Psycology Analysis of Stephen Hawking

I chose Stephen Hawking to write about for my case study because I have always found him extremely interesting. As a fellow atheist he has come pretty outstanding scientific theories on how our universe came about, none of which are attributed to some fictitious being. I am also inspired with the amount that Hawking has done so far in his lifetime. All this has been done in spite of, or because of, having ALS. As a medical professional I am in awe of the things that he has accomplished.Stephen William Hawking, born in 1942 is the eldest of Frank and Isobel Hawking’s three children. Mary was born in 1943, Philippa was born in 1947, and Edward was adopted in 1956. As a newborn Stephen first lived in Northern London. Hawking’s parents where themselves quite accomplished, Stephen’s father was a respected medical researcher in the specialty of tropical diseases, while his mother was one of Oxford’s first female students. When he was just two weeks old Stephen w as almost killed when a V2 rocket damaged the Hawking’s home while they were away.This is when the Hawking’s moved to Oxford in order to avoid the attacks by the Luftwaffe (the aerial warfare branch of the German Armed Forces) and to provide a safer environment to raise their growing family. In 1950, when Stephen was eight years old he and his family moved to St Albans in Hertfordshire. As a child Stephen was awkward and small for his age. His teachers thought he was bright but he did not stand out as being very far above his classmates in elementary school. At one point in school he was third from the bottom of his class.He did enjoy creating games with his friends. They would come together at the family home on weekends and holidays to play. Stephen would create many of the rules and the games would often be so complex that one turn could take an entire afternoon. At the local public high school, the gauche, lisping Hawking was persecuted as a swot, which is a person that devotes themselves solely to their studies and avoids social diversions. He avoided team sports and pop music for a world of jazz, classical music, and debating. I think that these tendencies point toward him being an introvert.Stephen had always shown an interest in science. After graduating from high school he enrolled himself at Oxford. There was no mathematics offered at the time, so Hawking chose Physics as his major. During his time at Oxford Stephen also showed great interest in Thermodynamics, relativity and quantum mechanics. He received his B. A. degree from Oxford University, in 1962, after which he enrolled for studying astronomy. Stephen met his wife Jane Wilde, a languages undergraduate at a New Year's party in 1963, while studying at Cambridge, they were married in 1965.He was named a fellow of the Royal Society at the age of 32, and later earned the prestigious Albert Einstein Award. In 1975 he traveled to Rome, where he was honored with the Pius XI Gold Medal for Science from Pope Paul VI. In the 1980s Hawking answered one of Einstein's unanswered theories, the famous unified field theory. Hawking published his first book, The Large Scale Structure of Space-Time in 1975, rocked the physics community by examining and expanding on Einstein’s General theory of relativity, and the general structure of space and time. In 1988 Hawking, published A Brief History of Time.A short, informative book, that became an account of cosmology for the masses. Spending more than four years atop the London Sunday Times' best-seller list, it has sold more than 25 million copies worldwide and has been translated into more than 40 languages since its publication. In September 2010, Hawking spoke against the idea that God could have created the universe, stating, â€Å"Because there is a law such as gravity, the universe can, and will create itself from nothing, Spontaneous creation is the reason there is something rather than nothing, why the universe e xists, why we exist. Along with his brilliance, Stephan Hawking is also well known for the length of time that he has been afflicted with Amyotrophic Lateral Sclerosis (ALS) otherwise known as Lou Gehrig’s disease. He was diagnosed at age 21 while studying cosmology at Cambridge. Hawking's disease helped him become the scientist he is today. Prior to receiving the ALS diagnosis Stephen Hawking hadn't always focused on his studies. â€Å"I was bored with life before my illness,† he said. â€Å"There had not seemed to be anything worth doing. Realizing that he may not live long, Doctors giving him only two years to live, Hawking threw himself into his studies, and his research. He has astounded doctors by far exceeding this expectation. Hawking's ability to communicate had been dwindling for years, until in 1985, due to an emergency tracheotomy, he lost his voice completely. Hawking caught the attention of a California computer programmer who had developed a speaking pr ogram that could be directed by head or eye movement. This allowed him to select words on a computer screen using a handheld clicker.They are then passed through a speech synthesizer. Today the program is controlled by a sensor attached to his check, due to the amount of control that has been lost in his body. Stephen Hawking’s adult life has been an example in motivation. His disease has pushed him to achieve things that others would not have found possible. ‘The realization that I had an incurable disease that was likely to kill me in a few years was a shock,' he recalls. ‘How could something like this happen to me? ‘ stated Hawking.He has often been quoted as stating that his disease has been the driving force behind his work, because not knowing how much time he would have before he died has made him want to achieve as much as possible in whatever short amount was left. I think that using Erik Erikson’s work on psychosocial development you can see that the autonomy Hawking was given as a child to be as creative as he wanted paved the way for Stephen’s ability to create his phenomenal theories as an adult. I don’t think that Lawrence Kohlberg’s stages of moral development can be applied here because there is no documentation of any moral dilemmas in Hawking’s past.Maslow’s hierarchy can be applied though, even in the stages of life that Hawking is confined to a wheelchair. As a very young child, Hawking’s parents strive to achieve a safe environment that will protect him from the dangers of world war two. They do this by moving the family multiple times. I feel that through the creativity and publications that Hawking has done he has achieved the final portion in Maslow’s Hierarchy, self -actualization Using the humanistic approach, it seems to me that Stephen Hawking used the enthusiasm with which he increased his education as a means to help him cope with the diagnosis that h e received of ALS.This in turn made him a successful physicist. By vastly increasing the education he received, he was able to advance his career. This increase in his research also allowed him to feel as if he was contributing to society. By offering so much to the public he has shown himself that, although his body is frail he is very much able to be productive. By doing this it reinforces his feelings of self-worth. We, as humans have the need to be needed, and in turn the want to be appreciated for the things that we achieve. Stephen Hawking has many astounding, mind blowing theories in publication.All this has been done though the advancement of his disease, and due to his original diagnoses. It seems that the motivator for Mr. Hawking is the need to do as much as his failing body will let him in whatever time he has left. To me, the statement â€Å"You can’t understand others unless you understand yourself†, means that in order to help others, you need to know wh o you are as a person. Even though I don’t really understand psychology, I feel that if you are going to try to psycho-analyze another person, you need to have done so to yourself. There are definitely applications for psychology in my work life.Since I am a pediatric nurse working towards my BSN I use Maslow’s hierarchy of needs on a daily basis. There is always the need to ensure that an infant’s need for physical well-being and comfort is met before you can work on making sure that the age appropriate milestones are being reached. With children, if you address their need for independence, they will be your best friend, and allow you to perform the many tests that are required during their visits. I have learned many things during this class. The biggest thing that I have learned is about my personality type.Although I was not exactly correct about what I thought about myself, I was pretty close. This helps me to know that I know who I am. This in turn lets me know that I am fully equipped to help my patients. References Stephen Hawking (2006) Retrieved June 3, 2012 fromhttp://www. csupomona. edu/~nova/scientists/articles/hawk. html Stephen Hawking Biography (n. d. ) Retrieved June 3, 2012 http://lifestyle. iloveindia. com/lounge/stephen-hawking-2668. html Master of the Universe (Robin McKie, 2001) Retrieved June 3, 2012 http://www. guardian. co. uk/education/2001/oct/21/highereducation. cademicexperts Psychosocial Theory: Erikson (Davis & Clifton, 1995) Retrieved June 3, 2012 http://www. haverford. edu/psych/ddavis/p109g/erikson. stages. html Theories of Development (Crain, 1985). Editorial board Words of Wisdom (2011) Introduction to Psychology Stephen Hawking. (2012). Biography. com. Retrieved May 26, 2012 from http://www. biography. com/people/stephen-hawking-9331710 Stephen Hawking Biography (2010) Retrieved May 26, 2012 from http://www. notablebiographies. com/Gi-He/Hawking-Stephen. html#ixzz1vzRLUH5F About Stephen Hawking (n. d. ) Retrieved May 26, 2012 from http://www. hawking. org. uk/about-stephen. html

Pope

The text under analysis â€Å"Doreen Pope† is a type of publicistic writing, feature article. The author M. Loudon managed to make this text informative and entertaining for the reader. The article concentrates on an Interesting theme. The theme of the article is about the role of a teacher in the system of education in GB. The author embodies the theme into incomparable character. The story reveals the image of ideal teacher. M. Loudon convinces us of the importance of the teacher's role for children.This important idea that the author expresses in the process of developing the theme is he message of the story. The theme is organically connected with the message. And M. Loudon places the maln point very appropriately. It has a complex character Is created with the help of interaction of implications and develops further. Sufficient arguments, details and examples support the main idea. â€Å"Miss Pope was an enormous success with the children because she had a genuine affini ty with them.She also had an unpretentious disregard for the formal†. The author uses references effectively and her reasoning sounds very logically and convincing. â€Å"Miss Pope believed that children only learnt self-worth and corporate responslblllty through ecognition of their gifts, however insignificant they might have seemed in scholastic terms: so while she was appreciate of talent and enthusiasm, it was those who were shy. or obstreperous. or who found reading or writing Is difficult, which whom she spent the most time. Such cohesive devices as â€Å"practically, so, also, indeed, Just, however† within the paragraphs and the repetition the main character's name between them catch the reader's attention, give more prominence to the words. Implication is conveyed by different techniques, artistic details, arrangement of plot structure and images. With the help of it the writer achieved her main purpose. M. Loudon Informs the reader about educational system In GB, convinces us of the importance of the role of a teacher. She makes us feel sympathy to the main character and respect her strong personality.M. Loudon reminds us about eternal values and morals In our life. The style of presentation of these ideas Is appealing and appropriate for the situation. â€Å"Practically, no one reading this will have of Miss Pope. Her greatness is no obvious and it has never been documented. † using not very formal style the writer involves us to the situation, Invites to an open dialog, creates ree and trust atmosphere. The author's attitude to the character determines the tone of the story. Tone expresses the relationship between the author and the character.It Is sympathetic, cheerful, and enthusiastic. M. Loudon resorts to emotionally colored words, such as â€Å"cheerful†, â€Å"Jolly†, â€Å"brisk†, â€Å"great†. An extensive Image of the character Is created by similes â€Å"Miss Pope and Sheena as the Madonna and Child in Renaissance Europe† epithets: â€Å"wholesome woman†, â€Å"unobtrusive clothes†, â€Å"sensible shoes†, â€Å"affectionate woman†, â€Å"Insatiable sense of humor†. Metaphors: â€Å"she never lost her cool†, antitheses: â€Å"from sunny hildhood to dark adolescence† Intensifiers, such as: â€Å"completely different tot us†, â€Å"such an aloof dog†.Polysyndeton: â€Å"she had an insatiable sense of humor and a nuge, rotund laugn, ana sne never Tallea to reward even tne dullest anecdote. † I use of low-colloquial words intensifies the contrast; make a parallel between primary and secondary school: â€Å"fuck off, posh bitch† The writer applies contrast, parallel structure, framing to visualize the article. The use of these means produces a humorous effect and testifies to the inventiveness and wit of the author. The title of the article catches our attention, gives prominence o the main c haracter due to capitalization.The title is the name of the character that emphasizes its importance in the article, defines sympathetic feelings of the author, and arouses reader's interest to it. The article raises important and interesting themes. It forces us to be involved in the problem of the role of a teacher. Teacher is a guide, is an inspirer, is a monitor, is a friend, is a second mother, and is a mentor, who teaches simple, but timeless and good values. And M. Loudon was succeeded in paying tribute to an inspirational teacher and created a hymn to a teacher.

Accounting Analysis Essay

Michael Burton has recently been hired as the CEO of Tesca Works, Inc. Previously he had been the marketing manager for a large manufacturing company and had established a reputation for identifying new consumer trends. Tesca Works Inc. is a California-based generator manufacturing company. The company is well known for manufacturing large, heavy-duty generators at a reasonable cost. One of its greatest achievements is that its generators can be easily modified or customized for different applications. Also, Tesca Works currently builds commercial appliances. The company is considering an expansion of its current product line to include refrigerator and maybe, sometime in the future, consumer appliances. Mr. Burton feels that due to high energy prices, consumers will be more willing to consider purchasing new efficient appliances. See more: Beowulf essay essay Tesca Works Inc. is a California-based generator manufacturing company. The company is well known for its innovation and ability to produce high quality products at a reasonable cost. One of its greatest achievements is that its manufacturing processes are adaptable to other durable goods. Also, Tesca Works currently builds commercial appliances. Profile of Tesca Works Tesca Works, Inc. was established by the Smith brothers in 1880 as the Logging Saw Company. The firm started manufacturing large steam saws to serve the logging industry which processed lumber. Their customers were construction companies that provided housing for the population increase in California. The Smith brothers quickly realized that the times were changing. They started looking for the technologies that would keep them at the forefront of their field of business. In 1915, the Smith brothers decided that they needed to make generators as replacements for the saws. They realized that the logging industry was not viable anymore and that generators were starting to serve the same purpose. The company started making generators in the early 1940’s. Tesca Works then opted to produce commercial appliances. It was an easy decision to make since the commercial appliances would use common parts with the company’s generators and the customers were local hospitals, schools, and governments. Starting in the 1950’s the commercial appliances business accounted for about 50% of Tesca Works’ revenues. The Refrigerator Mr. Burton arranged a meeting with the firm’s top management and the chief design and the chief manufacturing engineers to propose a new product. Mr. Burton presented an argument that more individuals in the United State and Canada would be willing to purchase newer appliances because people are becoming more environmentally conscious. The new appliances are more efficient and environmentally friendly. Also, the recent increase in electricity costs seems to be long lasting. This is an opportunity to get people hooked on environmentally friendly appliances as he put it. The proposal under consideration is for the introduction of a new, energy star refrigerator. To distinguish Tesca Works from other manufacturers, the proposal included details about the convenience, large shelves in the doors, high volume water and ice dispensers, efficiency, and quietness of operation that need to be developed. Mr. Phillips and Mr. Lopez, the two engineers, enthusiastically and quickly pointed out that the needed technology could be based on the company’s generators. The framework currently used for building the generators can be modified to work for appliances at a low cost. The marketing vice president, Mr. Chen, pointed out that the marketing analysis could be done quickly and at a reasonable cost. At this point, Mr. Burton charged the participants in the meeting to produce a financial plan for the development and production of the refrigerator. Consumer Appliances Most people purchase appliances and keep them for a very long time or until they stop working. Some get them when they purchase a home and do not think about them. Recently, most power companies started educating people about the efficiency of new appliances and began offering rebates on the most efficient consumer models. These approaches increased public interest. This renewed the public’s interest in low power-consuming appliances. The Decision Three weeks later, the vice presidents presented the sales and cost forecasts shown in the exhibits. The information presented contains the cost of production, financing information, and warranty cost estimates. In addition, there were two options for the compressor in the refrigerators. The MC – 004 is more expensive to install, but has a lower warranty cost. The TS – L12 is cheaper to install, but has a higher warranty cost. Which compressor should be used?

Media Creates Political and Ideological Controversies Essay

Media Creates Political and Ideological Controversies - Essay Example Audiences are seen to be susceptible to any message or information that is presented by the media. As per Lowery and DeFleur’s theory media has an immense impact on its viewers. This theory endorses great power and influence on the media. Although later research disproved this theory, it was evident through the findings (Hyman & Sheatsley 1947) that audiences were not brainless recipients of information and formed their own opinions of media’s projections of news and events. But fact remains that even though media coverage may not be able to completely form a public’s opinion on just one front, it is responsible for how they view the world. This is where the agenda-setting theory of mass communication comes in. while the media may not be able to tell us exactly how we should think, it does specify what we should think about. â€Å"The agenda-setting theory was originally developed to explain the influence of the mass media in determining which political issues become important in elections. Adroit committee members and politicians claim that if you can control the agenda you can control the meeting.† (Sutherland & Sylvester 2000). Basically, the most crucial function of media is to act as a gateway between the public and the government. It’s the media who provide information regarding political matters and matters regarding policy and governance. Newspapers aim to cover politics and issues related to politics follow the guidelines that journalists must remain â€Å"politically correct† and neutral and â€Å"present† covering all sides of the argument (Sloan & Mackay 2007) Research has shown that most media slant is focused on coverage related to political and election campaigns, where media needs to influence the general public. But very few researches have been done to check why the media slant is involved in such  specific issues such as â€Å"immigration† and why is it covered by â€Å"negatively† slanted media coverage.

Choose at least two cases of international M&As of varying degrees of Essay

Choose at least two cases of international M&As of varying degrees of success and analyse how HR might have made a difference - Essay Example In case of a merger, the two companies that get merged enter into a mutual agreement of forming a mixed company that exists as the sole entity. The activity of merger is a form of strategic alliance which results in the formation of a single entity. There are no other entities created as a result of the merger. There is a light difference between the mergers and the acquisitions. In cases of an acquisition, the buying company takes over another company and gains control over the entire assets and the liabilities of the company that it has taken over. The acquirer controls the operations and administration of the newly formed entity as a result of acquisition. However, the target entity or the entity that has been acquired exists as a separate entity whose stakes are controlled by the acquirer (Gregoriou and  Renneboog, 2007, p.68). The cases of international merger and acquisition are on the rise. ... the return on investments due to the share of expertise of the two entities in exploring the international market opportunities (Gaughan, 2007, p.35). Rationale for entering into M&A There are valid reasons for which the companies enter into international mergers and acquisitions. The rationale for the companies to enter into international merger and acquisitions are explained as follows. The companies operate in the domestic as well as foreign markets with a profit motive (Angwin, 2007, p.50). The various aspects of operation, marketing and sales, allocation of resources, planning and implementation are driven by the profit motives of the companies. Due to the saturation of the local markets and the need for expansion of the business for future growth leads to envisaging spreads of operations of the international markets. The impacts of globalization and the incentives offered for investments by the international companies lead to the plan of entering into international mergers and acquisitions (Sudi, 2003, p.36). The major reasons of opting for international mergers and acquisitions are mainly due to the consideration of returns against the possible risks in international mergers and acquisitions. The companies targeting international markets due to the potential demand of their products and services may not be conversant with the market characteristics and the local people. The political conditions of the international markets, fluctuation of economic conditions and the legal intricacies are the possible risk exposure of the companies. For this reason, the entities look for counter parts which have expertise in their probable areas of risk. On the other hand, the company offers its area of expertise in the field of product innovation, technology transfers, customer

How far neuromarketing can go ethically Literature review

How far neuromarketing can go ethically - Literature review Example The key source to win such intensive battle i.e. capturing target audience’s attention was the use of highly targeted communication based on effective and thorough research along with the integration of science (4imprint, 2010). Traditionally, marketers and advertisers utilised focus groups and interviews to gain insights regarding the needs and wants of the consumers. With such techniques/tools, the marketers were able to read the mind of the consumers by gauging the responses which provided them with superiority in the marketplace. But with the changes in consumer-driven marketplace, organisations have started seeking out new methods and ways to gather consumer opinions and reactions regarding a particular brand in the marketplace (4imprint, 2010). With the improvements in technology, and with increasing research of the marketers, the result has been presented in the form of neuromarketing. Neuromarketing has been highly used and it has been estimated that the usage of neuro marketing will be increasing with the passage of time. It may sound futuristic, but with the advancement of technology in this new era, marketers have been provided with an opportunity to tap into the minds of the consumers. Not only this, these new technologies allow the marketers to scientifically understand the needs and desires of the consumers. With the integration of thorough research and science i.e. (technology), marketers and advertisers have gradually enhanced their ability to exactly pinpoint the reasons and causes due to which people tend to purchase a product. In addition, such technologies have uncovered the response of brain to various advertisement and marketing tactics (4imprint, 2010). Technology that organisations once fantasised is now a reality which has constantly helped the giant organisations like Campbell’s Soup and Pepsi to enhance their brand image along with the marketing of their products (4imprint, 2010). The concept of Neuromarketing came into e xistence almost a decade ago by an Atlanta Advertisement firm i.e. Bright house in June 2002, with a specific aim. The main aim of Neuromarketing was marketing research (Fisher et al., 2009). With the help of neuromarketing, the organisation was able to enhance its knowledge regarding the needs and desire of the customers along with the buying behavior of the consumers in the market. As Neuromarketing is a combination of neuroscience and marketing practices, it provides the organisation with perfect opportunity to understand, predict and eventually control human behavior. As indicated by Fisher et al. (2009) that the problem is based on the fact that such integration of sciences and research is quite unclear that is it only an academic field of research or business practices despite the advantages and benefits associated with neuromarketing through which organisations were able to predict human behavior and eventually consumer behavior. Similarly, Murphy et al. (2008) that several n euromarketing companies claim that with the help of neuromarketing, the organisations would be able to fully understand the buying behavior of consumers but on the other hand, very little academics and scientific approaches validate such claims. The question that has risen is whether such neuromarketing is another trick of marketers and advertisers to manipulate the demands of the products or it is just a practice to

MKTG Essay Example | Topics and Well Written Essays - 500 words - 2

MKTG - Essay Example A-fib has affected about two million people in the United States. It spreads fast whereby there are uncoordinated heartbeats. This disease can lead to development of blood clots that can move to the brain and lead to stroke (Fang, 21-30). Fang (48) asserts that pradaxa should not be taken by people who bleed strangely. One should be advised more by the physician on how to take the drug if he or she is bleeding abnormally. On the other hand, people who are affected by reactions by pradaxa should not take it. A patient who wants to take pradaxa should inform the physician the following issues: the first one is if the patient has any kidney trouble, if he or she has any further medical situation, if the patient is either pregnant or breastfeeding. Research has shown that pradaxa can pass from the mother who is breastfeeding or pregnant to the child and harm the infant in one way or the other. Patients, who have bleeding complications and have been affected by ulcers of the stomach, should not use pradaxa. Prior to undertaking any dental process or surgery, a patient who is taking pradaxa should inform the surgeon or dentist. He should also inform the physician on the medicines that he is taking. This is because some medicines might increase bleeding and affect the functions of pradaxa (Fang, 61-68). It should be taken as the doctor has given prescriptions. It should not be taken more than how the patient has been told by the doctor. Pradaxa can also be taken with no food or with it. Normally, the drug is packed or given in a bottle. Fang (72) says that one should make sure that he finishes a used bottle before moving to an unused one. An opened bottle of pradaxa should be used within a period of four months. It can cause sensitive reactions to other people’s bodies. This is by either having itches or rashes, pains in the chest, tongue and face swelling and even breathing difficulties. It can lead

Biology Annotated Bibliography Example | Topics and Well Written Essays - 3000 words

Biology - Annotated Bibliography Example australis is the least tolerant of modified environments. Though the study is location-dependent, it still exemplifies a good scientific paper since the researchers were able to explicitly state their aims and their methods of going about their 12- year study. However, since it was indicated that later in the research, a newer technology (GPS) was used, I think that it would be better if the data presentation included the tracked items via GPS. The suggestion would add another dimension (the power of technology) to the research but the lack of it does not alter the completeness of the paper since even a sufficient background information and the significance of the study were provided. Lloyd, K. M., W. G. Lee, and S. Walker. 2006. Takahe Valley Hut: a focal point for weed invasion in an isolated area of Fiordland National Park, New Zealand. New Zealand Journal of Ecology Vol. 30(3): 371-375. The study aimed to look at back country recreational facilities as focal points for the spread of weeds. The research that was done in Takahe Valley Hut of the Fiordland National Park in New Zealand was able to conclude that grasses are the most invasive plant forms and that among the different types of land areas, bogs and forestly are the most resistant to invasion. The methodology of the study provided site, and climate descriptions, as well as vegetation sampling in the studied area. Moreover, ordination was utilized to analyze the data from the vegetation sampling done. The study is greatly dependent on location; however, this is not the main reason why the paper can not be considered as a good example of scientific writing. The problem lies with the lack of background information regarding the characteristics that make a plant form exotic, invasive and/or native. Though almost everyone may have a sense of what an exotic plant is, the term should contain definite limits because readers should not be left guessing whether the plant is exotic in the world, the whole country of New Zealand or just the southern portion of the said country. The research may be aimed at providing more information for the locals of New Zealand; but this does not mean that the data should be presented in such a way that familiarity is easily assumed and even, at the expense of completeness. ---------------------- Writer's note: the articles are available on-line at: http://www.nzes.org.nz/nzje pls note that the capitalized letters in the journal article title indicate proper nouns ---------------------- Johns, P. M., and B. Boag. 2003. The spread and distribution of terrestrial planarians (Turbellaria: Tricladida: Geoplanidae) within New Zealand. New Zealand Journal of Ecology Vol.27(2): 201-206. Abstract: The New Zealand flatworm, Arthurdendyus triangulatus (formerly Artioposthia triangulata) has become established in the British Isles and the Faroe Islands and its human-mediated spread within Northern Ireland and Scotland is well documented. The geographical distributions within New Zealand of it and two related species, A. australis and A. testacea have always been assumed to reflect the natural distribution patterns. However, an analysis of the vegetation groups where the flatworms are presently found suggests that within New Zealand

Disaster Recovery Information Case Study Example | Topics and Well Written Essays - 750 words

Disaster Recovery Information - Case Study Example As long as the management’s input is required, their perceptions and expectations must be elicited and their commitment to the process of CSRIT must be acquired to sustain and prolong the operations of CSRIT. Resolve the CSRIT progress strategic plan: The project management and administrative issues such as specific timeframes, project group and presentation of the project group stakeholders, and communication to the management and project team should be addressed when giving thought on how to manage the progress of the CSRIT. Acquire relevant information: The necessary information required to carry out such task can be sought from the stakeholders or business manager and representatives from IT, human resource, public relations, legal department, risk management specialists and security. The information can also be obtained from conferences which offer CSRIT education. Modify the CSRIT vision: This entails clearly defining the goals, expectations, funding, organizational model, mission, objectives and constituency. The visions might also be the bargaining power when acquiring the management’s support and buy-in. After the modification of the vision of the CSRIT, the communication of the same should follow. CSRIT vision should be communicated to the constituency, management, and other person who understands the CSRIT operations after which adjustment deemed necessary are made. Implement the CSRIT: Implementation is done once the constituency and management have agreed to buy in depending on the vision. This entails recruiting and training CSRIT staff, buying equipment and building the essential network system, developing the procedures and policies to guide the CSRIT services, building incident tracking systems, and making the guidelines for reporting incidents.

The Path To Industrial Growth Within China & India Essay Example for Free

The Path To Industrial Growth Within China India Essay Newly Industrialized Countries (NIC’s) have become increasingly industrially robust. As a result, it can be argued that NIC’s have used a set of economic requisites to achieve success in the 20th century. Selected countries in this grouping have realized newfound industrialization as the result of their political governing approach and have applied the same political development policies towards international involvement but it is not a necessity for industrialization. Using NIC’s China and India as leading examples, this essay will deliberate that there are specific economic requisites required by NIC’s for prosperity, but that liberal democracy, or any other governing form, is not a political requisite for NIC’s. China and India are the top NIC’s in term of GDP and GDP growth (OECD, 2012). They also possess the two largest populations in the world. They are considered newly industrialized countries because they both have experienced extensive growth in GDP every year since 1980’s (China almost reached a 10% annual growth in the last decade) (OECD, 2012). Both countries govern using different political systems. During its post-colonial era, India’s rule has been based on liberal democracy for the most part. China on the other hand is a single party-state currently governed by the Communist Party of China. While their political ideology is different, these two countries have been able to find prosperity using similar economic requisites that has allowed them to adapt to the rise of an interactive global economy. The adaption to the global economy for India and China, who were once known for their agricultural production, is their recognition that they hold interest for corporations in developed countries due to their cheap labor and growing consumer markets. By liberalizing their trade agreements and encouraging foreign investment, they have become a favored center of outsourcing for Western corporations. Foreign Investments†¦. Within this section, an analysis on the history of high economic development period of India and China will properly outline the requisites required in the industry. Newly industrialized countries like India and China have spiked a high interest developed countries corporations in terms of foreign investment. During the 19th century, they received a flood of foreign investment brought on by the opening of a previously closed economy in both states. This was perfectly timed as developed countries were encouraged to pursue and support their export capacity (McCormick, 2007). India and China both possess vast populations that help to support consumerist interest of trans corporations within the states as well. More specifically, the Chinese and Indians are also a source of inexpensive labor, making these two countries a prime target for investment, particularly in the manufacturing sector. Cutting out competitive wages and union issues, corporations are able to exploit China and India f or cheap labor through sweatshops, resulting in greater manufacturing output. This translates into lower priced goods, thus resulting in an increase of consumerism in industrialized countries. This has created an abundance of investment from developed and developing countries, allowing China and India to thrive from the benefits of foreign interests (McCormick, 2007). For the first time, foreign direct investment in China within the first six months of 2012 surpassed that of the United States, seeing an in flow of $59.1 billion US (for China) compared to $57.4 billion US (for US)(OECD, 2012). In 2011, the United States also led the world in foreign direct investment outflows (i.e., investment in other countries such as India and China), spending $419 billion (OECD, 2012). This achievement is monumental as for the last century the United States has dominated global foreign investment because of their seemingly essential presence in multilateral trade agreements and investment (Ikenberry, 2008). Outsourcing†¦ During the 20-th century, the level of foreign investment in these two NIC’s was accompanied with a high-level of increase in outsourcing. A majority of corporations from liberal democracies found it substantially more efficient and profitable, with the advances in technology, to invest overseas and reduce employment within their own country. Why pay employees more at home when it is possible to â€Å"source† it â€Å"out† to countries that have little regulation? The net benefit is reduced costs. In 2011, the United States outsourced 2, 273, 292 jobs, with the top three locations being India, Indonesia, and China (OECD, 2012). It’s nothing new for developed liberal democracies but when jobs created within the country are fewer than ones exported, it can cause political strife for leaders if it becomes common knowledge. In Lisa DiCarlo article for Forbes Magazine, Politics of Outsourcing, she points out that outsourcing has become a fairly â€Å"hot-button† politically during the United States election campaigns, with various politicians promising tax incentives for companies to keep jobs within the country (DiCarlo, 2004). Outsourcing has led to a substantial boom in exports and job creation for newly industrialized countries. India and China are formidable manufacturing powers, and can meet the high demands of various goods-producing investors. Much has changed. NIC’s were once limited to low-profit exports that were often single resource-based with high-profit goods being manufactured and assembled within developed countries. China has adapted to the new global economic reality by forming urban labor pools that can respond to increasingly sophistical array of manufacturing needs of investors (Schneider, 2009). This has traditionally recognized as the production of rather unimportant material goods, such as the production of low-cost furniture and clothes. In addition to these goods, however, the emergence of technology has created an increase in the variety and volume of high-priced manufactured products now produced by NIC’s (McCormick, 2007). Within NICs, these tactics have resulted in the upward surge of the GDP and significant industrial production in comparison to other global economies. The Economist reported that in 2004, noticeable NIC’s Venezuela, Indonesia, and Argentina, have doubled (in some cases tripled) the GDP % growth of liberal democracies (McCormick, 2007). The same is true with industrial production, where the only liberal democracy that measures up with NIC’s is Austria. So where did this begin? Trade liberalization is one of the main roots to this growing global trade money tree. The economic progression that China and India have witnessed within the past couple of decades is associated to their commitment of opening up to global trade. In the past 20 years, there has been a growth in world trade that is averaging six percent a year (IMF, 2001). Trade plays an essential part in these countries’ economic growth, and can be traced back to the General Agreements on Tariffs and Trade in 1947. The GATT created a world-trading system that has allowed countries to participate in multilateral trade agreements and resulted in the establishment of the World Trade Organization. Developing countries play a significant role, accounting for one-third of the world trade. The International Monetary Fund also reported that 40% of developing countries exports go towards other developing countries (IMF, 2001). In the past 20 years, East Asia (including India and China) has seen its average import tariff lowered from 30% to 10% (IMF, 2001). Trade liberalization is key in the conversion of once poor agriculture export-based countries that have adapted to the manufacturing export-led economies, as referenced above. Developed nations have a demand to keep farmers employed domestically, negatively affecting international agricultural trade. To protect local farmers, agriculture remains one of the most heavily tariffed trades good for industrialized countries (over 15%) along side the high subsidies put in place for the agriculture sector (IMF, 2001). For example, the European Commission is spending $2.7 billion euro per year making sugar profitable for European farmers, a protectionist measure, at the same time that it is shutting out low-cost imports of tropical sugar (IMF, 2001). These economic adaptations toward the global market, in a world that is moving towards rapid globalization patterns, are essential for developing countries to thrive and, in some cases, become dominant powers. The steps outlined are not only used by India and China, but a vast majority of NIC’s that are seeing exponential growth. There is no doubt that this increase in national capitol has caused a change to the domestic lifestyle of the population in India and China. Quality of life will change significantly with increased capitol available for schools, roads, and hospitals. There will also be a surge in spending on transport and other infrastructure to provide support for the influx of urbanization that NIC’s tend to experience when dealing with the shift employment from agriculture to manufacturing (McCormick, 2007). However, these changes will only be applied if bureaucracy is run efficiently and effectively with little corruption and incompetence. This leads to the argument that different political systems can reach the same success as long as they are able to successfully implement their capitol through bureaucracies. This is why there is not necessarily any set political requisites in terms of a governing system, as justified by the differentiation between India and China. The following section will expand on this argument in addition into delving deeper into urbanization and bureaucracy issues. Political†¦ The political-development model for international participation for China and India has evolved over the past decades. There has been a strong shift from socialist policies that encourage state-ownership, extensive regulation and a closed economy to an adopted capitalist-development model. This new model supports the characteristics of open-market economy, free trade with numerous states, and an expanding role of the state within the global trade market (McCormick, 2007). It emphasizes the need for globalization in order to prosper off of the transnational and international institutes in place. This is put in motion by implementing policies that loosen international trade policies in order to allow trade liberalization between states, which as mentioned above plays a huge factor in how they are able to prosper. Historically the capitalist model is associated with strong political leaders that can use their governing system to achieve increased social freedoms and civil rights within the state, prioritizing on the improvement of the standard of living within the state, and the promotion of expansion and growth of urban centers (McCormick, 2007). However this is not essential in for economic prosperity, although encouraged, but some of these aspects will naturally occur with the implementation of the model. An urban growth from 17% in 1971 to 28% in 2001 was experienced in India, a country recognized as having high rural populations (Datta, 2006). India was slower at adapting economic liberalization than China but purged the socialist-inspired policies that are widespread among lower developed countries. Using the capitalist development model in reference to trade and foreign investment is a requisite for newly industrialized countries in terms of policy. China, who started its economic reforms in 1978, emerged internationally by radically changing its urban landscape and encouraging migration to large cities. Approximately half of their population is located in urban areas with a projected 70% of Chinese living in cities in 2035 (United Nations, 2011). Political-development myths about the need for social freedoms, civil rights and higher standard of living within state associated with the growth of NIC’s is contradicted by the governing seen within China (Schneider, 2009). Although China might possess the highest level of GDP in the world thanks to its economic reforms, it still reports a high level of human rights violations. It is a country that is run by a government that believes in economic freedom for international and domestic success but this does not translate in political freedoms (Schneider, 2009). This has been criticized by the United States, who believed that partial democratic reform would ensue with the liberalization of the Chinese economy. Within India, political freedoms are intact given its practices liberal democracy. However, the living standard suffers as the result of government inefficiency (Datta, 2006). The two states have the leading numbers in population and GDP growth but their living standards are not equal. China possesses a Gini coefficient of 48 in 2009 while India ‘s was only 36.8 (CIA Factbook, 2010). This demonstrates that even if most NIC’s tend to adopt liberal democracies in order to prosper from relations with other democracies and increased support from populations, it is not necessarily essential, meaning not a requisite. China has demonstrated its mercantilism market through their communist government is a suitable replacement, possibly a more efficient according to some due to their superpower role, depending on one’s view of human liberties. The key notion of these growths is that they are new. China at the start of this growth had little requirement from their people towards government but as they grow and industrialize they will see a rise from the middle class and this will possibly increase the demand for more liberal practices. There is no guarantee that the existing Chinese government will be able to sustain their one party rule and iron-grip on human rights, especially with continued international pressure from powerful states such as the United States (Ikenberry, 2008). This is, however, is one of several possible situations that NIC’s could be faced with. The present world is an ever-changing place that has wide-arrangements of uncertainties from economic upheavals and huge debts that could cause primary investors, such as Canada and the United States, to crash at a moments notice. This would cause repercussions for any NIC’s including shifts in outsourcing from primary investors in order to reestablish domestically. These are all uncertainties that face the NIC’s in the 21st century, but as for now, if they stick to their current practices they will keep growing. There are sets of economic requisites that have attributed to the success in industrialization of NIC’s and soon there will be some that are left behind with the adoption of new requisites to keep pace with the ever-changing global market. As for political requisites, I don’t believe in one governing system dictating the growth of a state but that the belief that a certain few systems can make the transition of lower developed country to newly industrialized country an easier task. Within this century, there will be a radical shift of powers in the world and one can predict that NIC’s will play major roles thanks to following set requisites and adapting to the global economy. References: DiCarlo, L. (2004, February 18). Politics of outsourcing .Forbes. Retrieved from http://www.forbes.com/2004/02/18/cx_ld_0218outsourcing.html OECD. (2012, October ). Fdi in figures. Retrieved from http://www.oecd.org/daf/internationalinvestment/investmentstatisticsandanalysis/FDI in figures.pdf IMF. (2001, November). Global trade liberalization and the developing countries. Retrieved from http://www.imf.org/external/np/exr/ib/2001/110801.htm Datta, P. (2006). Urbanization in india. Population Studies Unit, Retrieved from http://www.infostat.sk/vdc/epc2006/papers/epc200 CIA Factbook. (2010). Gini index. Retrieved fromhttps://www.cia.gov/library/publications/the-world-factbook/fields/2172.html United Nations. (2011). Department of economic and social affairs urban populations. Retrieved from http://esa.un.org/unup/Wallcharts/urban-rural-areas.pdf Ikenberry, G. (2008). The Rise of China and the Future of the West. Foreign Affairs. Schneider, A. (2009) Ignorance is not Bliss: The Importance of Understanding Chinese Culture for Foreign Policy. Tulane University :1- 15 McCormick, J. (2007). Comparative politics in transition. (5th ed.). Canada: The Thomson Corporation.

Ultrasonic transducers

Ultrasonic transducers 1.1 Introduction Transducer is a device which converts energy of one form to that of another. With reference to ultrasonic transducer the ultrasonic energy is to be converted to electrical, mechanical, or other energy form. A reversible transducer transforms energy in both directions with equal efficiencies. The transducers can be classified as follows: 1. Piezoelectric oscillators: Principle of piezoelectric effect is used and this is reversible. The possible frequency range is from 20 kHz to well over 10 GHz. 2. Magnetostrictive oscillators: Employs the phenomenon of magnetostriction, a reversible form of conversion. Can be made to operate at mega-hertz and even gigahertz frequencies. 3. Mechanical transducers: Includes whistles and sirens (mechanical oscillators) and radiometers, and are irreversible. Mainly used for high-power applications. 4. Electromagnetic transducers: Applied for high-intensity applications at low frequencies, in the audible range. They have been used for low-intensity work at frequencies of up to 50 kHz and, also as receivers at megahertz frequencies. 5. Electrostatic transducers: Used as generators at low intensities with an upper frequency limit of a few hundred kilo-hertz. Reversible in conversion and used as receivers at frequencies as high as 100 MHz. 6. Miscellaneous transducers: Includes thermal, chemical, and optical transducers. Ultrasonic receivers are categorized into two 1. Receivers terminating acoustic beams: The cross-section of the receiver embraces the whole or a large proportion of that of the beam and its dimensions extend from several to a large number of wavelengths. The presence of the receiver materially affects the configuration of the acoustic field, to give rise to regular reflections of the beam. 2. Receivers acting as probes: ultrasonic probe receivers are used for mapping out acoustic fields and for measurement of local intensities. the use of probe receivers is restricted to lower frequencies (e.g. in the kilo-hertz range)., as their dimensions need to be small enough, not to upset the characteristics of the field,( to be less than about one-tenth of a wavelength). 1.2 Piezoelectric transducers 1.2.1 General considerations Piezoelectric transducers employ the piezoelectric effect, discovered by the Pierre and Jacques Curie in 1880. The effect occurs naturally in certain single crystals with polar axes, (e.g. quartz, tourmaline, lithium sulphate, cadmium sulphide, and zinc oxide.) When mechanical stress is applied to the surfaces of piezoelectric crystals, coated with silver or gold, equal and opposite electric charges will be induced on them and a voltage will be observed. This is the direct piezoelectric effect, and the crystalline axis perpendicular to the coated faces is the relevant polar axis. When a voltage is applied across the electrodes to produce an electric field, a converse effect is observed, resulting in a mechanical strain. These effects are associated with compressions and shears, in quartz, for example, the principal polar axes are called the X- and Y axes, there is three of each. The X-axes are oriented at angles of 120Â ° apart, and with corresponding Y-axis perpendicular to it. The electrodes lie at right angles to an X-axis for X-cut quartz crystals, and are associated with compressions, and Y-cut quartz crystals with shears. The Z-axis, is known as the optic axis and lies perpendicular to the planes containing the X- and Y-axes. Optic is a non-polar axis for which the piezoelectric effect is not observed. A piezoelectric transducer oscillates at the applied frequency with amplitude of the order of 10-6 times its thickness, on applying an alternating voltage across its electrodes,. If, the transducer is excited at one of its resonance frequencies the amplitude is considerably increased, e.g. to about 10-4 times the thickness at the fundamental frequency Artificially induced piezoelectric transducers are of polycrystalline structure. They are made up of large numbers of minute crystallites bonded together, to the required shape and size. The final product is in the form of a ceramic. Prior to polarisation, these ceramic transducers do not require to be cut with reference to any particular axis, as they are isotropic. So it is possible to have a shape in any convenient form by adding small quantities of other materials, the transducers properties can be improved or adjusted. The piezoelectric effect is measured by the d coefficient, which can be expressed in one or two ways. (i) If the crystal is subjected to a mechanical stress, at the same time, the electrodes are short-circuited by a wire, charges induced by the stress will flow through the wire until the potential difference across the crystal is reduced to zero. Considering, q is the value of the total charge flowing and F the force producing the stress, then d coefficient can be given as d=q/f coulombs per Newton 3.1 (ii) When a voltage V is applied across the crystal, on which no load is applied e.g. vacuum, a displacement l is produced due to the resultant strain, then volts per metre 3.2 The electromechanical coupling coefficient is defined as Both d and k vary with temperature and reduce to zero at the Curie temperature Tc. The frequency response of a transducer depends on its Q factor. If the characteristic impedances of transducer and medium are R1 and R2, then Q can be represented as where K is a dimensionless constant. Ceramic transducers have higher d coefficients and electromagnetic coupling coefficients compared to the quartz crystals. But quartz crystals are highly stable. 1.2.2. Coupling of Piezo electric transducers A suitable liquid must be provided to avoid an air gap , for efficient coupling of ultrasound between the transducer and a solid. To generate longitudinal waves at normal temperatures, a film of oil is usually enough, but, at low temperatures a high-vacuum grease is used to prevent loss of continuity of characteristic impedance. While working with high temperatures, a couplant which does not evaporate, should be chosen. .For transverse wave propagation, it is necessary to use adhesive such as epoxy resin, so as to ensure the couplant has enough strength to withstand the application of the shear stresses without collapsing. Canada balsam or even nail varnish , on some occasions will provide good coupling for shear waves, depending on the temperatures. 1.2.3 Ultrahigh frequency (u.h.f.) piezoelectric transducers An early method of generating u.h.f. ultrasonics was to place one end of a single-crystal quartz rod inside an electromagnetic cavity resonator Ci (see Figure ). The surface was excited at the required frequency, and waves were propagated along the rod. Initially the method was applied only for producing ultrasound in single-crystal quartz , due to difficulty of coupling other materials to the free end of the rod. Another electromagnetic cavity resonator C2 at the other end of the rod acted as a receiver. In later stages the free ends of the rod and solid specimen was coated with thin film of indium. 1.2.4 Piezoelectric sandwich transducers To generate waves at the frequencies ranging from 40 kHz down to 20 kHz.frequency, for High-intensity applications ,with a piezoelectric ceramic, the thickness should exceed 100 mm. A ceramic block of this thickness is both expensive and is highly absorbent. Due to this, absorbed acoustical energy being converted into heat, results in a rapid increase of temperature and the Curie temperature is soon reached, with a consequent disappearance of the piezoelectric effect. To avoid this sandwiching of the piezoelectric transducers can be applied. A sandwich transducer consists of a comparatively thin piezoelectric plate located between two thicker metal plates.They have high compressive strengths and by compressing the sandwich permanently using high tensile bolt damage can be prevented. (see Figure 3.7); the transducer is said to be mechanically biased. 1.2.5 Surface wave piezoelectric transducers Surface waves can be generated by using mode conversion with a longitudinal wave transducer as the primary source, but it is also possible to propagate them directly. Surface waves are produced by placing an ordinary longitudinal wave transducer in contact with the edge of the material and inclined at an angle of 45Â ° (Fig 3.4) and are received in same fashion. Another method of generating and receiving surface waves is by coating two electrodes on the surface of a piezoelectric material and applying the exciting voltage at the required frequency across them (see Figure 3.5). This technique was used for delay line applications 1.2.6 Operation of piezoelectric transducers A quartz crystal mounted at its nodes, is an ideal one for propagating continuous waves over a narrow frequency band. Electrical connections must be made to the electrodes and additional damping caused by them should be kept minimal. Nodal mounting is not advisable for very thin transducers and where contact with a solid medium has to be maintained. For cases like these, the transducer is held in position by means of a light spring against a solid surface. Then the solid surface provides one electrical contact with the transducer electrode and the other is provided by the spring. To have maximum efficiency, the impedances of the exciting and receiving electrical circuits should be correctly matched to the electrical impedance of the transducer. For pulsed wave operation it is essential that the pulses are kept sufficiently short to prevent their overlapping. No stationary waves are to be produced in the medium. To produce very short pulses and where a narrow frequency band is not needed, transducer material, such as a ceramic is used. The transducer is backed by a block of a material having a very high acoustic absorption coefficient and of sufficiently large electrical conductivity to provide contact with that transducer surface. A mixture of tungsten powder and Aroldite is used for this purpose. A high direct voltage (typically from 300 V to 600 V) of instantaneous duration is applied periodically to the transducer electrodes at the required pulse repetition frequency. At each electrical impulse, the transducer experiences a high initial strain after which it oscillates over about two or three cycles, the amplitude decreasing rapidly.. Thus, for a transducer operating at a frequency of 6 MHz to produce pulses each of thre e wavelengths, the pulse duration is about only 0.5ÃŽ ¼ for propagation into most metals. The relation between pulse-length (PL) in seconds and the frequency bandwidth can be given as: PL= 1.3/ Frequency Bandwidth 3.4 1.3 Magnetostrictive transducers Magnetostrictive transducers are made of ferromagnetic materials, which can easily be magnetised and displays magnetostriction or the Joule effect. When a bar or rod of one of these materials is placed in a magnetic field, it suffers a change in length, either an increase or decrease, depending on the nature of the material and the strength of the field, immaterial of the sign of strain. Hence, when the direction of magnetic field is reversed, there is no change in the sense of the strain. Figure 3.11 shows the relationship between mechanical strain and the magnitude of the field strength for a few ferromagnetic materials. The graph imples, the variation is not a linear one, in general. Nickel is found to be the most satisfactory material for magnetostrictive transducers, having an electromechanical coupling coefficient of 31 per cent and a Curie temperature of 358Â °C. Permendur, an alloy, has a higher Curie point (about 900Â °C) and low electromechanical coupling coefficient. Though ferrites (non metals) has an advantage of being poor conductors and not being heated by eddy currents, and exhibit magnetostrictive effect are not often used as transducers due to their poor mechanical properties. There is a converse magnetostrictive effect, in which a mechanical stress applied to a ferromagnetic rod lying in a magnetic field gives rise to a change in the magnetic flux density. This is known as the Villari effect. Magnetostrictive transducers are in the forms of rods surrounded by coil windings (see Figure 3.7). An alternating magnetic field of the same frequency is induced by an alternating current through the coil ; giving rise to longitudinal oscillations of the rod. These oscillations take place at a twice the frequency of the field and take on the form of unsmooth, rectified alternating current, resulting in unwanted frequencies. As in the case of ceramic transducers. This disadvantage is avoided by polarisation, as in ceramic transducers. It is not possible to obtain a high polarising field by permanent magnetisation, and a steady direct field of suitable magnitude is provided by passing a direct current through another coil wound round the transducer. So, the oscillations occur about some other point instead of taking place about the origin of the curve. If the amplitude of the applied alternating field is low for changes to take place along the linear portion of the curve, and, is less than the value of the polarising field, then sinusoidal oscillations occur at the applied frequency. The resonance frequency inversely proportional with the length of the transducer rod. The frequency is increased by decreasing the length, but, simultaneously , there is a intensity is lowered for a rod of given cross-sectional dimensions , which results from the reduction in size of the vibrating mass. So, at frequencies more than 100 kHz ,the output from this type of transducer becomes vanishingly small. The considerable leakage of magnetic flux is observed , which is a disadvantage of using rod-shaped oscillators . Transducers designed to form closed magnetic circuits are used for high-intensity applications The window-type transducer is clamped nodally, and the vibrations produced are longitudinal. In ring-type transducer, vibrations are in a radial manner, and hence ultrasonic energy is focused at the centre resulting in high acoustic intensity. Absorption of ultrasound by induction of Eddy currents and Hystersis results in increased amount of eating. Though there are a number of ferromagnetic materials with low hysteresis losses, their magnetostrictive properties are poor. The losses due to eddy current can be reduced by using laminated stacks consisting of alternating sheets of the metal and of some insulating material such as mica. Since the rise in temperature may result in loss of magnetostrictive properties, it is necessary to cool the transducer during its operation. By using velocity transformer, an increased intensity, distributed over a smaller area, can also be obtained with both rod and window types of transducers. This consists of a tapered coupling rod and provides an increase in the value of the particle velocity at the end remote from the transducer. For maximum efficiency, the transformer is designed to resonate by making it one wavelength long and supporting it at a nodal point, i.e. at a distance of a quarter-wavelength from the transducer. The diagram illustrates the application of the velocity transformer to the construction of the ultrasonic drill Magnetostrictive oscillators being reversible can be used as receivers. An example of a magnetostrictive probe receiver consists of a nickel rod held vertically in a fluid in which ultrasound is radiated in an upward direction. The rod is contained in a plastic tube so that only the free end is exposed to the waves which are then transmitted along its length. A current is induced by the Villari effect in the pick-up coil placed near the upper end of the rod. Another coil carrying a direct current provides the polarising field. The formation of stationary waves is prevented by placing an absorbent material at the top of the rod. Nickel film transducers are used for producing and receiving ultrasound of very high frequencies ranging from 100 MHz to 100 GHz in solids. A thin film of nickel, of thickness corresponding to one half-wavelength at the resonant frequency, is deposited on the end-surface of the specimen into which sound is to be passed. The rod is located with its plated end inside a microwave electromagnetic cavity resonator, excited at the required frequency. The receiver may consist of a similar film coated on the opposite surface of the specimen and also located in a cavity resonator. Instead a single nickel film can act as both source and receiver, using reflection method. No coupling material is required and no special technique is necessary for coating the nickel film. 1.4. Mechanical Transducers Mechanical ultrasonic generators are used for high-intensity propagation in liquids and gases at frequencies of up to about 25 kHz .They exist mainly in the forms of whistles and sirens. They are powerful and less expensive than piezoelectric and magnetostrictive transducers, but with limited scope of applications. Ultrasonic whistles are of two types, the cavity resonator, used mainly for gases, and the wedge resonator, employed for both gases and liquids. . 1.4.1. Cavity Resonators Galton whistle (see Figure 3.12) consists of a cylinder terminated by the end-surface of a piston which can be adjusted to provide resonance at the required frequency The fluid, flows through an annular slit at high speed and strikes the rim of the tube where vortices appear and produce edge-tones. The frequency of the edge-tones depends on the velocity of the fluid which can be adjusted until the cavity resonates. For air, at a frequency of 20 kHz, fundamental resonance takes place for a cavity length of approximately 4 mm. The second type of cavity resonator is the Hartmann generator, similar in design to the Galton whistle, except that the annular slit is replaced by a conical nozzle (see Figure 3.13). The fluid is forced through the nozzle and emerges at a supersonic velocity to produce shock waves, which cause the cavity to be excited at a high intensity. Resonance is achieved by adjusting the fluid velocity. 1.4.2. Wedge Resonator The wedge resonator consists of a rectangular plate with wedge-shaped edges, mounted on nodal supports and placed in a fluid jet stream.(Figure 3.14). The wedge is set up into flexural vibrations having an intensity comparable with that attained by the Hartmann generator. Operating frequencies are of the order of 20 kHz. Sirens also are used for generating high-energy ultrasound in fluids. The siren consists of a rotor disc with a number of identical holes spaced evenly around the circumference of a circle slightly smaller than the disc. The rotor turns concentrically in front of a similar disc (the stator), which is kept at rest whilst fluid jets are directed through the holes. The frequency of the emitted ultrasound is equal to the frequency of interruption of the jet flow, as the holes move relatively to one another, and is calculated as the product of the number of holes in the rotor and the speed of revolution. The tone emitted by the siren is not a pure one but this is unimportant for the applications for which it is used. One advantage of this instrument is that by altering the speed of rotation the frequency can be varied in a continuous manner. The use of mechanical receivers has been restricted to measurements of intensities in liquids and gases. The two principal types of mechanical receivers are the Rayleigh disc and the radiometer. The Rayleigh disc consists of a thin circular disc suspended vertically in the ultrasonic field by means of a torsion fibre. Initially the disc is positioned, with its plane surfaces parallel with the direction of propagation. In the presence of ultrasound, the sound waves exert a couple on the disc, which rotates until brought to rest in a steady position as a result of an opposing couple exerted by the suspension. The angle of rotation required to reach the state of equilibrium depends on the the acoustic intensity. A radiometer is a device which measures directly the pressure of radiation, a quantity which is proportional to the acoustic intensity. The simplest form of radiometer is a tiny solid sphere suspended in the sound field. It is deflected horizontally in the direction of propagation when the ultrasound is present. The device is calibrated by subjecting it to known fluid pressures and then measuring the resulting displacements. The torsion balance radiometer is designed for waves travelling in a horizontal direction and the common balance type for vertically directed waves(Fig 3.15 a and Fig 3.15b) 1.5 Electromagentic Transducers A lightweight electromagnetic transducers have been used for low-intensity ultrasonic measurements in poorly conducting solids and liquids. But the method requires constant application of a steady magnetic field m which is a major disadvantage 1.5.1. Giacominis method: A bar of poorly conducting solid is coated with a thin conducting strip of negligible mass over opposite halves of the upper and lower surfaces and the end-face. It is supported horizontally at the nodal positions by electrically conducting wires, and the coated end is subjected to a horizontal magnetic field at right angles to the axis. When an alternating current is passed through the conducting strip, the bar vibrates longitudinally, in accordance with Flemings left-hand rule of electromagnetism. Because electromagnetic transducers are reversible, vibrations in the bar are picked up by the conducting strip which, in the presence of a steady magnetic field, will have induced in it an alternating e.m.f. in accordance with Flemings right-hand rule of electromagnetism. This e.m.f. is related to the acoustic intensity. Thus the device can be used as both a transmitter and a receiver of ultrasound. 1.5.2. Filipczynskis Method: An aluminium film in the form of a continuous and winding narrow strip is evaporated on to a perspex block to provide a coil of negligible mass. The block is then immersed in the liquid and located inside a gap between the pole-pieces of a permanent magnet which supplies a steady magnetic field of high intensity. Ultrasonic waves pass from the liquid into the block, giving rise to oscillations of the aluminium coil which induce in it an e.m.f. related to the intensity in the block. 1.6 Electrostatic transducers An electrostatic transducer consists essentially of two parallel plates of a conducting material placed close to one another to form an electrical capacitor. One plate is fixed and the other is free to vibrate in a direction at right angles to the surface of the plates. A high resistance is placed in series with the capacitor and steady charges on the plates maintained by a direct potential difference of several hundred volts (Fig 3.18). For operation as a transmitter, a signal at the desired frequency, is fed to the plates , output voltage of amplitude not exceeding the direct potential difference. The periodic variation of the charges induces vibrations of the movable plate. For use as a receiver, the movable plate is placed in position to receive the sound waves and its consequent vibrations give rise to periodic variations of the electrical capacitance of the transducer, producing an alternating current which flows through the high resistance; the resulting alternating voltage proportional the intensity of the received sound. The electrostatic transducer in the form of the condenser microphone has long been used at audible frequencies. Diaphragm being light , inertial effects are negligible and the sensitivity remains constant over a wide frequency range. It can be used for gases and liquids as both a receiver and a transmitter at frequencies of up to about 300 kHz. 1.7 Miscellaneous Transducer Other methods of generating and receiving ultrasound involve the uses of thermal, chemical, and optical devices. The chemical changes observed in materials irradiated with ultrasound, is used as a means of detection. It is also possible to generate ultrasonic waves in a transparent medium by the crossing of two laser beams originating from a common source. There are a number of applications which make use of thermal transducers. One thermal type of transmitter is the spark-gap generator, which radiates ultrasound as a result of periodic temperature changes taking place when a high alternating voltage of a given frequency is discharged across a gap in a circuit. The hot-wire microphone, is a receiving thermal transducer,consisting of a thin wire, made from platinum and heated to just below redness. When sound waves strike the wire, it cools down by an amount directly dependent on the intensity. This is indicated by a decrease in its electrical resistance. The hot-wire microphone has been used successfully for gases at frequencies of up to 600 kHz. Ultrasonic intensities can also be measured from the rise in temperature within the beam, as shown in Figure 3.19. The heat produced by the ultrasound is absorbed by the liquid in the thermally insulated flask. Expansion of the liquid results in a rise in the level of the liquid in the graduated capillary tube, calibrated by supplying a measured amount of heat from the heating coil. The waves transmitted through the liquid are finally absorbed by the glass wool placed at the end of the vessel. Acoustic powers of from 50 mW to 30 W can be measured to an accuracy of better than 10 per cent with this device.

Socio-Cultural Impact of Tourism

Socio-Cultural Impact of Tourism Chapter 2 Literature Review There are many researchers who have examined on how tourism affects the local people in a destination. They have worked on how to assess the negative and positive impacts of tourism on society. This literature review will be based on the research of the socio-cultural impact of tourism on the local people in Mauritius. The impacts that tourism brings to the local people will be assessed by the use of a questionnaire. This literature review will be completed by searching for journal articles, relevant studies which have been previously done on the topic. Overview of Tourism Tourism is an active and deal process which include direct and alternative relationship between people and originator of tourism products. The interaction between people is the is often the necessary feature which characterizes a tourism experience. These experiences can lead to both positive and negative impacts and this should be controlled in order to maximize the positive impacts and minimize and negative impacts (Sheldon Abenoja). Positive and negative feature of tourism can be moved to the tourists and the hosts population as a tourism product can only be consumed in a destination. One of the most influential socially based plan refined to examine the impact of tourism has on local people and the environment in which the local people live is dependent on the work of Doxey (1975), who was able to demonstrate the feeling that local people show as tourism extend and start to use greater area of a local economy over time. (Doxey) also argued that there are basically four levels to be considered when assessing local feelings towards the tourism industry. These are as follows: Euphoria: This is where tourist come to a destination where they are received with little control and planning in a destination Apathy: Tourists are accepted by the local people in a destination, commercialization takes place and there is a relationship between groups. Annoyance: As the tourism industry is being saturated, local people tend to have uncertainty about a location of tourism. Tourism planners increase infrastructure instead of controlling the growth of tourism. Antagonism: Local people start to become irritated and this is presented to tourists and tourism and planning is restorative. The number of impacts from tourism is physically wide and it often has the authority on areas beyond those usually linked with tourism (Kreag 2001). It is difficult to measure the exact type and magnitudes of impacts of tourism as they cannot be viewed in a separate way because the effect brought by tourism alone and the effect which has been accomplished by other agents of change such as modernization, development, and the influence of media (Archer Cooper, 1994; Lickorish Jenkin, 1997; Mathieson Wall, 1982). Socio-Cultural Impacts of Tourism According to (Oppermann Chon, 1997), they argued that the socio cultural impacts should be available in towns and it should be designed in such a way in order to achieve the ideals of sustainable development. The socio-cultural impacts of tourism occur when there is the interaction between the host, or local people, and guests, or tourists (Smith 1995). However, Glasson, Gofrey and Goodey (1995) argued that the socio-cultural impacts are the people impacts of tourism and it concentrates on the day to day changes and quality of life of residents in a destination. It has been stated by (Opperman and Chon 1997) that tourist and the host interactions does not have effect on the hosts and the society of the host, but also it has an effect on the tourists and the tourists societies. Socio-cultural impacts have both positive and negative forms and it is the hosts and the guests who are affected (Cooper et al., 1998; Oppermann Chon, 1997). Moreover, (Pi-Sunyer, 1973), stated that socially and culturally, tourism has often been victim of social tensions. It can be noted that the principal impacts affected by the tourists and host relationship are the demonstration effect, that is when the behaviour of the hosts community is developed in such a way to imitate the tourists (Boissevain, 1979; Tsartas, 1992). During their stay in a destination tourists interact with the local residents and this interation brings an outcome such as modifications in the quality of life of the hosts community, value system, labour division, family relationships, attitudes, behavioural patterns, ceremonies and creative expressions (Fox 1977; Cohen 1984; Pizam and Milman 1984). The encounters of tourists and the hosts occur when tourists are buying goods and services from any host individual where there are at the same place and at the same time and where they can exchange ideas and information (de Kadt 1979). Another type of encounter which occur in tourism is where there is a failure in promoting mutual understanding among different nations and stereotypes prevail (Nettekoven 1979; Krippendorf 1987; OGrady 1990). In addition, socio-cultural impacts of tourism also include change in the language that is used in a destination (White 1974; Brougham and Butler 1977; Jeffs and Tavis 1989; Wallace 1997); growth in the consumption of alcoholics, crime, prostitution and gambling (Young 1973; Graburn 1983; OGrady 1990). According to Brunt and Courtney (1999) argued that socio cultural impacts of when there is the interaction of tourists-host could be utilized to host residents and was affected by their role and their relationship within the tourism industry. Communities Perspective of Tourism Considering the attitude of local people the large range of the positive and negative impacts of tourism on the community at large and individual can be analysed (Fredline, 2004). (Ratz 2002), said that the lives of the hosts community are changed by two major factors which are namely the tourists-host relationship and the development of the tourism industry itself. Local people and foreign companies are encouraged to invest in different types of tourist enterprises (Larsen 1998) and this is looked in such a strategy to motivate economic activities to take place which will make the state become richer. In a host community, not every people perceive the impacts of tourism in the same manner. Researches says that the level of satisfaction of residents in a destination and their attitudes in relation to tourism are conditional on their perception of the impact of tourism. Socio-Cultural sustainability Cultural sustainability is the maintenance of local values, the way that people live in their environment and identity (Heikkinen et al. 2007). According to (Besculides, Lee, McCornick, 2002; Simpson, 2008) the cultural and social as aspect of sustainability may be supported by tourism development by granting a change of declining traditional industries appealing infrastructure development promoting pride referring to culture and community, fostering cultural acceptance amongst visitors, keeping cultural heritage, fostering cross institutional acceptance and bring into existence educational favorable circumstances. However, (Liu 2003; Stronza, 2007), argued that tourism can bring up new lifestyles, belief, and values to hosts, and come through changes in the living form of the communities. Positive socio-cultural impact of tourism Tourism brings into contribution of an improvement of the social infrastructure in a destination. Cultural development can be considered as a positive impact of tourism. Various situations exist where tourism is the active force behind the preservation and awareness of local culture and traditions. (United Nations, 1996; Jamaica Sustainable Development Network, 2001; Tourism Product Development Company 2005; du Cros; 2001) Negative socio-cultural impacts of tourism For some islands, there are negative social impact that are created due to tourism. An increase in the price leads to a fall in the standard of living of the local community. Fishermen are deprived from their occupation. Sometimes locals are prevented to get access to public beaches as most hotels give priority to tourists to enjoy the beaches and therefore locals are left with only part of the beaches. Moreover, there are capacity issues where the beaches are overcrowded which leads to traffic congestion and noise pollution, reverse acculturation and high crime rates also occur (United Nations, 1996; PA Consulting Group, 2007). Physical influences causing social stress The physical power that increasing tourism has on a destination can cause social stress because this encounter the local community. Cultural degeneration such as damage to cultural heritage may take place from vandalism, littering, pilferage and illegal removal of cultural heritage items or by changing the historical landscape that surrounds it. Resource use conflicts will arise because there is a competition between the host community and the tourists for making use of prime resources such as water and energy which are limited in supply. Conflicts will arise when there will be the construction of hotels in coastal areas. Culture Clashes As tourism is the movement of people to different places geographically and places of social relation between tourists and the hosts, culture clashes may come forward because of differences in their cultures, ethnic and religious groups, values, lifestyles, languages and levels of prosperity. There will be economic inequality between local people and the tourists as they spend more than they often spend in an economy. Behaviour of tourists causing irritation Tourists usually fail to respect local people and their moral values due to carelessness in a destination. They may not respect the locals traditions by taking pictures where they are not allowed to do so and they may also be not well dressed in religious places like temples, mosques, and church. Crime Jud (1975) stated that amount of criminal movement facing foreign tourists grows as the number of illegal chances increase. He also said that the more tourists arrival in a destination will result in more chances for crime to take place. However, Lin and Loeb (1977) argued that there might not be a certain connection between tourists and criminal activities. Moreover, Bernasco and Luykx (2003) stated that there are three factors which pull crimes against property and these are attractiveness, opportunity and accessibility. As a result if communities do not protect themselves and imperfectly put in order by external agencies, some individuals will precise their personal temperament and devotion towards criminal behaviour. Moreover, Shaw and Mc Kay (1992) stated that a weak organizational form within a community may produce an environment more favorable for criminals against people and vice versa. Job level friction There has been a lack of professional training and low-paid tourism jobs such as waiter, cleaner gardening are offered to local people whereas the higher-paying jobs are like managerial jobs are offered to foreigners. Change of local identity and values Conventional tourism can bring impact change or loss of recognition and values and leads to influences as stated below: Commercialization of local culture Tourism can turn local culture into product and this is when religious traditions, local customs and festivals are diminished to adjust to tourist expectations and this has been called as reconstructed ethnicity. Standardisation A destination aim is to satisfy and it risk standardization, accommodation, food and drinks, etc must meet the want of the tourists in a destination Adaptation to tourist demands In destination tourists have the desire to buy souvenirs, arts, crafts, cultural manifestations. Craftsmen in many tourists destinations have changed their products by designing new types to make them match the new customers tastes. Increase of Prostitution and sex tourism According to the WTO (World Tourism Organisation) experts (1994) sex tourism has its principal intention that effect of a commercial sexual relationship. Sex tourism is absolutely tangible encounter in which the partner is not anymore an animated object. Many men go to Asia to choose Asian girls because no communication is possible. Sex workers can be migrant women in a destination from neighbouring countries. Moreover, sex tourism has impacted to an increase in AIDS in India. It has been discovered that upper grade hotels have their supply for sex tourism to take place. Sex tourism is also linked to drug peddlers who search for long vacation tourists at cheap destinations. The economic impacts of tourism According to (Loomis and Walsh 1997) businesses and public organizations are progressively showing interest in the economic impacts of tourism at national, state and local levels as the tourism industry contributes to the nations balance of payment (BOP) and this provide a great supply of income (Tatoglu, Erdal, Ozgur, Azakli, 2000). The World Traven and Tourism Council (2012) reported that tourism can be beneficial to an economy in terms of increasing the Gross Domestic Product (GDP). Moreover, (Andereck Valentine, Knopf and Vogt 2005) reported that tourism industries can have a positive effect on the economy of a community by effecting diversity, and tax revenue. Furthermore tourism is taken into consideration as a determinant that provides a higher living standard and which effect to attract investors to do investments and tourists to spend which as a result creates greater benefits than costs (Brida, Osti Faccioli, 2011). The benefits that tourism bring in an economy According to (Rithie, 2000; Carolson Millan, 2002; Getz, 2005) said that the events in a destination tend to improve the infrastructure and development capacity. (Westerbeek et al. 2005, p. 133) reported that when infrastructure is well articulated consisting of physical venues, accommodation and facilities such as transport can lead a an even to success and reducing costs, ameliorating the convenience of spectator, as well as the athlete and long term benefits for the local community when the event ends. Multiplier effect Tourism as a supply of income is difficult to measure, this is because it creates multiplier effect (Clarke et al, 2009; Brida et al, 2010; Rastegar, 2010). Multiplier effect is the abundance of money which is generated due to tourist spending in an economy it increases as it passes through different areas of the economy (Dritsakis, 2008; Boopen, 2006. Tourism does not only leads to employment opportunities but also motivates growth in the primary and secondary sectors of the industry. Primary tourism sectors namely, lodging, dining, transportation, amusements and retail trade are influenced directly and most of the other sectors are have impacts of the secondary effects. Direct effect in the economy These are production changes which are linked with the actual effects of changes in tourism expenditures. An increase in the number of tourists staying in a hotel would lead to an increase in profits due to sales in the hotel sector. Direct effects of tourists spending also include hotel payments for wages and salaries, taxes, and supplies and services. Indirect effect in the economy This is the re spending of the hotel industrys revenues in other behind industries. For example industries which supplies products and services to hotels. Modification in sales, jobs, and income in the linen supply industry shows another area of indirect effects after all connecting hotels to various degrees to multiple other economic sectors in the region. Induced effect in the economy Induced effect is the household income earned directly or indirectly by tourism spending. For example employees from the hotel and employees from the linen supply are supported directly and indirectly by tourism, they spend their money in the local region expenses of housing, food, transportation and spending of added wage, salary, or owners income are considered as induced effect. Indirect effects of tourism on GDP (Gross Domestic Product) Tourism is a big constituent of the services economy, representing 30% of international trade in services. Taking into account of the revenue, the T20 countries generate nearly 70% of global tourist activity. In addition, the contribution that tourism can make to the growth of the economy is found in its indirect impacts, which in the T20 countries showing over 45% of tourisms total contributions to the GDP. These indirect impact which are linked both to goods and services bought by the tourism sector and to investment and public spending multiplied by tourism are an important factor of economic growth. The exchange rate effect of tourism Tourism is a major foreign currency earner as it supplies the market with foreign currency and this market would not exist if tourism would not be so large. This diminishes the cost of foreign currency below what it would otherwise be. Creation of employment According to (Bridenhann and Wickens, 2004), tourism is an industries among many other industries which has the highest power to contribute towards job creation and economic development, especially in rural areas. Environmental impact of tourism Negative environmental impacts takes place when the level of visitors in a country exceeds the carrying capacity of an environment or use greater space that is required for an environment. When it is uncontrolled, it brings threats to many natural areas around the world. The environment quality, natural and man-made is of great importance to tourism. However, the relationship with the environment is intricate. The environmental impact is related with the construction of the general infrastructure in a destination such as roads and airports, and of the facilities of tourism, such as resorts, hotels, restaurants, shops, golf courses. As the negative impacts of tourism can destroy the environment in the long-term, and these impacts should be minimized. Further literature of the negative environmental impact of tourism is as follows: Land Degradation The important resources of land are fertile soil, forests, wetlands and wildlife. Due to an increase in the construction of tourism facilities there has been pressure on these resources. Direct impact can be caused by providing tourists with the facilities needed such as accommodation and other infrastructure needed on the environment. Moreover, when there is deforestation, forest often suffers from this disaster. Air and noise pollution Pollution is something harmful that begins into the environment and these harmful materials are called pollutants. It can be natural such as volcanic ash. Pollution can be also produced by human activity for example trash or runoff produced by factories. Pollutants damage the quality of air, water and land. There are various things that are useful to people create pollution. Cars eject pollutants from their exhaust pipes. Burning coal to produce electricity pollutes the air. Industries and homes spread garbage and sewage that can pollute the land and water. Impacts on Biodiversity Tourism can cause loss of biodiversity in various ways for example by competing the wildlife for habitat and natural resources. Negative impact on biodiversity can be caused by trampling, stress in animals, import of invading species, destruction of habitats, marine habitat deterioration. Strain on water resources Water is one of the important resource that is needed to survive and for a business to continue to operate water is need in the everyday operation of the business. Hotels use water in swimming pools, golf courses and also water is used by the tourists for personal use. Therefore there is a tendency for shortage of water and generating a greater volume of wastewater. Energy Utilisation Hotels use huge volume of water. Tourists staying in a hotel use on average 1/3 more water per day than a local inhabitant. The consumption of energy per m2 per year by one star hotel is 157kwh (380 KWh in a four star hotel) (EEA, 2003). However, the infrastructure is not suitable as it has been designed to cope with peak periods. The role of the UNWTO, (United Nations World Tourism Organisation) towards the environment In order to prevent the unfavorable impacts of climate change, the IPCC reports 2007 need 25-40% emission reduction sphere for the Annex 1 Parties (industrialized countries) by 2020, compared to the basis year 1995.

Dr. Martin Luther King Jr. - A Model of Courage Essay -- Dr. Martin Lu

Dr. Martin Luther King Jr. is a Model of Courage To be courageous is necessarily connected with feeling personal danger. If no danger exists, no courage is possible. To show true courage, one must be nonviolent. Violence is the last resort of a coward. For one's courage to truly effect a situation, one must convince others to show the same type of courage. The perfect embodiment of moral courage in the face of serious personal danger is Martin Luther King Jr. King stood up to bigotry through his words and actions. He showed courage without simply thinking that danger may exist, but knowing that danger would exist. He felt that the only way to truly stand up and make a difference is to be punished for just actions. This will inspire followers to show the same impressive courage. Despite nonviolence, King was arrested on a multitude of occasions for breaking the segregation laws of his time period. During one of these arrests, King reflected on his stance in a letter to his fellow clergymen from Birmingham Jail. "There are two types of laws: there are just and there are unjust laws.. An unjust law is no law at all... So I urge men to disobey segregation ordinances because they are morally wrong... One who breaks an unjust law must do it openly, lovingly... and with a willingness to accept the penalty" King is saying that to show moral courage one must not only break the unjust laws, but one must also desire to be caught. To break an unjust law and not be punished will not serve to change the law. King took his own words to heart and broke segregation laws whenever possible. He did this while not just in the face of danger, but with danger breathing down his neck. His ability to endure punishment for a just act inspi... ...at they cannot sit idly by just because the injustices of the time do not affect them. One must act to preserve justice for all, even if one is not the target of injustice. King's moral courage had a profound effect on all those of his time period and in the future. His life and actions have significance for all people, both then and now. King's courage not only changed the world, but his words of many years ago tell people today that the fight is not over. There are people dying due to injustices all over the world. King's words about problems of the past apply to the problems of today. Injustice in the Middle East affects the justice in the life of an average middle income American. Thus, even in death King is able to call us to action. Through openness, nonviolence and a commitment to future justice, King is a model of courage in the face of personal danger.