Sunday, May 17, 2020

Gender, Gender And Race, By Christine Overall And Cressida...

Christine Overall and Cressida Heyes are two authors who argue whether transracial surgery is legitimate under the condition of that transsexual surgery is acceptable. Their arguments are opposing to each other. Overall insists that both surgeries should be acceptable while Heyes does not agree with Overall. They both agree with that race and sex-gender are socially constructed. Thus, Overall has no problem with the concept of identity changes—for both sex-gender and race—however, Heyes argues that they are not constructed in the same way. Christine Overall is advocating the claim that transracial surgery is not problematic if transsexual surgery is acceptable. She brings possible arguments and discusses them against â€Å"rejecters of†¦show more content†¦Someone might point out that people who want to have the surgery for identity change, which can be either sex or race, are not be able to make a right decision or psychologically confused. However, Overall suggests that we have seen many people who did not have any problem in their work, relationship, and life after the surgery. If we assume that someone wants to change his or her identity due to a confusion, this case must be considered with oppression and discrimination that this person has experienced. Thus, it is not correct to say that people who want to change their identity are purely due to the mental sickness or confusion. Unlike Overall, Cressida Heyes argues that transracialism is not reasonable, while transsexualism is. Heyes brings up Overallâ €™s statement, claiming â€Å"if transsexual surgery is morally acceptable†¦ then transracial surgery should be morally acceptable† (269). Heyes admits that the argument of Overall is clear—both sex and race are socially constructed rather than inherited. Nonetheless, Heyes throws a question if they are constructed in the same way. Heyes would say no since Overall’s hypothetical approach is not meant to consider the history of two different identities. She also suggests few other differences between race and sex. Heyes brings three different points between race and sex. Firstly, she introduces â€Å"One-Drop Rule†

Wednesday, May 6, 2020

Does One Who Kills Deserve to Die - 634 Words

Does one who kills another deserve to die? Does One Who Kills Another Deserve to Die? â€Å"Don’t get mad, get even† It’s a common rule in a heartless society. But is it right? Thomas Hobbes stated that human beings are fearful of and hostile to one another, they resent the least detriment to themselves; to their bodies, their property, their liberty or opportunities, their pride or their reputation†. (Lisa H. Newton 2004 p. 59) Under certain circumstances there are reasons why one who kills another deserves to die and there are reasons why they don’t deserve to die. There are many different philosophic views on this topic. For example; a subject that brings much debate, should an insane person that kills be killed? Retributivists say that†¦show more content†¦If the victim was not trying to hurt another person or doing anything unlawful than they shouldn’t be killed. Utilitarian’s considerations for legal punishment that were best suited for any crime made sense, the disablement, deterrence, and rehabilitatio n. The fact that we are designating whether or not a person deserves to die is grounded on a mere human idea and is highly subjective. Humans die: this is a fact and is not arguable. However, whether or not they deserve to die is whether or not we WANT them to die? If we dont want someone to die then they dont deserve to die. If we do want someone to die, usually out of a vindictive or moral motivation, we say, oh they deserve to die. Thus, since most humans want someone to die at some point or another(for example serial killers, drug addicts, risk seekers, or just the guy/girl you briefly met that insulted you deeply), it is a silly act to ask whether humans deserve to die or not. They definitely do deserve to die (only in certain situations like mentioned before) because we want them to die (in those situations). Any sort of a priori reason for someone to die or not is only determined by nature and natural selection and has no humanistic emotion of desire associated with it. This desire is what creates theShow MoreRelatedCapital Punishment is an Appropriate Penalty For Murder Essay1451 Words   |  6 Pagespunishments on people who brake our laws. Some maldistribution of the death penalty is unavoidable, but that does not mean we should throw out the death penalty. When the death penalty is imposed on an innocent person that is a serious miscarriage of justice. 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Vygotsky free essay sample

In his student days at the University of Moscow, he read widely in linguistics, sociology, psychology, philosophy and the arts. His systematic work in psychology did not begin until 1924. Ten years later he died of tuberculosis at the age of only 38. In that period, with the collaboration of Aleksandre Luria and A N Leontiev, he launched a series of investigations in developmental psychology, pedagogy and psychopathology. Vygotsky ran a medical practice in his native Byelorussia, actively participating in the development of the Revolution under atrocious conditions and almost total isolation from the West. His most famous work is  Ã¢â‚¬ËœThought and Language’, published shortly after his death, developed for the first time a theory of language development which both anticipated Piagets genetic psychology describing the development of language and logical thinking in young children in the course of their interactions with adults and the world around them. THEORY OF SOCIAL DEVELOPMENT BACKGROUND To understand Vygotsky? s theory, it is important to look at the political environment of that time. Vygotsky began to work in psychology shortly after the Russian revolution, where the Marxism replaced the rule of the zar. The new philosophy of the Marxist emphasized socialism and collectivism. Individuals were expected to sacrifice their personal goals and achievements for the improvement of the larger society. Sharing and co-operation was encouraged, and the success of any individual was seen as reflecting the success of the culture. Marxists also placed a heavy emphasis on history, believing that any culture could be understood only through examination of the ideas and events that had shaped it. Vygotsky incorporates these elements in his model of human development that has been termed as a socio-cultural approach. For him, the individual’s development is a result of his or her culture. Development, in Vygotsky? s theory, applies mainly to mental development, such as thought, language and reasoning process. These abilities were understood to develop through social interactions with others (especially parents) and therefore represented the shared knowledge of the culture. THE THEORY Vygotsky viewed cognitive developments as a result of a dialectical process, where the child learns through shared problem solving experiences with someone else, such as parents, teacher, siblings or a peer. Originally, the person interacting with the child undertakes most of the responsibility for guiding the problem solving, but gradually this responsibility transfers to the child. Although these interactions can take many forms, Vygotsky stresses language dialogue. It is primarily through their speech that adults are assumed to transmit to children the rich body of knowledge that exists in their culture. As learning processes, the child’s own language comes to help as his or her primary tool of intellectual transformation. Children can eventually use their own internal speech to direct their own behaviour in much the same way that their parents’ speech once directed it. This transition reflects the Vygotsky? s theme of development as a process of internalization. Bodies of knowledge and tools of thought at first exist outside the child, in the culture of the environment. Development consists of gradual internalization, primarily through language, to form cultural adaptation (Rogoff, 1990). LANGUAGE For Vygotsky, language has a particular role in learning and development  by acquiring a language, a child is provided the means to think in new ways and gains a new cognitive tool for making sense of the world. Language is used by children as an additional device in solving problems, to overcome impulsive action, to plan a solution before trying it out and to control their own behaviour (Jones, 1995). Nevertheless, the main purpose of language for children is social. They use the language to obtain the help of others and to solve problems. The child, in it process of development, begins to practice the same forms of behaviour that other formerly practice with respect to the child. The significance of such behaviour is only understood in a social context. The language is also crucial and interrelated with the action, providing an additional tool used both to reflect on and direct behaviour. Vygotsky’s work is therefore viewed as particularly relevant to those who are concerned with the use of language. When Piaget labelled the self directed behaviour as egocentric and believed it only minimum relevant to children’s cognitive growth, Vygotsky referred to it as a private speech. He argued that private speech grows out of the children’s interaction with parents and other adults and through such interactions; they begin to use their parent’s instructional comments to direct their own behaviour. Major themes: Social interaction plays a fundamental role in the process of cognitive development. In contrast to Jean Piaget’s understanding of child development (in which development necessarily precedes learning), Vygotsky felt social learning precedes development. He states: â€Å"Every function in the child’s cultural development appears twice: first, on the social level, and later, on the individual level; first, between people (inter-psychological) and then inside the child (intra-psychological). † (Vygotsky, 1978). The More Knowledgeable Other (MKO): The more knowledgeable other (MKO) is somewhat self-explanatory; it refers to someone who has a better understanding or a higher ability level than the learner, with respect to a particular task, process, or concept. Although he implication is that the MKO is a teacher or an older adult, this is not necessarily the case. Many times, a childs peers or an adults children may be the individuals with more knowledge or experience. For example, who is more likely to know more about the newest teen-age music groups, how to win at the most recent PlayStation game, or how to correctly perform the newest dance craze a child or their parents? In fact, the  MKO  need not be a person at all. Some companies, to support employees in their learning process, are now using electronic performance support systems. Electronic tutors have also been used in educational settings to facilitate and guide students through the learning process. The key to MKOs is that they must have (or be programmed with) more knowledge about the topic being learned than the learner does. The Zone of Proximal Development (ZPD): The second aspect of Vygotsky? s theory is the idea that the potential for cognitive development is limited to a certain time span which he calls the â€Å"zone of proximal development†. ZPD refers to the gap between what a given child can achieve alone, their ? otential development as determined by independent problem solving? , and what they can achieve ‘through problem solving under adult guidance or in collaboration with more capable peers’ (Wood, D. , Wood, H. , 1966). Vygotsky refers to what children can do on their own as the ‘level of actual development’. In his view, it is the level of actual development that a standard IQ test measure. Such a measure is undoubtedly important, but it is also incomplete. Two children might have the same level of actual development, in the sense of being able to solve the same number of problems on some standardized test. Given appropriate help from an adult, still, one child might be able to solve an additional dozen problems while the other child might be able to solve only two or three more. What the child can do with the help is referred to as the ‘level of potential development’ (Vasta, R. , Haith, M. M. , Miller, S. A. , 1995). The full development during the ZPD depends upon full social interaction and the more the child takes advantages of an adult’s assistance, the broader is its ‘Zone of Proximal Development’. The ZPD is the distance between a student’s ability to perform a task under adult guidance and/or with peer collaboration and the student’s ability solving the problem independently. According to Vygotsky, learning occurred in this zone. Vygotsky focused on the connections between people and the socio-cultural context in which they act and interact in shared experiences (Crawford, 1996). According to Vygotsky, humans use tools that develop from a culture, such as speech and writing, to mediate their social environments. Initially children develop these tools to serve solely as social functions, ways to communicate needs. Vygotsky believed that the internalization of these tools led to higher thinking skills. SCAFFOLDING Scaffolding  is a concept closely related to the idea of ZPD, although Vygotsky never actually used the term. Scaffolding is changing the level of support to suit the cognitive potential of the child. Over the course of a teaching session, a more skilled person adjusts the amount of guidance to fit the child’s potential level of performance. More support is offered when a child is having difficulty with a particular task and, over time, less support is provided as the child makes gains on the task. Ideally, scaffolding works to maintain the child’s potential level of development in the ZPD. An essential element to the ZPD and scaffolding is the acquisition of language. According to Vygotsky, language (and in particular, speech) is fundamental to children’s cognitive growth because language provides purpose and intention so that behaviours can be better understood. Empirical research suggests that the benefits of scaffolding are not only useful during a task, but can extend beyond the immediate situation in order to influence future cognitive development. For instance, a recent study recorded verbal scaffolding between mothers and their 3- and 4-year-old children as they played together. Then, when the children were six years old, they underwent several measures of  executive function, such as working memory and goal-directed play. The study found that the children’s working memory and language skills at six years of age were related to the amount of verbal scaffolding provided by mothers at age three. In particular, scaffolding was most effective when mothers provided explicit conceptual links during play. Therefore, the results of this study not only suggest that verbal scaffolding aids children’s cognitive development, but that the quality of the scaffolding is also important for learning and development. Applications of the Vygotsky’s Social Development Theory If adults wish to provide learning opportunities, they must evaluate the child’s present developmental level and estimate the ‘length’ of the ZDP. But, the child must be able to make use of the help of others; it needs the competence to benefit from the give-and-take activities and conversations with others (Bruner, 1983). Vygotsky acknowledged the maturational limits of the ZPD, but most psychological research has emphasized the role of the environment: parents and other adults who are ‘expert’ models and guides for a young learner. Many schools have traditionally held a transmissionist or instructionist model in which a teacher or lecturer ‘transmits’ information to students. In contrast, Vygotsky’s theory promotes learning contexts in which students play an active role in learning. Roles of the teacher and student are therefore shifted, as a teacher should collaborate with his or her students in order to help facilitate meaning construction in students. Learning therefore becomes a reciprocal experience for the students and teacher. More recently, linguists and educationalists influenced by Piagets  Genetic Psychology have been drawn towards Vygotskys work, seeing in it a superior understanding of the relationship between the educator and the educated, in which the educator must negotiate with the child or student who is credited with an active role in the learning process.

Monday, April 20, 2020

School Ties - The Code Of Honor Essays - Codes Of Conduct

School Ties - The Code Of Honor The Code of Honor Honesty, respect, accountability, these are all words the honor code stands by, it's a foundation on which academic integrity abides, and a line drawn between what's right and wrong. The honor code in the movie School Ties meant more than just a signature one signed, it was a living entity, a guideline the school swore by, and those that broke the code met with the consequences. ?It is the students responsibility, not the teachers, to uphold St. Matthews honor code,? said the headmaster as he addressed the students gathered in the chapel for mass at St. Matthews. The headmaster understood the relevance of the code, and that the power was vested in the students to make it work for the entire student body. Another example of the honor code was when the history teacher addressed the class by asking the students to discuss among themselves who cheated on the recent test. He went on to strongly urged the class that overlooking the incident would be robbing them of the honor code. At the end of the movie the main character, David Green, takes the fall for Charles Dillon, the student who cheated. However, the headmaster finds out the truth from the prefect, Rip, and Dillon is expelled from school. As David leaves the headmasters office, the teacher reminds him, ?The honor code is a living thing, it can't live in a vacuum.? St. Matthew's knew how to fill the vacuum, but it was the students that lived it. A life not set by rules or regulations, but an internal drumbeat, marching to the beat of its own, honesty. I have sincere doubts about the usefulness and the meaningfulness of the honor code, because addressing cheating requires more than just the honor code alone. Cheating is a problem in part because of the enormous pressure put on students by a school's high-strung atmosphere to achieve. I think students feel that in order to survive, they must take advantage of the gray areas of being honest, often stretching the limits as to cheating and using someone else's work. Therefore, any honor code implemented in such an environment will result in students changing cheating techniques to work around the code. I feel the best way to deal with this problem is to make students fully aware that cheating is unprofitable and nothing good come of it. Ultimately, the honor code works because it is fully enforced by the students themselves. As Mencken once said, For every complex problem there is a simple solution -- and it is wrong. Solving the issue of dishonesty requires far more than just an honor code alone.

Sunday, March 15, 2020

Reasons for Humanity to Go Back to the Moon

Reasons for Humanity to Go Back to the Moon It has been  decades since the first astronauts walked on the lunar surface. Since then, nobody has set foot on our nearest neighbor in space. Sure, a fleet of probes have headed to the Moon, and they have supplied a lot of information about conditions there.   Is it time to send people to the Moon? The answer coming from the space community is a qualified yes. What that means is, there are missions on the planning boards, but also many questions about what people will do to get there and what theyll do once they set foot on the dusty surface. What Are the Obstacles? The last time people landed on the Moon was in 1972. Since then, a variety of political and economic reasons have kept space agencies from continuing those bold steps. However, the big issues are money, safety, and justifications. The most obvious reason that lunar missions arent happening as quickly as people would like is their cost. NASA spent billions of dollars during the 1960s and early 70s developing the Apollo missions. These happened at the height of the Cold War when the U.S. and the former Soviet Union were at odds politically but were not actively fighting each other in land wars. The expenses of trips to the Moon were tolerated by American people and Soviet citizens for the sake of patriotism and staying ahead of each other. Although there are many good reasons to go back to the Moon, its tough to get a political consensus on spending taxpayer money to do it. Safety Is Important The second reason hampering lunar exploration is the sheer danger of such an enterprise. Faced with the immense challenges that plagued NASA during the 1950s and 60s, it is no small wonder that anyone ever made it to the Moon. Several astronauts lost their lives during the Apollo program, and many technological setbacks took place along the way. However, long-term missions aboard the International Space Station show that humans can  live and work in space, and new developments in space launch and transport capabilities are promising safer ways to get to the Moon. Why Go? The third reason for a lack of lunar missions is that there needs to be a clear mission and goals.  While interesting and scientifically important experiments can always be done, people are also interested in return on investment. Thats particularly true for companies and institutions interested in making money from lunar mining, science research, and tourism. Its easier to send robot probes to do science, although its better to send people. With human missions come higher expenses in terms of life support and safety. With the advances of robotic space probes, a great amount of data can be gathered at a much lower cost and without endangering human life. The big-picture questions, like how did the solar system form, require much longer and more extensive trips than just a couple days on the Moon. Things Are Changing The good news is that attitudes toward lunar trips can and do change, and its likely that a human mission to the Moon will happen within a decade or less. Current NASA mission scenarios include trips to the lunar surface and also to an asteroid, although the asteroid trip may be of more interest to mining companies.   Traveling to the Moon will still be expensive. However, NASA mission planners feel that the benefits outweigh the cost. Even more important, the government foresees a good return on investment. Thats actually a very good argument. The Apollo missions required a significant initial investment. However, technology- weather satellite systems, global positioning systems (GPS), and advanced communication devices, among other advancements- created to support the lunar missions and subsequent planetary science missions are now in everyday use on Earth. New technologies aimed specifically at future lunar missions would also find their way into the worlds economies, spurring a good return on investment Expanding Lunar Interest Other countries are looking quite seriously at sending lunar missions, most specifically China and Japan.  The Chinese have been very clear about their intentions, and have good capability to carry out a long-term lunar mission. Their activities may well spur American and European agencies into a mini race to also build lunar bases. Lunar orbiting laboratories may make an excellent next step, no matter who builds and sends them.   The technology available now, and that to be developed during any concentrated missions to the Moon, would allow scientists to do much more detailed (and longer) studies of the Moons surface and sub-surface systems. Scientists would get the opportunity to answer some of the big questions about how our solar system was formed, or the details about how Moon was created and its geology. Lunar exploration would stimulate new avenues of study. People also expect that lunar tourism would be another way to maximize exploration.   Missions to Mars are also  hot news these days. Some scenarios see humans heading to the Red Planet within a few years, while others foresee Mars missions by the 2030s. Returning to the Moon is an important step in Mars mission planning. The hope is that people could spend time on the Moon to learn how to live in a forbidding environment. If something went wrong, rescue would be only a few days away, rather than months.   Finally, there are valuable resources on the Moon that can be used for other space missions. Liquid oxygen is a major component of the propellant needed for current space travel. NASA believes that this resource can be easily extracted from the Moon and stored at deposit sites for use by other missions - particularly by sending astronauts to Mars. Many other minerals exist, and even some water stores,  that can be mined as well. The Verdict Humans have always made an effort to understand the universe, and going to the Moon does seem to be the next logical step for many reasons. It will be interesting to see who starts up the next race to the Moon. Edited and revised by Carolyn Collins Petersen

Friday, February 28, 2020

Issues in corporate finance Assignment Example | Topics and Well Written Essays - 2000 words

Issues in corporate finance - Assignment Example Most important, companies have to understand the value of trading-off aspects of capital because such practise results to better performance. The trade-off theory of capital structure maintains the positive relationship between earnings and leverage. Empirical evidences, however, argue that such observation is fallible (Sarkar and Zapatero, 2003). Despite the contradicting outcomes, trade-off has considered as valuable mechanism in gauging corporate revenues. In most instances, the trade-off theory has consistently predicted information related to debt structure. The theory suggests that weak firms are more inclined to finance exclusively with bank debts. Apparently, weak firms tend to ignore other debt sources in particular public debts. Another important idea posited by the theory is that the optimal debt structure seen among strong firms pertains to combinations of bank and market debt. Basically, strong firms have become adept in successfully managing both bank and market debts. It has to be noted that the nature of both debts are differently perceived. Strong firms have the capacity to acquire different forms of debt instruments because of their financial scope. In uncertain markets, the strategy of using varied debt mechanisms allow strong firms to be more flexible in handling risks. According to Brealey and Meyers (2000), the trade-off theory pu... Furthermore, critics claim that the theory is ill-equipped to justify relevant practises. The concept developed by Modigliani and Miller (1958) revolves on the market imperfections that eventually affect capital structures. Indeed, market imperfections occur in several forms. The most prominent observed among firms include taxes, market distresses, and agency costs. For most firms, the challenge is to create an optimal capital structure when these market imperfections emerge. The theory assumes that after a certain firm establishes the optimal combination of financial resources all succeeding financing is raised in the same proportion of debt and equity financing. This, however, is expected to vary in the method of reporting and practising. Among publicly trading companies, Houston and James (1996) observed that there is an insignificant use of market debt. The percentage of non-market debt among listed companies is greater in value as evident in the majority of firms preferring non-market debt. In addition, the listed firms that use market debts show that non-market debts still occupy the most shares on the overall debt. Johnson (1997) pointed out that the long-term debt structure suggests better use of market debts. Among the users of market debt, more than half of the total long-term debt is considered as market issued. Trade-off has usually been used to determine financing decisions. Traditionally, firms either maintain a target capital structure or follow the hierarchy of financing. Pinegar and Wilbritch (1989) conducted a survey on firms belonging to the Fortune 500 on their financing preference. Based on the results, majority of the firms listed in Fortune 500 have been using target capital structure to

Wednesday, February 12, 2020

Business Report Essay Example | Topics and Well Written Essays - 1250 words

Business Report - Essay Example The organization, through the new initiative, has a lot of potential and could very well be on its way to cashing in on the demand of the market and could ideally lead its industry in no time. Unfortunately, Tedallal is still experiencing difficulty primarily because its strategy is not aligned with the organizational objectives. This issue has been identified using different assessment models such as Hayes & Weelright's four-stage model, service positioning matrix (SPM), as well as concepts such as ServQual, the service profit chain, service blueprinting and the lean service concept. These frameworks revealed that there are several mismatches and incoherent elements in Tedallal’s overall business approach that compromise several features of its new operational model. This came about through several factors, including a comprehensive offering of customer values that taxed the organizational capability and resources; half-baked strategy that failed to address the achievement an d maintenance of quality in products and services; and, the failure to meet market demands. These variables, collectively, put the company in a more dangerous ground, that when left unaddressed could ultimately lead the organization to its eventual demise. The key issues identified in this report that are needed to be addressed are as follows: 1. Although the organization adopts the four essential competitive priorities in its strategy as a service company, it fails to implement them each in their own respective areas as well as in a collective model that could coherently achieve the organizational objectives; 2. Tedallal lacks the organizational culture that could enable the company to attain its objective of putting emphasis on people and service. This aspect is particularly important, since Tedallal’s new strategy requires a high degree of organizational change that can only be achieved by changing people, perspectives and attitudes. 3. The strategy to utilize low-cost res ources and failure to invest on its people took its toll on the organization's ability to meet the demands and expectations of the customers, respond to the changes and requirements of the complex products and values it started to offer after the strategy overhaul. As this report would establish, there is a need for restraint and sober strategy building in regards to how competitive advantage is to be approached and achieved. What this means is that decision-makers within the company should decide which aspect they want to focus on, then perfect it, excel on it, and gradually build a lasting and memorable relationship with its customers. This should lead Tedellal to modify its current strategy from the existing knee-jerk or reactive approach into a long-term, coherent and unique model tailored according to its core objectives, organizational strengths and capabilities. This report has outlined several models that could guide Tedallal in effectively aligning strategy and objectives, in every step and in every aspect – from the evaluation up to the measurement of strategy according to the corporate objectives. These information are contained in a logically structured discourse of three important aspects of the organization and its strategy: Operations strategy, activity and performance; Service delivery

Friday, January 31, 2020

Curriculum Assessments †Paper Two Essay Example for Free

Curriculum Assessments – Paper Two Essay Curriculum assessments have a variety of purposes depending upon the aim. Overall they have been positive experiences for me throughout my education in their attempt to construct an anonymous forum for feedback in the name of improving the curriculum. They can also prove to be troublesome for particular types of professors and for students who believe they are simply a formality and that they are not actually taken into consideration. In my opinion, this can be a troublesome obstacle in the path of achieving greater transparency between professor performance ratings and the faculty boards that are responsible for the career paths of these professors. An example of a positive experience using curriculum assessments was my freshman year of college. I had an astronomy professor that was very aloof and seemingly arrogant in his lectures, but in his office hours was personable and humorous. He handed out the assessment after our midterm in the hope of improving the course for the second half. He received overwhelming feedback in the same spirit as mine and he made a conscious effort to become more compassionate during his lectures. Needless to say the second half of the semester was much more enjoyable, hopefully for him as well. On the other hand, I had a negative experience with a tenured sociology professor. She had been at the university for over 35 years and she believed since she had been there for so long she would not benefit from student assessments. We took the assessment after midterms and when she reported the results back to the students, she was visibly upset. She took the feedback as a personal attack instead of constructive criticism. The rest of the semester seemed forced and unnatural as she grudgingly held to her tactics. I believe the main purpose of the assessment is to provide students with an anonymous forum to voice their opinion about the professor and the course without fear of repercussion. In addition, assessments can be used by the faculty board to determine which professors deserve a raise, or consideration for tenure. That being said, they have to be taken seriously, by the students, the professors, and the faculty boards. If they are discarded as simple formalities instead of given thoughtful interpretation and implementation, then they become a wasteful bureaucratic process. In this regard, assessments can have a great value as long as they are completed in good faith and are not personal attacks against a professor or a course. They can provide specific examples and criteria on which to judge the success of not only a professor, but the course in general. Furthermore, assessments can be used across the board to map overall trends of the courses and the professors that teach them. Some institutions favor great professors while others are more focused on high profile research projects or on having their professors be powerful publishing presences. If the goal of the institution is on the students themselves, then student assessments are vital parts of determining which professors best suit this aim. I think assessments are an overall positive approach to improving curriculum. They have to remain anonymous in order to maintain their integrity and honesty. Professors need to learn from them in the manner they are intended, that is that they are implemented with the greater good in mind; for the students, for the professors, and for the institutions of guiding principle.

Thursday, January 23, 2020

Biomechatronics Essay -- physics biomechatronic

When Luke Skywalker's hand was sliced off by Darth Vader in the trilogy Star Wars, he received a new prosthetic hand which was fully functional in use and appearance.Today, this science fiction is becoming reality as an exciting new technology called Biomechatronics is promising revolutionary advances in the field of prosthetics. As the name implies, biomechatronics merges man with machine. It is an interdisciplinary field including biology, neuroscience and physics. Biomechatronic scientists create devices that interact with human muscle, bone and the nervous systems with the goal of "assisting or enhancing human motor control that can be lost or impaired by trauma, disease, or birth defects." Today there is a great need in advances in the field of prosthetics. This demand is being generated in large measure by wounded veterans needing prosthetics. While new advances in body armor is saving lives, it is also leading to many limb injuries in soldiers who would not have usually survived. In the first two years of the Iraq war, over 200 soldiers lost limbs. While health care is still servicing wooden hands designed in the World War I era, many patients are unsatisfied with the unnatural movements, aesthetics, weight and lack of motion in these outdated prosthetics. Colonel Geoffrey Ling, a program manager for the Defense Advance Research Projects Agency (DARPA) who is overseeing a project to improve prosthetics says, "The best hand prosthetic one can get is a hook, right out of Peter Pan. It's heavy, it's clumsy and cosmetically, it's just horrid." That is why DARPA along with 70 million dollars to John Hopkin's Applied Physics Laboratory are spearheading the work. The projects goals are lofty: APL hopes to design an arm ... ...zine. (2007) On-line. Freudenrich, Craig Ph.D.. How Biomechatronics works. (2007) On-line. Su, Y. Fisher, M.H. Wolczowski, A. Bell, G.D. Burn, D. Gao, R. Basics of MRI-I. 19 May 2005 'Towards an EMG Controlled Prosthetic Hand Using a 3D Electromagnetic Positioning System' Instrument and Measurement vol. 1, p. 261-266. Guinnessy, Paul. Sept 2006. 'DARPA joins industry, academia to build better prosthetic arms' Physics Today p. 24-25. Unknown author. (2007) On-line. Nerve cells. Herr, Hugh Ph. D. White House/VA Conference / Emerging Technologies in Support of the New Freedom Initiative: Promoting Opportunities for People with Disabilities October 13-14, 2004. (2007) On-line.

Wednesday, January 15, 2020

China and India: the Challenge and Opportunity

Sources: Capell, Kerry. â€Å"IKEA: How The Swedish Retailer Became A Global Cult Brand†. BusinessWeek. 14 Nov. 2005: 96-106. Ikea. com CASE 2 CHINA AND INDIA: THE CHALLENGE AND OPPORTUNITY OVERVIEW China and India are the two nations that will transform the global economy as we now know it. China has state-of-the-art manufacturing and India is boosting its competitive edge through innovation hubs. While the United States is deciding if â€Å"Chindia† is a threat or an opportunity the massive low wage, highly educated, and forward thinking work force is transforming these two poor nations into global powerhouses.Yet, all is not perfect. While governments and business pour mass amounts of investments into the countries there are huge obstacles to continued growth. There are social, political, and environmental challenges. Important is keeping growth at a steady pace that will eliminate the unemployment lines. Pollution and environmental challenges, political backlash, de bt and currency crises, inadequate medical care, threats of epidemics, and war are continuing challenges. DISCUSSION QUESTIONS 1.Discuss the innovation implications for the leading developed nations concerning China’s and India’s rapidly escalating capabilities. 2. Examine the collaboration potential and hurdles of greater collaboration between China and India regarding innovation and other commercial ventures. 3. What are the potential market opportunities for developed nations in China and India? 4. Evaluate the evolving balance of economic power shift from the west to the east. 5. Discuss the future competitive threats of China and India for industries in developed countries.

Tuesday, January 7, 2020

Using Physics to Design a Riffle - 2438 Words

The use of physics is incredibly important in design and engineering, I will be explaining how our knowledge of physics has helped us create machines suited to a purpose. For this example of the use of physics in design I am explaining the use of physics for the design of a rifle as it incorporates many important aspects of physics. I find this combination of intelligent design fascinating. It shows how our use of a complex and interesting subject as well as a certain degree of common sense has made it possible to create whatever we may need for any purpose. The oxford dictionary defines a rifle as a gun, especially one fired from shoulder level, having a long spirally grooved barrel intended to make a bullet spin and thereby have greater accuracy over a long distance. I will explain how physics makes these devices be made the way they are. An effective rifle needs to be efficient, efficiency is defined as [useful energy given off]/ [total energy in]. An efficient rifle converts as much of the chemical potential energy stored in the propellant into kinetic (movement) energy. For example for a .300 Hawk ammunition the energy use in percentage is: Barrel friction 2% Projectile Motion 32% Hot gases 34% Barrel heat 30% Unburned propellant 1%. Therefore the efficiency for this bullet in the gun it was fired is 32%. Using physics we can improve the efficiency by increasing barrel length this is because more propellant can be burned and as the bullet is in the barrel