Marxist Theory of Crime

Using the material from item A and elsewhere assess the usefulness of Marxist approaches to an understanding of crime and deviance. (21 marks) Marxist approaches can be useful to help us understand crime and deviance. Marxists theory adopts the belief that the ruling class is responsible for societies. They think crime is systematically generated by the structure of capitalist society. Marxists believe that society is divided into two classes, the bourgeoisie and the proletariat.The bourgeoisie promote values such as individualism and competition, and some may argue that it is these values that promote crime amongst the typical offenders, the proletariat. Traditional Marxism attempts to explain the relationship between the two aforementioned classes, with writers such as William Chambliss concluding that the best way to understand crime and deviance is to analyse the process by which the ruling class exploit their subordinates , through means such as the media , ideology and false-cl ass consciousness, to name a few mediums.An example of this, again the result of a study conducted by Chambliss. Marxist say that the rich and powerful decide what is considered deviant and criminal in society to suit their own needs and interests. This supports item A as it states ‘a set of rules laid down by the state in the interest of the ruling class'. This is reflected in crime statistics; the most common offenders are young, black males between the ages of 15-21. A counter argument to this is the idea of Strain Theory developed by Robert Merton.Traditional Marxism argues that it is increased aggression and individualistic nature of the capitalist society that inspires individuals to commit crime, however Merton comments that it is Strain between goals and the legitimate means to achieve these goals that cause an individual to commit crime. It is also noted that the Traditional Marxist theory only looks at the cause of crime, and not the effect that the crime has on the society. Another sociological theory that attempts to provide an explanation for crime and deviance is the Marxist subcultural theory.This Marxist theory of crime goes on to explain it is the emergence of youth subculture that result in crime. It is argued that only the groups on the margins of society are the few that are not bound by the ideology and economic importance of the ruling class, and due to this ‘immunity’, they are able to somewhat resist the influence of the capitalist society. The largest group which display this resistance are typically the working class youth.According to Brake, amongst other writers, the resistance which is provided by the working class youth is expressed through youth subcultures. A subculture is defined as a group within a society who adopt alternative norms and values to mainstream society. The youth part of these subcultures will wear different, or rather radical clothing compared to mainstream society, and their language, among o ther attitudes and formalities, will show a contempt for the capitalist system of which they are on the fringes of.It is also said by Brake, that this resistance is ‘magical’, magical in the sense that this resistance does nothing to solve the problems that are experienced by the youth subcultures, but it still continues, because each generation, it is said that the capitalist society produces vast wealth inequalities and opportunities, said by Althusser. Stan Cohen, on the other noted that this analysis of working class youth subcultures are based on analysis, and as such, are biased, due to these writers looking to prove that subcultures are a direct attack on the capitalist society.A criticism that Cohen provided is that there are many ways in which an individual can interpret the actions of a subculture, the Marxist view on this just so happens to be one of the many views in circulation. Blackman also notes that the concentration on youth subcultures and resistance ignores the fact that many subcultures are formed with an emphasis on, gender, sexuality, and also ‘intelligence’.Youth subcultures exist everywhere, in also institutions, for example in education. There are some who specifically desire to adhere to the rules of the education, and follow direction as they are given, and there are those who wish to resist because they find schoolwork autonomous, (the ‘earoles’ and the ‘lads’ – ), which is taken from the interpretivist view of education.

Foundation’s Edge CHAPTER ONE COUNCILMAN

COUNCILMAN â€Å"I don't believe it, of course,† said Golan Trevize standing on the wide steps of Seldon Hall and looking out over the city as it sparkled in the sunlight. Terminus was a mild planet, with a high water/land ratio. The introduction of weather control had made it all the more comfortable and considerably less interesting, Trevize often thought. â€Å"I don't believe any of it,† he repeated and smiled. His white, even teeth gleamed out of his youthful face. His companion and fellow Councilman, Munn Li Compor who had adopted a middle name in defiance of Terminus tradition, shook his head uneasily. â€Å"What don't you believe? That we saved the city?† â€Å"Oh, I believe that. We did, didn't we? And Seldon said that we would, and he said we would be right to do so, and that he knew all about it five hundred years ago.† Compor's voice dropped and he said in a half-whisper, â€Å"Look, I don't mind your talking like this to me, because I take it as just talk, but if you shout it out in crowds others will hear and, frankly, I don't want to be standing near you when the lightning strikes. I'm not sure how precise the aim will be.† Trevize's smile did not waver. He said, â€Å"Is there harm in saying that the city is saved? And that we did it without a war?† â€Å"There was no one to fight,† said Compor. He had hair of a buttery yellow, eyes of a sky blue, and he always resisted the impulse to alter those unfashionable hues. â€Å"Have you never heard of civil war, Compor?† said Trevize. He was tall, his hair was black, with a gentle wave to it, and he had a habit of walking with his thumbs hitched into the soft-fibered sash he always wore. â€Å"A civil war over the location of the capital?† â€Å"The question was enough to bring on a Seldon Crisis. It destroyed Hannis's political career. It put you and me into the Council last election and the issue hung†¦Ã¢â‚¬  He heisted one hand slowly, back and forth, like a balance coming to rest on the level. He paused on the steps, ignoring the other members of the government and the media, as well as the fashionable society types who had finagled an invitation to witness Seldon's return (or the return of his image, at any rate). All were walking down the stairs, talking, laughing, glorying in the correctness of everything, and basking in Seldon's approval. Trevize stood still and let the crowd swirl past him. Compor, having walked two steps ahead, paused – an invisible cord stretching between them. He said, â€Å"Aren't you coming?† â€Å"There's no hurry. They won't start the Council meeting until Mayor Branno has reviewed the situation in her usual flat-footed, one-syllable-at-a-time way. I'm in no hurry to endure another ponderous speech. – Look at the city!† â€Å"I see it. I saw it yesterday, too.† â€Å"Yes, but did you see it five hundred years ago when it was founded?† â€Å"Four hundred ninety-eight,† Compor corrected him automatically. â€Å"Two years from now, they'll have the hemimillennial celebration and Mayor Branno will still be in the office at the time, barring events of, we hope, minor probability.† â€Å"We hope,† said Trevize dryly. â€Å"But what was it like five hundred years ago when it was founded? One city! One small city, occupied by a group of men preparing an Encyclopedia that was never finished!† â€Å"Of course it was finished.† â€Å"Are you referring to the Encyclopedia Galactica we have now? What we have isn't what they were working on. What we have is in a computer and it's revised daily. Have you ever looked at the uncompleted original?† â€Å"You mean in the Hardin Museum?† â€Å"The Salvor Hardin Museum of Origins. Let's have the full name, please, since you're so careful about exact dates. Have you looked at it?† â€Å"No. Should I?† â€Å"No, it isn't worth it. But anyway – there they were – a group of Encyclopedists, forming the nucleus of a town – one small town in a world virtually without metals, circling a sun isolated from the rest of the Galaxy, at the edge, the very edge. And now, five hundred years later, we're a suburban world. The whole place is one big park, with all the metal we want. We're at the center of everything now?† â€Å"Not really,† said Compor. â€Å"We're still circling a sun isolated from the rest of the Galaxy. Still at the very edge of the Galaxy.† â€Å"Ah no, you're saying that without thinking. That was the whole point of this little Seldon Crisis. We are more than the single world of Terminus. We are the Foundation, which sends out its tentacles Galaxy-wide and rules that Galaxy from its position at the very edge. We can do it because we're not isolated, except in position, and that doesn't count.† â€Å"All right. I'll accept that.† Compor was clearly uninterested and took another step downward. The invisible cord between them stretched farther. Trevize reached out a hand as though to haul his companion up the steps again. â€Å"Don't you see the significance, Compor? There's this enormous change, but we don't accept it. In our hearts we want the small Foundation, the small one-world operation we had in the old days – the days of iron heroes and noble saints that are gone forever.† â€Å"Come on!† â€Å"I mean it. Look at Seldon Hall. To begin with, in the first crises in Salvor Hardin's day, it was just the Time Vault, a small auditorium in which the holographic image of Seldon appeared. That was all. Now it's a colossal mausoleum, but is there a force-field ramp in the place? A slideway? A gravitic lift? – No, just these steps, and we walk down them and we walk up them as Hardin would have had to do. At odd and unpredictable times, we cling in fright to the past.† He flung his arm outward passionately. â€Å"Is there any structural component visible that is metal? Not one. It wouldn't do to have any, since in Salvor Hardin's day there was no native metal to speak of and hardly any imported metal. We even installed old plastic, pink with age, when we built this huge pile, so that visitors from other worlds can stop and say, ‘Galaxy! What lovely old plastics' I tell you, Compor, it's a sham.† â€Å"Is that what you don't believe, then? Seldon Hall?† â€Å"And all its contents,† said Trevize in a fierce whisper. â€Å"I don't really believe there's any sense in hiding here at the edge of the Universe, just because our ancestors did. I believe we ought to be out there, in the middle of everything.† â€Å"But Seldon says you're wrong. The Seldon Plan is working out as it should.† â€Å"I know. I know. And every child on Terminus is brought up to believe that Hari Seldon formulated a Plan, that he foresaw everything five centuries ago, that he set up the Foundation in such a way that he could spot certain crises, and that his image would appear holographically at those crises, and tell us the minimum we had to know to go on to the next crisis, and thus lead us through a thousand years of history until we could safely build a Second and Greater Galactic Empire on the ruins of the old decrepit structure that was falling apart five centuries ago and had disintegrated completely by two centuries ago.† â€Å"Why are you telling me all this, Golan?† â€Å"Because I'm telling you it's a sham. It's all a sham. – Or if it was real to begin with, it's a sham now! We are not our own masters. It is not we who are following the Plan.† Compor looked at the other searchingly. â€Å"You've said things like this before, Golan, but I've always thought you were just saying ridiculous things to stir me up. By the Galaxy, I actually think you're serious.† â€Å"Of course I'm serious!† â€Å"You can't be. Either this is some complicated piece of fun at my expense or you're out of your mind.† â€Å"Neither. Neither,† said Trevize, quiet now, hitching his thumbs into his sash as though he no longer needed the gestures of hands to punctuate passion. â€Å"I speculated on it before, I admit, but that was just intuition. That farce in there this morning, however, has made it suddenly all. quite plain to me and I intend, in turn, to make it quite plain to the Council.† Compor said, â€Å"You are crazy!† â€Å"All right. Come with me and listen.† The two walked down the stairs. They were the only ones left – the last to complete the descent. And as Trevize moved slightly to he fore, Compor's lips moved silently, casting a voiceless word in the direction of the other's back: â€Å"Fool!† Mayor Harla Branno called the session of the Executive Council to order. Her eyes had looked with no visible sign of interest at the gathering; yet no one there doubted that she had noted all who were present and all who had not yet arrived. Her gray hair was carefully arranged in a style that was neither markedly feminine nor imitation masculine. It was simply the way she wore it, no more. Her matter-of-fact face was not notable for beauty, but somehow it was never for beauty that one searched there. She was the most capable administrator on the planet. No one could, or did, accuse her of the brilliance of the Salvor Hardins and the Hober Mallows whose histories enlivened the first two centuries of the Foundation's existence, but neither would anyone associate her with the follies of the hereditary Indburs who had ruled the Foundation just prior to the time of the Mule. Her speeches did not stir men's minds, nor did she have a gift for the dramatic gesture, but she had a capacity for making quiet decisions and sticking by them as long as she was convinced she was right. Without any obvious charisma, she had the knack of persuading the voters those quiet decisions would be right Since by the Seldon doctrine, historical change is to a large degree difficult to swerve (always barring the unpredictable, something most Seldonists forget, despite the wrenching incident of the Mule), the Foundation might have retained its capital on Terminus under any conditions. That is a â€Å"might,† however. Seldon, in his just finished appearance as a five-century-old simulacrum, had calmly placed the probability of remaining on Terminus at 87.2 percent. Nevertheless, even to Seldonists, that meant there was a 12.8 percent chance that the shift to some point closer to the center of the Foundation Federation would have been made, with all the dire consequences that Seldon had outlined. That this one-out-of-eight chance did not take place was surely due to Mayor Branno. It was certain she would not have allowed it. Through periods of considerable unpopularity, she had held to her decision that Terminus was the traditional seat of the Foundation and there it would remain. Her political enemies had caricatured her strong jaw (with some effectiveness, it had to be admitted) as an underslung granite block. And now Seldon had backed her point of view and, for the while at least, that would give her an overwhelming political advantage. She had been reported to have said a year earlier that if in the coming appearance Seldon did back her, she would consider her task successfully completed. She would then retire and take up the role of elder statesperson, rather than risk the dubious results of further political wars. No one had really believed her. She was at home in the political wars to an extent few before her had been, and now that Seldon's image had come and gone there was no hint of retirement about her. She spoke in a perfectly clear voice with an unashamed Foundation accent (she had once served as Ambassador to Mandrels, but had not adopted the old Imperial style of speech that was so fashionable now – and was part of what had been a quasi-Imperial drive to the Inner Provinces). She said, â€Å"The Seldon Crisis is over and it is a tradition, and a wise one, that no reprisals of any kind – either in deed or in speech – be taken against those who supported the wrong side. Many honest people believed they had good reason for wanting that which Seldon did not want. There is no point in humiliating them to the point where they can retrieve their self-respect only by denouncing the Seldon Plan itself. In turn, it is a strong and desirable custom that those who supported the lost side accept the loss cheerfully and without further discussion. The issue is behind us, on both sides, forever.† She paused, gazed levelly at the assembled faces for a moment, then went on, â€Å"Half the time has passed, people of the Council half the thousand-year stretch between Empires. It has been a time of difficulties, but we have come a fang way. We are, indeed, almost a Galactic Empire already and there remain no external enemies of consequence. â€Å"The Interregnum would have endured thirty thousand years, were it not for the Seldon Plan. After thirty thousand years of disintegration, it might be there would be no strength left with which to form an Empire again. There might be left only isolated and probably dying worlds. â€Å"What we have today we owe to Hari Seldom and it is upon his long-dead mind that we must rely far the rest. The danger henceforward, Councillors, is ourselves, and from this point on there must be no official doubt of the value of the Flan. Let us agree nosy, quietly and firmly, that there are to be no official doubts, criticisms, or condemnations of the Plan. We must support it completely. It has proved itself over five centuries. It is the security of humanity and it must not be tampered with. Is it agreed?† There was a quiet murmur. The Mayor hardly looked up to seek visual proof of agreement. She knew every member of the Council and how each would react. In the wake of the victory, there would be no objection now. Next year perhaps. Not now. She would tackle the problems of next year next year. Always except for – â€Å"Thought control, Mayor Branno?† asked Golan Trevize, striding down the aisle and speaking loudly, as though to make up for the silence of the rest. He did not bother to take his seat which, since he was a new member, was in fine back row. Branno still did not look up. She said, â€Å"Your views, Councilman Trevize?† â€Å"That the government cannot impose a ban on free speech; that all individuals – most certainly including Councilmen and Councilwomen who have been elected for the purpose – have a right to discuss the political issues of the day; and that no political issue can possibly be divorced from the Seldon Plan:† Branno folded her hands and looked up. Her face was expressionless. She said, â€Å"Councilman Trevize, you have entered this debate irregularly and were out of order in doing so. However, I asked you to state your views and I will now answer you. â€Å"There is no limit to free speech within the context of the Seldon Plan. It is only the Plan itself that limits us by its very nature. There can be many ways of interpreting events before the image makes the final decision, but once he makes that decision it can be questioned no further in Council. Nor may it be questioned in advance as though one were to say, ‘If Hari Seldon were to state thus-and-so, he would be wrong.'† â€Å"And yet if one honestly felt so, Madam Mayor?† â€Å"Then one could say so, if one were a private individual, discussing fine matter in a private context.† â€Å"You mean, then, that the limitations on free speech which you propose are to apply entirely and specifically to government officials?† â€Å"Exactly. This is not a new principle of Foundation law. It has been applied before by Mayors of all parties. A private point of view means nothing; an official expression of opinion carries weight and can be dangerous. We have not come this far to risk danger now.† â€Å"May I point out, Madam Mayor, that this principle of yours has been applied, sparsely and occasionally, to specific acts of Council. It has never been applied to something as vast and indefinable as the Seldon Plan.† â€Å"The Seldon Plan needs the protection most, for it is precisely there that questioning can be most fatal.† â€Å"Will you not consider, Mayor Branno†¦Ã¢â‚¬  Trevize turned, addressing now the seated rows of Council members, who seemed one and ail to have caught their breath, as though awaiting the outcome of a duel. â€Å"Will you not consider, Council members, that there is every reason to think that there is no Seldon Plan at all?† â€Å"We have all witnessed its workings today,† said Mayor Branno, even more quietly as Trevize became louder and more oratorical. â€Å"It is precisely because we have seen its workings today, Councilmen and Councilwomen, that we can see that the Seldon Plan, as we have been taught to believe it to be, cannot exist.† â€Å"Councilman Trevize, you are out of order and must not continue along these lines.† â€Å"I have the privilege of office, Mayor.† â€Å"That privilege has been withdrawn, Councilman.† â€Å"You cannot withdraw the privilege. Your statement limiting free speech cannot, in itself, have the force of law. There has been no formal vote in Council, Mayor, and even if there were I would have the right to question its legality.† â€Å"The withdrawal, Councilman, has nothing to do with my statement protecting the Seldon Plan.† â€Å"On what, then, does it depend?† â€Å"You are accused of treason, Councilman. I wish to do the Council the courtesy of not arresting you within the Council Chamber, but waiting at the door are members of Security who will take you into custody as you leave. I will ask you now to leave quietly. If you make any ill-considered move, then, of course, that will be considered a present danger and Security will enter the Chamber. I trust you will not make that necessary.† Trevize frowned. There svgs absolute silence in the hall. (Did everyone expect this – everyone but himself and Compor?) He looked back at the exit. He saw nothing, but he had no doubt that Mayor Branno was not bluffing. He stammered in rage. â€Å"I repre – represent an important constituency, Mayor Branno†¦Ã¢â‚¬  â€Å"No doubt, they will be disappointed in you.† â€Å"On what evidence do you bring forth this wild charge?† â€Å"That will appear in due course, but be assured that we have all we need. You are a most indiscreet young man and should realize that someone may be your friend and yet not be willing to accompany you into treason:† Trevize whirled to meet Compor's blue eyes. They met his stonily. Mayor Branno said calmly, â€Å"I call upon all to witness that when I made my last statement, Councilman Trevize turned to look at Councilman Compor. Will you leave now, Councilman, or will you force us to engage in the indignity of an arrest within the Chamber?† Golan Trevize turned, mounted the steps again, and, at the door, two men in uniform, well armed, fell in on either side. And Harla Branno, looking after him impassively, whispered through barely parted lips, â€Å"Fool!† Liono Kodell had been Director of Security through all of Mayor Branno's administration. It was not a backbreaking job, as he liked to say, but whether he was lying or not, one could not, of course, tell. He didn't look like a liar, but that did not necessarily mean anything. He looked comfortable and friendly, and it might well be that this was appropriate for the job. He was rather below the average height, rather above the average weight, had a bushy mustache (most unusual for a citizen of Terminus) that was now more white than gray, bright brown eyes, and a characteristic patch of primary color marking the outer breast pocket of his drab coverall. He said, â€Å"Sit down, Trevize. Let us keep this on a friendly basis if we can.† â€Å"Friendly? With a traitor?† Trevize hooked both his thumbs in his sash and remained standing. â€Å"With an accused traitor. We have not yet come to the point where accusation – even by the Mayor herself – is the equivalent of conviction. I trust we never do. My job is to clear you, if I can. I would much rather do so now while no harm is done – except, perhaps, to your pride – rather than be forced to make it all a matter of a public trial. I hope you are with me in this.† Trevize didn't soften. He said, â€Å"Let's not bother with ingratiation. Your job is to badger me as though I were a traitor. I am not one, and I resent the necessity of having to have that point demonstrated to your satisfaction. Why should you not have to prove your loyalty to my satisfaction?† â€Å"In principle, none. The sad fact, however, is that I have power on my side, and you have none on yours. Because of that, it is my privilege to question, and not yours. If any suspicion of disloyalty or treason fell upon me, by the way, I imagine I would find myself replaced, and I would then be questioned by someone else, who, I earnestly hope, would treat me no worse than I intend to treat you.† â€Å"And how do you intend to treat me?† â€Å"Like, I trust, a friend and an equal, if you will so treat me.† â€Å"Shall I stand you a drink?† asked Trevize bitterly. â€Å"Later, perhaps, but for now, please sit down. I ask it as a friend.† Trevize hesitated, then sat. Any further defiance suddenly seemed meaningless to him. â€Å"What now?† he said. â€Å"Now, may I ask that you will answer my questions truthfully and completely and without evasion?† â€Å"And if not? What is the threat behind it? A Psychic Probe?† â€Å"I trust not.† â€Å"I trust not, too. Not on a Councilman. It will reveal no treason, and when I am then acquitted, I will have your political head and the Mayor's too, perhaps. It might almost be worth making you try a Psychic Probe.† Kodell frowned and shook his head slightly. â€Å"Oh no. Oh no. Too much danger of brain damage. It's slow healing sometimes, and it would not be worth your while. Definitely. You know, sometimes, when the Probe is used in exasperation†¦Ã¢â‚¬  â€Å"A threat, Kodell?† â€Å"A statement of fact, Trevize. – Don't mistake me, Councilman. If I must use the Probe I will, and even if you are innocent you will have no recourse.† â€Å"What do you want to know?† Kodell closed a switch on the desk before him. He said, â€Å"What I ask and what you answer to my questions will be recorded, both sight and sound. I do not want any volunteered statements from you, or anything nonresponsive. Not at this time. You understand that, I am sure.† â€Å"I understand that you will record only what you please,† said Trevize contemptuously. â€Å"That is right, but again, don't mistake me. I wilt not distort anything you say. I will use it or not use it, that is all. But you will know what I will not use and you will not waste my time and yours. â€Å"We'll see.† â€Å"We have reason to think, Councilman Trevize† – and somehow the touch of added formality in his voice was evidence enough that he was recording – â€Å"that you have stated openly, and on a number of occasions, that you do not believe in the existence of the Seldon Plan.† Trevize said slowly, â€Å"If I have said so openly, and on a number of occasions, what more do you need?† â€Å"Let us not waste time with quibbles, Councilman. You know that what I want is an open admission in your own voice, characterized by its own voiceprints, under conditions where you are clearly in perfect command of yourself.† â€Å"Because, I suppose, the use of any hypno-effect, chemical or otherwise, would alter the voiceprints?† â€Å"Quite noticeably.† â€Å"And you are anxious to demonstrate that you have made use of no illegal methods in questioning a Councilman? I don't blame you .. â€Å"I'm glad you do not blame me, Councilman. Then let us continue. You have stated openly, and on a number of occasions, that you do not believe in the existence of the Seldon Plan. Do you admit that?† Trevize said slowly, choosing his words, â€Å"I do not believe that what we call Seldon's Plan has the significance we usually apply to it. â€Å"A vague statement. Would you care to elaborate?† â€Å"My view is that the usual concept that Hari Seldon, five hundred years ago, making use of the mathematical science of psychohistory, worked out the course of human events to the last detail and that we are following a course designed to take us from the First Galactic Empire to the Second Galactic Empire along the line of maximum probability, is naive. It cannot be so:' â€Å"Do you mean that, in your opinion, Hari Seldon never existed?† â€Å"Not at all. Of course he existed.† â€Å"That he never evolved the science of psychohistory?† â€Å"No, of course I don't mean any such thing. See here, Director, I would have explained this to the Council if I had been allowed to, and I will explain it to you. The truth of what I am going to say is so plain†¦Ã¢â‚¬  The Director of Security had quietly, and quite obviously, turned off the recording device. Trevize paused and frowned. â€Å"Why did you do that?† â€Å"You are wasting my time, Councilman. I am not asking you for speeches.† â€Å"You are asking me to explain my views, aren't you?† â€Å"Not at all. I am asking you to answer questions – simply, directly, and straightforwardly. Answer only the questions and offer nothing that I do not ask for. Do that and this won't take long.† Trevize said, â€Å"You mean you will elicit statements from me that will reinforce the official version of what I am supposed to have done.† â€Å"We ask you only to make truthful statements, and I assure you we will not distort them. Please, let me try again. We were talking about Hari Seldon.† The recording device was in action once more and Kodell repeated calmly, â€Å"That he never evolved the science of psychohistory?† â€Å"Of course he evolved the science that we call psychohistory,† said Trevize, failing to mask his impatience, and gesturing with exasperated passion. â€Å"Which you would define – how?† â€Å"Galaxy! It is usually defined as that branch of mathematics that deals with the overall reactions of large groups of human beings to given stimuli under given conditions. In other words, it is supposed to predict social and historical changes – â€Å" â€Å"You say ‘supposed to' Do you question that from the standpoint of mathematical expertise?† â€Å"No,† said Trevize. â€Å"I am not a psychohistorian. Nor is any member of the Foundation government, nor any citizen of Terminus, nor any†¦Ã¢â‚¬  Kodell's hand raised. He said softly, â€Å"Councilman, please!† and Trevize was silent. Kodell said, â€Å"Have you any reason to suppose that Hari Seldon did not make the necessary analysis that would combine, as efficiently as possible, the factors of maximum probability and shortest duration in the path leading from the First to the Second Empire by way of the Foundation?† â€Å"I wasn't there,† said Trevize sardonically. â€Å"How can I know?† â€Å"Can you know he didn't?† â€Å"No.† â€Å"Do you deny, perhaps, that the holographic image of Hari Seldon that has appeared during each of a number of historical crises over the past five hundred years is, in actual fact, a reproduction of Hari Seldon himself, made in the last year of his life, shortly before the establishment of the Foundation?† â€Å"I suppose I can't deny that.† â€Å"You ‘suppose.' Would you care to say that it is a fraud, a hoax devised by someone in past history for some purpose?† Trevize sighed. â€Å"No. I am not maintaining that.† â€Å"Are you prepared to maintain that the messages that Hari Seldon delivers are in any way manipulated by anyone at all?† â€Å"No. I have no reason to think that such manipulation is either possible or useful.† â€Å"I see. You witnessed this most recent appearance of Seldon's image. Did you find that his analysis – prepared five hundred years ago – did not match the actual conditions of today quite closely?† â€Å"On the contrary,† said Trevize with sudden glee. â€Å"It matched very closely.† Kodell seemed indifferent to the other's emotion. â€Å"And yet, Councilman, after the appearance of Seldon, you still maintain that the Seldon Plan does not exist.† â€Å"Of course I do. I maintain it does not exist precisely because the analysis matched so perfectly.† Kodell had turned off the recorder. â€Å"Councilman,† he said, shaking his head, â€Å"you put me to the trouble of erasing. I ask if you still maintain this odd belief of yours and you start giving me reasons. Let me repeat my question.† He said, â€Å"And yet, Councilman, after the appearance of Seldon, you still maintain that the Seldon Plan does not exist.† â€Å"How do you know that? no one had a chance to speak to my informer friend, Compor, after the appearance.† â€Å"Let us say we guessed, Councilman. And let us say you have already answered, ‘Of course I do' If you will say that once more without volunteering added information, we can get on with it.† â€Å"Of course I do,† said Trevize ironically. â€Å"Well,† said Kodell, â€Å"I will choose whichever of the ‘Of course I do's' sounds more natural. Thank you, Councilman,† and the recording device was turned off again. Trevize said, â€Å"Is that it?† â€Å"For what I need, yes.† â€Å"What you need, quite clearly, is a set of questions and answers that you can present to Terminus and to all the Foundation Federation which it rules, in order to show that I accept the legend of the Seldon Plan totally. That will make any denial of it that I later make seem quixotic or outright insane.† â€Å"Or even treasonable in the eyes of an excited multitude which sees the Plan as essential to the Foundation's safety. It will perhaps not be necessary to publicize this, Councilman Trevize, if we can come to some understanding, but if it should prove necessary we will see to it that the Federation hears.† â€Å"Are you fool enough, sir,† said Trevize, frowning, â€Å"to be entirely uninterested in what I really have to say?† â€Å"As a human being I am very interested, and if an appropriate time comes I will listen to you with interest and a certain amount of skepticism. As Director of Security, however, I have, at the present moment, exactly what I want† â€Å"I hope you know that this will do you, and the Mayor, no good.† â€Å"Oddly enough, I am not at all of that opinion. You will now leave. Under guard, of course.† â€Å"Where am I to be taken?† Kodell merely smiled. â€Å"Good-bye, Councilman. You were not perfectly co-operative, but it would have been unrealistic to have expected you to be.† He held out his hand. Trevize, standing up, ignored it. He smoothed the creases out of his sash and said, â€Å"You only delay the inevitable. Others must think as I do now, or will come to think that way later. To imprison me or to kill me will serve to inspire wonder and, eventually, accelerate such thinking. In the end the truth and I shall win.† Kodell took back his hand and shook his head slowly. â€Å"Really, Trevize,† he said. â€Å"You are a fool.† It was not till midnight that two guards came to remove Trevize from what was, he had to admit, a luxurious room at Security Headquarters. Luxurious but locked. A prison cell by any name. Trevize had over four hours to second-guess himself bitterly, striding restlessly across the floor for much of the period. Why did he trust Compor? Why not? He had seemed so clearly in agreement. – No, not that. He had seemed so ready to be argued into agreement. – No, not that, either. He had seemed so stupid, so easily dominated, so surely lacking a mind and opinions of his own that Trevize enjoyed the chance of using him as a comfortable sounding board. Compor had helped Trevize improve and hone his opinions. He had been useful and Trevize had trusted him for no other reason than that it had been convenient to do so. But it was useless now to try to decide whether he ought to have seen through Compor. He should have followed the simple generalization: Trust nobody. Yet can one go through life trusting nobody? Clearly one had to. And who would have thought that Branno would have had the audacity to pluck a Councilman out of the Council – and that not one of the other Councilmen would move to protect one of their own? Though they had disagreed with Trevize to their very hearts; though they would have been ready to bet their blood, drop by drop, on Branno's rightness; they should still, on principle, have interposed themselves against this violation of their prerogatives. Branno the Bronze she was sometimes called, and she certainly acted with metallic rigor – Unless she herself was already in the grip – No! That way led to paranoia! And yet – His mind tiptoed in circles, and had not broken out of uselessly repetitive thought when the guards came. â€Å"You will have to come with us, Councilman,† the senior of the two said with unemotional gravity. His insignia showed him to be a lieutenant. He had a small scar on his right cheek, and he looked tired, as though he had been at his Job too long and had done too little – as might be expected of a soldier whose people had been at peace for over a century. Trevize did not budge. â€Å"Your name, Lieutenant.† â€Å"I am Lieutenant Evander Sopellor, Councilman.† â€Å"You realize you are breaking the law, Lieutenant Sopellor. You cannot arrest a Councilman.† The lieutenant said, â€Å"We have our direct orders, sir.† â€Å"That does not matter. You cannot be ordered to arrest a Councilman. You must understand that you will be liable for court-martial as a result.† The lieutenant said, â€Å"You are not being arrested, Councilman.† â€Å"Then I don't have to go with you, do I?† â€Å"We have been instructed to escort you to your home.† â€Å"I know the way.† â€Å"And to protect you en route.† â€Å"From what? – Or from whom?† â€Å"From any mob that may gather.† â€Å"At midnight?† â€Å"It is why we have waited for midnight, sir. – And now, sir, for your protection we must ask you to come with us. May I say – not as a threat but as a matter of information – that we are authorized to use force if necessary.† Trevize was aware of the neuronic whips with which they were armed. He rose with what he hoped was dignity. â€Å"To my home, then. – Or will I find out that you are going to take me to prison?† â€Å"We have not been instructed to lie to you, sir,† said the lieutenant with a pride of his own. Trevize became aware that he was in the presence of a professional man who would require a direct order before he would lie – and that even then his expression and his tone of voice would give him away. Trevize said, â€Å"I ask your pardon, Lieutenant. I did not mean to imply that I doubted your word.† A ground-car was waiting for them outside. The street was empty and there was no sign of any human being, let alone a mob – but the lieutenant had been truthful. He had not said there was a mob outside or that one would form. He had referred to â€Å"any mob that may gather.† He had only said â€Å"may.† The lieutenant had carefully kept Trevize between himself and the car. Trevize could not have twisted away and made a run for it. The lieutenant entered immediately after him and sat beside him in the back. The car moved off. Trevize said, â€Å"Once I am home, I presume I may then go about my business freely – that I may leave, for instance, if I choose.† â€Å"We have no order to interfere with you, Councilman, in any way, except insofar as we are ordered to protect you.† â€Å"Insofar? What does that mean in this case?† â€Å"I am instructed to tell you that once you are home, you may not leave it. The streets are not safe for you and I am responsible for your safety.† â€Å"You mean I am under house arrest.† â€Å"I am not a lawyer, Councilman. I do not know what that means.† He gazed straight ahead, but his elbow made contact with Trevize's side. Trevize could not have moved, however slightly, without the lieutenant becoming aware of it. The car stopped before Trevize's small house in the suburb of Flexner. At the moment, he lacked a housemate – Flavella having wearied of the erratic life that Council membership had forced upon him – so he expected no one to be waiting for him. â€Å"Do I get out now?† Trevize asked. â€Å"I will get out first, Councilman. We will escort you in.† â€Å"For my safety?† â€Å"Yes, sir.† There were two guards waiting inside his front door. A night-light was gleaming, but the windows had been opacified and it was not visible from outside. For a moment, he was indignant at the invasion and then he dismissed it with an inward shrug. If the Council could not protect him in the Council Chamber itself, then surely his house could not serve as his castle. Trevize said, â€Å"How many of you do I have in here altogether? A regiment?† â€Å"No, Councilman,† came a voice, hard and steady. â€Å"Just one person aside from those you see, and I have been waiting for you long enough.† Harla Branno, Mayor of Terminus, stood in the door that led into the living room. â€Å"Time enough, don't you think, for us to talk?† Trevize stared. â€Å"All this rigmarole to†¦Ã¢â‚¬  But Branno said in a low, forceful voice. â€Å"Quiet, Councilman. – And you four, outside. Outside! – All will be well in here.† The four guards saluted and turned on their heels. Trevize and Branno were alone.

Essay Comparing the Plays “Trifles”

â€Å"A Doll’s Trifles† A essay comparing the plays â€Å"Trifles† and â€Å"Dollhouse. † Joshua Long English 102 Amy Lannon March 21, 2012 Our society’s gender roles are constantly evolving and changing, all in the name of â€Å"progressive thinking†, though not all for the good. With a new â€Å"social norm† appearing every few years or so, it comes as a surprise that it has been a relatively short time since women have broken through their defined roles to be seen on the same level as men on a social basis.Many of history’s pages are written from a patriarchal perspective, opening the way for the female protagonists and complimentary characters in Susan Glaspell’s â€Å"Trifles† and Henrik Ibsen’s â€Å"A Doll’s House† to make us rethink those gender roles through the events that occur during the plays and through their own complexity, providing interesting points of comparison and contrast between the plays and challenging audiences to think about gender roles in a new way. Both these plays are centered around married couples and are told from the perspectives of their respective female characters.In â€Å"Trifles,† we are introduced to Mrs. Wright and her fellow cast of characters a day after the murder of Mrs Wright’s husband. The play takes place after the fact, and much of the script is built around a conversation between Mrs. Hale and Mrs. Peters (women from the same rural town as the Wrights) about whether or not Mrs. Wright really committed the murder. The reader believes the entire time that she did, but is compelled to continue to find out why. â€Å"Trifles† is about a woman who murders her husband and two other women who lash out against their gender roles by withholding evidence from their husbands.Much shorter in length and lighter in tone than â€Å"A Doll’s House, with â€Å"Trifles† Susan Glaspell gets her point acro ss quickly, while Idsen takes his time in grinding his message home. In â€Å"A Doll's House† the critical aspects of the play are also divulged before the curtain is lifted. It is discovered that Nora, a woman who seems at ease with her gender role, has circumvented her husband’s will and has been paying off a debt behind his back for years, doing so as she resorted to having forged her father’s signature to help her get said loan.We further learn that she has no problem lying to her husband about this to preserve the peace in their marriage, Nora would rather Torvald continue to think of her as a â€Å"spendthrift† than as a woman in debt, causing the reader to feel uneasy with the assumption that she is your average housewife character. A particularly interesting comparison exists between these two women protagonists in that both of them are compared to birds. Torvald calls Nora his â€Å"lark† (Ibsen 1259), and Mrs. Hale openly says Mrs.Wright â€Å"was kind of a bird herself†(Glaspell 1054). While these seem to be innocent metaphors on the surface, darker tones soon overtake them as the plays progress—birds can be trapped in cages in the same way that women might be considered to be trapped into their gender roles, where their duties are not to themselves but to their husbands and children(Helium 3). We do discover this theme in â€Å"Trifles,† when a literal canary is found strangled and its dead body sewed in the pocket of a quilt—strangled by Mr. Wright and sewed away by Mrs.Wright, the same way Mrs. Wright’s spirit and free nature was discarded in order to serve her gender-assigned duties. Indeed, we actually see in her character a desire to serve those duties, a desire for children and to be a good wife through the descriptions we receive from Mrs. Hale, but these desires are denied by the cold, wintry spirit of one Mr. Wright. Mrs. Hale says as much to the County Attorney, Mr. Hen derson, when she says how she didn't think a â€Å"place’d be any more cheerful for John Wright’s being in it† (1051).And for the woman once known as Minnie Foster, it was that same man who eroded her until she no longer was one of the town girls as she had been thirty years before, no longer a woman who sang in the choir, her happy, hopeful spirit, gone. Her final comfort in that otherwise drained and dreary home was that little singing canary that she had bought a year before the events of â€Å"Trifles,† and whose death sets her off to finally murder her own husband by tying a rope around his neck killing him much in the way he killed the bird and her own spirit. This is a perfect example of something as wondrous as marriage gone horribly wrong.While Mrs. Wright lashes out against her perceived cage, her gender role, by killing Mr. Wright, Nora’s character ultimately decides to trip the latch, to fly free from the bars. Nora’s complex per sonality proves to be difficult to predict to the very end, when she decides to shirk her duties to her husband and children to focus on herself, to serve her own needs for individuality, a decision that was not entirely popular with readers and audiences alike. Indeed, Nora quite easily refuses to be the â€Å"doll† in Torvald’s house, and abandons her loving, though misguided husband, and her children.She feels driven to do this once she realizes that she and Torvald had never exchanged a serious word in their relationship, despite their discussion days earlier about Krogstad or about matters of money. But as Marvin Rosenberg writes in â€Å"Ibsen’s Nora,† it is the â€Å"humanizing faults that make her so exciting;† such as how she â€Å"munches on macaroons forbidden by Torvald,† and â€Å"when he discovers the sweets, she lies: her friend brought them,† or how, in response to her husband’s inquiry about the scratches on th e mailbox, she â€Å"absolves herself †¦ by blaming the scratches on her †¦ children! (Helium 2) But no matter the challenges they issue to usual gender roles, Nora’s actions are not crimes, not for the most part, although it is a crime that she forged her father’s name on the loan papers from Mr. Krogstad; however, it is unjust that is at the very heart of the challenges issued to Nora in â€Å"A Doll's House† that an otherwise harmless woman is forced to break what tradition would assert to be true and step out of â€Å"her boundaries† by doing so.However, it is not only Minnie Foster’s and Nora’s crimes that challenge such gender dynamics, but the actions and circumstances of their supporting casts as well. One example being that in at least one of the relationships in â€Å"A Doll House,† there is a complete reversal of typical gender assignments: it is exampled when Kristine Linde takes Mr. Krogstad’s job. Krist ine, a woman who proves herself capable of solving her own problems by herself—without any man’s aid—during the events events that unfold.Not only does she replace him at the bank where Torvald, Nora’s husband, is to serve as manager, but also later renews the relationship between the two of them from ten years prior and offers to work while he stays at home—at least during the outset of their relationship—because his taking the job back â€Å"benefits† no one (Ibsen1292). It was also she who fixed her family’s problems years before by taking it on herself to abandon her original relationship with Krogstad and marry a richer man, though she loved him not. Krogstad himself steps out of gender role when he accepts these ircumstances to fall upon himself—he does not care that he is, for the moment, not to be the breadwinner of the family: he cares only that he and Ms. Linde are at last reunited. Just as Ms. Linde and Krogst ad provide complimentary characters to go alongside Nora in challenging gender roles, the duo of Mrs. Hale and Mrs. Peters in â€Å"Trifles† perform the same task for Mrs. Wright (Helium 2). Together, these two women go about the home of the crime scene and discuss the case while gathering trinkets for the incarcerated Mrs.Wright—ignoring some judgmental comments from both the County Attorney and the Sheriff during the process—and as the duet go through the home collecting various â€Å"Trifles,† they begin realizing odd things: like how the quilt is knotted strangely or how difficult it is to imagine there being a bird cage in the home. Eventually, it is they, and not the Country Attorney and Sheriff, who discover the strangled canary and put together the pieces of evidence confirming Mrs. Wright’s criminal acts.What is more, they agree to hide the evidence away, even though Mrs. Peters is the sheriff’s wife. So not only do the women in â⠂¬Å"Trifles† solve the murder, but also protect one of their own in a way that influences the audience to think they do the right thing, even though that thing is protecting an admittedly sympathetic murderer. It is the actions of these secondary characters, women solving murders or women taking over the male duties of a family, that enable â€Å"Trifles† and â€Å"A Doll's House† to challenge gender roles.If it was only Minnie Foster and Nora that had set out to challenge the conventions, then neither play would be heralded so much for their feminist themes. It is because there are multiple characters in each play that convince the reader and the audience that what is being presented to them is realistic to life that these themes begin to be clear. The conclusion of Mrs. Wright’s criminal trial is never shown, so we don’t know if she was released from jail because of the lack of evidence against her—for all we know Mrs.Peters relented and ev entually tells the story of the dead canary to her husband the Sheriff. Nora’s destination after she departs Torvald’s home is also left in the dark, and we have no way of knowing if she finds what she is looking for. Because the readers begin to hope that these imaginary characters encounter success, their thinking may change; they may ponder in a new way about women’s rights and gender conventions and how the duties in marriage should not be assigned due to the apabilities of one sex or the other, but shared between husband and wife. This is certainly the most socially and politically correct way of thinking, though there are some schools of thought that believe, while both sexes are equal to one another in their humanity, each sex possess unique strengths and weaknesses and that therefore, gender roles, while they can be taken to an extreme, do have a positive place in society.This way of thinking suggests that the true beauty of gender interaction lies in th e differences between them, not in the lifeless â€Å"sameness† (not to be confused with equality) that is so naively sought after, and that the the abolishment of the positive dynamics that have existed between sexes simply because they’re â€Å"traditional†, and because this destruction falls under the very shaky moniker of â€Å"forward thinking,† will cause great harm.The audience of these plays however, begins to see the power of human relationships when these women try to solve their problems, without the help of men, on stage. And that is exactly how Glaspell and Ibsen wrote them to be seen—not as women, but as people. Those are the far-reaching effects that occur when we allow what we read, and see, to influence our thinking, and ultimately they are why â€Å"Trifles† and â€Å"A Doll's House† have become so renowned as plays that challenge gender

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Internet - Research Paper Example Rather it takes few seconds to draft a mail, get real time updates on employee performance, fetching financial information, etc. It has led to process automation. In other words it has become the most important resource in an organization. In the advent of globalization where organizations conduct business across a host of nations either through transnational or multinational entity, internet has become the most critical resource. Trade facilitation would not have been much effective had there been no internet. This has not only led to expedition of business processes, but it has simultaneously reduced the cost of operations. Organizations only incur the initial cost of setting up the process, but the long run cost of business is significantly reduced. Earlier organizations would incur significant printing charges, postal charges, high manpower cost, etc which has been almost reduced to zero or has become negligible after the implementation of internet. With growing competition, organizations want to enjoy competitive advantage and be on the top. This requires it to reduce its cost in order to earn higher profits. Internet has led the technological innovation in businesses around the globe. Organizational effectiveness and efficiency refers to the achievement of targets and objectives in less time and with optimum utilization of resources. Resources are limited and cannot be utilized in full capacity to meet strategic organizational goals. To ensure business sustainability, internet has become the most critical medium why organizations use it to run its business operations. It has become the most innovative medium through which information is communicated. It refers to the transmission of information and communication through electronic channel. Data and information has become the medium of exchange and might replace money in

Business decision making Assignment Example | Topics and Well Written Essays - 2750 words

Business decision making - Assignment Example During the research, the researcher primarily focussed upon factors that influence the purchase of consumer drinks such as, consumer profile, preference and attitude. In market research, especially in retail industry, the role of primary data is very crucial. Given the scenario, the data will be useful for determining the product’s potential market and support validity and reliability of the research report. The questionnaire in this research will have close-ended questions so that data can be generated from participants without any hassle. Furthermore, a close-ended questionnaire will minimise ambiguity and confusion on the part of participants as well as researcher. In addition to questionnaire survey, the researcher will also observe the participants through face-to-face interview. The interview will be semi-formal in nature, where the researcher will ask relevant questions in order to support data generated through questionnaire. The sole reason for selecting interview method along with questionnaire survey is to access consumers’ behaviour and attitude, which are generally not expressed verbally (Scandura and Williams, 2000). The questionnaire and interview methods are quite helpful for in-depth study and wide coverage. However, the methods can often prove time consuming and costly under certain circumstances. Personal interview involve direct interaction between participants and researcher, which may increase scope of personal biasness in the research process (Patton, 2005). A sampling technique forms the foundation of data collection method. There are mainly two kinds of sampling techniques; probability sampling and non-probability sampling. Keeping in view the project requirements, the researcher will implement probability sampling method such as, simple random sampling. Under simple random sampling, the researcher will select participants randomly so as to develop a rational

SARS Disease Essay Example | Topics and Well Written Essays - 750 words

SARS Disease - Essay Example During that period, he unwittingly infected others that in turn caused a series of SARS outbreaks in Toronto, Canada and other areas around the world. The transmission of the disease has been quick owing to the little immunity of people to the newly emerged corona virus. Moreover, it is seen to be most efficient in a health care setting, affecting the health care workers, patients and family members of infected individuals. The high infection rates among the health care workers have illustrated lack or failure to comply with the Infection Control (IC) measures leading to large-scale outbreaks (Shaw, 2006). The global spread of this epidemic has also demonstrated the challenge of battling infectious diseases in a globalized world. The forces of globalization-including rapid growth in international trade and travel have amplified their spread and impact ((Hoffmann, 2003) The sudden emergence and the rapid global widespread of this new infectious disease, which defies conventional therapies, poses a great threat to the public health and underscores an urgent need to develop robust strategies to prevent, monitor and contain the disease outbreak. Based on the Koch's postulates, SARS-Co V, the causative agent of SARS disease, was determined to be a novel member of the order Nidovirales, family Coronaviridae, and genus Coronavirus. It is a large, enveloped positive sense- single stranded RNA virus featuring a large genome of 29.7 Kb (Youjun, 2007). As with other coronaviruses, SARS-Co V can be identified on electron microscopy by the presence of a corona of large, distinctive spikes in the envelope (Thomas, 2003). Genomic annotations have revealed that it consists of about 14 functional open reading frames (ORFs). They encode for three classes of proteins: I) Two large polyproteins (pp1a and pp1ab), which are cleaved into 16 non-structural proteins, essential for viral RNA synthesis, II) Four structural proteins- surface (S), envelope (E), matrix (M), and nucleocapsid (N) proteins, vital for viral assembly, and III) Eight accessory proteins, which confer a selective advantage in an infected host cell. The initial binding of the viral envelope and the host cell membrane is mediated by surface protein (S) (Satija, 2007). With only 50-60 % nucleotide sequence identity of the SARS- Co V with other known coronaviruses, it is a previously unknown Coronavirus, probably from a non-human host that somehow acquired the ability to infect humans. Various studies have indicated that SARS-Co V spilled over from a wildlife reservoir (probably bats) to human population via an intermediate host and that rapid virus evolution played a key role in the adaptation of the virus to non-reservoir species (Thomas, 2003). The majority of infections occurred in close contacts of patients indicating that the transmission of the virus was by droplets or by direct and indirect contact. Epidemiological studies have shown that SARS is moderately rather than highly transmissible. However, in some instances, the so-called "super spreader" patients transmitted the virus to a large number of individuals. The outbreak of the infectious disease has been mainly attributed to these super spreaders and nosocomial amplification. The typical incubation period for the disease ranged from four to six days and the

Evolving Nursing Roles Essay Example for Free

Evolving Nursing Roles Essay The Institute of Medicine released a report in October 2010 that set out to answer the question, â€Å"what roles can nursing assume to address the increasing demand for safe, high-quality, and effective health care services?† . Three ways that the report suggests to do this are to utilize nurses to their full extent of education and training, a higher level of education for nurses and a stronger leadership role. . Nurses make up the largest segment of the health care workforce and have the capacity to positively impact healthcare in the future, especially with the changes coming from the Affordable Care Act. Nursing is one of the few professions that has several educational pathways to licensure. In order to qualify to take the NCLEX-RN exam, one can obtain an associate’s degree in nursing (ADN), a bachelor’s of science in nursing (BSN) or can complete a diploma program. â€Å"The primary goals of nursing education remain the same: nurses must be prepared to meet diverse patients’ needs; function as leaders; and advance science that benefits patients and the capacity of health professionals to deliver safe, quality patient care†. . While these goals are ideal, the educational road to get there can be streamlined to be less confusing and â€Å"to prepare nursing graduates to work collaboratively and effectively with other health professionals in a complex and evolving health care system in a variety of settings†. . New RNs are not always prepared for the job and there is a high turnover rate for â€Å"new grads†. Hospitals can help the transition by offering â€Å"new grad† or residency programs and longer orientation periods. RNs not only have to become efficient at the tasks of the job, but also be able to critically think a situation, delegate tasks to CNAs and LVNs, effectively manage time and become comfortable with communicating with doctors and other healthcare team members. The key is to better educate nurses both before and after licensure. . The Institute of Medicine’s report states that nurses are being underutilized. The changing healthcare system in the United States requires that â€Å"the system undergo a fundamental shift to provide patient-centered care; deliver more primary as opposed to specialty care; deliver more care in the community rather than  the acute care setting; provide seamless care†.. Gone are the days of just treating a patient in a hospital once he or she has become ill. Patients are being educated about disease prevention and health promotion in their communities, there is improved access to care for the poor and those in rural areas and there is hospice care available. Nurses are at the core of this shift and help to provide a high quality of care more safely and with fewer errors. With the shortage of healthcare providers, advanced practice registered nurses should be given more responsibilities and a broader scope of practice. Some hospitals and healthcare facilities are already making changes and are seeing positive results. The impact of employing nurses in a substantial way will continue to improve patient care and promote health and wellness; however there are some issues that will need to be addressed. It is true that nurses are capable of doing more with their experience, skills and education, but nurse to patient ratios is a major factor in why nurses aren’t doing more. It would be ideal if the nurse could provide care to a patient in the hospital, provide thorough education about the disease process and prevention, address any spiritual and social services needs and coordinate any home health or therapy requirements. However, with a nurse to patient ratio of 1:4 or 1:5 and several discharges and new admits every day, this is unlikely in the acute care setting. I strive to provide seamless care for my patients and give as much of myself and my time as I can, but I also have no choice but to rely on other sources, such as social services and case management. Unfortunately, many patients who need these services and who could benefit from more education do not get it because of time constraints. It is my hope that as this shift occurs, there will be fewer patients who need to be admitted to the hospital and there will be more time to provide patients with the care and information that they need. â€Å"Strong leadership is critical if the vision of a transformed health care system is to be realized†. . Nurses may not have originally thought they would be leaders when they entered the profession. Most likely they just wanted to help people. However, now more than ever, nurses have to become partners with other healthcare team members and help lead the way to reformed healthcare in the country. According to the IOM report, â€Å"being a full partner involves taking responsibility for identifying problems and areas of waste, devising and implementing a plan for improvement, tracking  improvement over time, and making necessary adjustments to realize established goals.† Nurses must use their leadership skills to work with others and advocate for their patients to make these improvements. Obtaining a higher level of education will assist students or RNs to develop leadership competencies and help them gain the confidence needed to work on these projects. References Creasia, J. L., Friberg, E. (2011). Conceptual Foundations: The Bridge to Professional Nursing Practice (5th ed). St. Louis, MO: Elsevier. The Institute of Medicine. (2010). The Future of Nursing: Leading Change, Advancing Health. Washington, DC: The National Academies Press.

Brain Mechanisms Controlling Drug Addiction Reinforcement

Brain Mechanisms Controlling Drug Addiction Reinforcement Discuss how theories relate drug addiction to endogenous brain mechanisms controlling reinforcement, and look at how these theories may be used to improve the effectiveness of treatment of addiction In psycho-biological terms addiction is regarded as the perceived need for a drug or substance and the potential for the subsequent re-use of that substance often manifesting itself in a pattern of drug induced behaviour. This has indicated a connection between the behavioural pattern of a user and the biological cravings that are associated with this pattern of behaviour. Due to this relationship between dependent and abusive behaviour patterns and the biological and psychological cravings for the wanted substances, research has gone into establishing the effects of drug addiction and their basis in psychology resulting in many neurobiological models. In terms of patterns of behaviour, operant conditioning provides a convenient, easy and reliable way of adjusting any subject’s pattern of behaviour under the conditioning of a controlled and changeable environmental. This has been conducted in research in an easily observable manner that was then able to account for factors pertaining to addiction and the potential for abuse through accordance to a pre-devised model. Through the notions of positive regard, response and reward and through shaping behaviours this could then be adjusted to test any independent variable. This acts as a convenient methodology for observing the effects of drugs and was devised by early Psychopharmacological researchers in a bid to examine the relationship between drug use and behaviour patterns. One such piece of seminal research that incorporated this relationship was conducted by Dews (1953). In his founding study, Dew began a program of operant studies in an attempt to observe the behavioural ef fects of drugs to see how it could act as a precursor for addiction. His initial experiments on the behavioural patterns observed in animals led to the establishment that a schedule of reinforcement maintaining a pattern of behaviour could play a critical role in determining the effects of a drug (Dews, 1955). Through operant conditioning and behavioural observation he was able to discern that the dose-effects of the drugs used in his experiment varied in terms of performances that were maintained under two different schedules of reinforcement. However, he was also able to observe that there was a dose range in which the rate of behaviour would increase in one schedule condition, whilst it decreased in the other condition. This was an early indication that drug addiction depended upon the schedule as much as it did the dosage. Essentially, addiction was determined by patterns of behaviour as much as patterns of behaviour were determined by drug usage. In these early experiments, Dew s was able to ascertain that stimulants would increase the probability of a pattern of behaviour as it pertained to the relevant classification of a drug. However, he was also able to note that the drug could decrease the probability of any given pattern of behaviour itself. This research indicated that there was a variety of concepts at play within the role of addiction, such as tolerance, abuse, dependency and reward. In contemporary research, we can see that these factors have been incorporated in an attempt to identify the mechanisms in the brain that lead to dependency, abuse and addiction through the parsing of reward. This was devised by Berridge et al (2003) as the investigation to find the neuro-pharmacological basis for three main psychological components essential to the parsing of reward and onset of addiction. These were the concepts of learning that included the explicit and implicit knowledge produced by associative conditioning and cognitive processes, an affect or emotion such as implicit liking and conscious pleasure associated with the experience of the drug, and motivation; suggested as the implicit incentive salient wanting and the accompanying cognitive incentive goals. Essentially, this three way split revealed that learning (Dews schedules of reinforcement), craving (the perceived effect of the drug) and habit (Dews patterns of behaviour) were the major contributing and operating factors in the role of addiction. Examining these three essential components, Franken (2003) was able to discern an attentional bias that indicated the need for relevant clinical approaches and treatments. It was concluded that cognitive processes would mediate between the drug stimulus or craving and the subjects learned response to the stimulus and subsequent behavioural response (e.g., drug use, relapse). It was revealed that a conditioned drug stimulus produced an increase in dopamine levels in the corticostriatal circuit, in particular the anterior cingulate gyrus, amygdala, and nucleus accumbens, which in turn served in drawing the subjects attention towards a perceived drug stimulus. This process resulted in a motor preparation and a hyper-attentive state towards drug-related stimuli that, ultimately, promoted further craving and relapse. This meant that craving was induced by stimuli rather than by a depletion of drug within the body’s circulation or the adherence to a schedule. The implications of thi s are that a person surrounded by stimuli is more likely to be susceptible to the biological onset of craving and subsequent abuse or relapse than those who are dependent upon a schedule of reinforcement and behavioural pattern. In subsequent research, the effects of a drug upon the user where tested against two groups; those of long term use and those of relatively short term use, in an attempt to see if there was a difference in the variation of tolerance, both cellular and behavioural. In a study conducted by Koob (2005) the immediate effects of drugs were compared to those observed after long-term exposure to see what role tolerance played. A neurobiological basis for drug dependence was proposed from the linkage between the cellular and behavioural effects of these drugs and the tolerance towards them. This meant that there was an inter-relation between behaviour and drug effect that could indicate drug dependence and subsequent treatment strategies. Although there appears to be a relationship between the behaviour patterns of drug taking and a neurobiological basis for drug dependency that may indicate areas of potential treatment and areas of potential relapse and abuse, it would appear that this is based primarily on a system of perceived reward. However, earlier research has indicated a system that does not depend upon reward. Research by Koob et al (1998) suggested that it was drug ‘seeking’ that was associated with activation of reward neural circuitry. Whereas, drug addiction in its entirety involved a dark side defined as a decrease in the function of normal reward-related neuro-circuitry and persistent recruitment of anti-reward systems, drug abuse did not. They proposed that understanding the neuroplasticity of this dark side of the circuitry could be the key to understanding the vulnerability to addiction. This research can be seen as a way of indicating the effectiveness of the potential to relapse after the successful treatment for drug addiction as well as a way of determining the neurobiological potential for drug addiction. >From these studies, we can seen that drug addiction is linked to the neurobiological system of the brain that in conjunction with environmental factors such as stimuli, behavioural factors such as schedules, and cognitive factors such as reward, can be identified and treated through the addressing of reinforcements and their relation to cravings and dependency. Bibliography Berridge, K, C., Robinson, T., (2003) Parsing reward. Trends in Neuroscience. 26, 507- 513. Dews, P.B. (1953) The measurement of the influence of drugs on voluntary activity in mice. British Journal of Pharmacology, 8, 46-48. Dews, P, B., (1955) Studies on Behaviour. Journal of Pharmacology and Experimental Therapeutics, 113, 393-401 Franken, IHA., (2003) Drug craving and addiction: integrating psychological and neuropsychopharmacological approaches Prog. Neuro-Psychopharm. Biol. Psych, 27, 563-579 Koob, G, F., (2005) The neurocircuitry of addiction: Implications for treatment. Clin. Neurosci. Res., 5, 89-101 Koob, G, F., Sanna, P, P., Bloom, F, E., (1998). Neuroscience of addiction. Neuron, 21, 467-476.

Green Energy Means Renewable Energy Environmental Sciences Essay

Green Energy Means Renewable Energy Environmental Sciences Essay Green energy means renewable energy that is vast alternative for the use of fossil fuels such as petroleum. Other conventional method used to provide electricity is such as geothermal, biomass, ocean, solar, wind, hydro, hydrogen fuel cells and etc. Biomass energy is derived from the wastes and animal dung either by burning it or just leaving the wastes to lay off by itself to get biofuel or biogas. Ocean energy is gained from the sea and there are two types of them such as thermal energy and mechanical energy. Hydrogen must go through reformation process or electrolysis process to be able to use for the fuel cells to provide electricity. The objective of the project is to choose seven types of renewable energies and explain its applications and advantages in detail. 1. Introduction Green energy is sustainable energy, which means meeting the needs of the present without compromising the future[2]. These alternative energy sources are said to be not harmful to humans and environment and also arenon polluting energy sources. It basically reduces pollution and the impact on the environment that the existing energy source is causing now and in the past by conventional energy sources such as fossil fuel, coal and wood. These are non renewable energy sources, also known as the brown energy[1]. These sources are mainly used in the production of electricity, heating and fuel for boilers. They cause excessive amount of pollutants, such as carbon monoxide and nitrogen oxides, together with particles that could harm humans. These pollutants are the main contributors to the greenhouse gases that cause global warning. Brown energy are also types of sources that are typically reducing on our earth, which means it could not be re-produced to be used in future. The main aim for this study on green energy is to literate the reader on what is green energy and the importance of these energy to substitute our current conventional energy resources. These report is also to identify the main types of green energies available for the current technology practised in our world today with the history of energy development that brought to the practice of green energy. 2. Green Energy Sources of green energy come from the nature itself, being free to be harvested. They are mainly derived from the sun (solar power), wind and water. Wind turbines have been used since old times to grind grains, where the term windmill is derived from. A more expensive source would come from nuclear and bioenergy (biofuel and biogas). Nuclear power is also categorized in green energy as it does not produce greenhouse gases. Waste from nuclear power plants are problematic and dangerous to be handled as it takes hundreds to thousands of years to decay before reaching the level that is not harmful to humans, plants and the animals. But in order to completely wipe out the usage of fossil fuels to produce electricity, the number of nuclear plants has to be increased so that greenhouse gases emissions can be cut down massively.[3] Energy from sun, wind and water are continuous but inconsistent. Rainy days that could affect solar power production and droughts that would affect water levels in dams are the main drawbacks of these energy sources. As renewable energy is sometimes inconsistent, excellent storage capacity is needed to store energy that are produced. It is usually windier in the night time, but the demand would be lesser. Nuclear plants generate so much power at a particular time that they cannot be used at once. So large battery banks are required in order to mesh with the electricity system and provide a consistent power supply. 2.1 History of Energy Development The history of energy consumption of human being dates back to 3000 BC where the Mesopotamians used petroleum to caulk ships and to build roads. Coals were used during the Bronze Age to heat up iron and shape them, as well as in the Roman culture. This long history of non-renewable energy usage has urged the emergence of green energy to replace them in order to keep the future generation safe.[4] 2000 B.C. Crude oil was used to light lamps and heat up homes by the Chinese. 200 B.C. Salt produced from brine using natural gas from underground by Chinese. 600 B.C. Static Electricity found by Thales of Miletus by rubbing amber. 250 400 A.D. First water-powered Mills built by the Romans 600 A.D. Greek Fire was invented by the Persians and Arabs, a form of burning liquid used greatly in the Byzantine Empire as weapon. 500 900 A.D Windmills were built to pump water and grind grains by the Persians. Late 1500s Coal was imported greatly by US, up to 108,000 tons until the 1800s. 1700s A kite that transmitted electricity through its wet cord was found by Ben Franklin. A breakthrough in electricity discovery. 1800-1826 US had the first electric utility. Mid 1800s-1950 Wood as the primary source of fuel, but decreased after the shift back to coal. 1870-1880 Gas and alcohol using first combustion engine. First U.S. power plant to produce electricity opened (Thomas Edisons Pearl Street Station) 1888 First wind turbine generating electricity in Cleveland, Ohio. Early 1900s Geothermal used to produce electricity commercially by the Italians 1938 Nuclear Fission discovered by the Germans. 1940-1950 The Atomic Energy Act implementation and the first electricity were produced by using nuclear power. 1950s First silicon solar cell was invented (solar photovoltaic). 1960s National Environmental Policy Act and Clean Air Act in US implementation to protect the environment and reduce pollution. 1970s Department of Energy (DOE) were formed. Water from power plant was controlled with Clean Water Act in 1972. 1974 Development of renewable energy was initiated and supported by the National Renewable Energy Laboratory. 1980s First wind farm built in the United States.2.2 Giga watts of power produced in California. 1990s Natural gas was used in almost 50percent of homes in US for heating. Towards the Greener Solution Till 2007, 24 states adopted policies for increasing the production of renewable energy. 2.2 Importance of Green Energy Research from scientific evidence are showing that what this present generation is doing will impact the environment in the next 50 100 years. The fact that only one earth is known by human being urges government and private sectors to find solutions to reduce pollution and having a lifestyle that is more eco-friendly. A few reasons on why green energy is important. Non renewable fossil fuels burning are causing greenhouse gases that cause global warming. Carbon dioxide, methane and nitrogen oxides are released into the atmosphere, dissolving into raindrops and causing acid rains. Acid rains damages crops, plants and forests. Aquatic organisms are also affected by this as lakes and rivers pH levels are altered. Human built structures such as steel bridges, marble statues and limestone buildings are being eroded by acid rain.[10] Figure 3 is a pie chart showing the anthropogenic greenhouse gas emissions in the U.S. by gas type. Fossil fuels such as oil and coal are also supply that is not endless. Sooner or later the supply will vanish and unavailable for future generations. Wind, water and solar energy are constant, sustainable and 100 percent clean energy. It does not cause negative impact on environment such as pollutant and waste. This energy type is free as well. Humans would benefits in health as reduced pollutants would provide cleaner and more breathable air. Lands would be saved as waste management is not necessary. Cleaner water for domestic usage and aquatic organism a would be available. Jobs opportunity would arise in rural areas as most renewable energy plants are located far from cities. Regional development also would benefit from this.[8][9] 3. Types of Green Energy 3.1 Biomass Biomass is derived from farm wastes, animal wastes, plant oils, crops and some kind of garbage [11]. Energy that is generated from the wastes is called bio power or bioenergy [11]. Biomass can be processed further to obtain biofuels or burned directly to obtain bioenergy[11]. The energy obtained from burning the wastes can be converted into heat, electricity and mechanical energy [1]. 3.1.1 Types of biofuels Solid form its obtained from the burning of organic material such as animal wastes, wood, grain and other types of garbages [11]. Liquid form- its obtained straight from the plant and does not involves any burning of material [1]. Biodiesel can be taken as an example for this type of form. It is extracted from vegetable oils or animal fats [11]. Gas form its obtained from organic waste such as dead plant and animal wastes when the organic material breakdown naturally without the need of oxygen [12]. Biogases consist of methane that is essential in terms of natural gas [12]. 3.1.2 Application of biomass Widely used in transportation in the form of gases Electricity generation plants Gas produced from the biomass gasifier must be cleaned first before cooling it down and use it as a fuel to run an IC engine that is coupled together with the generator [13]. Heat application Biomass is used as a fuel to provide energy for the fuel-fired furnace that is often used for high end outputs such as[13 ]: Forging furnace Ovens Kilns Dryers Small boilers Direct fire process heater Re-rolling mills 3.1.3 Benefits of biomass energy Biogases that are used as fuels gives more mileage for cheaper price compared to fossil fuels Energy from biomass has got no ending to it since human throw wastes in daily basis and animals also constantly produce muck Energy gained from burning the wastes releases carbon dioxide to the atmosphere and the carbon dioxide that is released from the burning is useful for the plants in terms of photosynthesis process. Each country has their wastes in terms of plants, animals dung and garbages, these materials is available locally. This can reduce the need for foreign investors in the country thus improve the nation economically as well Biomass in mass production can reduce the increase in global temperature significantly. 3.2 Ocean energy Ocean energy is gained from the sea. There are two types of energy gained from the ocean such as thermal energy and mechanical energy [15]. Thermal energy is gained by the difference in temperature between the warmer surface of the ocean and the deep cold ocean water [15]. Mechanical energy is gained from tidal and wave that is used to rotate the turbine to provide electricity in most of the power plants available [15]. 3.2.1 Types of energy gained 3.2.2 Thermal energy The difference between the temperatures should be around 38 Degree Fahrenheit in order to build a power plant that can fully utilize this temperature difference to make energy [16]. There are 3 types of cycles involved in electricity conversion system from the heat energy such as: Closed cycle The heat at the surface of the ocean water is used to vaporize an ammonia type of fluid which has low boiling point and the vapor expands to turn the turbine to produce electricity [15]. Open cycle The sea water in this case is kept at low pressure in order to force it to boil at low temperature and the steam produced from the sea water is then used to rotate the turbine to activate the generator to produce electricity[15]. Hybrid The combination of both open and closed cycles is used to rotate the turbine in a most economical way [15] 3.2.3 Mechanical energy Tidal energy its gained as the earth rotates and the gravitational pull of the moon. The principle of tidal energy is when the tides is at high point the water is trapped in the dam and as the tides began to reach the low point, the trapped water is released to rotate the turbine at high speed to generate electricity[15]. The concept is similar to hydroelectric power plants [6]. Wave energy Existing kinetic energy from the movement of the waves is used to power up the turbine [15]. The concept is simple that the waves from the ocean comes into the chamber from the right, as the rise of the waves will force the air to release from the chamber and the released air is the one that will rotate the turbine to provide electricity as shown in the figure 1 below[16]. The higher the waves, higher are the rotation of the turbine. http://www.energyquest.ca.gov/story_old/images/chap14_wave_2007.gif Application of wave energy [16] 3.3 Hydrogen and fuel cells energy Hydrogen best identified as the simplest component [18]. One proton and one electron are the sub elements inside an atom of hydrogen [18]. It has a limitation is that it doesnt appear by its own in the earth. Hydrogen atom always combined together with other elements such as water [17][18]. The molecular weight of hydrogen is 1kmol and the lightest weigh among all the other natural components available in earth. Hydrogen can be separated from hydrocarbon by heating process and this is called reformation process [18]. Electric current also used to separate hydrogen from water and the separation process is called electrolysis [18]. Fuel cells function is to convert hydrogen to electricity directly without any other processes in between [18]. Reformation of methanol, gasoline and natural gas can provide hydrogen for the usage of fuel cells [18]. Methanol can be used directly for some fuel cells without any reformation process [18]. 3.3.1 Applications of hydrogen and fuel cells NASA used liquid nitrogen as a fuel for the space shuttles and other rockets. Liquid nitrogen does not emit any harmful material after the combustion [18]. The product of the conversion by hydrogen fuel cells is pure water that is used as drinking water by the astronauts [18]. Hydrogen powered vehicles is among the growing applications of energy since hydrogen fuel cells capable of providing power for buses[21]. Fuel cells also can provide electricity for a residential housing area that is big as a traditional AC unit [21]. It can operate 24 hours a day and 7 days a week. 3.3.2 Advantages of fuel cells Efficient conversion of energy from hydrogen to electricity without any combustion taking place and the byproduct is water[19][20] The noise level created from an operation of a fuel cell relatively much more quiet than the conventional motors[20] Easier maintenance since less moving parts[20] Life span is longer than a battery since it has no memory effect when its refueled[10] The source for fuel cells are hydrogen and it is available with water[20] Can reduce the nations usage of fossil fuels since fossil fuels come at higher price than hydrogen that is naturally available in the earth [20]. 3.4 Geothermal Energy Geothermal energy is a form of thermal energy stored by generation of heat from radioactive decay of minerals occurring inside the earth (80 percent) and from the original formation of the planet (20 percent).[6] Due to the temperature differences between the earth core and surface, continuous heat transfer occurs from the core to surface. Radioactive decaying of natural materials such as uranium and potassium that occurs at the core creates a temperature reaching over 5000 degree Celsius and very high pressure.[7] This high temperature and pressure causes melting of surrounding cooler rocks and these results in the formation of magma. This magma then heats up the rocks and water in the crust which can go up tp 370 degree Celsius.[6] In the range of 10kilometers of earth surface contains heat energy that is 50000 times more than all the oil and natural gas sources in the world.[7] The typical place that usually spots geothermal activities is regions with active volcanic activities. T his usually occurs at places where the earth crust is thin enough to let the heat out. Earthquake and magma movements breaks up the rocks covering and allows water to circulate, producing natural hot springs and geysers as the heated up water reaches the surface. As these hot and pressured water forms a reservoir type of containment underground, wells are usually constructed to harvest electricity or heat. 3.4.1 Applications Steam produced from the reservoir containing pressured and hot water are usually used to power turbines in power plants that generates electricity (Steam Turbine), while other power plants uses the hot water in the reservoir to boil a working fluid that vaporizes and moves a turbine. Heat produced by hot water near to the earth surface can be directly used for heating purpose. The applications that utilizes these direct heat includes heating buildings and homes purpose, growing plants in greenhouses, drying crops, heating water at fish farms, and also in pasteurizing milk processes at milk industries. This is done by using geothermal heat pumps. There is also formation of hot dry rocks, usually 4-10kilometers from earth surface. Technologies is existing to inject cold water onto these hot dry rocks, circulating them through the cracks of the rocks and drawing back the heat from another well located at the end of the water circuit.[5] http://www.bbc.co.uk/schools/gcsebitesize/science/images/131_geothermal_energy.gif Water pumped down through injection well and collected at production well. http://www.ucsusa.org/assets/images/ce/geopower3.gif How geothermal heat used to power turbines. 3.5 Hydropower Hydro means water, so hydropower basically is the power that derived from the force of moving water and generates electricity at damn by water falling throughout the turbines. [22] The fall of water and movement is part of a constant ordinary cycle known as water cycle. Water in the earths ocean and rivers evaporates by energy from the sun and draws it ascendant as water vapour. Once the water vapour reached the cooler air in atmosphere, it automatically abbreviates and forms as clouds. [23] Hence, the moisture fall to earth as rain and fill the water in oceans and rivers. The moving of water from higher ground to the lower ground with the gravitational force and it drives the water extremely powerful to assist generates electricity for daily usage of human being.[23] Hydropower is a one of the worlds biggest source of renewable energy and play important role or facing challenges during period of climate vary. [24] Hydropower also is considering clean energy source because it does no t release any toxins to damage the environment. [25] Figure 3.1: Water cycle diagram 3.5.1 Types of Hydropower Hydropower is primarily used to generate electricity. There are few types of hydropower which is common usage in world. Micro hydro: provide few hundred kilowatts to remote villages, homes and small industries.[26] Pumped-storage hydroelectricity: stores the water that has been pumped during low demand and generates it when demand is high.[26] Run-of-the-river hydroelectricity: it will capture the kinetic energy in rivers without using dams.[26] Conventional hydroelectricity: power comes from the potential energy of dammed and water drives the turbine to generate electricity.[27] The most common type of hydropower that has been used is conventional hydroelectricity known as hydroelectricity power plant which is uses a dam on a river to store water in a reservoir. This power station is usually placed in hill areas so can build dams easily and can obtain larger water reservoir and generate huge quantity of electricity. [28] 3.5.2 How is hydroelectricity power produced?http://cwc.gov.in/Kids%20Corner_files/hydropower.gif Figure 3.2: Simple Hydropower station diagram In hydropower station, the potential energy that stored in body of water at a given height is converted to kinetic energy which is used to rotate the turbine and produce electricity. [28] In the generation of electricity by using hydroelectric power, water is accumulated or stock up at higher level and guide descending through large pipes to lower level known as penstock. [29] Once the water reaches the end of the penstock with higher pressure it will hits and drives the turbine to create mechanical energy from kinetic energy. Turbines rotate the connected to shaft which is turn the generator and change mechanical energy to electrical energy. [9] Inside the generator there is rotor that covers by turbine. Large electromagnets are attached to the rotor located within coils of copper wires called as stator. Flow of electrons is formed in the coils of stator when a generator rotor spins the magnets. [31] This produces electricity that can be step up in voltage through the station transformers and centre cross transmission lines. Therefore, transmission line conducts electricity from hydropower plant to the distribution system. There are certain advantages and disadvantag es of using hydroelectric power station: Advantages It is constantly renewable remaining to the habitual nature of the hydrologic cycle. The water that been used for generation of electricity can be utilize for irrigation, boating and fishing, kayaking and etc. Fuel is not burned so there is minimal pollution and no waste is produced Using water to run the power plant that provided free by nature Disadvantages Only at limited places hydropower plant can be constructed. Dams are expensive to build. Possibility of dam collapsing 3.6 Solar energy Solar energy is the radiant energy emitted by the Sun that is converted into thermal or electricity energy for homes and industry usage. The amount of energy falling on the earth is given by the solar constant, but very little use has been made of solar energy. [32] Renewable and sustainable energy source such as solar energy make use of it around the world to produce electricity for number of different purpose and its use is both environmentally-friendly and cost-effective over the long term. There are varieties of technologies that have been used to take benefits of solar energy. Types of technologies such as photovoltaic system is common have been used to develop solar energy for daily and powering numerous applications. [33] Photovoltaic system (PV) is solar cells or panels directly convert sunlight into electricity. [34] The conversion of sunlight directly into electricity (DC) will be done by solar cells. Electricity from solar cells is stored in the battery for instant or future usage and where an inverter is required to change the Direct Current (DC) to Alternating Current (AC) to power the most AC appliances. [35] Photovoltaic system solar cell made of semiconducting materials that related to those used in computer chips. Once the rays are engaged by these materials, the solar energy knocks electrons loose from the atoms, via allowing the electrons to flow through the material to produce electricity. This process of converting light (photon) to electricity (voltages) is called as photovoltaic (PV) effect. [36] The simple of photovoltaic (PV) system illustrated in figure below that can explain about it.A diagram of how the components of a PV system interact with each other. Figure: Simple Photovoltaic (PV) system with components The electricity that generated can be stored or directly utilize by photovoltaic standalone system, or a huge electricity grid powered supplied by central generation plants (photovoltaic grid-tied system), or else joint with single or numerous domestic electricity generations to supply into small grid (photovoltaic hybrid system). [37] Supplying of DC and/or AC electrical load that operate independently of the electric utility grid is designed by standalone photovoltaic system. Direct-coupled system is of the simplest type of standalone photovoltaic system that the DC output of a module or array is directly connected to a DC load (figure). [38] When there is no electrical energy stored in batteries in direct-coupled system, the load can operates during the sunlight. So, common applications that used for example water pumps, ventilation fans and small circulation pumps for solar thermal water heating systems are appropriate. [38]A diagram of a stand-alone photovoltaic system. Figure: Direct coupled PV system Hybrid system only integrates more than one generating source, which may use an engine-generator, wind, or utility power as a supplementary power source. Initially the battery store is recharged by the photovoltaic system once insufficient the generator charges the batteries. Solar Hybrid System Figure: Photovoltaic hybrid system Grid tie photovoltaic system is deliberate to work with utility grid power. Direct Current (DC) power from the Photovoltaic array into Alternating Current (AC) power is converted by the inverter. AC appliances or local utility company can make use of the direct AC power.Solar Grid-Tie System Figure: Photovoltaic Grid Tie system 3.7 Wind Energy Wind energy is the renewable power or energy which comes from the air that flowing across the earths surface. Wind energy is a converted form of solar energy. [40] Wind is exist due to uneven heats of the atmosphere by sun, the irregularity of the earths landscape and rotation of the earth.[41] Movement of air from region of higher pressure level to region of lower pressure level is also known as wind. When hot air increases, the atmospheric pressure will reduce at earths exterior, and the cooler air will travel in to fill up the void. In fact, flow of wind patterns are personalized by earth landscape, vegetative cover and bodies of water. One of the fastest growing sources of electricity and fastest growing markets in the world today is wind energy because is green power, sustainable, affordable, and economic development. [42] In wind turbines there are consist of horizontal and vertical axis wind turbines been designed for rotation function. 3.7.1 How a wind energy or wind turbine is work? Terms of wind energy or else wind power illustrate the generation of mechanical power or electricity by using wind. Air has mass when it is in motion, and it contains the energy of that motion, known as kinetic energy. [40] Therefore wind turbines are usually use to harvest the kinetic energy and convert it by using inverter into utilizable which can provide electricity for home, business applications and for sale to utilities. Wind turbine also produce mechanical energy that harvested from kinetic energy to drive machinery, for instance grinding grain and pumping water, the device called as windmill or wind pump in rural place. wind energy diagram Most common method to generate electricity is by using wind turbines. Figure 1 is explaining the simple understand on working principle of wind turbines. Explanation from the figure 1, wind will turn the large turbine blades; the turning energy will spins a generator shaft and produces electricity. The electricity that produced by wind turbine is Direct Current (DC) and it cannot use because household appliances and use Alternating Current (AC). Hence, inverters connect to wind turbines to the mains power of a building and used to convert the DC electricity into useable AC electricity. [43] Small-scale of wind energy does not use inverters, as an alternative using the wind energy electricity can be charge batteries, connected to buildings main power or else connected to national power grid. [44] Advantages There are no fossil or fuels required to generate electricity [45] Wind energy does not pollute at all so does not harm environment or discharge any toxic gases[7] Wind energy directly can be used as mechanical energy[47] Disadvantages Once there is no wind, solar energy or geothermal energy use as alternative way to generate electricity [48] Need expensive storage throughout peak production time.[49] Requires large scale area to build wind farm.[49] 4. Conclusion Green energy is the only visible solution so that the future generations are not compromised