Successes and Failures of Signals Intelligence Essay Example For Students

Successes and Failures of Signals Intelligence Essay 3 SEP 2002SUCCESSES AND FAILURES OF SIGNALS INTELLIGENCEThe United States must be prepared to deploy against sophisticated and unsophisticated adversaries on a moments notice. The enemy may have little concern for the Hague Convention, which seek to limit collateral damage and noncombatant casualties. Signal Intelligence provides foreign data that analysts can collect, process and analyze into intelligence information. Whoever has the ability to control and exploit the electromagnetic spectrum, which ranges from zero to infinity, will know their enemies vulnerabilities, create opportunities, achieve tactical surprise, and result in mission accomplishment. Considerations such as successful and unsuccessful collection in Signal Intelligence will be a tremendous factor in planning and the execution of U.S. military operations. There are numerous accounts of the successful gathering of Signal Intelligence that prove to be of use. The rapid advancements in microelectronic technology forc es the government to design and manufacture sophisticated new radars, airborne reconnaissance, and surveillance platforms; they offer superior capabilities over previously employed systems. Having accredited systems and networks, in accordance with Department of Defense guidance, will ensure that units are within regulations while collecting signals. To obtain the most beneficial information, analysts need to be properly trained in the latest and greatest data sets. Staffing 100% qualified personnel in strategic locations will lead to optimal performance in signals analysis; commanders should provide the capability of target redundancy with different forms to ensure that collection requirements are met. Lastly, understanding commanders intent and the focus of effort are critical ingredients for success. Despite the factors that lead to success, there are just as many failures, which need to be discussed. Failures are the temporary or possible permanent annihilation of the ability of a mechanism to perform its required purpose. The number one failure in signal intelligences is bureaucracy. All of the policies, guidelines, rules, procedures, course of actions, and laws, create so much red tape, that signal analysts cannot do their jobs, which is to collect, process, or analyze foreign intelligence information. Once the analyst work through the political rubbish, the opportunity for collecting Signal Intelligence may have disappeared. Units that try to use lethargic and robust radars against state of the art Electronic Security will provide marginal data if any; the Electronic Security provides firewalls, secure logins, and offers protection resulting from measures that are designed to deny unauthorized persons access to information. Some radars have the ability to use passive tracking, which means that there is no target illumination by the tracking system. Passive radars are difficult to counter and offer little results; by the time intervention occurs, a succe ssful collection opportunity has been denied. Stealth technology degrades signals collection because the targets are designed to absorb signatures and operate undetected against known radars. Target that modify their radar cross sections are, formulate collection failures; the geometrical returns are altered or diverted into space. Inexperienced analysts that cannot analyze the signals and determine what is interference or modified equipment signatures will facilitate a delay in a commanders decision. Most Signal Intelligence failures are caused by failures of analysis, not failures of collection because relevant information is discounted, misinterpreted, ignored, rejected, or overlooked because it fails to fit a prevailing mental model or mind-set. We will write a custom essay on Successes and Failures of Signals Intelligence specifically for you for only $16.38 $13.9/page Order now Implicit communications are essential to commanders because they remain the most effective means for converting information into effective decision making. This is one of the most important portals for the United States. If an analyst can provide the best possible information well in advance to decision makers, and a vital decision is achieved, then Signal Intelligence is a success; on the down side, if the information is not collected, processed, or analyzed in a timely manner, for one reason or another, a failure has been attained.

Strong emotional impact on audience Essay Example

Strong emotional impact on audience Essay Example Strong emotional impact on audience Essay Strong emotional impact on audience Essay Choose a production you have seen during your course, which made a strong emotional impact on audience. Discuss in detail one scene or section that made an impact on you. You will need to refer to the activity on stage, the audience reaction possible lighting, sound, set design or custom.  I have chosen to write about the production Blood Brothers by Willy Russell due to the reason I have been studying the story as a section in my course.  The scene that I shall be discussing is the very last scene in which Mickey is seen to have a lot of anxiety towards Linda and Eddie. Mickey has a lot of anger and range as he has just seen Linda his wife and his best friend Eddie kiss. The scene begins in the setting of the town hall were Eddie the rather successful one is holding a meeting with two councillors. He is dressed up smartly due to the job he does this conveys his status which is also ironical due to the fact that his blood brother Mickey is not very successful in life. The scene continues with Mickey who enters erratically interrupts him. Mickey is breathing awkwardly this make the audience unsettle as the way they have seen Mickey as a child, is a change as you see someone completely different at the end than you saw at the begging as a load playful child. The lighting is quite bright and concentrated on the main stage and characters. There are no other sound interruptions as this helps the audience pay attention to what is being said on stage. Mickey pulls out a gun, which shocks the audience and also Eddie as it is intended for him. The audience is becoming more aware of the situation and how it may end. The audience has already reached an emotion point due to the past events that have made the audience more intact with the story. The audience are always aware that it will not be a happy ending as the Narrator has pointed out in his singing. I think that this scene conveys how a child can be affected by society. Taking Mickey as an example of the child and his family and friends and the way he has been treated by the law is the society. This is why Mickey is so angry. Edward and Mickey argue for a while. Edward is clearly treated by Mickey but is also trying to keep him calm.  Mickey is outraged and talks about how Lindas child could have been Eddies. Mickey is confused and this is portrayed to the audience by there is continues pauses between his speech. Mickey is lower status than Eddie due to the fact that Mickey is wearing jeans and a black casual jacket. A person dresses according to there lifestyle as Mickey does not have a lot of money he wears what is comfortable to him. Eddie has a career that demands him to be smart he is also paid for being smart this shows how status is reflected in different types lifestyle. There is a lot of tension in the room the audience feel sorry for Mickey but are also concerned for Eddie. Mickey is rather pale at the end due to the fact that he has been though a rather depressing period in his life and this has drained all of the life out of him. He is very nervous he occasionally shaking his gun shows this. All of these factors combined give two views to the audience that Mickey is the hopeless one and that Eddie is more enhanced one this is why the audience understand what has pushed Mickey so far that he is in the position of killing his brother. The character of Mickey says I stopped taking the pills he is implying the anti-depressant pills this shows that at one point Mickey felt as though he had hope and it has all now gone. Edward tries to keep quite as he tires not to be noticed by Mickey too much. Eddies hand gestures are small and he does not move around the stage too much he stand in a position pleading with Mickey. On the other hand Mickey is fuming around the stage he is thinking to him self as well as confronting Eddie. I think that the characters are positioned in such an opposite way because they try to portray that they are so unalike. When the police enter from the two stage doors situated in the audience this grabs the audiences attention. I think that this was cleverly done as the audience now feel as though there are in side the scenes they are actually apart of what is going on. The entrance of the police is unexpected therefore the result is that the audience are on edge of there seats. The voices of the police are extra load as the officers have a mega phones. There is a lot of commotion due to this the police plead with Mickey. In this scene there is a set above the stage where Mrs Johnston is watching I think this shows how the mother wants to be there for both of her sons. Mrs Johnston is worried about the outcome throughout the play he had a guilty conscience she knows that something like will happen.

Discuss the role of the laboratory in the diagnosis, classification Essay

Discuss the role of the laboratory in the diagnosis, classification and monitoring of the Myelodysplastic syndromes - Essay Example The main pathophysiology in this condition is that the hematopoietic stem cells do not mature in a proper fashion to healthy erythrocytes, leukocytes and platelets resulting in low counts of mature cells and abnormal morphology. Thus there are many immature cells which do not function in a proper manner leading to several complications. MDS an be primary or secondary. Secondary MDS can occur due to several causes like exposure to radiotherapy or cytotoxic chemotherapy for another cancer, intensive pretreatment for patients with autologous bone marrow transplants, viral infection, genetic predisposition or exposure to chemicals like benzene (Emmanuel and Woermann, 2009, Nguyen, 2009). Exposure to heavy metals like lead and mercury can also result in this condition (National Cancer Institute, 2010). 80-90 percent of cases occur in those who are above 60 years of age (American Cancer Society, 2010). The incidence is men in at least 2 times more than in women (Emmanuel and Woermann, 2009). The condition is found worldwide and affects all races and ethnic groups (Emmanuel and Woermann, 2009). The condition is associated with significant morbidity and mortality. More than 30 percent cases of MDS transform in acute leukemia (National Cancer Institute, 2010). Survival following the diagnosis of MDS is variable and dependent on the prognostic factors (Stone, 2009). The survival can occur from months to years (National Cancer Institute, 2010). In children, the course of the disease is more aggressive and the mean survival is less than 10 months (Tilak et al, 2008). In many patients, MDS is often detected late due to absence of early symptoms. In some others, routine hematological examination may reveal the condition. Those who have advanced disease present with signs and symptoms related to the cytopenias like shortness of breath, pallor, easy fatigability, easy bruising, uncontrollable bleeding, frequent petechiae, fever and frequent infections (National Cancer

Elementary Education Major Research Paper Example | Topics and Well Written Essays - 1250 words

Elementary Education Major - Research Paper Example In this paper, I want to explain why I regard this course to be among the best courses given in our universities, its benefits, and some of the challenges that one can encounter as a profession. I am planning to bring-out my original assumptions, my findings from research and my final discoveries. What I Know, Assume or Imagine What I know is that several universities and constituent colleges distributed throughout this country offer this course. However, each university has specific qualifications requirements for admission in this course. The course takes four years when studied on full time bases. I am aware that the course involves assessments that vary depending with the intended purpose. For somebody to graduate, it is mandatory that the person must have passed all the assessments. My assumptions are that University of Florida is the best in offering this course and that it is among the ones that admit most students on the course. Another assumption that I have is that after th e four years of study and successful assessments I will come out of this university a fully qualified and competent elementary school teacher. I also have an assumption that I will be able to obtain a job soon after graduation. In addition, I have the assumption that that the course might be involving but not that much challenging and that I have full ability to handle it. What I imagine is how the teaching process and assessment process will be looking like. I imagine an assessment like being told to teach an elementary class while you are being assessed by a tutor or a supervisor. I also imagine what the course content might be. My imagination is that it will contain some course units teaching about learning behaviors and effective running styles. In this imagination, I suppose that it will criticize cramming and emphasize on understanding among students. Most of these imaginations, that I am not sure of them, might be true or false and might exist or not exist. The search One maj or component found in elementary education major course is field experience (Freshman Academic Advisory Services 3). Thus as an education major I should expect to find various fieldwork tasks throughout my training period. In most cases, supervisors or tutors will offer guidance and coaching on how those fieldwork activities should be effectively undertaken. Such activities could be both challenging and enjoyable depending on personal traits and characteristics. According to Harmon and Jones (20), the focus of education has changed from schooling as a preparation for participation in society to schooling as a vehicle to social change. Therefore, education professionals are required to develop not only the teaching skills but also interactive skills necessary for generating social change among students. As an education profession in the making, I am prepared to develop and nurture those skills that will make me a better elementary schools educator by the end of my training. The eleme ntary education should recover the characteristic compassion of children, which requires nurturing and protection from corruptive social forces (Letts and Sears 28). As an elementary school educator, I realize that I will be the one expected to play the key role in recovering this characteristic compassion of children among my students. I should thus ensure that I gain the required skills and tactics required to

The corporate communications function of Microsoft Essay

The corporate communications function of Microsoft - Essay Example The firm that is analyzed in the paper is Microsoft as one of the largest and most well-known information technology companies in the world. Its internal and external communicational strategies have been analyzed to uncover how the company has been able to generate value for itself and also for its stakeholders. The study has revealed that the organizational communication plays a vital role in the success of a company. The internal communication comprises of the interaction among the employees and staff and the external communication includes the communication with the customers and notable external stakeholders like the investors. The company has improved its internal communication by incorporating advanced telecommunication technologies to virtually bring the employees together who are separated by national borders. It has been found that the communicational strategies incorporated by the company have helped to develop team work, productivity, and efficiency. The external communica tional strategies of the company include its marketing communications and promotional campaigns. Microsoft has developed its advertisements to highlight the brand image of the company and to create customer awareness about its products. It has leveraged its financial prowess to develop robust promotional campaigns. Finally, it has been concluded that the company has successfully designed its communicational process to increase its value generation and it has been recommended that in order to further improve them, it should adopt an integrated marketing strategy and adopt content localization.

Negative Impact of Uneducated Women in Third World Countries

Negative Impact of Uneducated Women in Third World Countries Armed and Educated: Negative Impacts of Uneducated Women in Third World Countries as seen in Malala Yousafzais Memoir, I Am Malala As the Western society continues to progress, it is becoming increasingly evident that the barriers that once restricted and defied millions of women around the world, are slowly being deconstructed and reconstructed as society begins to change its views on gender parity and feminism. This is not only reflected in womens new roles and jobs within the Western society, but also in politics as women are now able to run and vote. On the other hand, despite the progress, millions of girls in non-Western developing areas such as South Asia and Sub-Saharan Africa, still continue to suffer severe disadvantages as they are often subjugated by men and stripped of their basic human rights. One of these basic rights includes the right to an education, yet, most girls in non-Western societies are excluded from the education systems throughout their lives. This is a huge problem as the lack of education is what is creating the barrier that prevents women from obtaining equality in society. Recent research and evidence has shown that education is one of the most critical areas of empowerment for a girl, overall leading to a healthier and more productive life. However, since their rights are taken away from birth, they lose the right to learn, grow, and succeed in life. In her memoir I Am Malala, Malala Yousafzai, a Pakistani activist for female education and the youngest-ever winner of the Nobel Peace Prize, accurately depicts the struggles and negative impact of uneducated women in third world countries. There are many factors that contribute to a developing nations extremely low female literacy rate. One of the primary reasons for this is the lack of proper schooling facilities, qualified teachers, and/or teaching aids such as textbooks. This is especially true for girls living in more remote areas of the country. Additionally, in many parts of the developing world, the nearest school to a community might be a four to five-hour long walk. Apart from it being exhausting and time consuming, girls also face the threat of violence or sexual assault on the way to school. Thus, many parents opt to keep their daughters at home. According to UNESCOs regional overview on sub-Saharan Africa in 2013, more than 68% of the girls that do make the long journey to school everyday end up dropping out before they complete primary school (Stepp). Malala further supports this as she witnesses most of the children in refugee settlements were not going to school. Sometimes there was no school. Sometimes it was unsafe to walk to school. And sometimes children were working instead of being educated (Yousafzai XIX). Furthermore, another main reason why many families in developing countries choose not to educate their daughters is because they cannot afford it as there are a lot of costs associated with it. The cost of uniforms, textbooks, and schooling facilities can be too much to bear for a family living in poverty. For the families that can afford it however, boys are often favored to receive an education over girls. This is especially evident during Malalas trip to Nigeria when she discovers that many girls were [her] age and all had dreams of being doctors or teachers or scientistsà ¢Ã¢â€š ¬Ã‚ ¦ but only 4 percent of girls in Northern Nigeria finish school (Yousafzai XVIII). Lastly, another reason for the lack of female education in developing countries is the cultural beliefs and gender norms of the society. In the male-dominated society, women are typically viewed as nothing m ore than the property of the men. Most cultures believe that a womens sole purpose is to serve the men of the house, do household chores, reproduce and care for the children while the man goes out to provide for the family. Due to these misguided gender norms, many girls do not have the opportunity to attend school because their contributions to the household are valued more than their personal education. These gender norms are extremely prevalent when Malala states that [she] was a girl born in a land where rifles are fired in celebration of a son, while daughters are hidden away behind a curtain, their role in life simply to prepare food and give birth to children (Yousafzai 13). In any case, millions of women in developing nations are unable to receive an education and this has several negative impacts on different aspects of womens lives. The negative effects that uneducated women have on their society include both personal and social factors. For starters, many women that are uneducated are more susceptible to early marriages usually against their will (in some cases girls as young as eight or ten). This results in millions of illiterate young girls without the appropriate tools to build healthy, educated families. The Voices of Youth organization stated that for every year a girl stays in school past fifth grade, her marriage is delayed a year (Madu). Similarly, Malala emphasizes this point when she states that à ¢Ã¢â€š ¬Ã‚ ¦[parents] are just waiting for their daughters to be married off while the sons went to school (Yousafzai 29). This in turn, leads to most girls giving birth at an extremely young age, resulting in a higher mortality rate among young girls during child birth or simply because the child is unhealthy. Studies have shown that an extra year of schooling for girls also reduces fertility rates by 17% (Joshi). Secondly, uneducated women also have a lot of difficulty communicating and expressing themselves at home or in public. Doing simple tasks like reading signs or paying at the grocery store proves to be quite difficult for many young women as they have not had the opportunity to learn how to read. Malala relates a story of a young girl she saw selling oranges. She was scratching marks on a piece of paper with a pencil to account for the oranges she sold, as she could not read or write (Yousafzai 217). Lastly, the lack of educated people in developing countries is what allows educated people to exploit their ignorance. This is especially true of the government or religious leaders that use fear and ignorance to bring themselves to power or to have a huge portion of the population under their control. For example, several times throughout her memoir, Malala states that the lack of education is the root of all of Pakistans problems, and that ignorance allowed politicians to foo l people and bad administrators to be re-elected (Yousafzai 41). The government makes promises and manipulates people to the point where people are convinced that the corrupt authorities are fit to be in power. After elections, however, all the promises that are made are forgotten and the nation suffers for years before another election takes place and the same thing happens all over again. What is worse is using a natural disaster that devastated a nation to preach religious extremes. This is portrayed several times throughout Malalas memoir- after an earthquake struck Pakistan, religious leaders called Mullahs preached the earthquake was a warning from God. They said it was caused by womens freedom and obscenity. If we did not mend our ways and introduce Sharia or Islamic lawà ¢Ã¢â€š ¬Ã‚ ¦ more severe punishments would come (Yousafzai 107). Preaching misinterpreted verses from the Quran and exploiting the ignorance of people who did not understand Arabic worked well to their adva ntage as fear made it particularly easy to manipulate them. As can be seen, the lack of education has severe negative impacts which can easily be prevented if women are educated. Education has so many benefits, but lack thereof blinds people to the fact that knowledge is power and it is one of the most powerful weapons against mass manipulation and exploitation. Education, especially in developing countries, is extremely valuable as it can solve many of the countrys problems. Educating women of the country comes with its own list of benefits, most of which people are ignorant towards. Firstly, it is no secret that poverty and illiteracy go hand in hand. Research has shown that most illiterate women live in countries with increasing economic difficulties and enormous debt burdens (Madu). What citizens of developing countries refuse to acknowledge is that the solution lies in educating their women. When women are educated, it enables them to contribute to their countrys income as more women begin to join the labor force. According to UNICEF, when ten percent more women attend school, GDP increases by three percent on average (UNICEF.org). This may potentially abolish poverty and many of the other problems developing countries are faced with. Secondly, women who are well educated and receive an independent income will naturally find their voice not just in the family, but also within their society. In other words, women gain the self-confidence and courage they need to speak out and resist the injustice they see around them, or are facing themselves. This is directly reflected in Malala herself as she found her own voice growing up in [her] fathers school (Yousafzai 118). Knowledge is addicting and having the luxury of education from an early age left her craving for more, despite the threats of Mullahs and the Taliban. Thus, she continues to advocate for womens right to education. Furthermore, the role that educated mothers play in reducing infant and child mortality is profound. Results in Africa indicate a 40% in child survival for mothers with five years of primary education (Wade). This is because educated women tend to have fewer and healthier children. In addition to this, when women are educated, they are more likely to ensure that their children are also educated leading to a future generation that is well equipp ed to contribute to society. It is rightly said that investing in a girls education is investing in a nation. In fact, there is an African proverb that says, If we educate a boy, we educate one person. If we educate a girl, we educate a family- and a whole nation (Stepp). To conclude, education not only removes ignorance, but allows for women to unleash their full potential by becoming conscious, skilled and productive citizens. All in all, it is proven that educating women in developing countries is the solution to reducing the issue of gender parity as well as enabling womens full potential, while simultaneously boosting their developing nations economy. The proof lies not only in Malala Yousafzais memoir, I Am Malala, which accurately represents the struggles of uneducated women in developing countries, but also in the statistics that show the negative impacts of uneducated women as well as the benefits of education.   Educated women obtain the knowledge, skills, and self-confidence that they need to lead healthier, more productive lives while raising the standards of living for their families and communities. It is hard to believe that the solution lies in half the worlds population, yet so many leaders are oblivious to it or are refusing to change their methods. Works Cited Girls education and gender equality. Girls education and gender equality. UNICEF, 23 July 2015. Web. 23 Nov. 2016. https://www.unicef.org/education/bege_70640.html. Girls education: A lifeline to development. Girls education: A lifeline to development. UNICEF, 22 Mar. 2011. Web. 2 Nov. 2016. https://www.unicef.org/sowc96/ngirls.htm. Joshi, Mohit, Essay on Importance of Women Education. Essay on Importance of Women Education~. WOMEN EMPOWERMENT, 1970. Web. 13 Oct. 2016. http://hamroessay.blogspot.ca/2015/06/essay-important-of-women-education.html. Madu, Chima F. Education for Aspiring Young Women. Voices of Youth. 2013. Web. 12 Dec. 2016. http://www.voicesofyouth.org/en/posts/why-we-should-support-girls-4. Stepp, Lauren. Top 10 Reasons Why Female Education is Important-TBP. The Borgen Project. UNESCO, 2016. Web. 20 Dec. 2016. http://borgenproject.org/top-10-reasons-female-education-important/. Wade, Sarah. 5 Reasons You Should Care About Girls Education. United Nations Foundation.United Nations Foundation, 8 July 2013. Web. 17 Dec. 2016. http://www.unfoundation.org/blog/5-reasons.html. Yousafzai, Malala. I am Malala: the girl who stood up for education and was shot by the Taliban. New York, NY: Little, Brown, Company, 2013. Print. MLA formatting by http://bibme.org/ Bibliography Girls education and gender equality. Girls education and gender equality. UNICEF, 23 July 2015. Web. 23 Nov. 2016. https://www.unicef.org/education/bege_70640.html. Girls Education and Gender Equality. Global Partnership for Education. N.p., Sept. 2015. Web.20 Oct. 2016. http://www.globalpartnership.org/focus-areas/girls-education. Girls education: A lifeline to development. Girls education: A lifeline to development. UNICEF, 22 Mar. 2011. Web. 2 Nov. 2016. https://www.unicef.org/sowc96/ngirls.htm. Girls Education. Girls Education. The World Bank. n.d. Wev. 16 Dec. 2016. http://www.worldbank.org/en/tropic/girlseducation. Joshi, Mohit, Essay on Importance of Women Education. Essay on Importance of Women Education~. WOMEN EMPOWERMENT, 1970. Web. 13 Oct. 2016. http://hamroessay.blogspot.ca/2015/06/essay-important-of-women-education.html. Madu, Chima F. Education for Aspiring Young Women. Voices of Youth. 2013. Web. 12 Dec. 2016. http://www.voicesofyouth.org/en/posts/why-we-should-support-girls-4. Oneil, Micheal . Top 10 Facts You Dont Know About Girls Education. ABC News. ABC News Network, 7 Oct. 2013. Web. 7 Dec. 2016. http://abcnews.go.com/International/10-facts-girls-education/story?id=20474260. Roudi-Fahimi, Farzaneh, and Valentine M. Moghadam. Empowering Women, Developing Society: Female Education in the Middle East and North Africa. Empowering Women, Developing Society: Female Education in the Middle East and North Africa.   N.p., 2009. Web. 20 Dec. 2016. http://www.prb.org/Publications/Reports/2003/EmpoweringWomenDevelopingSocietyFemaleEducationintheMiddleEastandNorthAfrica.aspx Stepp, Lauren. Top 10 Reasons Why Female Education is Important-TBP. The Borgen Project. UNESCO, 2016. Web. 20 Dec. 2016. http://borgenproject.org/top-10-reasons-female-education-important/. The Worlds Women 2010: Trends and Statistics. United Nations Statistics Division Demographic and Social Statistics. United Nations, 12 Feb. 2011. Web. 4 Nov. 2016. http://unstats.un.org/unsd/demographic/products/Worldswomen/Executive%20summary.htm. Wade, Sarah. 5 Reasons You Should Care About Girls Education. United Nations Foundation.United Nations Foundation, 8 July 2013. Web. 17 Dec. 2016. http://www.unfoundation.org/blog/5-reasons.html. Yousafzai, Malala, and Christina Lamb. Free, safe, quality education is the right of every girl. The Malala Fund. N.p., n.d. Web. 21 Dec. 2016. https://www.malala.org/girls-education. Yousafzai, Malala. I am Malala: the girl who stood up for education and was shot by the Taliban. New York, NY: Little, Brown, Company, 2013. Print.

controversial issues :: essays research papers

Controversy is everywhere; people can take the least controversial things and make them controversial just for the sake of arguing about them. There are a lot of issues that are a big concern to people these days; issues that cause debates and become major issues in presidential elections. People take all kinds of views of these very issues and a lot of the time the bible is a big influence on people’s final decisions on how they feel. People believe things are wrong because the bible tells them that it is wrong. No matter what religion you are the bible in a very important piece of history in this society. Things like abortion and homosexuality are frowned upon because of the way the bible is interpreted. People feel that the sixth commandment â€Å"thou shall not kill† also goes for a fetus; or they take that a union is between a man and a woman means that people of the same sex can’t have the same sacred union. People take this out dated piece of history and try to apply it to our society today without taking into account that the human race has changed since the bible has been written.   Ã‚  Ã‚  Ã‚  Ã‚  When the topic of abortion comes up people refer to the bible’s sixth commandment â€Å"thou shall not kill† and they feel that having an abortion is killing a baby no matter what stage of the pregnancy it is in. People feel that abortion should not be legal. Professor of law at the University of Colorado, Paul Campos said, â€Å"Whether or not abortion should be legal turns on the answer to the question of whether and at what point a fetus is a person. This is a question that cannot be answered logically or empirically. The concept of parenthood is neither logical nor empirical. It is essentially, or quasi-religious idea, based on one’s fundamental (and therefore unverifiable) assumptions about the nature of the world.† People have different views on abortion, when it’s acceptable, when its not and some just think that no matter what the circumstances it is never okay. There are people that believe that abortion is only acceptab le under certain conditions such as the woman was raped or she got pregnant due to incest. Some people feel that an abortion acceptable when the woman is in danger. People who are more about the choice of the woman feel that abortion is okay when it is done in the first trimester. controversial issues :: essays research papers Controversy is everywhere; people can take the least controversial things and make them controversial just for the sake of arguing about them. There are a lot of issues that are a big concern to people these days; issues that cause debates and become major issues in presidential elections. People take all kinds of views of these very issues and a lot of the time the bible is a big influence on people’s final decisions on how they feel. People believe things are wrong because the bible tells them that it is wrong. No matter what religion you are the bible in a very important piece of history in this society. Things like abortion and homosexuality are frowned upon because of the way the bible is interpreted. People feel that the sixth commandment â€Å"thou shall not kill† also goes for a fetus; or they take that a union is between a man and a woman means that people of the same sex can’t have the same sacred union. People take this out dated piece of history and try to apply it to our society today without taking into account that the human race has changed since the bible has been written.   Ã‚  Ã‚  Ã‚  Ã‚  When the topic of abortion comes up people refer to the bible’s sixth commandment â€Å"thou shall not kill† and they feel that having an abortion is killing a baby no matter what stage of the pregnancy it is in. People feel that abortion should not be legal. Professor of law at the University of Colorado, Paul Campos said, â€Å"Whether or not abortion should be legal turns on the answer to the question of whether and at what point a fetus is a person. This is a question that cannot be answered logically or empirically. The concept of parenthood is neither logical nor empirical. It is essentially, or quasi-religious idea, based on one’s fundamental (and therefore unverifiable) assumptions about the nature of the world.† People have different views on abortion, when it’s acceptable, when its not and some just think that no matter what the circumstances it is never okay. There are people that believe that abortion is only acceptab le under certain conditions such as the woman was raped or she got pregnant due to incest. Some people feel that an abortion acceptable when the woman is in danger. People who are more about the choice of the woman feel that abortion is okay when it is done in the first trimester.

Heat Transfer Lab Report

UNSTEADY STATE HEAT TRANSFERHeat transfer processes are prominent in engineering due to several applications in industry and environment. Heat transfer is central to the performance of propulsion systems, design of conventional space and water heating systems, cooling of electronic equipment, and many manufacturing processes (Campos 3). Unsteady state conduction is the class of heat transfer in which the temperature of the conducting medium varies with time and position.This occurs frequently in industrial processes, especially food preservation and sterilization, where the temperature of the food or of the heating or cooling medium constantly changes (Farid2). The work reported here involves the investigation of unsteady state heat transfer in two cylindrical rods and the conformity of experimental results to different methods of theoretical analysis. Aluminum and Plexiglas cylinders were used. Thermocouples were placed at different radial and axial positions, and the cylinders, whi ch were in thermal equilibrium with an ice bath, were placed in a warm water bath at 370C.Temperature profiles were obtained using a data acquisition system on a computer. Theory The applicable form of the heat transfer equation for conduction in solids is given by (Welty1): If the thermal conductivity is constant and the conducting medium contains no heat sources, Equation 1 reduces to Fourier’s second law of heat conduction (Welty1).Equation 2 can be written in cylindrical coordinates as   (3) Assuming that no heat transfer occurs in the axial position, and temperature varies with radial position and time only, (4) Equation 3 therefore becomes (Welty1) (5) Nomenclature for all equations is shown in the appendices.For a cylindrical rod immersed in a higher temperature fluid, heat transfer occurs by convection from the body of fluid to the surface of the rod, and by conduction from the rod’s surface to its center. If conduction through the rod occurs much faster than convection from the fluid, convection is the rate-limiting heat transfer mechanism, and the temperature within the solid will vary with time only. This condition, in which the external resistance is large relative to the overall resistance, is the primary characteristic of a â€Å"lumped† system.The Biot number, (Bi = hV/kA), is a ratio of the internal (conductive) resistance to heat transfer, to the external (convective) resistance to heat transfer. A general rule of thumb is that a body can be assumed to be lumped if Bi < 0. 1 (Welty1). For lumped bodies, the temperature variation with time is described by Equation 6 (Welty1) For cases in which the internal and external resistances are significant, Equation 5 must be solved numerically or graphically to determine the temperature variation with position and time.Graphical solutions (Heisler charts) are shown in Welty1 for different shapes and geometries. To use the Heisler charts, three dimensionless ratios must be known, a nd a fourth will be read on the appropriate axis. These dimensionless ratios are: Y, unaccomplished temperature change=T? -TT? -T0 (7) X, relative time=? tx12 (8) n, relative position=xx1 (9) m, relative resistance=khx1 (10)DISCUSSIONBefore the data was analyzed, the thermocouples were calibrated and the voltage readings were converted to temperature. To achieve this, the final value from each thermocouple was set to be equal to the warm water bath temperature (370C), and the initial reading was set equal to the ice water bath temperature. Thus, for each thermocouple an equation was obtained using the two points to convert voltage readings to temperature. An example of the calibration for one of the thermocouples is shown in AppendixII. LUMPED ANALYSISTo determine if a lumped-parameter analysis could be applied, the Biot numbers for the systems were calculated (shown in Table 1). Table 1: Biot numbers for the aluminum and Plexiglas cylinders. | Bi| Aluminum| 0. 07| Plexiglas| 81| Si nce the Bi value of the aluminum system is less than 0. 1, convection from the water to the surface of the cylinder is the rate limiting heat transfer mechanism. Thus, a lumped-parameter analysis can be safely applied. The Plexiglas system, on the other hand, has a Bi >> 0. 1, and the rate limiting mechanism is conduction in the cylinder.The temperature-time plot gotten by applying a lumped-parameter analysis (Equation 6) to the Aluminum cylinder was compared to the plot obtained from the thermocouple located closest to center of the cylinder. This thermocouple is chosen for comparison because it is located farthest from the heating source and will have a temperature history that differs most from an ideal lumped system. With this thermocouple, we should therefore obtain the maximum error associated with applying a lumped-parameter analysis to the system.Figure 1: Temperature history plot for the aluminum cylinder. The thermocouple is located 0. 25 in away from the center. A lumped parameter analysis is also shown in Figure 2 for the Plexiglas cylinder to illustrate the error encountered by applying Equation 6 to â€Å"un-lumped† systems. Figure 2: Temperature history plot for the Plexiglas cylinder.COMPARING TEMPERATURE HISTORY AT DIFFERENT RADIAL POSITIONSBased on their Biot numbers, it was expected that the temperature history plots at different radii for the aluminum cylinder should follow a similar path, while those for the Plexiglas cylinder shouldn’t. Figure 3: Experimental temperature for the aluminum cylinder history at various radial positions. Figure 4: Experimental temperature for the Plexiglas cylinder history at various radial positions. Figures 3 shows that the temperature curves are all the same at different radii in the aluminum cylinder.This is attributed to the fact discussed earlier that the aluminum cylinder behaves as a lumped system, that is, there is negligible resistance to internal heat transfer (conduction). Figure 4, o n the other hand, shows differences in the temperature history plots at different radii in the Plexiglas cylinder, confirming that conduction through the cylinder is the rate limiting heat transfer mechanism.GRAPHICAL SOLUTION –HEISLER CHARTSFor systems that cannot be accurately modeled by lumped-parameter solutions, such as the Plexiglas cylinder, we must resort to other analytic methods.Graphical solutions in Heisler charts (Welty1) were used to estimate the temperature history at three thermocouples. These plots are compared with the experimental plots in Figures 5 – 7. Figure 5: Experimental and graphical-solution temperature history plot. The thermocouple is located at a radius of 1. 25 in away from the center. Figure 6: Experimental and graphical-solution temperature history plot. The thermocouple is located at a radius of 0. 50 in away from the center. Figure 7: Experimental and graphical-solution temperature history plot. The thermocouple is located at the cent erline of the cylinder.The percent differences show that predicting the temperature history using Heisler charts produces much error. This method was open to mistakes for the following reasons: 1. Curves on the charts are drawn for integer values of relative time, position and resistance. Therefore, reading and approximation errors result when decimals to be read are not shown on the axes. 2.Some areas of the Heisler charts are so crowded with lines that reading a value with accuracy is nearly impossible. 3. When producing the charts, Heisler did calculations for some set of numbers and then linearly connected the points on a logarithmic-linear modified scale. Dimensionless ratios obtained from the charts are thus slightly different from their real values (Dilsiz4).NUMERICAL ANALYSIS – MATLABEquation 5 was solved numerically using MATLAB. The code used is provided in Appendix IV. The solutions were extracted to Excel and plotted (Figures 8 and 9).The temperature plots at diff erent radii for the aluminum cylinder are superimposed and therefore indistinguishable. This further demonstrates the fact that the temperatures at all points in the aluminum system were identical. Figure 9, on the other hand, shows that the Plexiglas had varying temperatures at different points. Figure 8: Numerical Solution from for the aluminum cylinder. Results were found using MATLAB and plotted in Excel. Figure 9: Numerical Solution from for the Plexiglas cylinder. Results were found using MATLAB and plotted in Excel. The results obtained from the numerical analysis were compared with experimental data.Table 4 shows the average percent differences between their values. The percent differences for the Plexiglas cylinder are significantly lower than those obtained when using the Heisler charts (see Table 3). This suggests that the numerical analysis using a partial differential equation solver is a more reliable method of analyzing the data for the Plexiglas cylinder. Table 4: Av erage percent differences between experimental results and the numerical analysis solution. Radius (in)| Average % difference| | Aluminum| Plexiglas| 0| -| 7. 54| 0. 25| 3. 68| 5. 81| 0. 5| -| 5. 75| . 75| 2. 99| -| 1| 3. 35| 6. 34| 1. 25| 2. 27| 4. 92| | | | Average| 3. 0725| 6. 072|CONCLUSIONThe rate limiting heat transfer mechanism for the aluminum and Plexiglas cylinders were convection and conduction, respectively. It was found that the temperature history for the aluminum cylinder conformed to a lumped-parameter analysis while that for the Plexiglas cylinder didn’t. This was expected based on the Biot numbers calculated for the two systems. Temperature profiles obtained from Heisler charts produced much error, and deviated significantly from experimental data.For the Plexiglas cylinder, the numerical analysis using MATLAB, although tedious, provided the least error when compared to experimental results. The temperature histories at different radial positions were compar ed: the temperature-time curves for the aluminum cylinder overlapped, that is, the temperatures were the same at different radial positions. On the other hand, there were significant differences in the temperature-time curves for the Plexiglas cylinder. This is attributed to the fact that the aluminum rod was lumped, while the Plexiglas wasn’t.SOURCES OF ERRORIt was assumed that no heat was transferred through the ends of the cylinders. This may have induced some error in the analysis. If there was indeed significant heat transferred through the ends, two thermocouples placed at the same radius will report slightly different temperatures, with the one closer to the edge being heated faster. As discussed earlier, error is introduced when reading the Heisler charts. These errors were considered minor, and were not substantial enough to affect the major conclusions drawn from the analysis.SAFETY CONSIDERATIONSThe proximity of water baths to electrical equipment presented an elec trical hazard.It was important to make sure not to spill water when transferring the cylindrical rods between baths. We also made sure to move any movable electrical equipment as far as possible from the immediate area. The baths used weren’t hot enough to cause scalds upon contact with the skin. Safety glasses and closed-toed shoes were worn throughout the duration of the experiment.REFERENCES1. Welty, James R. , Charles E. Wicks, Robert Wilson, and Gregory L. Rorrer. Fundamentals of Momentum, Heat, and Mass Transfer. New York: Wiley, 2001. Print.2. Farid, Mohammed M. Sterilization of Food in Retort Pouches. New York, NY: Springer, 2006. Print.3. Campos, Marco, Estaner Claro Romao, and Luiz Moura. â€Å"Analysis of Unsteady State Heat Transfer in the Hollow Cylinder Using the Finite Volume Method with a Half Control Volume. † Applied Mathematical Sciences 6. 39 (2011): 1925-931. Print.4. Dilsiz, Resul, and Onur Y. Devres. â€Å"Graphical Solution of the Transient Hea t Transfer Problem. † AIP Conference Proceedings 1048. 855 (2008).

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Taking and Bringing Taking and Bringing Taking and Bringing By Maeve Maddox Carol Roberts Smith asks: Why can’t we ‘take’ anything anywhere anymore? Why do we have to ‘bring’ it. It sounds weird to me to say bring or brought. ‘I brought lunch to work’ I can live with, but ‘I have to bring this back to the store’ makes no sense to me. I’m taking it back to the store one way or another. Help me understand please. I notice it on TV a lot now too. Thanks! Both bring and take have numerous meanings. One can, for example, take medicine, take the Fifth, take a liking to, take it on the chin, take a partner, take in a stray, take up for a friend, take out a date, and take an oath. One can bring to bear, bring tears to the eyes, bring something up, and challenge someone to bring it on. The OED entry for take lists 93 numbered definitions. The one for bring has 27 numbered definitions. The definition that concerns us here is Number One: bring:  1. To cause to come along with oneself; to fetch. It includes ‘lead’ or ‘conduct’ (F. amener) as well as ‘carry’ (F. apporter); it implies motion towards the place where the speaker or auditor is, or is supposed to be, being in sense the causal of come; motion in the opposite direction is expressed by take (Fr. emmener, emporter).  Ã‚   When the words are used to express the conveying of something or someone to or from a given point, the choice between bring and take is clear: If the person or thing is going away from where you are, use take. If the object or person is coming to where you are, use bring. Some examples of the correct use of bring and take: Im taking this blender back to the store. Im taking my girlfriend to the movies. Please bring your wife to the party. Dont forget to bring me that book next time you visit. Jacquelyn Landis has also written a DWT post on bring and take for DWT. Want to improve your English in five minutes a day? Get a subscription and start receiving our writing tips and exercises daily! Keep learning! Browse the Vocabulary category, check our popular posts, or choose a related post below:Useful Stock Phrases for Your Business EmailsThe Letter "Z" Will Be Removed from the English Alphabet50 Plain-Language Substitutions for Wordy Phrases

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