadvantage. Within this issue you would find poverty, single parent households, educational disadvantages on the parents behalf, a lack family/parental support, and unemployment. A child’s educational performance, inappropriate sexual acts, and inferior apprehensions about their futures play a vital role in teen pregnancies as well. Amongst the listed disadvantages the three that take precedent are lacks of family communication, sexual abuse, and poverty. Furthermore, teen mothers do not fit the idealRead MoreDifferences Between Socioeconomic Classes And The Achievement Gap Between Students1234 Words   |  5 PagesDr. Ronald F. Ferguson†). 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Foundation Of Engineering Ethics And Values - 3793 Words

Foundation of Engineering Ethics and Values Interaction between Ethics and Technology SUBMITTED BY SHIRISH KUMAR KATA 1498381 ADVISOR Prof. Colin Doyle OKLAHOMA CHRISTIAN UNIVERSITY ABSTRACT: At the outset morals and innovation appear to have no collaboration. On the other hand, we see the impact of morals on innovation both from the calling and the general population. Case in point the code of expert morals has changed the techniques in distinctive parts of science, building and innovation, and has given a specific heading to the sorts of tasks done, their degree, and executions. The affectability of customers to pick good values has additionally brought about the alter of course for some advances. Open investment in science and innovation and the legitimate stations are alternate components that shape the impact of morals on engineering. All the more disputably on the other side we see the effect of engineering on morals. One can contend how and why the absolute most theoretical thoughts like regulating moral hypotheses or Kantian morals have been responses to the progressions in science and engineering. Also, the impacts of mechanical change have significantly impacted cutting edge relativistic morals. Innovation has given new potential outcomes to human life and made new moral inquiries as well. It could be said, Connected morals is the result of mechanical improvement. I. INTRODUCTIONShow MoreRelatedSample Resume : Campus Enrolment1174 Words   |  5 Pagesof professional ethics? Introduction Upholding a professional code of ethics can simply be understood as ‘doing the right thing when no one is looking.’ (R. Vaughan. 2010). A code of professional ethics is a vital quality all engineers and professionals should possess. â€Å"A professional code of ethics should demonstrate integrity, practise competently, exercise leadership and promote sustainability.† (Engineers Australia. 2010). 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Effects of smoking 2 Essay Example For Students

Effects of smoking 2 Essay One of the most addictive and destructive, over-the-counter drugs known to modern man. One of the few legal substances available in stores that can injure or kill when used as intended. Most rational people know this as a fact, yet many continue to smoke. Some smokers know, deep in their hearts, they want to quit. Others are quite content to keep on puffing because they enjoy it so much.Why would seemingly intelligent people continue to smoke, knowing full well the dangers and potential implications of doing so? Well folks, I dont want to disillusion anybody, but it is because they are nicotine addicts Cigarette smokers are just as much an addict as someone hooked on crack, cocaine, morphine or heroin. The folks that say they dont want to quit, because of the pleasure they derive from smoking, are not really speaking for themselves. It is their addiction speaking for them. It is that little addicted voice inside their minds rationalizing the addiction, because they know, it might hurt to quit. They know that there will be a sense of loss. They know that smoking is as much a part of their personality as being a happy person, or being a morning person, or liking to go to the movies. Smoking becomes a part of who and what you are, An addict. It amazes me the number of people who smoke cigarettes who would never smoke a marijuana cigarette. They say Oh no, thats drugs or Im not a dope fiend. Sorry pal tobacco is a drug and if youre a smoker, you are also a drug addict. The sooner you accept it, the sooner you will be able to get well again and kick the habit. Smoking, like any addiction, especially addictions that involve chemicals, is a sickness. Fortunately it is a sickness that can be cured. There is help available. Chances are that unless you can lock yourself away for a few weeks, you will need some help to get well again. Help can be something as simple as some education, or it may be a prescription for a nicotine replacement delivery system. The most effective way to stop smoking is a combination of both. You also need some motivation, a reason to live a long healthy life.

London Trafic Essays - English-language Films, Dante Alighieri

London Trafic Dante's The Hermaphroditic Joyce One of the most powerful nuances of any writing is the dialogue within the story. In literature, it is all too often that characters live only in the jaded voice of the author and never truly develop as their own, or are not strongly opinionated in a manner which contrasts the opinions of the writer. It is also unfortunately true that the women depicted in most male-authored literature do not often sound realistic, or how most women one would speak to in the course of the day tend to sound. All too often, women are depicted on a lower level of speech than men. For instance, Dickens and Arthur Miller both apparently subscribed to this notion, as the women in their stories were usually more passive, and not as elaborate as men in their speech, however, James Joyce did not see things in the same light. The most developed female character in Joyces A Portrait of the Artist as a Young Man, is one who speaks with dignity, passion, and the female tact which is all too often ignored in the ch aracters of women. Joyce's Dante Riordan's words and thoughts are true to those of literate twentieth century women. Although a short-lived character in Portrait, Dante Riordan, in a brief amount of time emits an apparently important and mysterious aura, the aura of a woman. Judging from the studies of twentieth century linguists, Joyce's brief representation of Dante through speech is nearly flawless. To more lucidly understand this, one must carefully examine some of the instances at which Dante speaks in her conversation with Mr. and Mrs. Dedalus, Charles, and Mr. Casey, and re-examine the arguments she makes. Dante is introduced into the dinner table conversation as a silent character. However, when the men's conversation turns to the misuse of the preacher's pulpit, Dante begins her interjections. All too often, women in literature remain linguistically dormant unless called upon, however, studies conducted in the reality outside the covers of a book have shown that women will interrupt a conversation to contradict a previous speaker, and do so vehemently (Coates, 193). A nice answer for any man calling himself a catholic to give to his priest, (Joyce, 273) states Dante as her first response. At this point, Dante has drawn herself into the conversation. Never speaking out of turn (as linguists are always quick to point out about women), Dante's next few lines are responses to the rebuttals of Mr. Dedalus and Mr. Casey. In these lines, she defends priests in that it is their duty to teach, warn, and direct their flocks. According to the findings of most linguists, strong beliefs in religion and authority are held by women, and a desire to speak in favor of them is inherent to feminine nature. The bishops and priests of Ireland have spoken, and they must be obeyed (Joyce, 274). Linguist, Jennifer Coates states that woman-speak is revolved around power, and, as Dante illustrates in this quote, that women's conversational style, and topics of interest will usually be subconcious admittances to the idea that women must obey men, and remain socially submissive (Coates, 203). Joyce's realistic portrayal of Dante does not end there, however. In studying the findings of linguists, it becomes clear that during the Renaissance, it was proper for a woman to be silent and a man to be eloquent. However, the increased level of female literacy in the late nineteenth and early to present twentieth century, changed this philosophy, and it is now expected that women be just as, if not more eloquent than men. As Dante continues her conversation, she quotes the Bible in response to the ongoing attacks of the men at the dinner table in the presence of women and a child: Woe be to the man by whom the scandal cometh! It would be better for him that a millstone were tied about his neck and that he should scandalise one of these, my least little ones. (Joyce, 274) Even today, it is rare in literature to find a woman allude to, let alone directly quote literature as a witty response to a verbal assault. Women have an instinctive shrinking from coarse and gross expressions and a preference for refined and (in certain spheres) veiled and indirect expressions (Coates, Jesperson, 126). What better way is there to describe Dante Riordan? Her primary reason for involving herself with the conversation from the start is the vile blasphemy at hand. Of her sixteen turns in the conversation, eight of them are devoted to reprimanding the 'language' that

Free Essays on Transitions

High school is a strange time. After three years of trying to develop identity and friends in middle school, students are expected to mature immediately on the first day of ninth grade, but I never did this. I never fully realized in the earlier grades how important high school success, as measured by GPA, would be to my future life, and as a result I am applying to college with seemingly contradictory measures of my ability to perform college-level work. If I had worked and studied hard rather than hanging out with friends and viewing high school as an opportunity to socialize, I would not have to apply to school with a 1060 SAT and a 2.8 GPA. Had I taken my grades in my earlier years seriously, I could have been a college's dream candidate. This year I have made an earnest effort to improve my work ethic. My grade point average is rising and my study habits are improving. However, after performing poorly for almost three and a half years, my GPA cannot reflect the transformation I underwent at the middle of this year. Dedicated to making something of myself, I finally matured and am now trying to lessen the consequences of my past actions. Armed with my new attitude and my understanding of the extreme importance of earning good grades to signal my capacity to work responsibly, I assure you that I will never revert to the student I once was. In retrospect, I believe that it was my inability to choose my classes that resulted in my lack of enthusiasm on the ride to school each morning. I enjoy the freedom to pursue my own interests and anxiously anticipate the ability to choose my own class schedule in college. While I understand that college will be significantly more challenging than high school, I have always found it easier to study for a class that interests me. I am also willing to accept the fact that as long as I am in school, I will be forced to take required courses that I might be less than enthusiastic about. However... Free Essays on Transitions Free Essays on Transitions High school is a strange time. After three years of trying to develop identity and friends in middle school, students are expected to mature immediately on the first day of ninth grade, but I never did this. I never fully realized in the earlier grades how important high school success, as measured by GPA, would be to my future life, and as a result I am applying to college with seemingly contradictory measures of my ability to perform college-level work. If I had worked and studied hard rather than hanging out with friends and viewing high school as an opportunity to socialize, I would not have to apply to school with a 1060 SAT and a 2.8 GPA. Had I taken my grades in my earlier years seriously, I could have been a college's dream candidate. This year I have made an earnest effort to improve my work ethic. My grade point average is rising and my study habits are improving. However, after performing poorly for almost three and a half years, my GPA cannot reflect the transformation I underwent at the middle of this year. Dedicated to making something of myself, I finally matured and am now trying to lessen the consequences of my past actions. Armed with my new attitude and my understanding of the extreme importance of earning good grades to signal my capacity to work responsibly, I assure you that I will never revert to the student I once was. In retrospect, I believe that it was my inability to choose my classes that resulted in my lack of enthusiasm on the ride to school each morning. I enjoy the freedom to pursue my own interests and anxiously anticipate the ability to choose my own class schedule in college. While I understand that college will be significantly more challenging than high school, I have always found it easier to study for a class that interests me. I am also willing to accept the fact that as long as I am in school, I will be forced to take required courses that I might be less than enthusiastic about. However...

French Verb Conjugations for Agacer (to Annoy)

French Verb Conjugations for Agacer (to Annoy) When you want to say to annoy in French, you will use the verb  agacer. You can also conjugate the verb to say annoyed or annoying, though this is a tricky one to work with. No worries, this lesson will walk you through the many conjugations of agacer. Conjugating the French Verb  Agacer In order to change  agacer  to take on the meaning of someone who annoyed or is annoying,  a verb conjugation is necessary. The French endings are more complex than the English -ed and -ing and  agacer  is a bit of a challenge. Agacer  is a  spelling change verb, which is common with the ending -cer. You will notice that some of the conjugations use a c while others use the cedilla à §.  This is done to ensure that the pronunciation of a soft C is used as the vowel that follows it changes. Using the chart, you can learn which form of  agacer  is required to match the subject pronoun and tense of your sentence. For example, I annoy is jagace while we will annoy is nous agacerons. Subject Present Future Imperfect j agace agacerai agaais tu agaces agaceras agaais il agace agacera agaait nous agaons agacerons agacions vous agacez agacerez agaciez ils agacent agaceront agaaient The Present Participle of  Agacer The  present participle  for agacer  is agaà §ant. Notice again how the cedilla appeared before the A to keep the C soft.  Agaà §ent  can be used as a verb and it also works as an adjective, gerund, or noun if needed. The Passà © Composà © and Past Participle Rather than using the imperfect, you can express the past tense with  passà © composà ©. For this, you will need to conjugate the  auxiliary verb  avoir, but you can use a single  past participle  form of agacà ©Ã‚  for all subject pronouns. For instance, to say I annoyed, you can use jai agacà ©. Likewise, you have annoyed is tu as agace. The  ai  and  as  are conjugations of  avoir. More  Agacer  Conjugations There are a few more conjugations of  agacer  that you might want to remember, though theyre not as important.   You will find the subjunctive useful when the action is subjective. The conditional is for those times when the annoyance may or may not happen. Unless youre doing any formal French writing, you may not use the passà © simple or imperfect subjunctive. Subject Subjunctive Conditional Pass Simple Imperfect Subjunctive j agace agacerais agaai agaasse tu agaces agacerais agaas agaasses il agace agacerait agaa agat nous agacions agacerions agames agaassions vous agaciez agaceriez agates agaassiez ils agacent agaceraient agacrent agaassent There may also be times when you want to use the imperative. This is particularly true for  agacer  because its a short, rather direct command or request. When using the imperative, you can forget about the subject pronoun and skip right to the verb. Rather than tu agace, you can use agace. Imperative (tu) agace (nous) agaons (vous) agacez

Human Geography - Abstract Essay Example | Topics and Well Written Essays - 750 words

Human Geography - Abstract - Essay Example This is what shapes the social behavior for this ferocious animal in the Serengeti. Quammen further notes that for a lion to be found in a wrong social group could in itself mean death as is seen in the case of Hildur which was fleeing from a coalition of four lions known as ‘Killers’ (â€Å"Short Happy Life 7). Death is also illustrated when C-Boy is attacked and sound by the other three male lions-Killers. However, in most cases, the fights between lions are mainly due to the reason of wanting to gain controlling rights over a pride, which in this case belonged to C-Boy. Death for the cubs may result when their father is killed by the ‘Killers’ and their mother lion captured. They are then left for starvation, killed by the ‘Killers’ or left for the hyenas. However, mostly death for lions is as a result of jealousy against one another i.e. the lion is the enemy number one for its kind-lions. In this article, the theme clearly emerges that the reason why lions stay in prides is mainly to protect their offspring from attacks by other coalitions as well as to guard the premium territories they inhabit. In general, the article describes a life which affirms that the Serengeti is not a place for the impaired, the unlucky or the elderly. Quammen, David. "The Short Happy Life of a Serengeti Lion." National Geographic (2013). http://ngm.nationalgeographic.com/2013/08/serengeti-lions/quammen-text 2. Living with Lions Human relations with animals are one which is defined by various factors most of which are controversial. Controversial in the sense that choice is made between the domesticated animals and the wild ones. However, for communities who are living next to neighborhoods inhabited by wild animals, daily confrontations with the same is a general phenomenon. Since wild animals such as lions are predators of human beings, there is always a constant struggle for survival in the habitat. In this article, Living with Lions, Qu ammen documents on the relational existence between man and the ‘King of the Jungle’ (â€Å"Living with Lions 10†). First, the article describes the lions are complicated, fearsome animals, which have continually complicated the lives of human beings living among them. This is because the lions are incompatible with the pastoral and farming life of men around them. Therefore, continually man is forced to hunt and kill the lions as a safety precautionary measure. On the other hand, lions as predators are know to cause havoc by attacking and maiming the human beings. This scenario has seen the trend of lions dwindling downwards while that of men who seek for survival trends upwards. Second, the author has also documented on the past trend line of lions as having been that of staying with men since time immemorial. For instance, the Chauvet cave in southern France has Paleolithic painting that vividly show the co-existence between lions and men in Europe nearly 30 m illennia ago. However, this has changed and for a number of reasons such as loss of habitat, and poaching, fragmentation of the habitat, displacement by livestock, ritual killings among particular communities such as the Maasai in Kenya and the unsustainable hunting of lions by affluent Americans (â€Å"Living with Lio

Chapter 11 Review Questions Essay Example | Topics and Well Written Essays - 500 words - 1

Chapter 11 Review Questions - Essay Example An organization needs to understand both internal and external environment. Thereafter, find the best strategy that suits the specific environment, implement the strategy and afterwards evaluate the outcome, as Henry Mintzberg, (1988) explains. Strategic vision of an association according to Bain and Company provides a an optimal state desires of a company over time. It provides the guidelines on what the company is planning to achieve in five to ten years. On the other hand, the mission statement provides the current focus and reason for existence of a company,. Strategic management process provides a platform for managing organizational change. Each day, through research and development, companies makes new changes in performance, staffing etc. and its therefore relevant to have the strategic management process which will help in understanding the workforce, evaluation the right strategies to put across and how to implement. This monitoring therefore helps to adapt to various changes that come across. Leaders plays important role in any organizational change implementation. To have a successful change implementation, leadership ensure that every needed tool for the implementation is availed at the right time, Philips et al.(1983).. Leadership plays an oversight role in ensuring every department tasked performs their tasks accordingly. According to Kotter’s eight stage model of planned change, the company has to create urgency of what it needs to perform. Through formation of a coalition, the company needs to convince people on the need for change. Having a bigger vision over the planned change is important for the change to be effected since people will know the need for doing something. After identifying the change, the company has to communicate the vision and remove any obstacle that may prevent change implementation. Furthermore, the company needs to have a build-up of the change while short

Structural approaches to systems of signification are rooted in linguistic theory Essay Example for Free

Structural approaches to systems of signification are rooted in linguistic theory Essay A general analysis of language assists in the deconstruction of meaning as it inscribes in different types of narratives (whether verbal or non-verbal). This analysis can be divided into 4 processes. The first process is the identification of sign systems used in particular social situations. The second process is the determination of body movements, sounds, or letters that individuals use to express the sign system. For example, when an individual refer to the term ‘funeral’, then all individuals in a particular social group must know the proper reference to a funeral. The fourth process is called social convention. Every individual in a community or group must agree on a common set of meanings for the sign system. The fifth process is the rate by which signs changes meaning. This phenomenon is common in Western societies where words and symbols often change as a response to social, economic, and political changes. One of the leading figures of semiotics is Roland Barthes who applied the structuralist linguist theory of Saussure to the study of mythology. His research paved the way for the development of a ‘contemporary mythology. ’ The findings were as follows: 1) The elements involved in narratives are often objects which assume meaning that transcends beyond their aesthetic and normative value. The development of this set of meanings is often expressed in the so-called ‘second level language’; 2) Barthes also identified the so-called ‘second order semiological system’, a sign system which enables people to communicate with each other; 3) An object assumes meaning when society attaches a particular value to a place, object, and entities. However, the significance of an object, idea or place may also be ambiguous and may assume a set of meanings that may be hard to deconstruct. The ability to deconstruct meaning depends on a number of factors: 1) the complexity of the social situation, 2) the relationships of the actors involved, 3) the complexity of the general sign system used, 4) the range of possibilities, and 5) the biases of the researcher. Deconstructing meaning is a process by which an individual attempts to relate one set of meaning to another in a particular situation; that is, the repercussions of motives and intentions are always embedded in behavioral orientation. 2) Language is a system of distinct signs which correspond to distinct ideas (Saussure 1966:16). Please explain the nature of sign according to Saussure’s theory of language. With the publication of the Course of General Linguistics, Ferdinand de Saussure established a formal theory of language. Some of the assumptions of his theory were as follows: 1) There is a distinction between language and parole (speech). According to Saussure, language is the system of symbols in which individuals communicate. Parole refers to actual utterances. Since individuals communicate in an infinite number of utterances, it is the symbolic system which is deemed more important. In providing distinction between uttering and language, one is also separating: a) what is social from what is individualistic, and b) what is essential from what is supplemental. Saussure likened this proposition to a chess game. The chess game has rules which define the overall essence of the game. Utterances are the actual moves of the players. The rules reflect the language used in the game; 2) Languages do not produce different versions of reality; they in fact produce different realities. According to Saussure, the differences in language reflect the general differences not only in the interpretation of what is real but also the notion of what ought to be real. In short, if a language does not have a word for ‘natural’ then individuals who use such language will in effect submerged in a world which is unnatural. Here, the term ‘natural’ is both ambiguous and vague because individuals have no common assumptions of what is ‘natural’; 3) Language is the means by which social meanings is communicated through the use of signs. A sign or a word defines the relationship between the assumed image of a set of sounds or signifiers and the actual image in an individual or group’s consciousness. A sign is a mediator between the assumed and the actual, between the real and the immaterial. According to Saussure, signs define the conceptual outlook of particular objects, entities, and even other ideas (Wittgenstein called this as referent idea). For example, the word ‘family’ describes both the ideal notion of a ‘family’ and the actual image of a family (reality). In short, a sign define the ideal and realistic boundary of specific ideas, objects, and entities. The bond, however, between the signifier and the signified is both arbitrary and necessary. The principle of arbitrariness is predominant when all ideas about the boundary of language are assumed to be in unity. Here, language is assumed to be a matter of social convention; that is, a general creation of collective consciousness. Hence, the set of signifiers (signs) becomes a means to describe and define the image of an object, idea, or entity. Signs become, as what philosophers of language called, an ‘arbitrary assumption of events’ – events which are either singular or plural in orientation. Signs therefore are subject to social change – as actors periodically change the meaning and application of signs in a sign system. In some cases, the change is radical that the original symbolic meanings are radically altered. Here, the signs remained intact, but the associated meaning greatly changed. This radical change is though not separated from changes that occur in a larger social environment, for it is the social environment which is the initial source of change. Saussure defined language as both a ‘social phenomenon’ and a ‘psychological phenomenon. ’ It is a social phenomenon because the significance of signs is dependent on social context or milieu. Social context here refers to a state of perpetual change in language over time. In fact, Saussure argued that all languages are equal in complexity. This assumption may be ambitious, but it has not without basis. Languages change because the social contexts to which they are located also change. A good example of language change is the creation of new words in many of the leading world’s languages. This process of language ramification is perhaps due to the rapidly increasing communication among individuals, groups, and institutions. However, much of the newly created words are ambiguous and vague in form. Many individuals either attach multiple meanings to a word or simply fail to attach a clear cut meaning to such word. 3) Debord states: ` an earlier stage in the economy’s domination of social life entailed an obvious downgrading of being into having that left its stamp on all human behaviour. The present stage, which social life is completely taken over by the accumulated products of the economy, entails a generalised shift from having to appearing: all effective `having` must now derive both its immediate prestige and its ultimate raison dentre from appearances` (Debord 1994:16). Explain in your own words Debord’s analysis of the society of the spectacle. Much of Debord’s ideas of the society of the spectacle were derived from Marxian theory. According to Marxian theory: 1) Society is divided into two structures: the superstructure and the substructure. The superstructure is the set of institutions functioning in the society. The substructure is the economic system utilized by the society. There is a dialectic relationship between these two structures. Initially, the substructure influences the creation of the superstructure. The economic system determines the type of institutions that will be developed in the society. The superstructure then either reinforces or alters the substructure, depending on the needs of the society; 2) The behavior of human wants is always conspicuous. Every individual desires not only the basic needs of life but also the ideal notion of fruitful living. Here, Marxian theory suggests that human want is both arbitrary and unlimited. Individuals will strive to attain what is socially acceptable and what is necessary. Consumption is a means to ‘show’ that these ends are met (echoes Veblen’s idea on conspicuous consumption). Individuals therefore, disregarding the efficacy of moderation, engages in subtle confrontation with the sources of frustration. The end: the individual becomes more and more attuned to the affairs of the market, and subject to the whims of the ruling class – whom unconsciously is fueling individual frustration to obtain higher market value for their products. Debord expounded on the development of a modern society in which genuine social life has been displaced with its representation – that is, its image. Debord argues that the history and essence of social life can be understood as the ‘decline of being into having, and having into merely appearing. ’ Debord notes that this condition of human life is the event in which commodity completely colonized the virtue of social life – an unconscious process of colonization of the ideal notion of life. The term ‘spectacle’ connotes a social system characterized by the affluence of advance capitalism, the mass media, and capitalist led governments. The spectacle is the general opposite image of society in which the relationship between commodities have, in general, displaced the relationships between people. The worship of the commodity becomes not just a rule but the aspiration of social life. In the society of the spectacle, the quality of life is poor, human perceptions greatly altered by both the market and mass media, and a general degradation of genuine knowledge. Knowledge becomes a tool for distorting reality – obstructing the true essence of the past, and promising a bright future of mass consumption and happiness. Here, individuals becomes attune to the calls of the promise and prevent themselves from realizing that such ‘spectacle’ is only illusory – that the society of spectacle is only a moment in history which can be overturned by collective action. The responsibility therefore of the ‘drugged’ individual is to free himself from the chains of spectacular images through radical action. This radical action will restore the beauty and essence of social life – life defined not by the relations between commodities but by the relations between individuals. 4) Basing yourself on first Levi-Strauss and then Barthess analyses, describe how myths function as types of narratives that carry a message. Levi-Strauss applied the structural linguistics of Saussure to the analysis of family. Traditionally, the family is seen as the fundamental object of analysis and as a self-contained unit consisting typically of a husband, wife, and children (offspring). Levi-Strauss argued that families only acquire determinate identities through relations among units. Levi-Strauss fundamentally altered the classical view of anthropology, putting the secondary family members first and analyzing the relationships among units instead of the units themselves. Levi-Strauss’ application of structural linguistics is also evident in his work Mythologiques, a series of work on myths and legends. According to Levi-Strauss, myths are a type of speech in which a symbolic system could be discovered. This theory attempted to explain the similarities of myths across cultures. Levi-Strauss argued that there is no such thing as ‘singular authentic version of a myth’ rather a general manifestation of the same language. In order to understand this language, the fundamental units of myth, the mytheme, must be examined. To find the mythemes, Levi-Strauss deconstructed each version of a myth into a set of sentences, consisting generally of a relation between a function and a subject. Sentences with the same function and subject were given the same number. Both Levi-Strauss and Barthess analysis of myths revealed striking results. First, the coagulation of myths is a message of a common language. Second, the myth itself not only expressed social, economic, and political values, but also the means in which people throughout the ages communicate. Third, binary opposition is a common characteristic of language – that is, people communicate through binary opposites. And lastly, myths function as a kind of lingual illusion which drives individual to act on the basis of the myth itself (the myth is a self-sufficient source of action). Here, the degree of which an individual communicates the myth to another individual is related to the preponderance of a myth. Hence, the survival of a myth depends on the way and degree to which it is communicated.

Womens Role During World War II :: essays papers

Womens Role during WWll World War II was the largest and most violent armed conflict in the history of mankind. It has affected millions of people around the world both, directly and indirectly. Even though half of a century separates us from the unforgettable event, it left horrible memories especially in those who saw, felt and experienced World War II which was waged on land, on sea, and in the air all over the earth for approximately six years. Whether it’s a battle, hospital, or holocaust, there are so many stories from the survivors, who can teach us not only about the profession of arms, but also about military preparations, global strategies and combined operations in the coalition war against fascism. My interviewee went through a lot during World War II and sharing her amazing story left me evaluating her words for a long time, rethinking and still not willing to imagine the pain. She was one of the 150,000 American woman served in the Women’s Army Corps during the war years. They were one of the first ones to serve in the ranks of the United States Army. She recalls being teased a lot about being a young woman in a uniform but was very proud of it. Women finally were given the opportunity to make a major contribution to the national affair, especially a world war. It started with a meeting in1941 of Congresswoman Edith Nourse Rogers and General George Marshall, who was the Army’s Chief of Staff. Rogers asked General to introduce a bill to establish an Army women’s corps, where my interviewee, Elizabeth Plancher, was really hoping to get the benefits after the World War II along with other women. ( Since after World War I women came back from war and were not entitled to protection or any medical benefits. ) Mrs. Plancher was a strong-willed woman, dedicated to her goals. She was waiting for this day to happen and it did finally making many women happy. The bill was introduced in May, 1941. At first it failed to receive consideration but General helped to get the bill through the congress. After all the paper work, â€Å"auditions† were passed. Applicants had to be between 20-40. Elizabeth was 22 at that time. She was 5'4, about 120 lbs which suited the position. Only 1,000 women were accepted into the special Women's Army Auxiliary Corps ( WAAC).

American History-Civil Rights

During the years 1939 to 1953 the United States armed forces changed a policy of restricting and segregating the Negro into one that had equal opportunity and integration. This revolution took a great deal of time and struggle. Throughout American history the blacks in America considered their military service in the nation's conflicts as proof of their loyalty and as a brief for their claim to full citizenship. At the same time white Americans appear to have realized this, and they always sought to restrict or reduce the black soldier's military service.The national armed forces always were the most integrated major segment of American life. Therefore, the desegregation of the United States Armed Forces has become truly a social revolution in American history. The extent of the desegregation of the United States Armed Forces was discussed several years ago and remains actual among historians to this day. The purpose of this study is to describe and evaluate the debate among historia ns concerning the desegregation of the United States Armed Forces and the Negro's reaction to this policy. In reaching this goal, the paper will also shed some light on American race relations during these years.With the World War II crisis of 1939-1945, the questions of restriction, discrimination, and segregation in the United States armed forces became one of two major problems for black Americans. Employment discrimination was also important, and this subject has been examined by historians. Although employment discrimination was the chief everyday issue for Negroes in World War II, discrimination and segregation in the United States armed forces was the more emotionally charged issue. Most historians claim that a black â€Å"revolution† or â€Å"revolt† occurred in 1954, 1955, 1960, or 1963.Silberman (1964) writes that segregation was necessary to stop bloody racial conflict and a reduction of the armed services' potency. Silberman is one of the spiciest critics o f American race relations. In his book Crisis in Black and White, he reminded Americans that the United States â€Å"is a racist society in a sense and to a degree that we have refused so far to admit, much less face† (9-10). In 1950, members of the Court obtained evidence from the President's Committee on Equality of Treatment and Opportunity in the Armed Services prior to some important decisions that pointed toward a reversal of the separate but equal position.In 1954, before the important decision on desegregation, members of the Court read in manuscript form journalist Lee Nichols' Breakthrough on the Color Front (1954), the first book-length account of military integration. Usually North Carolinians – at least most white North Carolinians – tend to look back at the years 1939 to 1953 and their adjustment to changing times with pride. But historians reporting progress in the South seldom give North Carolina high marks.Writer Roland (1984) in his book on the South since World War II writes with considerable disappointment because the southern state with the best race relations prior to the Brown decision failed to lead the region in the integration of blacks into society after 1954. In his study of southern governors and desegregation, Horton (1960) expresses a similar disappointment. The writer observes that North Carolina escaped much of the demagoguery characteristic of several neighboring states because Tar Heel governors tried to keep the peace and found local solutions to racial problems.On a contradictory note, however, Silberman (1964) calls the Patriots of North Carolina as a â€Å"sedate version† of the Citizens Council and attributes to the Patriots and their successors, the North Carolina Defenders of States' Rights, the names of some of the â€Å"most respected men of North Carolina† (14). From the beginning of a military tradition in America, black manpower has been used for military aims. Most of historians (Benjamin Quarles, The Negro in the American Revolution; Dudley Taylor Cornish , The Sable Arm: Negro Troops in the Union Army, 1861-1865; Robert J.Dwyer, † The Negro in the United States Army: His Changing Role and Status,† Sociology and Social Research; L. D. Reddick, † The Negro Policy of the United States Army, 1775-1945,† Journal of Negro History) who have investigated the problem have noticed a desire on the part of white Americans to limit the participation of the blacks in military affairs until an emergency or crisis develops. Then black manpower was utilized as a military necessity. Quarles notices that this pattern was established in the colonial militia.Each colony followed this policy that excluded Negroes as soldiers. Dwyer writes when emergencies such as Indian threats emerged and there was urgent need for manpower, however, most colonies saw fit to overlook these exclusion laws and volunteered Negroes (19). When the Continental Army was creat ed at the beginning of the American Revolution, the black soldiers were excluded. Once more, when white volunteers became harder to find, this policy was changed, and about five thousand Negroes served with the American revolutionary arms.In The New York Times, Hinton observes that there occurred important changes by the end of World War II that made it more difficult to maintain the racial status quo in America. The ballots of American Negroes had become a powerful political force. The belligerent spirit that matured during the war made Negroes shure to fight segregation wherever it stood in the way of full citizenship. The United States became the leader of the non-Communist world. The race problem was a weakness in its Cold War attempts to influence the emerging nations.A new President took office in the centre of the changing situation. He realized that the status quo in American society relations had to give way to a new race order. Unlike his forerunner, this President would h ave found it difficult to take a passive stand on Negro rights even if he had wanted to do so. The race problems in civilian life reached a new peak with the end of war. This was especially true in the South where there was fear that the status quo in race relations would be further upset by the many returning Negro veterans.In Freedom and Equality: Addresses by Harry S Truman Horton (1960) writes about racial violence and revival of riots in this period. Many people believed that a wave of race riots would begin with a new force in the country as they had after World War I. Among those people who remembered the riots after World War I and who was afraid that they would be repeated was President Harry Truman. Two particularly violent attacks induced President Truman to some significant action in order to protect civil rights. Horton (1960) gives examples of cruelty.For instance, in February, 1946, Isaac Woodard, a newly discharged veteran still in uniform, was blinded when South Car olina policemen pulled him off a bus and jabbed their night sticks into his eyes. In July, 1946, two Negro veterans and their wives were taken from a car near Monroe, Georgia, by a mob of white men. The four Negroes were lined up and killed by approximately sixty shots pumped into their bodies (12). To stop this kind of violence President Truman created the President's Committee on Civil Rights on December 6, 1946.The purpose was to examine the nebulous authority of the Federal Government in the civil rights area and to recommend appropriate legislation. Horton (1960) considers the beliefs on civil rights of this man from Missouri with a Southern heritage. He quotes Truman, â€Å"I was raised amidst some violently prejudiced Southerners myself†. Perhaps Truman reflected his own transformation on this matter when he stated his belief that â€Å"the vast majority of good southerners understand that the blind prejudices of past generations cannot continue in a free republic.â⠂¬  Horton says that it is clear that Truman had support from Negro voters as early as 1926. He inherited black support from the Pendergast machine of Kansas City, and he managed to maintain this support throughout his career as a senator (34). At President Truman's first news conference a Negro one reporter asked him a question – what stand he would take on civil rights matters. Truman replied: â€Å"I will give you some advice. All you need to do is to read the Senate record of one Harry S Truman† (Public Papers of the Presidents).As a candidate for the Vice-Presidency in 1944 Truman had also directed interested persons to his Senate record. Surely he was proud of his position on civil rights. â€Å"Without exception,† one student of Truman's Senate record has concluded, :Senator Truman acted to provide greater protection for minorities and to afford equal treatment under the law† (Horton 14). Truman continually supported antilynching bills. He also sig ned petitions for cloture and voted for the amendments to the Selective Service Act of 1940 intended to stop discrimination.

Artificial Birth Control

Definition of Artificial Birth Control Artificial birth control can be defined as any product, procedure or practice that uses artificial or unnatural means to prevent pregnancy. Barrier methods such as condoms and diaphragms, hormonal methods such as the pill and IUDs, and surgical sterilization procedures such as a vasectomy or hysterectomy are all considered to be artificial birth control methods. Artificial birth control is also refers to the use of any medication, barrier or device to prevent pregnancy.Many people use it instead of or in addition to natural family planning, which relies on tracking menstrual cycles, body temperature and consistency of mucus discharge to determine when a woman could conceive. The term â€Å"artificial birth control† is most frequently heard in relation to religious teachings on family planning. Many religious groups encourage the use of natural family planning as opposed to artificial birth control, believing that using artificial contrace ption is contrary to God's will. Certainly, though, there are also non-religious people who choose not to use artificial birth control for personal, ethical or medical reasons.Barrier Method The barrier method is one type of artificial birth control and as the name implies, barrier contraceptives use some sort of barrier to prevent sperm from reaching an egg. Available barrier contraceptives are male condoms, female condoms, diaphragms, cervical caps and contraceptive sponges. Spermicide acts as a chemical barrier and therefore also falls into this category. It is also to prevent pregnancy by killing ejaculated sperm. Spermicide is often used in conjunction with barrier birth control. Hormonal Method Any type of hormonal contraceptive is considered to be artificial birth control.Although the birth control pill is probably the most common hormonal contraceptive, it's far from being the only one. Other available hormonal contraceptives are the birth control patch, the vaginal ring, De po-Provera injections, Lunelle injections and the intrauterine device (IUD). Intra-uterine devices (IUDs) are small devices inserted in a woman's uterus. They prevent the fertilization and/or implantation of the egg by changing the mucus around the cervix and the uterine lining. They last for several years. Surgical Sterilization The final type of artificial birth control is surgical sterilization.For men, the sterilization procedure is called a vasectomy. For women, both tubal ligations (also known as having one's tubes tied) and hysterectomies cause sterilization. It's important to understand, though, that a hysterectomy is typically performed for medical reasons, including cancer or endometriosis. For this reason, a hysterectomy is not usually considered artificial birth control. Alternative Methods If you have decided that artificial birth control methods are not right for you but you aren't yet ready to have a child, you may want to consider natural family planning.Natural fami ly planning involves tracking your temperature or cervical mucus changes to determine your fertile days. On those days, you abstain from sex to avoid pregnancy. The rhythm method finding your ovulation date based on your menstrual cycle and withdrawals are also considered by some to be natural family planning methods. History Artificial birth control methods have been used for thousands of years. The ancient Egyptians created vaginal suppositories thought to prevent pregnancy, and many cultures used condoms made of linen or animal intestines.

The Youth Control Complex and Social Ambush Essays

The Youth Control Complex and Social Ambush Essays The Youth Control Complex and Social Ambush Paper The Youth Control Complex and Social Ambush Paper The Youth Control Complex and complex network of crystallization, surveillance, and punishment label and treat youth as serious criminal offenders. Garcia discusses how The Social Ambush portray African Americans and Latino are filling the jails as fast as they can be built, making this view that young African Americans and Latino are likely to to end up in the criminal justice system. This stereotypical images of reclaimed youth is prolonged and promoted through various forms of media, which can create this Idea that people of this ethnic race are going to end up in the justice system. African Americans and Latino face a lot of crystallization because of the social inequalities in America. This can stem from unequal opportunity to find jobs, government resources and equal justice because of their skin color and this idea that they are violate individuals. So when poor black and brown youth make bad choices in life, they are more likely to face criticism more harshly than other ethnicity like White or Asians. Iris and Garcia both discusses, with perceived perception of poor black and brown youth, they become targets of searchers, law enforcement and the justice system. With the help of media, it help shapes a certain image of who African American and brown youth are. This stigma affect the youth today who fill our jails because second chances are less likely to be given to these two important race due to the fact that they are high risk and the state want to control their future from this point on.

Fallacies Straw Man Arguments

Fallacies Straw Man Arguments Fallacies: Straw Man Arguments Sadly, straw man arguments do not involve literal scarecrows. Rather, they are a type of fallacy: i.e., an argument that sounds convincing but contains hidden mistakes. But what exactly does a straw man argument involve? And how can you avoid them in your written work? What Is a Straw Man Argument? Could you beat this guy in an argument? Building a â€Å"straw man† implies constructing an idea that is easy to argue against rather than engaging with the real issue. This typically involves distorting your opponent’s ideas or beliefs to make it easier to refute them (even if you’re not â€Å"refuting† their actual arguments). For example, imagine an argument between Cheryl and Bob: Cheryl: Parents have a responsibility to expose their kids to learning at home as well as at school. Bob: Pedagogical theories that claim children don’t benefit from school are no use to anyone. Bob’s argument here is a â€Å"straw man† because he has misinterpreted what Cheryl was saying. And instead of responding to her suggestion that education can occur outside the classroom, he is arguing against something she never said: that children don’t benefit from school. Most straw man arguments are subtler than this. But they all involve misrepresenting someone to make it easier to win an argument. How to Avoid Straw Man Arguments It is possible to make a straw man argument without realizing it. This can happen, for example, if we don’t fully understand something that we are arguing about in a college paper. As such, to avoid this fallacy in your work, you should always: Read your source closely. And when you’ve read it once, re-read it so you have a full understanding of what the author is saying. Keep close track of your sources and cite them clearly. This will ensure you’re always engaging closely with the person you’re arguing against. Be charitable when interpreting your opponent’s arguments. Are you sure they mean what you think they mean? What else could they be saying? Look for sources that defend the position you’re arguing against. If they make good points, acknowledge and engage with these ideas in your work. Remember you’re trying to find the truth. If you need to distort someone’s ideas to beat them in an argument, you’re missing the point! With the above in mind, you should be able to avoid making straw man arguments. And if you’d like help expressing yourself clearly, don’t forget to get your work proofread.

What is the state of scholarship concerning on Rehabilitation of the Research Paper

What is the state of scholarship concerning on Rehabilitation of the arm after stroke On what issues does they debate - Research Paper Example Besides, analysts argue that the state of scholarship on the rehabilitation of arm after stroke incorporates the recruitment of students with efficient knowledge in clinical technology and has done specific projects on medicine as a discipline. Psychologists and therapists suggest that stroke is one of the collective causes of disability of the arm among various patients globally. However, there is serious improvement in stroke patients who suffer arm disabilities through rehabilitation techniques. Different research and testing institutions established in various Universities combine Tran’s cranial magnetic stimulation with the incorporation of robotic therapy. The development of this research encourages scholarships initiatives that enable more students to come in the research centers and support the testing of different diseases developed after arm stroke. Additionally, universities lecturers such as Dr. Wittenberg of the University Of Maryland School Of Medicine, argues that scholarship needs to be given to students who can participate in doing different projects. The students need to be interested in the research of arms rehabilitation after stroke. Dr. Wittenbery argues that scholarships given to students in doing research on the rehabilitation of the arm after stroke need to have special interests in neuron rehabilitation, cerebral paisy, and Stroke and movement disorders (Shadmehr, 2005). Besides different psychologists in the university add that research in the above disciplines encourages and increase the number of students in medicine. Moreover, during the research, more discoveries are realized on the causes of arm stroke and necessary rehabilitative steps in curing the disease.Stroke develops and facilitates in hospitals to increase the number of saved lives in arms stroke rehabilitation. Therefore, it is necessary for various stakeholders to take part in promoting scholarships initiatives in different Universities and

The Urban Schools in the United States Essay Example | Topics and Well Written Essays - 4500 words

The Urban Schools in the United States - Essay Example tion in schools apart from the disparity in the enrollment rates of students as well as the availability of teachers belonging to different races and ethnic origins. â€Å"Equity is central to the current reform movement in science education. Although all students are capable of understanding and doing science, persistent and widespread differences continue to exist in students’ access, retention, and achievement, depending on their culture, gender, race, and socioeconomic status† (WCER, 2007). Besides, teachers and students are exposed to a lot of challenges in the urban schools. Background of Urban Schools In the United States, the education sector has been a major priority, with numerous efforts on reform being implemented to improve students’ performance. Urban schools in the United States are located in urban areas, where there are relatively high rates of poverty. Besides, the student population here possesses limited English proficiency and is, therefore r egarded as high need areas (Ruso, 2004). Gaskell (2012) claims that in the early years, wealth was accumulated by a limited number of individuals and, as a result, poverty levels in the urban areas increased significantly. The urban population in the United States increased as well, resulting in many differences, such as racism and inequality. The funding of schools among the wealthy and the poor districts remained fraught with inequality. The urban schools in the United States have, over the years, faced a declining level of test scores and high rates of violence. According to Stark (2011), urban schools in the 1800s have been started with an aim of providing immigrant parents with affordable places for their children to stay during the day as they worked in mills, factories or shops. By 1920, the urban... This essay approves that research on teacher turnover is examined and the situation in urban schools is related to the factors for teacher turnover that have emerged from the research. Finally, the review also presents factors that contribute to teachers’ motivation to stay in urban schools despite the difficult conditions. The researcher hopes that by looking at both the challenges and the motivating factors, this study will be contribute to the understanding of teacher retention in urban schools. There appears to exist a whole range of factors that demotivate teachers in general and science teachers in particular from continuing with the profession of teaching. While teachers receive only low salaries, the job is extremely demanding both in terms of time and physical as well as emotional stress it entails. The most unfortunate aspect of the job of teaching is the fact that a teacher is held wholly responsible and accountable for the behavior and results of students. The prof ession of teaching is too taxing, which prevents a teacher from attaining a balance between his or her personal and work life. This report makes a conclusion that teacher turnover is a particular problem in most of the urban schools. Negative reports about urban settings have discouraged properly qualified teachers from taking up teaching jobs in these schools. The high level of stress and exhaustion experienced in these schools also result in high teacher turnover. Despite the negative factors, however, there are some teachers that remain in the urban schools and they are motivated to provide quality education. The literature also reviews some of the teacher qualities that motivate teachers to teach in urban schools.

Cause and Effect Essay Example | Topics and Well Written Essays - 750 words - 6

Cause and Effect - Essay Example However, there is also an underlying anxiety about entering a new and unfamiliar world full of new challenges; and a hint of doubt about one’s ability to manage so many new challenges. Suddenly being pitched from the comfort of familiarity into a bewildering world inhabited by people from different cultures and communities – a world full of innumerable choices and temptations could be daunting. Another factor to be considered is that parents too are proud of the achievements of their youngster and getting ready to give him/her more freedom albeit with a touch of anxiety. Under these circumstances, living with parents during one’s college years can have many benefits both for the parents as well as the student. A student on the threshold of college life looks forward to an exciting new phase of independence and new and varied experiences. However, transition from high school to college could be tough; considering that one suddenly is looked upon as a responsible adult. However the freedom one has from strict parental control can be very welcome. Yet, freedom brings with it the weight of responsibility too when one has to take the consequences of one’s actions. Juggling finances and striking the right balance between academics and the hectic social and co-curricular activities, and yet making time to focus on studies in order to get good grades, cannot be easy. The sudden exposure to new people, who may be from varied cultures and backgrounds, new ways of learning when one cannot depend on notes given by teachers, and a different social and cultural life, can be overwhelming. Choosing new friends with common interests and adding others who can aid in your personal development are exciting and fun but can drain one physically and emotionally. Hence having the familiarity of family to comeback to everyday can be a huge relief. One can get gradually acclimatized to new responsibilities and a new social and academic culture while still

Mix Design Procedure And Principles Engineering Essay

Mix Design Procedure And Principles Engineering Essay 1. Introduction In the following coursework we are going to take look at the steps that must be taken into account for performing a concrete mix design. When we talk about mix design, we are going to deal with two categories of property requirements: one category specific for fresh concrete (fresh properties of concrete); and another category specific for hardened concrete (Neville 1995). The aim of this coursework is also to analyze the properties of the freshly formed concrete due to the design performed, and not of the hardened concrete. As outlined in Lecture 2, the two types of property categories are not independent from one another, more likely they are directly linked, and failure in compliance with fresh properties will lead to poor concrete quality in hardened state. Basically, concrete mix design is performed by a careful selection of quantities for concrete ingredients with the aim at producing cost effective concrete having a minimum set of properties such as: workability, compressive strength and durability (Neville 1995). For the purpose of this coursework, we are going to design concretes which will contain mixes of classic ingredients like ordinary Portland cement as a bonding material and, either 100% Gravel or 100% Recycled Aggregates, as a filler material. Also, we are going to design mixes by replacing a part of the Portland cement with cementitious materials such as Silica Fume (10% SF) or Fly Ash (30% FA) and the reason of using these fine materials is that they will limit the amount of energy consumed in the mixing process, which ordinary Portland cement is not capable of doing. Having 4 types of concrete mixes, we are going to deal with different properties between these mixes, each set of concrete properties being governed by the properties of the materials used. For example, recycled aggregate presents an increase in porosity compared with gravel, so it is no surprise that concretes with recycled aggregates will demand more water content than ordinary, natural aggregates. Eventually the workability will be affected by the higher water demand (Dhir et al. 1998). Also, as comparison between the effects on concrete determined by SF or FA we must state that concretes with FA will experience a decrease in water demand, reduced bleeding and good cohesiveness, while concrete with SF will bring an increase in water quantity. Because they were 4 different types of mixes to be designed and tested in the lab, 4 groups, each designing their own mix, were created. Our group had the task of performing the mix design for the 10% SF mix and this was done according to BS 1881: Part 125: 1983 Testing concrete Methods for mixing and sampling fresh concrete in the laboratory. Silica fume has certain characteristics that make the handling, when we make the mixing of components, to be a difficult task. This is due to the small particle size and high fineness of the silica fume, so slurry is going to be prepared, by combining silica fume with water, when performing the mixing and also we should make sure that the slurry will be fully dispersed into the mix. By having a high fineness, the SF particles will demand a large surface to be covered with water, bringing an increase in water demand as stated above. Mixes having silica fume as ingredient will give us high performance concretes., and the presence of SF in the mix design process will not only affect the quantities of the mix proportions to be used as ingredients of concrete, but also will lead to an improvement in the fresh properties of the concrete like: high cohesiveness, little to none bleeding, suitable for pumping (Neville et al. 1995). In the lab, after we performed the mix, we made some tests in order to have quality control over the product: Slump Test, according to BS EN 12350-2:2000 Testing fresh concrete Part 2: Slump test, to determine the workability of the concrete and the Plastic Density Test, according to BS 12350-6, 2000 Testing concrete Method for determination of density of compacted fresh concrete, to determine the actual plastic density of the concrete. 2. Mix Design Procedure and worksheets. 2.1. Procedure principles. It should be stated that this method is not an exact method of quantity assessment mainly, because of the variability of the parameters affecting the constituents of this procedure. Trial mixes are made with the purpose of guessing which combinations of ingredients will be suitable for the desired concrete properties and we can modify these mixes to correspond to our requirements (Neville 1995). 2.2. Description for performing concrete mix design. Mix design follows several steps according to BRE Report 331, in which the flow chart of steps takes into consideration all parameters of the mix constituents and also shows us how they are linked together. The results of the computation are going to be written on a Concrete Mix Design Form. For performing this procedure a number of initial specifications must be given, specifications which include: Cement type 52.5 N; Aggregate type Gravel; Maximum aggregate size 20 mm; Fine aggregate grading 44%; Aggregate relative densities 2600 kg/m3; 10% Silica Fume 0.45, 0.6 and 0.75 w/c, 180l/m ³ water content, Slump of 30-60 mm (achieving S3 with SP) The stages which govern this procedure, as specified in BRE Report 331 are: Stage 1 water/cement ratio Stage 2 water content Stage 3 cement content Stage 4 total aggregate content Stage 5 fine aggregate proportion Stage 6 trial mixing Having the 3 free-water cement ratios, the slump and the maximum size of the aggregates given, we can skip the first stage and the amount of water needed can easily be determined. As we can see, 3 mixes will be prepared for which we can determine the amount of bonding material needed if the quantity of water is known. In this total amount of bonding material, 10% is Silica Fume, while 90% is ordinary Portland cement. In stage 4 we shall determine the total quantity of aggregate present in the mix. Because we have the grading of the fine aggregate, we can determine the quantity of the coarse aggregates by subtracting from the total quantity of aggregate the fine aggregate quantity. From the total quantity of coarse aggregate we know that 1/3 is for 10 mm Gravel and 2/3 for 20 mm Gravel. After we have determined all the mix proportions, we have to make specimens from the resulted concrete mix, specimens which will be subjected to different tests and conditions in order to determine the suitability of hardened concrete. These concrete specimens result from trial mixes for which batch weights are computed for a batch size of 0.02 m3. One aspect hasnt been discussed so far: the use of admixtures in the concrete mix design. Admixtures are regarded as secondary ingredients of concrete, and not in the same class of importance like water or cement. There are different types of admixtures, depending on their effect on concrete, and, also their use is regarded from an economical and an increase in concrete quality point of view. For the purpose of our assignment, the admixture type which we are going to use is Superplasticizer (Glenium 51) and the British standard that regulates and controls their use is BS 5075: Part 3: 1985. Superplasticizers are water reducing admixtures, and their effect on concrete is related to an improvement in fresh properties, mainly an increase in workability. 4. Batch quantities allowing for absorption. 4.1. Porosity, Absorption and their link. Porosity and absorption are aspects concerning the aggregates, so the following discussion will take into account the way in which the presence of pores will affect the concrete. There are 2 types of pores: internal and external pores, which vary in size- the external pores, can even be seen sometimes with the naked eye. Because of its viscosity, cement paste cannot fully cover the pores of the aggregates, but water is able to do that, which eventually will lead in an increase of water demand (Neville 1995). It might seem that because its only related to aggregate, porosity and absorption will not affect concrete, but lets not forget that the weight of aggregates represents approximately 75% of the weight of concrete. Also, by doing the mixing of concrete in the lab, the moisture content of the aggregates decreases, so an adjustment for absorption of aggregates must be done: we fully dry the aggregates in an oven, after which we put the aggregates in water, for 24 hours. An increase in weight occurs, meaning that all the pores are fully saturated (Neville 1995). The absorption is expressed as a ratio between the moisture content increase observed in the dried aggregates to the mass of the dried aggregates. The following absorption values for aggregates are used for our designed concretes: Gravel 5/20 1.0% Sand 0/5 0.5% RA 5/10 3% RA 10/20 4% 4.2. Adjustments for absorption. The adjustments for absorption, determined in accordance with BS 812: Part 2, are performed on the aggregate types which are going to be used in the mixture. The aggregates which we are going to use for the 10% SF mix concrete are: sand 0/5 and gravel 5/20. The method allows computing the additional quantity of water required for absorption by the following formula: Material batch weight (kg) x absorption value (%) = additional water required Having found the additional water quantity, the adjustment for absorption of aggregates can be performed by: Aggregate batch weight (kg) absorbed water (kg) = adjusted aggregate batch weight 5. Mixing procedure and tests carried out in Lab 1. 5.1. Mixing procedure. Relevant Standards: BS 1881: Part 125: 1983 Testing concrete methods for mixing and sampling fresh concrete in the laboratory. The mixing procedure is the combining of all concrete ingredients, with the purpose so that the aggregates surface is covered by cement paste, and it follows 2 steps: a) Sample preparation; b) mixing. At the previous topic, the adjustment of aggregates for absorption was explained. Its one of the requirements for the sample preparation step, and was the last one that needed to be carried out before the proper mixing of all concrete ingredients can be performed. When discussing about sample preparation, we also must take into account that we should produce at least 10% more quantity of concrete than the required quantity for the tests that have to be done; Follows a series of tasks: initially, the aggregates should be added in the following order: coarse aggregate, fine aggregate, sand after which we mix for 30 seconds. 1/2 of the water quantity must be added next, mix for another minute, after which we thoroughly mix by hand. Water absorption by the aggregates takes place when we leave covered the mixer for 8 minutes. Silica fume is mixed with water for 1 minute before adding it to the mix, after which we add the cement and mix it for 1 minute. We clean the paddles; we add the remaining water and superplasticizer and mix for other 4-5 minutes, after which we ensure homogeneity by mixing the sample by hand. 5.2. Tests carried out in Lab 1. Before starting the discussion about what tests must be done, we should note that all these tests on fresh concrete should be carried out within 15 minutes of mixing. Two tests will be done: slump test and plastic density. After the tests are carried out, we must put the used concrete in the mixer and mix for other 30 seconds. The Slump test has the aim of analysis of the workability of the fresh concrete, and it regulated by BS EN 12350-2:2000 Testing fresh concrete Part 2: slump test standard. When performing this test we must have some basic equipment: a slump cone with foot rests and a metal rod (16 mm diameter, 600 mm long). First, we must moisten the slump cone, after which we pour the concrete in the cone, while it is hold firmly into position. The pouring of the concrete must be done in 3 equal layers which are tamped 25 times with the steel road. The excess of concrete at the top and around the slump cone is removed, after which the cone is removed, inverted and placed next to the slumped concrete in order to enable us to measure the vertical distance from the top of the cone to the highest point of the slumped concrete. The measured vertical distance has to be reported for the nearest 5 mm, and shows us the nature of the slump that we deal with: true, collapse and shear slump. Fig. 5.2: True, shear and collapse slump (Neville et al. 1987) If the shear or collapse of the sample concrete occurs, we must perform the slump test once again. Plastic Density is determined on a compacted concrete sample in the lab, and is regulated by BS 12350-6, 2000 Testing concrete Method for determination of density of compacted fresh concrete standard. When performing this test we must have some basic equipment: 10 liter steel container (200 mm internal diameter, 320 mm internal height, and 4 mm wall thickness), vibrating table and 300 mm steel rule. The test is carried out as follows: we measure the mass of the empty container after which we measure the mass of the container filled with 10 liter of water. The concrete is poured in the empty container, in six equal layers which will be compacted on the vibrating table and the excess concrete at the top will be removed. We record the mass of the container with the concrete in it; we return the concrete to the mixer and clean the equipment. The computation can now be performed with the following formula: Plastic density, D = m / V Where, m = mass of concrete in container (To the nearest 10 g) V = volume of container = mass of water in container (from calibration) /1000. During the mix design we have found a plastic density for each water-cement ratio. Having found that plastic density, the new lab computed plastic density must not differ by more than  ±20 kg/m ³ then the actual plastic density (mix design). 7. Yield: corrected mix proportions and differences between design/plastic and volumetric method. Because in the mix design we have taken into account only those parameters that have a major impact on concrete characteristics, and we disregarded those that have a minor role, some errors might occur during the mix design. Such errors might include: faulty maneuvering of concrete ingredients, errors in performing the mixing procedure. These errors are visible when the total weight of the concrete ingredients is different than the lab computed wet concrete density (plastic density). Having computed in the lab the actual plastic density of the mix, we can make corrections to the mix proportion weights so that some of the residual errors might be able to be corrected. One of the ways by which this can be done is adjusting for yield. Yield is the ratio between the actual density and the total density, and the adjustment is performed by multiplying this ratio with the weight of each constituent, giving us corrected mix proportions. As an example we shall perform the correction of the mix proportions for the 0.45 w/c ratio mix: During the mix design we have found that the wet density of concrete (plastic density) is 2380 kg/m3. Cement+10% SF 360+40 kg/m ³ Water 180 kg/m ³ Sand 650 kg/m ³ 10mm Agg 385 kg/m ³ 20mm Agg 770 kg/m ³ TOTAL DENSITY 2385 kg/m ³ ACTUAL PLASTIC DENSITY 2410 kg/m ³ (tested in labs) The correction is done with the following formula: Corrected = (Actual density/ Total Density) x each constituent = 2410/2385=1.0105 Cement+10% SF (365+40) kg/m ³ Water 180 kg/m ³ Sand 655 kg/m ³ 10mm Agg 390 kg/m ³ 20mm Agg 780 kg/m ³ CORRECTED DENSITY 2410 kg/m ³ Another method by which we can adjust the mix proportions is the volumetric method. The main feature of this method is that, when performing the adjustment, we will take into consideration the particle density of each constituent taking part in the mix design. We shall also make an example for the volumetric method of correction of mix proportions. Cement 360 kg/m ³ / 3150 kg/m ³ = 0.114 SF 40 kg/m ³ / 2000 kg/m ³ = 0.02 Water 180 kg/m ³ / 1000 kg/m ³ = 0.18 Sand 650 kg/m ³ / 2600 kg/m ³ = 0.25 10mm Agg 385 kg/m ³ / 2600 kg/m ³ = 0.148 20mm Agg 770 kg/m ³ / 2600 kg/m ³ = 0.296 ACTUAL 1.008 THEORETICAL 1.0000 The correction formula: Correction factor = (Theoretical/Actual) x each constituent = 0.992 Cement 355 kg/m ³ / 3150 kg/m ³ = 0.1133 SF 40 kg/m ³ / 2000 kg/m ³ = 0.020 Water 180 kg/m ³ / 1000 kg/m ³ = 0.180 Sand 645 kg/m ³ / 2600 kg/m ³ = 0.2474 10mm Agg 380 kg/m ³ / 2600 kg/m ³ = 0.1461 20mm Agg 765 kg/m ³ / 2600 kg/m ³ = 0.2932 ACTUAL 1.0000 THEORETICAL 1.0000 The main difference between the two methods which we have shown is that the yield method requires computing the lab plastic density, and comparing it to the plastic density taken into account in the design phase of the mix, while for the volumetric method is not necessary to make that extra effort in order to make the adjustment. As far as to which method is more appropriate to be used, from a first look at our example, we can consider that the volumetric method is more appropriate, at least from an economic point of view, because the adjustments made gave us smaller weights of materials than the adjustment for yield weights. But my opinion is that the plastic density method is much more appropriate to be used, because its more reliable, and you have a superior certainty about the elimination of the errors that appear in the mixing phase and also a better control of quality of the concrete. 8. Comments on fresh properties. The discussion about the fresh properties of concrete might seem to be not as important as the hardened concrete properties from a structural point of view, but as we have previously noted, there is a direct link between the two types of properties: for example the strength of hardened concrete is greatly improved when a sufficient compaction of the fresh concrete was established (Neville 1995).The objective of this discussion is to see the degree by which different concrete components affect the fresh properties of concrete, and we shall do this by comparing the mixes presenting silica fume, fly ash and recycled aggregate with the ordinary Portland cement mix (100% Gravel). The influence of aggregate type: by comparing the fresh properties of the 100% Gravel mix and 100% RA mix. Due to the fact RA have a higher porosity, a larger amount of water is needed in the mix which will eventually affect the workability of the fresh concrete. Because we have considered an absorption value for RA which was too high (RA density was larger than 2400kg/m3), the RA mix presented collapse slump, thus poor workability, also a slight bleeding, and segregation of the concrete constituents is present, leading to a poor cohesiveness. In the 30% FA and 10% SF mixes we have used as aggregate, gravel, so the influence of aggregate type on fresh concrete is the same in all 3 mixes, the only differences occur from the influence of other parameters. The cement type that we have used was either ordinary Portland cement (CEM I 52.5 N) or composite Portland cement, by combining the Portland cement with a cementitious material like silica fume or fly ash. As we can see from the comparison of the composite Portland cement mixes with those having only Portland cement, the 30% FA mix presents no bleeding or segregation of materials, a good cohesiveness and finishability. Fly ash reduces the amount of water to be used in the mix, having a similar effect as a superplasticizer, so at larger water cement ratios we have collapsed slump, poor cohesiveness, and a slight bleeding and segregation is present but the compactibility and finishability is still good, making it suitable for pumping . That is not the case with silica fume. Silica fume increases the water demand, and generally the mixes with silica fume present good cohesiveness, no bleeding and segregation, true slump giving us a good workability. The usage of both silica fume and sup erplasticizers has a good effect on concrete. The amount of fine material is directly linked to the cost of both silica fume and fly ash. The cost of production is quite large, so the use of silica fume and fly ash is no longer a cheap, viable solution for Portland cement replacement. As far as their consequences on fresh properties, for the 100% Gravel mix, at lower water-cement ratios we deal with a stiff mix, having less finishability and compactibility than when the amount of Portland cement is decreased, while the cohesiveness, lack of bleeding and segregation is kept the same on all mixes. We could use higher amounts of SF and FA but after a certain amount they cease to have any effect on the fresh properties of concrete. The water-cement ratio is one of the main factors affecting the concrete fresh properties, simply because water and cement are two of the main constituents of concrete. In the 100% RA mix, because of the use of RA, it was necessary to have a higher amount of water than in the other 3 mixes, which in return gave us a poor cohesiveness, a collapsible slump resulting in a poor workability. Also some segregation and bleeding was observed, which was not present in the other mixes. As a general rule, when the w/c ratio is decreased, the ratio between the other concrete constituents is kept constant, so the workability increases (Neville 1995). The SP amount required for workability. Superplasticizers greatly affect the slump of a mix. For the 100% Gravel mix we used approximately 0.12% amount of superplasticizers for all w/c ratios, which gave us a true slump. When we look at the 30% FA and 10% SF mix we can see that we have increased the amount to about 0.31% which gave us a collapse in slump when we used FA, so too much SP, and a true slump for SF, because SF works much better with SP compared to FA. 9. Conclusions This coursework has to be looked at as being divided in two parts: a part about the concrete mix design and establishing all the mix proportions of the concrete constituents and another part relating to the fresh properties of the resulted concrete. During this coursework we have successfully designed 4 types of concrete, and as a result the fresh properties of the 4 concretes were individually established and assessed. The mix of concrete ingredients, the determination of slump and the computation of plastic density were all done in the lab according to the relevant standard governing each task. The designed concrete types were: 100% Gravel, 100% RA, 30% FA and 10% SF. By assessing the concrete fresh properties we have seen which mixes had problems and were not suitable for using on site, but excluding some problems found (a high amount of superplasticizer than the one needed in the 30% FA), in general the mixes presented good workability without segregation or bleeding, were suitable for pumping so they could be used on site, in real conditions.

Invention of the Phonograph Essay -- Exploratory Essays Research Paper

Invention of the Phonograph The idea of the phonograph came from the man who invented the light bulb. Thomas Alva Edison is one of the greatest inventors of all time decided to create this invention. In 1877, Edison was working on a machine that would decipher telegraphic messages to paper tape. He used a diaphragm with an embossing point. This would be held onto a moving paraffin paper. Thus when spoken into it, the vibrations made indentations on it. Edison decided to change the idea by using a tin foil wrapped metal cylinder instead of the paper. The final cylinder phonograph had 2 diaphragm and needle units. One would be for recording date and the other would be for playing it. For the machine to work, one would have to speak into a mouthpiece and the sound vibrations would be imprinted on the cylinder. Then the recording needle would create some sort of groove pattern on the cylinder. The data can then played by back by the data from the created grooves. From this invention Edison started the Edison Speaking Phonograph Company in 1878. Edison had received $10,000 for the sales and manufacturing rights plus 20% of the profits from this company. The machine had a variety of uses including dictation, creating listening books, a sort of a â€Å"family record† which had precious recorded memories of the family like last words, teaching elocution, adn other uses as well The cylinder phonograph proved to be successful, but the problem with the machine was that the tin foil only allowed a few uses. With the help of another great inventor, new advances could be made to improve this invention. The inventor of the telephone, Alexander Graham Bell, had set up a laboratory for his cousin, Chichester Bell and Charles Tainter. Bell a... ...ndex.asp?s=1&mode=long. 7. â€Å"The History of the Edison Cylinder Phonograph.† American Memory: Historical Collects for National Digital Library 13 Mar. 2003. http://lcweb2.loc.gov/ammem/edhtml/edcyldr.html. 8. â€Å"The History of the Edison Disc Phonograph.† American Memory: Historical Collects for National Digital Library 13 Mar. 2003. http://lcweb2.loc.gov/ammem/edhtml/eddschst.html. 9. â€Å"The History of Turntablism.† Ilikemusic.com. 21 Mar. 2003. http://www.ilikemusic.com/index.asp?fdLocation=%2Farticle%2Easp%3FfdSectionid%3D2%26fdSubsectionid%3D11%26fdArticleId%3D128. 10. â€Å"The Rave Page.† Angelfire.com 13 Mar. 2003. http://www.angelfire.com/ar2/raves/. 11. â€Å"Turntables and CD players.† Turnt(L)able.com 13 Mar. 2003. http://www.turntablelab.com/index1.html. 12. â€Å"Turntable History.† Enjoy the Music.com 13 Mar. 2003. http://www.turntablelab.com/index1.html.