Thursday, October 31, 2019

Humans & others mammals Essay Example | Topics and Well Written Essays - 500 words

Humans & others mammals - Essay Example Animals like the chimpanzees, apes and bonobos are good examples which through their anatomy and behaviors, prove that evolution is real. The organization of internal organs in the African apes and the human beings is similar. The bone structure is similar and they only differ in shape and size. Human beings however lack tails and this depicts that at one point the humans were analogous to the African apes but they have evolved over time. All mammals are sexually dimorphic in that males are larger than females by about 5-10% (Barton 79). This shows humans are similar to other mammals and are only superior because they have evolved over time. Evolution principles show that body features develop based on habitual bipedalism. The hands of humans are shorter than those of apes. This is because they locomote more using their hands rather than legs. Similarly the legs of human beings are longer than those of apes. The human pelvis and the spinal column are adapted in such a way that the humans remain erect and offer more stability for waking and running. This adaptation is believed to have been achieved due to the competition between humans and other mammals and is evidence that evolution took place. Scientists have proved that the shape of the brain in apes and in humans is similar. However, they differ in size. This increase in the size of the brain proves that evolution has taken place. Human females reach the menopause stage at one point in life. However, other mammals like chimpanzees, apes and gorillas do not become sterile at any stage in life. The Scientific explanation of this difference is based on human selection t hat is a factor that proves evolution (Barton 211). Male Bonobos protect the female bonobos. This characteristic is also present in other mammals such as apes. Human beings also have the same character of males protecting the females. This similarity shows a connection in the origin of humans and apes.

Tuesday, October 29, 2019

The Value of a Human Life Essay Example for Free

The Value of a Human Life Essay We look at the words of one of the framers of our constitution, and we apply it to the concept of assisted suicide. This subject was one of the hottest issues of the late 20th century, but why was this issue so crucial? Why did it seem to have law writers and judges fumbling to grab for their red tape? There seems to be a more deep seated opinion on why the land that gives us the right to freedom of speech, expression, natural, and civil rights, can restrict the one right we should inherently have. The question I pose for you today isn’t to look at the morality of suicide, but rather look, and ask yourself, why don’t we have the right to die? This paper will be broken down into two sections, one will be the law, precedent, acts, etc. and the other will be the philosophy governing our actions as a collective body and why the ideals that the sound percentage of this united states are unrepresented. The Law There are many cases of assisted suicide, and legislation overseeing it, but the few examples I will give will show the stance that America has taken on the subject of assisted suicide. Jack Kevorkian was the front runner for euthanasia, advocate for a pro-choice death, and leader of one of the most controversial hot button issues of the late 1980s to 1990s. He fought for the legalization of assisted suicide in terminal patients and was known for saying â€Å"dying is not a crime†. He’s an important figure in this movement because he couldn’t be convicted until he was aired on 60 minutes as personally injecting the patient with the drug, instead of having them commit the suicide themselves. The importance of this distinction is that when Jack himself did not inject the patient, he was not found accountable, showing the importance of the word â€Å"assisted† in assisted suicide. [2] Secondly, the Terry Schiavo case was another landmark case pertaining to the death of a terminal patient. Theresa Marie Schindler (Terri) had entered a vegetative state and was comatose and on life support. Her husband had the power to order her feeding tubes removed, ultimately sentencing her to death, however, many people intervened and wouldn’t let her pass away, rather they kept her on feeding tubes for 15 years until she finally was taken off life support and passed 13 days after. During her life, the very controversial â€Å"Terri’s Law† was written up and gave the power to Florida’s Governor to put Terri back on life support. An interesting point in this legislation is that President George W. Bush flew to Washington just to sign this bill into action. â€Å"It should be noticed that this is the same George W. Bush who, as Governor of Texas, signed into state law the power of hospitals to remove a patient (in identical situations as Terris) from life support a critical factor being the familys ability to pay the hospital bills even if such removal was against the familys objections. †[3] This brings a completely different angle into the element of a patient’s death. From the parameters of this case it proves that the government will not intervene into the death of one of its constituents, unless of course that person is not financially able to keep living. I’ll explain this further, in the second section. Another fact to outline our government’s stand on suicide is the Washington v. Glucksberg case. In this case the Supreme Court agreed unanimously that the Due Process Clause of the Constitution did not protect the right to assistance in committing suicide. There was a previous case, Moore v.  East Cleveland, which decided that liberty interests cannot be protected if they aren’t deeply rooted in the nation’s history. Rehnquist wrote that it â€Å"furthered various compelling state interests, such as the preservation of human life and protecting the mentally ill and disabled from medical malpractice†. The Court also thought that protecting physician assisted suicide would create a â€Å"slippery slope† towards involuntary euthanasia. [4] Some things that must be discussed in this regard are as follows. The Due Process Clause protects the right to choice over abortion, which can be compared semi-closely in this case. 5] Why should those who are unborn have no say over their own demise, but yet someone who is suffering and wants to die with dignity cannot have the blessing and assistance of their physician? Furthermore, the slippery slope argument is not a logically proven one, it’s simply using something with shock effect and making it seem less distant than it really is, putting fear in those who notice nothing wrong with the argument. R. G. Frey, DPhil says it best in his book titled â€Å"The Fear of a Slippery Slope,† Euthanasia and Physician Assisted Suicide: For and Against. Especially with regard to taking life, slippery slope arguments have long been a feature of the ethical landscape, used to question the moral permissibility of all kinds of acts The situation is not unlike that of a doomsday cult that predicts time and again the end of the world, only for fol lowers to discover the next day that things are pretty much as they were We need the evidence that shows that horrible slope consequences are likely to occur. The mere possibility that such consequences might occur, as noted earlier, does not constitute such evidence. [6] There’s no other way it can be put, the use of a slippery slope has no bearing on the actual case in front of the judges and should have never been allowed as reasoning for striking down the act. Another commonly cited document in this case is the Hippocratic Oath, the rule of law for doctors and alike as well as a document swearing in medical practitioners into the field. The cited phrase that those opposed to assisted suicide use is â€Å"I will prescribe regimens for the good of my patients according to my ability and my judgment and never do harm to anyone†. It seems that people are being too narrow-minded about the term, â€Å"harm†. As Philip Nitschke, Founder of Exit International, a pro-euthanasia group says, â€Å"The much-quoted reference to do no harm is also in need of explanation. Does not doing harm mean that we should prolong a life that the patient sees as a painful burden? Surely, the harm in this instance is done when we prolong the life, and doing no harm means that we should help the patient die. Killing the patienttechnically, yes. Is it a good thingsometimes, yes. Is it consistent with good medical end-of-life care: absolutely yes. [8] Another interesting quote in the Hippocratic Oath is the phrase, â€Å"I will not give a lethal drug to anyone if I am asked, nor will I advise such a plan; and similarly I will not give a woman a pessary to cause an abortion. †[9] This shows some contradictions in the Oath that the opposition has held so dear. The abortion line has since been removed, as well as the statement about a lethal drug, but in the updated version it also has no statement about â€Å"never do[ing] harm†. Some anti-euthanasia persons use an outdated version of the oath to make their points, but have neglected that there are also other statements in that old version that are no longer applicable to this day and age. [10] The last and final bit of information is the Death with Dignity Act, established in Oregon and Washington. It has been voted in by the citizens of each individual state by majority, challenged by the state legislature and rejected by voters, and even challenged by the Bush Administration and upheld in the Supreme Court by Gonzales v.  Oregon. The act establishes safe and enforceable guidelines to go through before the patient takes the life-ending medication. The guidelines include and enforce a waiting period, must be reviewed by two physicians, the patient must be free of a impairing mental illness, must be witnessed by two people, one of which isn’t family, and the request is voluntary and can be backed out of at any time. [11]/[12] This is the act we need established in the entire United States; one that gives patients the right to die with dignity. The point of this research is to show the clearly biased views of the American government; next, I’ll be demonstrating examples and reasoning for why we should be allowed the freedom to choose. Philosophy First, it must be said that to purely discuss the task at hand we must remove all prejudice about religion and morality. Those things can be used in one’s own personal value that they put upon this subject, but in front of us is the law, and it must be known that all religious aspects must be removed from government. Now, what we’re facing is the legalization and promotion of assisted suicide. Suicide is a non-punishable crime, so to speak. It’s not that they can convict a corpse, but in the attempt of a suicide attempt one can be taken into a mental institution to be assessed and treated. The first question posed is how can a crime that can’t be punished be illegal? How can we outlaw something that no government, law, or individual can persecute another for? Back in the earlier years of this country suicide used to be treated with a common law, governing all forms of the same type of suicide. However, the common law must always be updated in this ever changing society. Back when the precedent was decided there was no need so assisted suicide because the people with the illnesses would simply pass away, but today where there’s life support and other means of keeping sick patients alive, now we must choose where to draw the line in that individual’s suffering. There are different tiers of being â€Å"alive†. The fact that someone is breathing doesn’t mean that they’re alive. One may say that their life is running, playing with family, writing books, or painting pictures. This life is taken away from them when they’re sentenced to a hospital bed with tubes keeping them alive and no way to interact with others. They don’t want to ever let themselves get to the point where their family has to see them like that, and it’s an honorable, selfless thing to do. Human beings have certain unenumerated rights, sometimes known as natural rights, those not to â€Å"be construed to deny or disparage others retained by the people†. Upon looking into the words of this phrase in the Ninth Amendment, we see that this amendment is plainly stating a sense of equality. If we apply this to the case of assisted suicide, the vast majority of Americans have the natural right that is life. If we were to break down the spirit of the word life, let it be seen that, as formerly stated, life has different acceptable meaning depending upon circumstances. The law cannot be taken at face value in this case and must be interpreted accordingly. Life, for one may mean freedom, and in this case the only freedom a terminally ill patient has is in death. The patient needs freedom, freedom from the constraints of suffering, freedom to move on to a better place than they are in now, whether that be a religious place, reincarnation, or a hole in the ground. As stated earlier there is a quandary in this argument when finance enters into play. We might ask ourselves why our government is so adamant on keeping us alive. Through legislation, passed by a man that became our president, it appears that a financially stable families can keep their loved ones alive even against the wishes of her husband who has the power of choice, while those not able to pay for life support must watch their loved one die as the feeding tube is removed against their will. The question of preservation of life is miniscule in this example. The real reasoning behind certain groups advocating for life is because of monetary gain, they force an individual who cannot communicate his wishes to continue living an unexamined life on his death bed, while the man who does have a say cannot choose his own path. This brings forward the one of the focal points of this paper; can and individual violate their own rights. The government is put in place to protect our individual rights and freedoms, and they use that title to protect our right to life by not letting us choose. Someone can violate the rights of another and be sent to jail in which their rights are revoked until their time is served, but are the consequences the same for one who attempts suicide? The answer is no, a human being may have the right to life, but that life cannot be violated by themselves. I can say this because of the inherent freedoms allowed by the Bill of Rights. In these, Americans are given freedoms to be their own person, to worship, and express themselves completely and fully within constraints of their own person. As long as the rights of other humans are not directly, or even indirectly, put at risk there is no fear of conviction. To explain further I must say that we cannot violate our own rights in the legal sense. If we are to take our own life, it is our right to, and one cannot be held accountable for their choices pertaining to themselves. This leads us to the discussion of positive and negative rights. Positive rights are those that permit or allow action, whereas negative rights are those who permit or allow inaction. For example, a person may want to be assisted in their suicide, and that should be their positive right to do so, but their physician, who may not morally agree with the procedure, has the negative right to refer the patient to a different doctor. This comes up most frequently in the case of abortion where the doctor may not want to go through with it for moral reasons, but the patient still has the right to have the procedure. This is important in the distinction because a person who does not agree with assisted suicide has the negative right not to have the procedure done on their death bed, and the fact that the wishes of other are not imposed on them is showing the freedom this country has not fully applied on both ends of the spectrum. They should have the right not to have the procedure done if they don’t want it, just as much as the person who wishes to have it should be allowed that right. Liberalist Thomas Szasz writes that, â€Å"If freedom is self-ownership—ownership over ones own life and body—then the right to end that life is the most basic of all. If others can force you to live, you do not own yourself and belong to them†. This is exactly what the framers of our constitution wanted us to believe in, self-ownership, freedom, and the pursuit of happiness. What better way to prove that the individual purely owns himself than to be able to make his own decisions up until and including death. Conclusion In conclusion, the proof if right in our own Constitution, and in the precedent set in past court cases and actions of the government. The right to a physician assisted suicide should be a part of our freedoms just as much as abortion, freedom of religion, and freedom of expression. The Bill of Rights sets up certain unwritten rules that everyone should have equal access to, and it should be stated that the right to life can intrinsically be attributed to death as well. There are already states with legislation in order, but it will take an act of government to make it federally acceptable. The arguments against suicide either come from the slippery slope argument or from an argument from morality. As we can see, the slippery slope argument has no proof or rational acceptance, unless more proof from trial comes forth, and since there are already states which have enacted legislation on the subject, and no problems have arisen, we can justify the disregard for such an argument. The argument from morality also holds no grounds because morality is different in each individual being, and we cannot make another mistake in our practice of government such as letting the thoughts of the many outweigh the few who have a constitutional equality. It is stated that we all have our own freedoms, which cannot be violated either by ourselves or by our government. The protections that are placed upon us are inalienable by any means, and it is contradictory to say that we’re violating our own rights and should be held accountable by anyone except for ourselves. To finish, I hope I have shown enough research, and voided enough counter arguments, to show that and rational being must be able to accept the proposition of assisted suicide from the view of legal equality and representation. I’ll end with two quotes that speak volumes to the desires of these terminally-ill people.

Saturday, October 26, 2019

Effect of the Internet on Business Development

Effect of the Internet on Business Development The internet is a network of computers who can share data and communicate between them. Its reach is almost every place in this world (see table 1). Any other technology has never changed a business as fast as internet has done. There are many stories of how a business been transformed on internet. EBay, the biggest e-shop was created by his founder to trade niche goods but now, one can buy or sell almost everything in this world to virtually everywhere. You can transform your business if you are nicely connected to your customers, suppliers and other trade partners. Internet is the best possible connector in a business who is at your service for virtually nothing. There is whole world at your disposal and you dont need to open a shop everywhere. Only thing you need is internet connection with some computer system. If you are able to offer a better deal you are in business otherwise, irrespective of how big or small you are, you are going to run out of business. The impact of interne t includes: Less importance of economies of scale. Fewer barriers to internationalization. Lower marketing communication costs. Greater price standardization. Less information floating time. Easy and fast communication between buyer and sellers. Changes in intermediary relationships. The internet lowers transaction costs in three ways: Search costs: The amount of information available to the buyer and the seller can be increased with the help of internet and that can be accessed conveniently and timely. Contracting costs: The internet helps to establish better communication and monitor the performance of partners in business relationship. It is easier to negotiate and compare prices via internet. Co-ordination costs: The cost of sharing information is reduced due to internet and is helpful in integrating business operations. What is e-business? (Kotler and Keller, 2009) e-business describes the use of electronic means and platform to conduct a companys business. E-business is short form of electronic business, where internet and related technology is used for normal business operations. Here internet is used to increase productivity, reduce costs and thus to increase turnover. The effect of Internet on business Internet has changed the business immensely. It has made the world come closer and trade economically and efficiently. It has created a virtual market where everything is available, not physically but virtually. The greatest effect internet has done on business is that it made trade price sensitive and more logical. A customer now is able to do the research work or comparisons before buying a product or services. Not only customer but it has benefited firm as well. Now firm is able to reach distant customer easily and cheaply. They can create awareness about their product and can interact directly with customer to know their preference, problem and potential solution. There is lot more to come and has impact on almost every sector of business. In further chapters we will discuss about these impacts in detail. Dissertation Objective The objective of writing this dissertation is as follows: To analyse the role of internet in development of business. To highlight the way a firm can effectively use internet technology to gain competitive advantage over their competitors. Project Structure This dissertation is divided in seven chapters with each chapter dealing with a specific topic dealing how internet helps in developing a business. First chapter Introduction contains the basic detail about the internet and their business application. Chapter 2 with heading literature review discusses about the internet and its impact on international marketing, the internet and the e-value chain and international marketing strategy and e-business. Here, the things discussed are the essence of the academic work of known writers. Chapter three discusses about the virtual market (market space) and their different aspects (like how this market can be exploited, what the possible pitfall are and where opportunities lies). Chapter four is about marketing on internet. Here some of the important discussions are on interactive marketing, push marketing and advertising via internet. There is also discussion about global business strategy and driver that need to be adopted for international ma rketing via internet. In chapter five, the academic analysis of internet as a tool for development of business is done. Here porters generic competitive advantage model, Rayport and Sviokla model of marketspace and Dutta and Segevs market space model has been discussed in brief. Further a SWOT analysis of inter is done with some suggestions. In chapter sis a very brief case study of eBay is done. Chapter seven is about the managerial implication of the changing scenario due to internet and in marketplace. Literature Review The Internet and its impact on International Marketing The Internet (Fletcher et al, 2005) The internet is a global network of interlinked computers operating on a standard protocol that allows information exchange. (Carolyn Siegel, 2004) It is the worlds largest network of interconnected distributed computer networks. Thus we can infer that any system which is able to share information to other system through a globally accepted protocol is part of internet and this whole interconnection may be called as internet. Internet commerce (Kotler and Keller, 2009) e-commerce means that the company or site offers to transact or facilitate the selling of products and services online. The internet user in the world is growing fast and so is the market scope for the marketers. According to Internet World Stat, 23.8% of total world population are active internet user. Thus, a vast population of more than 1.5 billion is ready to buy and sell on internet given a better deal. It can be only imagined the vastness and growth of market that within 8 year (2000 à ¢Ã¢â€š ¬Ã¢â‚¬Å" 2008) the world internet users grew by 342% and out of those users, 85% have purchased something on internet (Source, Nielsen, Feb 2008). The Internet and International Marketing (Carolyn Siegel, 2004) Marketing is a collection of activities that bring buyers and sellers together to make exchanges that satisfy and give value to all parties. (Carolyn Siegel, 2004) Internet marketing or e-marketing (electronic marketing) is marketing on internet with the help of emails, World Wide Web or other means. It also includes production and selling of internet related products. According to Fletcher in 2005, the introduction of electronic business has changed the fundamental principles of international marketing. He pointed out certain things that internet has changed are: Size of firm is no longer a barrier to internationalization. No need of overseas intermediaries as it became easier to locate customer and deal directly with them. No longer is traditional way of internationalization (moving from familiar to less familiar country) applicable as information became easily available and the communication medium is interactive. The internet (as a low cost medium) allows small and medium firms to become global marketer at their early stage. This is due to the fact that internet can help establishing better communication among overseas customers, suppliers, agents and distributors. We will discuss more about drivers of internet business model, impact of internet on international marketing in chapter 5. Characteristics According to Richard Fletcher et al, 2005, the internet is both communication and a marketing intelligence tool. As a communication tool it helps to build and maintain effective communication with overseas suppliers, distributors and customers. The internet has good information processing capability which acts as link between firm and external environment (discussed later). This ability of internet used as marketing intelligence tool. The internet is used as marketing channel and has following characteristics: Ability to store vast amount of data (information) inexpensively at virtually different location. Interactivity and ability to provide information on demand. Relatively low entry and establishment costs for sellers. Serve as distribution medium for goods like software, e-books etc. Powerful and cheap tool for searching, organizing and processing information. The ability to provide better insight of a product than that of other form of printed catalogue. The Internet and the e-value chain Netchising or Virtual value chain According to Beck and Morrison (2000), the physical value chain activity while globalization has not seen good results. This is due to the fact that a firm uses their resources in overseas activity at the expense of opportunities of domestic market. Not only that, there are other problem faced by an organisation like coordination of physical operations across the globe, the cultural differences, the cost of expatriates and vulnerability to environmental risk that can damage reputation of the firm. Most of these problems can be effectively solved by netchising, a term coined by Beck and Morrison (2000). Netchising is the practice of handing over overseas operations to partners (generally overseas) by outsourcing, subcontracting or franchising. Netchising has following advantages: Efficiency: generally overseas partners are more efficient and are specialized in carrying out the outsourced activities than the outsourcing firm. Convenience: exchange of information becomes easy. Now, orders can be directly placed to the firm without any local agent and a firm can also share information to the customers directly. Reduction in Transaction cost: It reduces the cost of carrying business operations which ultimately benefit the profitability of firm. International value chain According to Plumley (2000), international e-business value chain is the combination of e-commerce platform and secure transaction support (see figure 2.1). The e-commerce platform builds on the countries business rules and language where as secure transaction support builds on currency clearing and legal requirement. According to Gartner Group, internet affects the supply chain (see figure 2.2). It shows that a customer can buy and pay for the product or services easily and at the same time a supplier can also communicate directly with customer and with their own other internal departments. International information chain According to Karmarkar (2000), internet value chain is closely linked with international information chain. The language and cultural differences is the main hurdle in the path of globalization of a firm. When a firm deals with information product (like music, e-books or software) then it becomes easier to go global. In certain cases when product or services are not much attached to language or cultural factors (for ex. Technical publishing and industrial services), then also it is easy to become global. In production of information product and services low labour cost is the key as relative cost of hardware and software has come down. Now, firms look for low cost labour market (like India, China) to develop information products. Outsourcing of information services (customer care service such as call centres) and software development cell are some examples. Thus we can say that in information value chain, the physical infrastructure doesnt play a vital role. International Marketing Strategy and e-business Internet issue and foreign market entry According to Oxley and Yeung (2000), the e-commerce readiness of a market is determined by three factors: The rule of law: A customer is not able to see the original product while purchasing online. Therefore, they need to be assured that if they purchase a product or service online; they will get them as they were told or shown online in given time limit. According to survey by e-consultancy in 2008, 84% buyers look for the sign that a website is secure before making a purchase. Thus, a market (country) must be able to provide an environment where property rights are well defines, courts are efficient in resolving disputes and consumer credits and consumer protection regulations are well established and enforced (i.e. strong tradition of the rule of law). The transactional integrity of online business: It is difficult to track a e-business trader by their e-mail address or website. Also, the entry and exit barrier in e-business is low and this is used as a weapon by dishonest e-traders. They can execute fraud and again be able to do it with a new name (as they can entre again in market with new identity). When dispute arises, it is hard to practise legal action in a different country and can be costly. The availability of infrastructure: migration from traditional market to online market is not possible until customers have access to personal computer and internet connection at reasonable price. Apart from these facilities, they do have the facility of credit card or online payment system. Thus, internet related infrastructure and financial infrastructure are essential Electronic Marketplace Internet a virtual market According to Garrison, (1996), the internet acts as a catalyst for sociological change. It has changed the nature of market, the way of business operation and the mode of communication with customers and other business partners. It has created a market space which has affected the traditional marketplace and consumer preferences by providing greater facilities to them. Internet has become the largest market available to mankind where almost everything is been sell or bought. This market space doesnt exist in physical terms but can get everything available in physical market. Physical vs. Virtual Value Chain Value chain is nothing but a set of value adding activity for the product or services. Rayport and Sviokla, 1996, argued about a new value chain termed as virtual value chain where product or services exist as a piece of information and can be delivered through information based channel of communication. This virtual value chain is different from physical or traditional value chain where one can see or touch products. He said the virtual world as market space while the physical world as marketplace. According to Fletchar et al 2005, the virtual value chain is a realm where products and services exist as digital information delivered through information based channel. He also differentiates virtual value chain and physical value chain on the basis of information used. The virtual value system uses information as the source of value while in physical value chain it is used as a supporting element of value adding process. Thus we can say that now a day a firm has to compete in two busin ess environment, one is traditional and other is virtual business environment. The distinction between the two can be understood by this example. when consumers use answering machines to leave a message, they are using an object that is both made and sold in the physical world, however when they buy electronic answering services from the phone company they are using the market space à ¢Ã¢â€š ¬Ã¢â‚¬  a virtual realm where products and services are digital information and are delivered through information-based channels. (Rayport and Sviokla, 1996) Figure 2: The Virtual Value Chain in relation to The Physical Value Chain (source: Hollensen, 2001). Adoption of Value Adding Activities: Company adopts value adding information activities in the following three stages: Visibility: Here large scale information systems are used to coordinate activities in the physical value chain. Mirroring Capability: It is the capability of substituting physical activities with virtual and thus creating a parallel virtual value chain in the marketspace (see figure 2). New Customer Relationship: This is the flow of information to customer to deliver value in new ways. This parallel physical and virtual value chain operation allow firms to deliver value to their customer in both marketspace and marketplace. These operations create marketspace based relationship with customers. The virtual value chain consists of five steps, say, gathering, organising, selecting, synthesizing and distributing information. These value adding activity allow company to identify customers desires more effectively and fulfil them more efficiently. This happens, for example, when a car manufacturer shifts its RD from the physical to the virtual value chain. By doing so, they involve customers of different locations in the new product development process. The physical value chain is linear (a sequence of activities with defined input and outputs), whereas the virtual value chain is non-linear (a matrix of potential inputs and outputs that can be accessed and distribute by a wide variety of channels). Relationship marketing It is a way of marketing where marketers or firm try to attract, maintain and enhance relationship with customers and other business partners. Internet (or website) acts as the best medium to communicate with people related to business. Firms now focus on relationship marketing to gather information from customers, to develop customized product or services for a focussed customer group. The internet helps firms to improve relationship with their customers and suppliers; and help them to work effectively. Now a firm doesnt need a middleman or a agent as they can sell directly to the customer via internet. Thus the distance with customer is decreasing and a firm need a smaller supply chain which can increase their profitability. The lesser distance also allows firms to establish a close relationship with customer and provide those customized products or services as per their need. The firms (like eBay, Google etc) involved in innovative business have always realized the power of customer relationship. They bank on the ability to process large relationship database. With the help of this relationship database they formulate their strategy and develop innovative way of marketing. The relationship marketing not only benefit the firm but also the customers. The customers are benefitted because firm can develop customized and focussed marketing message. Mattsson, (1996), has described a relationship as combination of three main components, which affect the parties involved in a business. Those components are legal(L), behavioural(P), and atmospheric (E). These three factor determines the success and failure of a relationship marketing in a particular market. Thus it is possible to have a successful buyer-seller relationship in domestic market totally failure in overseas market. Finally we can say that relationship marketing includes the management of a firm and thus it must be included in the business plan Marketing on the Internet Internet and Global Business Strategy (Kotler and Keller, 2006) e-marketing describes company offers to inform buyers, communicate, promote and sell its products and services over the internet. Drivers of Internet Adoption in International Marketing Once a firm establishes an internet portal (website), they automatically become a MNC (Multi National Company). Quelch and Kelvin (1996) describe two evolutionary paths of a website: Information to Transaction Model (figure 4.1) adopted by existing MNCs where they offer information to address the needs of existing customers. Transaction to Information Model (figure 4.2) adopted by internet start-up companies where they begin with transaction and use the medium to build brand image and secure repeat orders. The basic purpose of these models is either to reduce cost or to increase revenue. According to Quelch and Kelvin (1996), these drivers fall into four quadrant as given in figure 4.3. Internal customers focus/ cost reduction (quadrant 1): This is applicable to the companies who use website as a tool to communicate with their customers. Their main focus is to provide customer services for domestic market. They just happen to attract international traffic. Internal customer focus/ revenue generation (quadrant 2): This is applicable to the companies who use website not only to communicate with their domestic customers but also offer transactions online. This enables a firm to reach those international customers who might be inaccessible via other media. External customer focus/ cost reduction (quadrant 2): This is applicable to the companies whose main aim is to attract international audience through their website. This happens to benefit all customers because of the international scope of operations. External customer focus/ revenue generation (quadrant 3): This is applicable to the firms who not only focus on attracting international audience but also offer transactions worldwide. Here transaction involves connecting buyers and sellers. Company target providing services to existing customers and attract new customers from global market. Impact of Internet on International Marketing Variables The modification in marketing mix variables is necessary while using internet for international marketing. The impacts of internet on application of marketing mix while going to international market are as follows: Pricing: Due to internet customers are more aware of prices in different countries and thus there is increase in price standardization across borders and price differential become narrow. One advantage of this is that price can be customized easily with customers need and their profile (segment). Distribution Channels: Internet has dramatically reduced the number of intermediaries earlier needed for worldwide distribution channels. As now, less capital is needed for inventory and thus the role of intermediaries has been changed. The new roles of intermediaries include collection, spreading, interpretation and distribution of information rather than traditionally handling and distribution of products. Creation of new Market: Internet offers new opportunities for firms to create market by helping buyers and sellers to locate and negotiate trade terms with each other (ex. eBay etc). There is also a market developed for executing transaction between traders (ex. PayPal etc). New Product Diffusion: The traditional test as you go practice where shifting products from one country to another is now outdated. Now, new product announcement or launch generates immediate demand (as information travel faster on internet) and that requires immediate availability of goods. Customization: Due to internet, getting demographic and purchasing profile of customer became easy. This allows firms to customize products for local adaption as per local market demand. Advertising on internet Internet is a low cost advertising medium having reach to global audience. Advertising on internet includes banner advertising on website, email, blogs and links to search engines. As traditional media of advertising is quite expensive and at the same time internet infrastructure is improving day by day and able to prove support to video and graphics on web. With this improvement a firm can successfully launch an online advertisement campaign. Interactive advertising According to Haeckel, Marketing interactivity is a person-to-person or person-to-technology exchange designed to effect a change in the knowledge or behaviour of at least one person. He also point out that interactivity is function of certain dimensions, which is given as: I = Æ'(N, C, F, SI, CI, T, CT, SY, M) Where, I = impact of interaction, M = Type of media involved (Other factors not discussed as not relevant to current topic). Now, as a technology, internet is the strongest media for interactive marketing. The reason for that is Internet is used by almost a quarter of the total world population. It is not limited to a particular geographic reason. The growth of user is fast. Cheapest and fastest way of interacting with majority of population (both for customer and marketers). Haeckel also pointed out that there is going to be much more business and marketing use through internet. He made a graph which shows how we find usage of a new technology with time (see graph below) and thus we can say there is more in store than what we are seeing and using presently. Even interactive marketing may see turnaround with this technology. Marketing with push technology (Wetzel, 2008) defined push marketing as, customers are provided information by receiving or viewing advertisements digitally, such as: e-mail, SMS, RSS, phone calls, etc., as subscribers of the latest product and service information provided by the company. The internet is the cheapest and most effective media that is used for push marketing. Advantages of Push Marketing via Internet Tracking of Customer Preference: It is easier to track user preference with the help of push technology (internet) and customize according to their preferences. A good example of this is Google AdSense that tracks the users visited website or keywords in mail and according to those criteria it shows advertisement (related link). Increase Accessibility: With the help of push marketing a firm can increase customer accessibility by the firms marketing and advertisement of the products. Subscribers get pushed by built in developed software called PointCast that enable users to receive automatic content updates via their internet connection and web presence as the channel to get information when their computers are not in use. Corporate identity in cyberspace Firms are now using web to extend and reinforce their companies brand image in a cost efficient manner. This serves as a complementary media device that re-establishes a firm in consumers mind. By providing valuable information to users a firm can expand their brand image. The regular updating of information may attract customers to visit website regularly, which will reinforce firms image and provide them a chance to create a new and extended cyber image. Analysis and Methodology Competitive Advantage via Internet Porters three generic strategies for competitive advantage According to Porter (1985), a firm can earn high return if they are able to position themselves well enough, irrespective of the structure of the industry and profitability of the industry. He pointed out the fundamental basis for above average performance is sustainable competitive advantage in long run. For that sustainable competitive advantage he gave three generic competitive strategies. Cost Leadership: According to porter (1985), a firm is having cost advantage over his competitors if the cumulative cost of performing value activity is less than the competitors. He further discussed that a firms cost position is a function of; (a) the composition of their value chain to their competitors, (b) their relative position in cost drivers. Now, we see that how internet helps them to achieve them cost leadership by affecting the above two functions. Differentiation: Porter (1985) describes another strategy for competitive advantage is to differentiate their product with competitors products. This means raising the quality with ignoring the cost for the sake of quality. Now internet can help them to do that by interacting directly with customer and customizing products according to target group. Many firms now use blog site to interact with customers and promoting their new or customized product. Focus: Porter describe this as customizing products or services to suit a focused or small segment of consumer group. The internet helps firms to focus on different aspects of the products and customer group. Internet even allow firm to receive specification from each and every customers and according to them they can produce customized products or services. As discussed in chapter 3, the relation of physical and virtual value chain (Hollensen, 2001), we find there is virtual value chain corresponding to each physical value chain. By applying this value chain a firm can become cost leader as it depends on two factors discussed above. A firm can shift to virtual value chain to gain cost advantage over their competitors physical value chain. For example Federal Express (FedEx), a shipment company allows consumer to track their parcels. This tracking system via internet is very efficient and economical. The FedEx has now reduced more than a million query calls per month by providing online shipment tracking system. This is one of the way of reducing cost and step towards cost leader position and at the same time it differentiate FedEx from their competitors. But this is not enough as sooner or later others will follow same practice and FedEx lose the competitive edge. The real edge lies on the innovative and creative way of finding or chang ing physical value chain to virtual value chain. So now apart from technology, innovative idea of using technology is the key for success of a firm. Stuck in the middle Porter (1985) points out a situation, where a firm try to achieve both generic strategy (cost leadership and differentiation) but fails to achieve any of them. He calls this situation as stuck in the middle. According to him, a firm stuck in the middle will compete at disadvantage as others competitors (cost leader, differentiators) will be better positioned to compete in any segment. In case of Google AdSense, Google is offering a differentiated advertising tool at very low cost (usually one get this via auction, where price is driven by customer not producer) is offering a differentiated (highly unique and effective) advertisement. Here both cost leadership and differentiation is achieved by Google with the help of technology. Johnson et al (1998) discuss about the core competency of a firm may be difficult to imitate because they are complex. The google is doing the same thing by making the internal structure complex, which is hard to imitate by competitors. Thus, they can put the mselves in a position where for an advertisement position (ex. Out of five position or space, advertisers bid for first position then second and so on), firms bid among themselves. Thus, it is possible to achieve a position where a firm can achieve cost leadership and differentiation without compromising one for the other with the help of technology (say internet) and their own creativity (say way of using internet). E-business marketing Models and International Competitiveness Rayport and Sviokla Model According to Rayport and Sviokla (1995), the internet has changed the nature of trade. Internet has made both physical location of inventory and the actual place (marketplace) of trade irrelevant. They argued that traditional marketplace (the physical market) transaction has been replaced by markets place (virtual market or e-market) transaction. They concluded that brand equity is created in marketplace through content (i.e. the product offering), context (the communication programmes) and infrastructure (i.e. the pricing and value chain activity related to distribution). While in market space (internet marketing); content, context and infrastructure has been transformed to innovate new ways of creating value. The changes are: Content: Now, everything possible is delivered electronically whether it is product, service or information. Even though operating system (Microsoft window) are available online. They tim

Friday, October 25, 2019

Comparing Frankenstein, Origin of the Species and Decent of Man Essay

Comparing Frankenstein, Origin of the Species and Decent of Man  Ã‚   I will demonstrate in this paper how Mary Shelley's Frankenstein confirms, and at the same time contradicts Darwin's ideas presented in "The Origin of the Species" and "The Decent of Man." Mary Shelley's Frankenstein is at once, confirming, and contradictory of Charles Darwin's scientific discoveries and views on science, nature and the relation of the individual to society. Mary Shelley confirms Darwin's ideas through Frankenstein, when Dr. Frankenstein and Darwin both reject God as the creator of human life. Although this is a major theme in both works, it is the only similar idea shared between both Darwin and Frankenstein. Darwin's understanding of nature is comparable to that of Mary Shelley; although how the individual relates to society is gravely different between the two works. One of Darwin's admiring disciples, Andrew Carnegie, the author of "The Gospel of Wealth," shows us how contradictory these ideas are in relation to each other. His ideas of inheritance and the conduct of man are in disagreement with the actions of Shelley's Dr. Frankenstein. Throughout Darwin's works the idea of the rejection of God as creator of man prevails. He alludes to prehistoric marine Ascidian larvae, as the predecessors to the later evolved human beings we are today. This would give credit for the creation of man to the process of evolution, not to the handiwork of a Supreme Being. "Species had not been independently created, but had descended, like varieties, from other species"(Appleman, 36). Darwin is showing here what conclusions he came upon about the "Origin of the Species", in which he used science to prove his theories. He is replacing God with ideas... ...heir works, giving the power of creation to evolution and mankind. They also both present similar views on nature, seeing it as a tool for scientific exploration and not as a wonder of beauty as it is often seen today. Using the work of Andrew Carnegie to show Darwinian ideas about the individual in society, we can see that these ideas strongly contradict those which Shelley presents in Frankenstein. Overall I believe that Mary Shelley's Frankenstein exemplifies many ideas expressed in the works of Darwin, enough that they can be considered enriching of each other in terms of comparison. Works Cited: Darwin, Charles. The Origin of Species. New York: Gramercy Books, 1979. Darwin, Charles. The Descent Of Man. Amherst, NY: Prometheus Books, 1998. Shelley, Mary. Frankenstein. Ed. D.L. Macdonald and Kathleen Scherf. Orchard Park, NY: Broadview Press, 1999.

Wednesday, October 23, 2019

The Arterial Blood Pressure Health And Social Care Essay

Blood force per unit area refers to the measuring of force that is applied to the walls of the arterias as the bosom pumps blood through the organic structure. The force per unit area is determined by the force and the sum of blood pumped, and the size and flexibleness of the arterias. High blood force per unit area, besides known as Hypertension, is considered as above 120/80 mmHg ( PubMed Health, 2011 )PathophysiologyArterial blood force per unit area is a merchandise of cardiac end product and systemic vascular opposition. A alteration in the vascular wall thickness affects the elaboration of peripheral vascular opposition in hypertensive patients. This consequences in the contemplation of moving ridges back to the aorta and hence increasing the systolic blood force per unit area ( Medscape, 2011 ) . Although 90 % of high blood pressure instances, the cause is non truly known ( Moser, p.11 ) , harmonizing to the Australian Institute of Health and Welfare ( AIHW ) , the causes of h igh blood force per unit area are both biomedical and lifestyle oriented. Major causes include ; being overweight, dietetic salt consumption, and nutrition forms which involve low consumption of fruit and veggies and an high consumption of saturated fat ( Australian Institue of Health and Welfare,2010 ) . Although most of the clip there are no marks and symptoms, such may happen ; confusion, ear noise or buzzing, weariness, concern, irregular pulse, epistaxis, vision alterations. These marks are known as marks of complication or perilously high blood force per unit area called malignant high blood pressureNursing AppraisalAs a patient is admitted to the infirmary, it is critical to execute a nursing appraisal on admittance to garner baseline readings of the patient. The Systems Approach Framework was used to buttockss Mr Nicholas Manners from caput to toe in a mode of subjective and nonsubjective informations. The classs used are as follows ; Central Nervous System, Cardiovascular S ystem, Respiratory System, Gastrointestinal Tract, Renal System, Integumentary System and Metabolic System. CNS – patient is able to communicate-states he has a concern, assess motion of limbs, esthesis to fringes and trouble if any. CVS – HR 95, BP 160/90, assess capillary refill, patient is red in the face – assess circulation of the remainder of the organic structure including warmth and coloring material. RESP. – RR 19 beats per minute, SaO2 97 % on room air, auscultate his chest- listen for abnormalcies in the lungs as he is a tobacco user, measure his work of external respiration. GIT – farther buttocks appetency and eating wonts, auscultate for intestine sounds, buttocks and record intestine direction. RENAL – buttocks input and end product and record observations if needed, utilizing a unstable balance chart. INTEGUMENTARY – buttocks tegument for cicatrixs, waterlessness, integral and skin turgor. METABOLIC – buttocks Hb, BGL and liver map through a blood trial.Education and Psychosocial supportEducation and support that can be offered to Nicholas to help him in deriving more information and support for his Hypertension include: Dieticians which Nicholas can be referred to during his stay in infirmary, to educate him about a healthy diet and besides supply support. Social worker to supply support for Nicholas and his household if needed. Information brochures can be retreived from the infirmary, to educate Nicholas on Hypertension. Web sites such as Better Health Channel, Hypertension Education Foundation and the Heart Foundation, all provide instruction and information about support for patients about high blood pressure.Nursing DiagnosisGoalsInterventionsRationaleEvaluationIneffective wellness care related to incapableness to change life style Short term: Introduce low-sodium and low fat nutrients into Nicholas ‘ diet Refer Nicholas to a dietitian for instruction of low-sodium and low-fat nutrients. To cut down the sum of high-fat nutrients Nicholas is devouring. Nicholas ‘ diet presently consists of less high-fat nutrients. Short term: Aim to cut down blood force per unit area readings to less than 150/80 by the following GP visit in a hebdomad. Teach Nicholas to take Nicholas ain blood force per unit area daily at place and record it. To brace Nicholas ‘ blood force per unit area at a lower degree. Nicholas ‘ blood force per unit area readings have now stabilised to a lower degree. Long term: Develop a regular exercising program for Nicholas to follow. Promote Nicholas to walk for an hr each twenty-four hours. To promote Nicholas to prosecute in a healthy life style. Nicholas participates in an hr of physical activity each twenty-four hours. Long term: Aim to discontinue smoke in the following 8-12 months. Refer Nicholas to back up plans such as ‘QUIT ‘ to back up and help Nicholas in discontinuing smoke. To cut down Nicholas ‘ hazard of holding blocked arterias and therefore increasing Nicholas blood force per unit area Nicholas has now quit smokeNursing DiagnosisGoalsInterventionsRationaleEvaluationFatigue related to the effects of high blood pressure and the day-to-day life stressors. Short term: Aim to command side effects such as weariness. Educate Nicholas on the side effects, to help him in commanding them. To help Nicholas in deriving cognition of the side effects and how to command them in instance they are experienced after discharge. Nicholas is able to command his small if any side effects experienced. Short term: Aim to keep a stable degree of fluids in the organic structure. Ensure Nicholas drinks plentifulness of H2O throughout the twenty-four hours. To maintain Nicholas hydrous and cut down weariness. Record amounts utilizing a unstable balance chart if needed Nicholas ‘ weariness degrees have decreased as he is imbibing plentifulness of H2O throughout the twenty-four hours. Long term: Reduce the emphasis degrees experienced throughout the twenty-four hours. Discuss emphasis cut downing methods applicable to Nicholas. To cut down the hazard of increasing Nicholas ‘ blood force per unit area. Nicholas has reduced his emphasis degrees utilizing the methods discussed Long term: Develop a healthy feeding program to utilize one time Nicholas is discharged Refer Nicholas to a dietician to help in educating him in the importance of a healthy diet and developing a program. To cut down weariness related to an unhealthy diet. Nicholas has continued his healthy feeding program and does non endure from weariness.Nursing DiagnosisGoalsInterventionsRationaleEvaluationImbalanced nutrition related to deficient cognition of the relationship between diet and the disease Short term: Brace the instabilities of nutrition Provide Nicholas with a scope of fruits and veggies To supply Nicholas with a assortment of foods from a scope of nutrients. Nicholas ‘ diet now chiefly consists of fruit and veggies Short term: To do Nicholas ‘ cognition on the disease Provide Nicholas with information such as booklets about high blood pressure To guarantee Nicholas has a good cognition of high blood pressure Nicholas is now good educated on his disease Long term: To brace Nicholas ‘ weight within 6-8 months of discharge Refer to dietician to measure and supervise his diet and aid with his weight loss To guarantee Nicholas has the support required to run into his end Nicholas is now within a healthy weight scope for his gender, tallness and age Long term: Derive more cognition on the effects of smoke Educate Nicholas on the effects of smoking to his organic structure To guarantee he is cognizant of the harm smoke is making to his organic structure Nicholas is good informed on the effects of smokeNursing DiagnosisGoalsInterventionsRationaleEvaluationNon-compliance related to the side effects of the intervention ( Ackley & A ; Ladwig, p.315 ) Short term: Maintain stableness of side effects Monitor Nicholas and supply advice when non following instructions of intervention To guarantee Nicholas ‘ intervention continues on the right way. Nicholas ‘ side effects have decreased. Short term: Long term: Long term: Maintain conformity of intervention Educate Nicholas on hazards if intervention non followed as required To guarantee Nicholas ‘ wellness does non deteriorate Nicholas is compliant with his interventionDiagnostic TrialsDiagnostic trials that will help with the appraisal and direction of Nicholas include: Electrocardiogram ( ECG ) – This trial determines if the bosom has sustained nay harm due to untreated high blood pressure ( Cardio Connection, n.d ) . This trial assists with the direction of Nicholas ‘ high blood pressure by supplying moving ridges of the electrical current of the bosom. Urinalysis – This trial is used to test the causes of high blood pressure and expression for any harm to the kidneys as a consequence of untreated high blood pressure ( Cardio Connection, n.d ) . The trial assists with the direction to derive information about the wellness of Nicholas ‘ kidneys. Blood Glucose – This trial determines the sugar degrees in the blood and screens for secondary causes of high blood pressure and the hazard factors involved with more accelerated diseases such as diabetes. Both diabetes and high blood pressure are associated with the rapid patterned advance of arterial sclerosis and harm to the kidneys ( Cardio Connection, n.d ) . This assists in keeping a stabile sugar degree of the blood to cut down the hazard of harm to the kidneys. Serum K – This trial looks for a treatable cause of high blood force per unit area and finding the baseline degree prior to utilizing medical specialty for intervention ( Cardio Connection, n.d ) . This assists in finding a baseline to compare to if it were to promote.Hazard AppraisalUpon admittance, a hazard appraisal must be completed to find the patient ‘s hazard of holding a autumn. This appraisal besides assists the nurses in guaranting the patient has their properties or AIDSs within range to guarantee the patient ‘s safety and to diminish their hazard of hurt. The appropriate appraisal tool for Nicholas would be a Falls Risk Assessment Tool ( FRAT ) . This relates to Nicholas as he complained of giddiness and deficiency of slumber. This is needed to measure his hazard of hurt. Mention to Appendix 1 for a Falls Risk Assessment Tool.MedicinesNifedipine – Antihypertensive agent – as stated by Tiziani, 2006 Action: Besides known as Ca adversaries, these agents impede the inflow of Ca ions during depolarization of cardiac and vascular smooth musculus, doing betterment in the myocardial O supply and cardiac end product, and a decrease in myocardial work by cut downing afterload ( Tiziani, 2006 ) Use: Angina pectoris Mild to chair high blood pressure Nicholas has been prescribed this medicine to help with bracing his blood force per unit area. Interactions: Contraindicated with rifampicin May do bosom failure if used with beta-adrenoceptor-blocking agents Serum concentrations may be increased if given with Tagamet, Quinidex or Cardizem. Excessive cardiovascular depression may happen if given with inspiration anesthetics. Adverse effects: Headache, giddiness, dizziness, flushing, weariness, dizziness. Anorexia, sickness, irregularity, abdominal hurting, dry oral cavity. Muscle spasms. Nursing points/precautions: Note and study thorax hurting because thie requires stoping the drug. Patient should be advised to avoid drive or operating machinery if giddiness or dizziness is a job. Caution if used in those with aortal stricture, bosom failure, liver damage, discrepancy or Prinzmental angina, unstable angina, or recent myocardial infarction. Atorvastatin – lipid-regulating agent – as stated by Tiziani, 2006 Action: Reduce cholesterin significantly in patients with type II lipemia and hence besides significantly cut down the hazard of coronary arteria disease Use: Hypercholesterolaemia Nicholas has been prescribed this medicine to take down the entire cholesterin and low-density lipoproteins ( LDL ) Interactions: May addition plasma concentration of Lanoxin, increasing the hazard of toxicity. Caution if used with Tagamet, Aldactone or ketoconazole. Adverse effects: Headache, insomnia. Constipation, flatulency, abdominal hurting, sickness, diarrhea. Back hurting Nursing points/precautions: Liver map trial should be performed before get downing therapy and at 6 and 2 hebdomads, so twice annually. Advise patient to describe any musculus hurting, spasms, tenderness or failing, unease or febrility. Should be withheld if any status occurs that predisposes the patient to rhabdomyolysis, such as injury, sepsis, uncontrolled epilepsy or metabolic, or endocrinal instabilities.

Tuesday, October 22, 2019

Early Life Theories - Panspermia Theory

Early Life Theories - Panspermia Theory The origin of life on Earth is still somewhat of a mystery. Many different theories have been proposed, and there is no known consensus on which one is correct. Although the Primordial Soup Theory was proven to be most likely incorrect, other theories are still considered, such as hydrothermal vents and the Panspermia Theory. Panspermia: Seeds Everywhere The word Panspermia comes from the Greek language and means seeds everywhere. The seeds, in this case, would not only be the building blocks of life, such as amino acids and monosaccharides, but also small extremophile organisms. The theory states that these seeds were dispersed everywhere from outer space and most likely came from meteor impacts. It has been proven through meteor remnants and craters on Earth that early Earth endured innumerable meteor strikes due to a lack of an atmosphere that could burn the up upon entry. Greek Philosopher Anaxagoras This theory was actually first mentioned by Greek Philosopher Anaxagoras around 500 BC. The next mention of the idea that life came from outer space wasnt until the late 1700s when Benoit de Maillet described the seeds being rained down to the oceans from the heavens. It wasnt until later in the 1800s when the theory really started to pick up steam. Several scientists, including Lord Kelvin, implied that life came to Earth on stones from another world which began life on Earth. In 1973, Leslie Orgel and Nobel prize winner Francis Crick published the idea of directed panspermia, meaning an advanced life form sent life to Earth to fulfill a purpose. The Theory is Still Supported Today The Panspermia Theory is still supported today by several influential scientists, such as Stephen Hawking. This theory of early life is one of the reasons Hawking urges more space exploration. It is also a point of interest for many organizations trying to contact intelligent life on other planets. While it may be hard to imagine these hitchhikers of life riding along at top speed through outer space, it is actually something that happens quite often. Most proponents of the Panspermia hypothesis actually believe the precursors to life were what was actually brought to the surface of the earth on the high-speed meteors that were constantly striking the infant planet. These precursors, or building blocks, of life, are organic molecules that could be used to make the first very primitive cells. Certain types of carbohydrates and lipids would have been necessary to form life. Amino acids and parts of nucleic acids would also be necessary for life to form.   Meteors that fall to the earth today are always analyzed for these sorts of organic molecules as a clue to how the Panspermia hypothesis may have worked. Amino acids are common on these meteors that make it through todays atmosphere. Since amino acids are the building blocks of proteins, if they originally came to Earth on meteors, they could then congregate in the oceans to make simple proteins and enzymes that would be instrumental in putting together the first, very primitive, prokaryotic cells.

Monday, October 21, 2019

Pigment Definition and Chemistry

Pigment Definition and Chemistry A pigment is a substance that appears a certain color because it selectively absorbs wavelength of light. While many materials possess this property, pigments with practical applications are stable at normal temperatures and have a high tinting strength so only a small amount is needed to see the color when its used on objects or mixed with a carrier. Both pigments and dyes absorb light to appear a certain color. In contrast, luminescence is a process by which a material emits light. examples of luminescence include phosphorescence, fluorescence, chemiluminescence, and bioluminescence. Pigments that either fade or else blacken over time or with extended exposure to light are called fugitive pigments. The earliest pigments came from natural sources, such as charcoal and ground minerals. Paleolithic and Neolithic cave paintings indicate carbon black, red ochre (iron oxide, Fe2O3), and yellow ochre (hydrated iron oxide, Fe2O3 ·H2O) were known to prehistoric man. Synthetic pigments came into use as early as the 2000 BCE. White lead was made by mixing lead and vinegar in the presence of carbon dioxide. Egyptian blue (calcium copper silicate) came from glass colored using malachite or another copper ore. As more and more pigments were developed, it became impossible to keep track of their composition. In the 20th century, the International Organization for Standardization (ISO) developed standards for characteristics and testing of pigments. The Colour Index International (CII) is a published standard index that identifies each pigment according to its chemical composition. Over 27,000 pigments are indexed in the CII schema. Pigment Versus Dye A pigment is a substance that is either dry or else insoluble in its liquid carrier. A pigment in liquid forms a suspension. In contrast, a dye is either a liquid colorant or else dissolves in a liquid to form a solution. Sometimes a soluble dye may be precipitated into a metal salt pigment. A pigment made from a dye in this manner is called a lake pigment (e.g., aluminum lake, indigo lake). Pigment Definition in the Life Sciences In biology, the term pigment is defined somewhat differently, where a pigment refers to any colored molecule found in a cell, regardless of whether or not it is soluble. So, although hemoglobin, chlorophyll, melanin, and bilirubin (as examples) dont fit the narrow definition of pigment in science, they are biological pigments. In animal and plant cells, structural color also occurs. An example may be seen in butterfly wings or peacock feathers. Pigments are the same color no matter how they are viewed, while structural color depends on the viewing angle. While pigments are colored by selective absorption, structural color results from selective reflection. How Pigments Work Pigments selectively absorb wavelengths of light. When white light strikes a pigment molecule, there are different processes that can lead to absorption. Conjugated systems of double bonds  absorb light in some organic pigments. Inorganic pigments may absorb light by electron transfer. For example, vermilion absorbs light, transferring an electron from the sulfur anion (S2-) to a metal cation (Hg2). The charge-transfer complexes remove most colors of white light, reflecting or scattering back the remainder to appear as a certain color. Pigments absorb or subtract wavelengths and do not add to them like luminescent materials do. The spectrum of the incident light affects the appearance of a pigment. So, for example, a pigment wont appear quite the same color under sunlight as it would under fluorescent lighting because a different range of wavelengths are left to be reflected or scattered. When the color of a pigment is represented, the lab light color used to take the measurement must be stated. Usually this is 6500 K (D65), which corresponds to the color temperature of sunlight. The hue, saturation, and other properties of a pigment depend on other compounds that accompany it in products, such as binders or fillers. For example, if you purchase a color of paint, it will appear different depending on the formulation of the mixture. A pigment will look different depending on whether its final surface is glossy, matte, etc. The toxicity and stability of a pigment are also affected by other chemicals in a pigment suspension. This is of concern for tattoo inks and their carriers, among other applications. Many pigments are highly toxic in their own right (e.g., lead white, chrome green, molybdate orange, antimony white). List of Important Pigments Pigments may be classified according to whether they are organic or inorganic. Inorganic pigments may or may not be metal-based. Here is a list of some key pigments: Metallic Pigments cadmium pigments -  cadmium red, cadmium yellow, cadmium orange, cadmium green, cadmium sulfoselenidechromium pigments -  chrome yellow, viridian (chrome green)cobalt pigments -  cobalt blue, cobalt violet, cerulean blue,  aureolin  (cobalt yellow)copper pigments -  azurite, Egyptian blue, malachite, Paris green, Han purple, Han blue,  verigris, phthalocyanine green G, phthalocyanine blue BNiron oxide pigments -  red ochre, Venetian red, Prussian blue, sanguine, caput mortuum, oxide redlead pigments -  red lead, lead white,  cremnitz  white, Naples yellow, lead-tin yellowmanganese pigment -  manganese violetmercury pigment -  vermilliontitanium pigments -  titanium white, titanium black, titanium yellow, titanium beigezinc pigments -  zinc white, zinc ferrite Other Inorganic Pigments carbon pigments -  carbon black, ivory blackclay  earths  (iron oxides)ultramarine pigments (lapis lazuli) -  ultramarine, ultramarine green Organic Pigments biological pigments -  alizarin, alizarin crimson, gamboge, cochineal red, rose madder, indigo, Indian yellow, Tyrian purplenonbiological organic pigments -  quinacridone, magenta,  diarylide  yellow, phthalo blue, phthalo green, red 170

Sunday, October 20, 2019

French English True Cognates Starting With S

French English True Cognates Starting With S One of the great things about learning French or English is that many words have the same roots in the Romance languages and English. The 1,700 words on the following pages are spelled (although not pronounced) identically in French and English and are true or semi-true cognates. Before you start memorizing them, please read some important notes about these cognates.The (parentheses) indicate the words part of speech in both languages, and, in the case of nouns, the gender of the noun in French.sabotage  Ã‚  Ã‚  (masculine noun)sacrifice  Ã‚  Ã‚  (masculine noun)safari  Ã‚  Ã‚  (masculine noun)saga  Ã‚  Ã‚  (feminine noun)saint  Ã‚  Ã‚  (masculine noun)salami  Ã‚  Ã‚  (masculine noun)salutation  Ã‚  Ã‚  (feminine noun)samba  Ã‚  Ã‚  (feminine noun)sanatorium  Ã‚  Ã‚  (masculine noun)sanctification  Ã‚  Ã‚  (feminine noun)sanction  Ã‚  Ã‚  (feminine noun)sandwich  Ã‚  Ã‚  (masculine noun)sardine  Ã‚  Ã‚  (feminine noun)satellite  Ã‚  Ã‚  (masculine noun)sat in  Ã‚  Ã‚  (masculine noun)satire  Ã‚  Ã‚  (feminine noun)satisfaction  Ã‚  Ã‚  (feminine noun)saturation  Ã‚  Ã‚  (feminine noun)sauna  Ã‚  Ã‚  (masculine noun)savant  Ã‚  Ã‚  (masculine noun)scalp  Ã‚  Ã‚  (masculine noun)scalpel  Ã‚  Ã‚  (masculine noun)science  Ã‚  Ã‚  (feminine noun)scooter  Ã‚  Ã‚  (masculine noun)scorpion  Ã‚  Ã‚  (feminine noun)scribe  Ã‚  Ã‚  (masculine noun)script  Ã‚  Ã‚  (masculine noun)sculpture  Ã‚  Ã‚  (feminine noun)sà ©ance  Ã‚  Ã‚  (feminine noun)secret  Ã‚  Ã‚  (adjective masculine noun)segment  Ã‚  Ã‚  (masculine noun)senior  Ã‚  Ã‚  (adjective masculine noun)sensation  Ã‚  Ã‚  (feminine noun)sentiment  Ã‚  Ã‚  (masculine noun)serf  Ã‚  Ã‚  (masculine noun)sermon  Ã‚  Ã‚  (masculine noun)serpent  Ã‚  Ã‚  (masculine noun)service  Ã‚  Ã‚  (masculine noun)servile  Ã‚  Ã‚  (adjective)servitude  Ã‚  Ã‚  (feminine noun)session#160;  Ã‚  (feminine noun)shrapnel  Ã‚  Ã‚  (masculine noun)signatur e  Ã‚  Ã‚  (feminine noun)silence  Ã‚  Ã‚  (masculine noun)silhouette  Ã‚  Ã‚  (feminine noun)silicone  Ã‚  Ã‚  (feminine noun)silo  Ã‚  Ã‚  (masculine noun)simple  Ã‚  Ã‚  (adjective)simplification  Ã‚  Ã‚  (feminine noun)simulation  Ã‚  Ã‚  (feminine noun)siphon  Ã‚  Ã‚  (masculine noun)site  Ã‚  Ã‚  (masculine noun)situation  Ã‚  Ã‚  (feminine noun)six  Ã‚  Ã‚  (adjective masculine noun)sketch  Ã‚  Ã‚  (masculine noun)ski  Ã‚  Ã‚  (masculine noun)skiff  Ã‚  Ã‚  (masculine noun)slalom  Ã‚  Ã‚  (masculine noun)slogan  Ã‚  Ã‚  (masculine noun)smog  Ã‚  Ã‚  (masculine noun)snob  Ã‚  Ã‚  (masculine / feminine noun)sobriquet  Ã‚  Ã‚  (masculine noun)sociable  Ã‚  Ã‚  (adjective)social  Ã‚  Ã‚  (adjective)sodium  Ã‚  Ã‚  (masculine noun)sofa  Ã‚  Ã‚  (masculine noun)solarium  Ã‚  Ã‚  (masculine noun)solidification  Ã‚  Ã‚  (feminine noun)solitude  Ã‚  Ã‚  (feminine noun)solo  Ã‚  Ã‚  (adjective masculine noun)solstice  Ã‚  Ã‚   (masculine noun)soluble  Ã‚  Ã‚  (adjective)solution  Ã‚  Ã‚  (feminine noun)somnolent  Ã‚  Ã‚  (adjective)sonar  Ã‚  Ã‚  (masculine noun)sonnet  Ã‚  Ã‚  (masculine noun)sophistication  Ã‚  Ã‚  (feminine noun)soprano  Ã‚  Ã‚  (masculine / feminine noun)sorbet  Ã‚  Ã‚  (masculine noun)SOS  Ã‚  Ã‚  (masculine noun)source  Ã‚  Ã‚  (feminine noun)spatial  Ã‚  Ã‚  (adjective)spectacle  Ã‚  Ã‚  (masculine noun)spectral  Ã‚  Ã‚  (adjective)sphinx  Ã‚  Ã‚  (masculine noun)spinal  Ã‚  Ã‚  (adjective)spiral  Ã‚  Ã‚  (adjective)sprint  Ã‚  Ã‚  (masculine noun)stable  Ã‚  Ã‚  (adjective)staccato  Ã‚  Ã‚  (adverb)stagnant  Ã‚  Ã‚  (adjective)stagnation  Ã‚  Ã‚  (feminine noun)stalactite  Ã‚  Ã‚  (feminine noun)stalagmite  Ã‚  Ã‚  (feminine noun)statue  Ã‚  Ã‚  (feminine noun)stature  Ã‚  Ã‚  (feminine noun)steak  Ã‚  Ã‚  (masculine noun)steppe  Ã‚  Ã‚  (feminine noun)sterling  Ã‚  Ã‚  (masculine noun)sternum  Ã‚  Ã‚  (masculine noun)stewa rd  Ã‚  Ã‚  (masculine noun)stimulant  Ã‚  Ã‚  (masculine noun)stimulation  Ã‚  Ã‚  (feminine noun)stimulus  Ã‚  Ã‚  (masculine noun)stipulation  Ã‚  Ã‚  (feminine noun)stop  Ã‚  Ã‚  (exclamation masculine noun)stress  Ã‚  Ã‚  (masculine noun)strict  Ã‚  Ã‚  (adjective)structural  Ã‚  Ã‚  (adjective)structure  Ã‚  Ã‚  (feminine noun)style  Ã‚  Ã‚  (masculine noun)suave  Ã‚  Ã‚  (adjective)subdivision  Ã‚  Ã‚  (feminine noun)sublime  Ã‚  Ã‚  (adjective masculine noun)subliminal  Ã‚  Ã‚  (adjective)submersion  Ã‚  Ã‚  (feminine noun)subordination  Ã‚  Ã‚  (feminine noun)substance  Ã‚  Ã‚  (feminine noun)substitution  Ã‚  Ã‚  (feminine noun)subterfuge  Ã‚  Ã‚  (masculine noun)subvention  Ã‚  Ã‚  (feminine noun)subversion  Ã‚  Ã‚  (feminine noun)succession  Ã‚  Ã‚  (feminine noun)succinct  Ã‚  Ã‚  (adjective)succulence  Ã‚  Ã‚  (feminine noun)succulent  Ã‚  Ã‚  (adjective)suffocation  Ã‚  Ã‚  (feminine noun)suffrage  Ã‚  Ã‚  (mas culine noun)suggestion  Ã‚  Ã‚  (feminine noun)suicide  Ã‚  Ã‚  (masculine noun)sulfate  Ã‚  Ã‚  (masculine noun)superstition  Ã‚  Ã‚  (feminine noun)supervision  Ã‚  Ã‚  (feminine noun)supplication  Ã‚  Ã‚  (feminine noun)supposition  Ã‚  Ã‚  (feminine noun)suppression  Ã‚  Ã‚  (feminine noun)surcharge  Ã‚  Ã‚  (feminine noun)surface  Ã‚  Ã‚  (feminine noun)surplus  Ã‚  Ã‚  (masculine noun)surprise  Ã‚  Ã‚  (feminine noun)susceptible  Ã‚  Ã‚  (adjective)suspect  Ã‚  Ã‚  (adjective masculine / feminine noun)suspense  Ã‚  Ã‚  (masculine noun)suspension  Ã‚  Ã‚  (feminine noun)suspicion  Ã‚  Ã‚  (feminine noun)suture  Ã‚  Ã‚  (feminine noun)svelte  Ã‚  Ã‚  (adjective)symposium  Ã‚  Ã‚  (masculine noun)synagogue  Ã‚  Ã‚  (feminine noun)syndrome  Ã‚  Ã‚  (masculine noun)synopsis  Ã‚  Ã‚  (feminine noun)

Saturday, October 19, 2019

Rhetoric of Batman Essay Example | Topics and Well Written Essays - 1750 words

Rhetoric of Batman - Essay Example acy and its success in apprehending and stopping the mad terror that has been rampant in Gotham — makes it clear that the politics of Batman continue to echo the dark side of politics in America. Batman has been one of the most interesting of the superhero comic since his inception since, as we’ve pointed out, he’s a hero without super powers. He’s a regular guy thrust into extraordinary situations — much like politicians, who are rarely faced with issues of clear right and wrong. Unlike other superheroes, Batman’s world is full of moral ambiguities. He must often make unpopular decisions to support policies and politicians with whom he doesn’t agree because it’s the right thing for the city. And unlike other superheroes, whose difference from mere mortals moves them to an uncontested ethical sphere where political leaders essentially play a secondary role, Batman is very much a player on Gotham’s political scene — and not just because his alter ego happens to be a billionaire capitalist. Ultimately, though, Batman’s socioeconomic status probably impacts his political stance, which has historically skewed heavily toward the conservative side of things. One of the most interesting things about The Dark Knight is that in it, Batman’s strong and stated desire is to get out of politics and be an ordinary billionaire. But he’s forced by his internal desire for justice to interfere in the affairs of Gotham City, even though he know that doing so is problematic — Batman’s existence and the fact that he’s successful at shutting down crime seems to bring out the crazy in the criminals of Gotham City. â€Å"As we looked through the comics, there was this fascinating idea that Batman’s presence in Gotham actually attracts criminals to Gotham, attracts lunacy,† said Christopher Nolan, the director of The Dark Knight. (Halbfinger) It is much the way Americans felt after the terrorist attacks of September 11, 2001, which left many people

Friday, October 18, 2019

Financial Market Assignment Example | Topics and Well Written Essays - 2500 words

Financial Market - Assignment Example The random walk behavior of macroeconomic aggregates can be produced by a wide variety of complicated behavior at the microeconomic level. If income follows a random walk process, any innovation in income or a change in income due to an economic shock is an unexpected change in permanent income affecting consumption growth. The predictive ability of unexpected permanent or actual growth in income is consistent with permanent income hypothesis (PIH). Within the framework of time-series modeling, it was suggested that the standard test is biased towards finding excess sensitivity when disposable income follows a random walk process. If income follows a random walk, the permanent income equals current income. Assuming that permanent income hypothesis is true and consumption equals income since series contains a unit root, the procedures of standardized testing are not valid. If both consumption and income are de-trended, spurious cycles would be exhibited by both series. Since consumption tracks income perfectly over these transitory cycles, it can be concluded that consumption is excessively sensitive to contemporaneous income. The excess sensitivity of consumption does not provide evidence against the permanent income hypothesis unless the income is shown as not to have properties of random walk. The random walk process is followed by the real disposable income. Actual real disposable income approximates real permanent disposable income which determines household consumption. The origins of random walk process of real disposable income are on the supply side including factors of capital market restrictions, changes in trade, capital accumulation, technological adaptation and innovation, climatic and weather change etc. These supply-side shocks have a long-term impact on income and consumption.

Choose one topic from the ten topics Essay Example | Topics and Well Written Essays - 2250 words

Choose one topic from the ten topics - Essay Example Neo-Confucianism The East Asian conception of human nature is primarily informed by Confucianism. Confucianism is described as a â€Å"humanistic religion† since Confucianism understands and perceives that the â€Å"Ultimate†, of the â€Å"imminent power, of the transcendent, of the world, life and death† are linked to and founded on exploring human nature together with human destiny (Yao, 2000, p. 46). In following Mencius, Neo-Confucian ideology adopted the notion that human nature is good as opposed to evil. However, Neo-Confucian philosophers modified this conception of human nature by distinguishing moral nature from physical nature (de Barry & Bloom, 1999). In this regard, the Neo-Confucian philosophy conceptualized the human moral nature as inherently good. This was because, the moral nature of mankind consisted of â€Å"li† and the physical nature of mankind consisted of â€Å"ch’i† indicating that physical nature could be good and/or bad (Lecture Notes). In this regard, the Confucian concept of li refers to that which is real. In terms of human nature, li refers to that which is passed onto man from Heaven and in this regard it is good. However, li had to be cultivated to ensure that man followed his moral nature (Yao, 2000). Therefore the concept of li provides the justification for law and order which is intended to cultivate man’s moral nature for maintaining order. The concept of ch’i provided even further justification for law and order in regulating the lives of the individual. Ch’i refers to material and vital forces which operate either in cohesion with li or inconsistently with li (Yao, 2000). In other words, man was naturally good, but physical forces could have a negative impact on man’s moral nature if the moral nature was no cultivated. Buddhists on the other hand, do not recognize that which they cannot â€Å"see, hear, speak, think, and move† and only those thin gs they can see, hear, think, speak, and move are regarded as nature (de Barry & Bloom, 1999, p. 714). From the Buddhist perspective, that which is heard, seen, spoken, though or moved, does not have to be clear in order to be qualified as nature. In this regard, nature may be confusing and this explains why Buddhists do not generally perceive â€Å"the many moral principles inherent in them† (de Barry & Bloom, 1999, p. 714). Classical Confucianism As for classical Confucianism, the original traditions of Confucianism were founded by Confucius and Mengzi and Mengzi’s theory of human nature served as the background for the classic Confucian concept of moral nature. Mengzi’s theory of human nature were among the most influential and provides the foundations for what is widely accepted as human nature. Mengzi’s theory of human nature provides a profound understanding of how law and order is maintained (de Barry & Bloom, 1999). Mengzi’s contributions w ere converted into the Four Books by Confucian scholars in the Song Dynasty. At the same time, Xunzi developed a theory that was different from Mengzi’s. According to Xunzi, â€Å"human nature was evil and Heaven† was an â€Å"impersonal power or natural principle† (Yao, 2000, p. 71). Xunzi stressed â€Å"law (fa) and ritual/propriety (li)† as opposed to â€Å"

Is the green house effect operating in Earth's atmosphere helpful or Essay

Is the green house effect operating in Earth's atmosphere helpful or harmful Give examples. What are the consequences of an enhanced greenhouse effect - Essay Example But excessive greenhouse effects, induced by human activities such as burning of fossil fuels, emission CFCs, etc are harmful for the atmosphere. Scientists note that during the past 200 years the average global has increased about .40C to .80C (in Fahrenheit Scale about .70 to 1.40). Experts also estimate that if this rate of increase in the temperature remains uninterrupted, the average temperature is supposed to rise up to 10.4 degrees F by 2100. The increase in the atmospheric temperature is mostly a response to a process called greenhouse effect that â€Å"is a natural phenomenon†¦.whereby certain gasses in the atmosphere keep the earth’s temperature significantly higher than it would otherwise be, making it suitable for life† (Dispensa & Brule 87). The gasses prevent the magnified heat radiation to return to the space and preserve it as heat in the environment. Climatologists suggest that global warming is caused mainly by human activities that contribute to the increase in the green-house gas in the atmosphere. Natural causes such as â€Å"sunspots and natural variation of temperature change by the evolution of earth† (Dispensa & Brule 87) may increase the temperature of earth. Though some natural causes are found responsible for the emission of greenhouse gasses, environment also has its own process to absorb them. But the emission of these gasses caused by human activities is so excessive that natural absorption process cannot consume all of the produced gasses. In this regard, Dispensa and Brule (2003) notes, â€Å"The IPCC†¦uses the term climate change to refer exclusively to change in the climate brought about by human activities.† (p.87) Studies show that the occurring of â€Å"killer heat-waves† (Houghton 188) is more frequent than ever. The August of 2003 was the hottest summer in the European continent in 500 years killing almost 27000 people. The rise in the global atmospheric temperature is

Thursday, October 17, 2019

Technology and the Teacher PowerPoint Presentation

Technology and the Teacher - PowerPoint Presentation Example With every new advancement in technological tools they tend to become even more interactive and attractive for their users. These tools are immensely effective in the classroom. It is expected that each of the tools would enhance the delivery of lecture on the instructor’s side and would enable ease of understanding on the side of the student. Acting as a helping hand for the teacher, these tools aide in delivering the concept with the help of embedded techniques within them that may practically be impossible for the teacher to deliver personally or merely with the use of hand. The speed and flexibility associated with computers enables the representation and comprehension of concepts via digital imaging. The student dragging and clicking the mouse and the digital response that the learning software generates invokes the understanding and responses of the students themselves. The ability to zoom in on images, rotation of figures and embedding of animated characteristic features like avatars etcetera enable imagination of the students to extend way beyond the written text and conventional methods of teaching. The ability of digital tools to scale real world objects into many forms is one of their major advantages. The manner in which digital classroom tools encompass a variety of information within themselves that practically has limitless boundaries enables the transmission of a large variety of information in much less time duration. The plan to manage technology tools like Prezi in the classroom is to use it in combination with the verbal lectures that are directly transmitted to the students. Prezi is designed to be a cloud based software application that enables the creation of presentations on a virtual canvas. As an example a lesson plan about teaching the concept behind â€Å"The Water Cycle† is attached at the following

Organic solar cells Literature review Example | Topics and Well Written Essays - 1250 words

Organic solar cells - Literature review Example The development of the photovoltaic cell is important for the future alternative energy production in the global community (Mihailetchi, 2005; Williams, 2010). Due to the importance of harvesting solar energy, the continuous development of solar cells is one of the most important developments in the conversion of solar energy. Dendrimer is a significant technology in light-harvesting due to the efficiency (Andrews et al., 2009). Organic solar cells are photovoltaic cells with organic make-up used due to different advantages for the light absorption process and transfer of energy. Initially, the photovoltaic cells are made with crystal silicon photovoltaic are used. Due to the fixed bandgap energy and high cost of production, new materials for solar cells had been developed. The organic solar cells are referred to as second generation photovoltaics which had different advantages such as lower manufacturing costs and higher power conversion efficiency (Williams, 2010, p.2). Organic solar cells are solar cell consisting of organic materials. A solar cell is a composed of one or more light-absorbing layers between two electrodes. One of the layers is for passage of light. The active layer can release free carriers upon the absorption of light which then gather at the electrodes. In the organic solar cells, the main difference is the material for the active layers. It is composed of thin films of organic semiconductors formed through solution-based polymeric materials or through thermal evaporation for small-molecule materials (William, 2010, p.3). Photovoltaic behaviour of organic solar cells is the main basis of the function and the advantage of the said type of thin film solar cells. Organic semiconductors, such as lowest unoccupied molecular orbital (LUMO) and highest occupied molecular orbital (HOMO), use plastic or glass substrates with

Wednesday, October 16, 2019

Is the green house effect operating in Earth's atmosphere helpful or Essay

Is the green house effect operating in Earth's atmosphere helpful or harmful Give examples. What are the consequences of an enhanced greenhouse effect - Essay Example But excessive greenhouse effects, induced by human activities such as burning of fossil fuels, emission CFCs, etc are harmful for the atmosphere. Scientists note that during the past 200 years the average global has increased about .40C to .80C (in Fahrenheit Scale about .70 to 1.40). Experts also estimate that if this rate of increase in the temperature remains uninterrupted, the average temperature is supposed to rise up to 10.4 degrees F by 2100. The increase in the atmospheric temperature is mostly a response to a process called greenhouse effect that â€Å"is a natural phenomenon†¦.whereby certain gasses in the atmosphere keep the earth’s temperature significantly higher than it would otherwise be, making it suitable for life† (Dispensa & Brule 87). The gasses prevent the magnified heat radiation to return to the space and preserve it as heat in the environment. Climatologists suggest that global warming is caused mainly by human activities that contribute to the increase in the green-house gas in the atmosphere. Natural causes such as â€Å"sunspots and natural variation of temperature change by the evolution of earth† (Dispensa & Brule 87) may increase the temperature of earth. Though some natural causes are found responsible for the emission of greenhouse gasses, environment also has its own process to absorb them. But the emission of these gasses caused by human activities is so excessive that natural absorption process cannot consume all of the produced gasses. In this regard, Dispensa and Brule (2003) notes, â€Å"The IPCC†¦uses the term climate change to refer exclusively to change in the climate brought about by human activities.† (p.87) Studies show that the occurring of â€Å"killer heat-waves† (Houghton 188) is more frequent than ever. The August of 2003 was the hottest summer in the European continent in 500 years killing almost 27000 people. The rise in the global atmospheric temperature is

Tuesday, October 15, 2019

Organic solar cells Literature review Example | Topics and Well Written Essays - 1250 words

Organic solar cells - Literature review Example The development of the photovoltaic cell is important for the future alternative energy production in the global community (Mihailetchi, 2005; Williams, 2010). Due to the importance of harvesting solar energy, the continuous development of solar cells is one of the most important developments in the conversion of solar energy. Dendrimer is a significant technology in light-harvesting due to the efficiency (Andrews et al., 2009). Organic solar cells are photovoltaic cells with organic make-up used due to different advantages for the light absorption process and transfer of energy. Initially, the photovoltaic cells are made with crystal silicon photovoltaic are used. Due to the fixed bandgap energy and high cost of production, new materials for solar cells had been developed. The organic solar cells are referred to as second generation photovoltaics which had different advantages such as lower manufacturing costs and higher power conversion efficiency (Williams, 2010, p.2). Organic solar cells are solar cell consisting of organic materials. A solar cell is a composed of one or more light-absorbing layers between two electrodes. One of the layers is for passage of light. The active layer can release free carriers upon the absorption of light which then gather at the electrodes. In the organic solar cells, the main difference is the material for the active layers. It is composed of thin films of organic semiconductors formed through solution-based polymeric materials or through thermal evaporation for small-molecule materials (William, 2010, p.3). Photovoltaic behaviour of organic solar cells is the main basis of the function and the advantage of the said type of thin film solar cells. Organic semiconductors, such as lowest unoccupied molecular orbital (LUMO) and highest occupied molecular orbital (HOMO), use plastic or glass substrates with

An Important Idea in on the Side Walk Bleeding Essay Example for Free

An Important Idea in on the Side Walk Bleeding Essay An Important Idea in on the Side Walk Bleeding and the Sniper An important idea in On the Sidewalk Bleeding by Even Hunter was that of the importance of having your own identity. Andy, the central character of this short story taught me a valuable lesson as to the significance of this. He also made me aware of the fact that we need to think things through thoroughly rather than making impulsive decisions. Andy was a sixteen year old boy who Wore a purple Jacket; the lettering on the back of the Jacket read The Royals, a name which he was proud to own. But not until he was stabbed did he realize the reality of taking on the identity of what you are not. Underneath the rough, tough appearance of the Jacket Andy was a normal boy, who wanted to live a normal life and achieve many things But now he was dying. Andy had made the fatal mistake of wearing the Jacket of a gang. He had thought that this would give him power and prestige, and did not realism until too late that his identity needed to come from himself, that he had to work hard, and be himself rather than simply follow a crowd in order to form it. This taught me that we an take on someone elses identity the easy way, but it is not so easy to lose, even when it is no longer wanted or needed. A valuable lesson I learnt from Andy was the importance of having your own identity and the necessity of thinking things through thoroughly before making decisions. When Andy became part of the gang he did not know that he was about to die, he did not know that it would rob him of his life and destroy his dreams, he did not know that a time would come when he would hate the title and its meaning, he did not know that he would die A Royal when he Just wanted to be Andy. From this I learned that Andy did not recognize the importance of having his own identity, until he understood that he would be Judged by the group he belonged to, rather than who he was himself. He was A Royal and proud of it. However, the time did come when he resented the title, he wanted to get rid of it but couldnt. This reminds us of our own actions that we have all taken on the spur of the moment while blinded by the glitter and glory of what may lie ahead, without taking the time to stop and think that it may be deeply regretted. We are simply attracted by someone elses power and think we can share it with no effort of our own. It teaches us that we need to spend time in thought, instead of making impromptus decisions, in order to avert these disastrous outcomes. The boy lay on the sidewalk bleeding to the world he wasnt Andy he was simply a boy. a royal how could he escape the title and Jacket that branded him with a stupid word, that to him now seemed meaningless? If he had not been wearing the Jacket he would not have been stabbed, the knife had not been plunged in hatred of Andy. The knife had only hated the purple Jacket; the Jacket was a stupid, meaningless thing that was robbing him of his fife and identity. It is clear that Andy understood too late; however, it has taught me that if we give up our identity to take on that of another group or body we may lose our own completely. It takes time and effort to find our own identity; teenage years in particular are a time for building identity, however, they are often too busy and too occupied to take this time and effort and therefore turn to a gang for the identity they also an important idea in The Sniper by L. Flattery. Unlike Andy in On the Sidewalk Bleeding the sniper has no name and is only referred to as The Sniper money who kills. This text taught me, that in war nobody has a face; nobody has an identity of their own. This story is about two snipers shooting at each other from opposite roof tops. A woman darted toward the side street. The sniper fired and she fell with a shriek into the gutter. A mans head and shoulders appeared, looking toward the sniper. The sniper raised his rifle and fired again, the head fell heavily on the turret wall. The short story ends ironically when the sniper realizes that he has killed his own brother The sniper turned over the dead body and looked into his rooters face. Only then when he saw his brothers face did he realism that his opponents were all individuals with identities of their own. A valuable lesson this taught me was that in war nobody has a face, everyone is Just shooting at the identity of the enemy, at the uniform of the opponent. The fact that none of the characters are named proves this yet again. A young republican, they are only identified by the side they ar e supporting. Because of this inability to see people as individuals they never realism that they may be killing friends and family. T also taught me that we deed to be prepared for the consequences of what may happen when we take sides of war and that we alone must be responsible for our actions. Both the short texts On the side Walk bleeding and The Sniper look at this idea of identity. However, while Andy finally recognizes the danger of not having his own identity and dies rejecting the gangs overriding one, we are left to assume the snipers ultimate understanding of the danger of losing your identity, that he will realism that he is in conflict with humans and will begin to wonder about the identities of all he has killed.