Monday, August 24, 2020

Video Games and Movies

Computer games and Movies Games can be considered as toys, yet toys don't generally include the standards and rules of game. From one viewpoint, there are slight contrasts between the idea of game and toy.Advertising We will compose a custom paper test on Video Games and Movies explicitly for you for just $16.05 $11/page Learn More On the other hand, they are especially featured as far as plan, opportunity of activity, and impediments forced either on game or computerized toy. In his article, Schiesel advances this message to talk about such renowned computerized toy as Mr. Wright’s innovation called Spore and contrast it and different games, in which rules and standards matter more than the genuine saint drew in into the procedure. Truth be told, the nearness of strategies, systems, and rules premium grown-ups more than youngsters in light of the fact that the previous is increasingly worried about the limitations in which their activities are introduced. Kids are progressively inspired by opportunity of activities that permit them to make second adjust sense of self in a computerized domain. As per Schiesel, â€Å"Spore gives clients exceptional opportunity to carry their minds to some similarity to computerized life† (n. p.). Consequently, the toy gives clients a wide scope of devices for uncovering their imagination. It can likewise be introduced in different limits since clients are allowed to pick the jobs and capacities they can perform. Not at all like toys, games are made to embed the toy in a particular setting, in which different headings and systems could be worked out. All the more critically, games are additionally entrancing for clients who accept that advancement is beyond the realm of imagination. At last, toys can't give individuals the elements that the game can present on the grounds that toys can't stick to a particular result. Despite the fact that computer games permit to clients to feel themselves legends who can have otherworldly powers and additio nal capacities, the saints introduced in the film is by all accounts progressively vigorous and sensible. This is of specific worry to the new James Bond †Daniel Craig, whose portrayal of 007 specialist is perceived as a clear and splendid exhibition. In the article, Scott centers around Quantum of Solace film and expect, â€Å"James Bond is an a lot livelier character than both of those mopey vide-game figures, yet he share with them the shocking capacity to oppose, undoubtedly, to overlook, Ms. Kurylenko’s physical charms† (n. p.).Advertising Looking for paper on interchanges media? How about we check whether we can support you! Get your first paper with 15% OFF Learn More rather than Pierce Brosnan’s portrayal off convoluted feelings, Mr. Craig is by all accounts increasingly certain about speaking to harsh dispositions went with insightful portrayal of his inward encounters. His compassion for another Bond’s young lady varies much from past trans lations of the picture. What's more, the environment of Quantum of Solace is generally impacted by Bond’s past encounters and challenges and, in this way, is film is not so much severe but rather more melodious. Truth be told, Scott’s center around enthusiastic constituent in the film is supported in light of the fact that â€Å"007’s despondency and anger, the wellspring of association with Camille, are powers more remarkable than either obligation or libido† (n. p.). Craig’s rendition of Bond is by all accounts genuinely and mentally more profound when contrasted with past rebirths of the specialist. Subsequently, the article precisely passes on the principle quirks, topics, and issues in the film, just as effectively traces the primary highlights of Craig’s saint. All the more significantly, such a translation clarifies the contrasts among Craig and other actors’ exhibitions and characterizes new bearings in the character improveme nt. At long last, Scott figures out how to characterize the sorts of connections among Bond and Camille that vary much from past associations. Schiesel, Seth. â€Å"Playing God, the Home Game†. The New York Times. 2008. Web. https://www.nytimes.com/2008/09/05/expressions/TV/05spor.html?pagewanted=all_r=0 Scott, O. A. â€Å"007 Is Back, and He’s Brooding†. The New York Times. 2008. Web. https://www.nytimes.com/2008/11/14/films/14quan.html

Saturday, August 22, 2020

Program Evaluation A Case Study

Presentation as of late, it is turning out to be progressively evident that projects or ventures scarcely get by without an assessment. A program assessment, in addition to other things, gives developmental criticism that inarguably helps to manage the program during the execution phase.Advertising We will compose a custom article test on Program Evaluation: A Case Study explicitly for you for just $16.05 $11/page Learn More Among the expectations, an assessment gives summative data that obviously exhibits the adequacy of the program towards accomplishing its expressed objectives and targets (Royse et al., 2010). All the more significantly, this data can be utilized to streamline the program’s results, effectiveness, and quality (Fink, 1995). Beneath, this paper delivers a few inquiries identifying with an assessment of Teacher Education Training (TEP). Assessment Questions According to Fink (1995), assessment questions are fundamentally presented essentially to judge the prog ram’s merits, that is, if objectives were met, benefits accomplished, and norms of accomplishment, among others. In that capacity, coming up next are the assessment questions: To what degree did the TEP accomplish its objectives and goals regarding improving your instructing strategies? Has the TEP affected you in any capacity as far as giving information to the understudies you educate? Have there been any adjustments in the manner you fathom the subject you educate in the wake of experiencing the TEP? As you would like to think, do you think the TEP is worth been duplicated in different educational plans of different colleges? Do you despite everything utilize the TEP procedures you learned? How has the TEP changed your general point of view in showing your subject? Guidelines According to Fink (1997), â€Å"setting the principles implies choosing the data expected to give persuading proof regarding a program†¦Ã¢â‚¬  The gauges that are settled on must be fitting, qu antifiable, and solid. For the situation model, coming up next are the guidelines: Testimonials from instructors who have experienced or are experiencing the TEP about patterns of progress Observations by the evaluators on showing techniques between those in the proposed educational program (TEP program) and past alumni Comparison of understudy accomplishment records, i.e., those educated by TEP students and those educated by past alumni Observation for potential contrasts in execution for educators on TEP as far as age, intrigue, and experience Design The assessment configuration is the structure or spine of any task assessment process since it doesn't just report results that can indisputably be connected to the mediation, yet it additionally provides guidance on how the subjects will be contrasted with record potential contrasts. The plan chose by the evaluators has sweeping repercussions on the undertaking ultimate results (Fink, 1995; Creswell, 2003). For the situation study, t he structure utilized is to contrast educators who have experienced TEP and past alumni as far as changes in showing strategies, information on subject instructed, and understudy execution. The measures utilized include: Testing and studying all subjects in the proposed multi year TEP and temporary job program Observing subjects on a yearly premise from passage into TEP until two years after graduation Data Collection Measures An information assortment measure is fundamentally a device or instrument that has been structured, tried, and approved for motivations behind gathering information from the field (Sekaran, 2006). For the situation model, the accompanying information assortment measures are used:Advertising Looking for article on instruction? How about we check whether we can support you! Get your first paper with 15% OFF Learn More Achievement Tests Observations Survey Questionnaires Published Literature Additional data To effectively finish the assessment, you have to realiz e how to investigate the information got from the members. Here, the techniques for investigation are subject to parts of the assessment things, how the factors are resolved, and issues of unwavering quality and legitimacy, among others. For the situation study, all the factors †all out, ordinal, and numerical †must be utilized. At long last you additionally need to realize how to impartially report the outcomes that must include: Purpose of assessment How assessment was done (strategies) Results Implications The assessment reports can either be orally perused or in composed structure. For the situation study, a composed report will be prepared in a half year Reference List Creswell, J.W. (2003). Research Design: Quantitative, Qualitative, and Mixed Approaches. Thousand Oaks, CA: Sage Publications, Inc Fink, A. (1995). Assessment for Education and Psychology. Thousand Oaks, CA: Sage Publications, Inc Royse, D., Thyer, B.A., Padgett, D.K. (2010). Program Evaluation: An Intr oduction. Belmont, CA: Wadsworth Sekaran, U. (2006). Research Methods for Business: A Skill Building Approach, fourth Ed. Wiley-India This paper on Program Evaluation: A Case Study was composed and put together by client Jane Roth to help you with your own examinations. You are allowed to utilize it for research and reference purposes so as to compose your own paper; in any case, you should refer to it as needs be. You can give your paper here.

Saturday, July 25, 2020

The Shockingly Simple Change That Can Improve All of Your Relationships

The Shockingly Simple Change That Can Improve All of Your Relationships I was having a cup of coffee at the café a few blocks from my apartment when I noticed something that has become shockingly common nowadays. Seated a few tables from me was a young couple who seemed like they were out on a coffee date.Everything looked okay, but there was one problem. Both the guy and the lady were on their phones. They were not talking to each other. They were not even paying the slightest attention to each other.Each of them was deeply engrossed in their smartphones and the limitless world their smartphones gave them access to.The scenario with the couple at the café is not a solitary case. It has almost become a natural part of the modern world. Next time you are out in public, try looking around and you will see it everywhere.In cafés and restaurants, on buses and trains, in the park, at home, and anywhere else you look, you will find people paying more attention to their phones than to their surroundings and the other people around them.The smartphone has bec ome the most ubiquitous piece of technology in the modern world. It has also brought so much positive changes to our lives. Smartphones have put the whole world at our fingertips.They give us access to unlimited information. We can communicate, shop, send money, plan our schedules, take photos and videos, budget, and do a ton of other things through our smartphones. Despite all these benefits, smartphones also have their drawbacks. We have become addicted to our smartphones.According to this survey, almost half of Americans admit they cannot spend an entire day without access to their smartphones. Even as I was writing this article, I found my hand twitching towards my smartphone a number of times. This addiction to smartphones is having negative effects on several aspects of our lives, including our relationships.Smartphones were invented as a way of making it easier for people to communicate and keep in touch. Unfortunately, while they succeeded in making it easy for us to communi cate, they have reduced our ability to connect with each other on an emotional level.People have become obsessed with texting and social media as the main means of communication, which has in turn made communication a lot less personal. People are opting for text communication over face to face communication.Smartphones have also placed a lot of demand on our time and attention, which has in turn reduced the amount of time and attention we give to our relationships.Like the couple from the café, we spend more time on our phones than we do connecting with others, which is negatively affecting our relationships with others.YOU GIVE LESS ATTENTION TO OTHERSHave you ever been talking to someone, only to realize that they are only listening to you half-heartedly and giving you unconvincing nods while all their attention is directed at their phones? How did it make you feel?Using your phone during a conversation takes your attention from the conversation.You become less engaged in the co nversation, and the other person can actually tell that you are not listening to them. It shows that you don’t give much importance to the conversation.On the other hand, by keeping your phone away during conversations, you are better able to concentrate on the conversation, engage with the other person and properly listen to what they are saying.The person you are conversing with will notice your energy and they will return the same energy to you and the conversation will become more interesting. According to a paper published in the Journal of Applied Social Psychology, people feel more negative towards a simulated conversation when they imagine that the other person is paying more attention to their smartphone.Another study published in Computers in Human Behavior found that conversations were less satisfying when one or all of the people in the conversation were texting during the conversation.YOU MISS THE OPPORTUNITY TO CONNECT ON A DEEPER LEVELToday, a lot of people prefer c ommunicating via text messages and social media compared to face to face or voice communication. A teenager today might opt to use Facebook to get in touch with his crush, when they actually go to the same school and see each other every day.People in their twenties and thirties are foregoing approaching people they like in real life and opting to use apps such as Tinder and OkCupid to find dates. This preoccupation with electronic communication is robbing us of the opportunity to connect with each other on a deeper and emotional level.Interaction between people is not limited to the words we say to each other. When interacting with other people face to face, we watch things such as their posture, their gestures, their facial expressions, their voice and intonation, and so on.These non-verbal cues tell us more than the person is saying with their words and give us a deeper and more emotional understanding of what the other person is saying. Gestures such as hugs, a pat on the back, a stroke on the arm, or simply holding hands allow us to feel closer to others.When we share a touch with others, our brains release a chemical known as oxytocin, which creates an emotional connection between us.When we rely solely on text communication, there is no way for us to communicate non-verbally. Communication becomes superficial since it has been reduced to words on a screen.The result is that there is less intimacy and emotional connection in our interactions, leading to weaker relationships.LEADS TO FEELINGS OF JEALOUSY AND NEGLECT IN ROMANTIC RELATIONSHIPSSmartphones are responsible for a lot of broken romantic relationships.According to a survey by psychologists from two US universities, 75% of women feel that smartphones are ruining their relationships. When you spend more time engaging with your phone than you do with your partner, it can make your partner feel like a third wheeler in the relationship.It appears like your phone is more important than your partner, le aving him or her feeling unappreciated and neglected.In some cases, your partner might even feel jealous and assume that you are cheating on them, since you give more attention to other people (those accessible through your phone) than you do to him or her. This can take a toll on the intimacy between the two of you and can even end up breaking the relationship.IT AFFECTS YOUR MOODYour smartphone can also negatively affect your mood and in extension your ability to relate with the people around you. Social media is one of the top activities that people engage in on their smartphones.At the same time, social media use has been shown to contribute to stress and depression, according to a study published in in the Clinical Psychological Science.Social media makes it easy for you to compare yourself to others, which can ruin your mood. For instance, seeing photos of your ex’s wedding can ruin your mood when you are having a night out with friends, making it more difficult for you to e njoy the night.Sometimes, spending a lot of time on social media can act as a replacement for social contact, which makes it more difficult for you to be comfortable in social situations in real life.This can lead to isolation which reinforces your use of social media which in turn makes you more comfortable in social situations, creating a vicious cycle that undermines your ability to connect and interact with other people in real life.HOW TO DITCH YOUR PHONE AND IMPROVE ALL OF YOUR RELATIONSHIPSIt is clear that your smartphone is doing harm to your relationships in more ways than one. One shockingly simple thing you can do to improve all your relationships, therefore, is to ditch your phone.Keep it tucked away and you will definitely see and improvement in all your relationships with others â€" your parents, your friends, your colleagues, and your romantic partners.Unfortunately, keeping away your smartphone is not that easy. We are constantly reaching for it to check for notifica tions. Sometimes, reaching for your pocket and not feeling your phone almost triggers a mini heart attack.So, how do you keep it away to ensure that it does not affect your relationships? Below are some smartphone rules you should follow to prevent the gadget from getting in the way of your relationships.Avoid Using Your Phone In Social SituationsIgnoring other people in favor of paying attention to your phone has become so common that there is even a name for it â€" “phubbing”.This term was introduced as an attempt to push back against the social consequences of people paying more attention to their phones than to the people around them. Using your phone during a social situation does not just affect the people around you. It also affects you.According to this study, people who are constantly on their phones during a dinner date with friends are more likely to get bored and enjoy the dinner less compared to those who keep their phones away.Despite this, people still use their p hones during social interactions. According to this study, 89% of smartphone users were on their phone at least once during their most recent social interaction.If you want to keep the interaction interesting and enjoyable both for yourself and for those around you, you should avoid using your phone in social situations.When you find yourself in a situation where you will be interacting with others â€" having dinner with family, sitting for some drinks with friends, chatting with colleagues at work, on a romantic date, and anywhere else â€" you should avoid using your phone.Talk Now, Text LaterOne of the advantages of smartphones is that they made everything available instantaneously and on-demand. That friend who is in a different country? You can reach him instantly through a WhatsApp message.Seen something funny?You can share it with the world instantly.They basically allow us to be connected to the world from anywhere, at any time. On the flip side, this also means that people h ave access to us anytime, regardless of where we are, through texts, emails, tweets and so on.Your boss can send a work email when you are on a romantic date with your spouse and distract you from the moment. The key to making sure that the texts and emails don’t distract you is to remind yourself that you can always reply to them later.Focus on enjoying the current moment with the people who are physically present. Give them your complete attention. People won’t die because you replied to their text or email an hour later.But wait, what if there is an emergency? If it was an emergency, don’t you think the person would have called instead of sending an email or a text?Keep Your Phone Out Of Sight During Important ConversationsSometimes, avoiding using your phone during a conversation is not enough. You should keep it completely out of sight. Having your phone where you can see it can be highly distracting, making it difficult for you to give your undivided attention.Seeing you r phone stirs thoughts about the things that might be happening in the world accessible through your phone. You might remember the photo you posted on Instagram. How many likes has it gotten so far?How about the witty tweet you sent an hour ago? How have people reacted to it? These thoughts end up taking your mind away from the interaction.All this is not mere speculation.According to this study, the mere presence of a phone affects the quality of a conversation, even if no one is using the phone. It makes the relationship between the people in the conversation less empathetic and trustworthy.Therefore, the next time you need to have an important conversation with someone, remember to keep your phone out of sight.Experience Before UploadingThe age-old religious ritual of saying grace before a meal has been replaced by a new ritual â€" taking photos of the meal.How many times have you seen millennials taking photos of their meal and posting them on Instagram before they start enjoyin g the meal?How many times have you seen people go to a soccer game or a music concert and spend the whole time viewing the action through the screens of their phones?Our preoccupation with smartphones and social media has made it much more difficult for us to enjoy experiences. Before having a meal, people want to show others on social media what they are having. If their social media followers don’t like the meal, you can bet that the meal won’t be enjoyable.People go out on vacations with their significant others, but instead of enjoying the moment, they are only concerned with getting the right photo for social media.How would it make you feel if you took someone for dinner, but they end up not enjoying it because someone on social media didn’t like what they ordered? Would you be interested in taking them out again?If you want to improve the quality of your relationships, you should be more focused on enjoying the moment and the experience and less focused on sharing the e xperience with others.Before sharing the meal with your followers, take the time to enjoy the meal and the company of whoever you are sharing the meal with. Before taking a photo and uploading it to show your followers the awesome scenery, take a moment to enjoy the scenery with whoever is right there with you.Avoid Searching For Everything On Your PhoneIn today’s world of search engines, Google maps and review websites, all the information we need is available with a few clicks.This has made people more dependent on their smartphones than on other people, which has in turn led to decreased social interactions and connections.According to this study, people with a smartphone were more likely to depend on the phone for directions rather than asking others for help.The fact that all the information you need is available through your phone does not mean that you have to rely on your phone every time. Instead of checking review websites to find the best restaurant for a romantic date, ask your friend or colleague to recommend a nice hotel.Instead of checking online to find the best attractions in a city you are planning to visit, ask the friend who visited the city last year for recommendations.By turning to people for help instead of always searching for everything on your phone, you will increase the frequency of your interactions with people and see an improvement in the quality of your relationships with them.Keep Your Phone Away From Your BedroomThe addiction to our phones means that we always have them near us, including when we go to bed. According to a poll by Gallup, 63% of Americans sleep with their phones tucked beneath their pillows or within an arm’s reach from bed.This might seem like a great convenience, since the phone acts as an alarm for some, and also allows you to check your social media for a last time before you sleep or catch up on your mail when you wake up in the morning.Unbeknownst to you, your phone might also be the culprit for the dying romance between you and your partner. If you spend most of your time in bed fiddling with your phone, you will naturally spend less time fiddling with your partner.According to a survey by Harris Interactive, 20% of young adults between the ages of 18 â€" 34 use their phones during sex. How do you even do that?Carrying your phone to bed is not a great idea. Even if you don’t end up using it while getting intimate with your partner, it reduces the chances of seeing any action. If this becomes a habit, it can negatively affect the quality of your relationship.Therefore, if you want to see an improvement in your relationship with your partner, you should consider making your bedroom a phone-free zone.This way, you will have more time to talk and bond with your partner.Have Phone Free DaysThis course of action might seem a bit extreme, and to many, it might be quite challenging. Whenever you receive a notification that someone has liked your status, retweeted you post or replied to your message, your brain releases the chemical dopamine, causing you to feel a sense of pleasure.This chemical reaction is what causes the addiction to your smartphone.When you keep glancing at your smartphone to check for notifications, your brain is essentially craving for a dose of dopamine. This is what makes keeping your phone away so difficult. While it might be challenging, having phone free days can help you break your addiction to your phone.Leave your phone at home for a day and spend the day interacting with people face to face or through your office telephone.Doing this will help you enhance the connection with your friends and colleagues (they will appreciate that you went to talk to them face to face) while at the same time helping you break your smartphone addiction.WRAPPING UPIf you are addicted to your smartphone, it might be negatively affecting your relationships, even though you might not have noticed it.Spending excessive time on your smartphone causes you t o give less attention to people around you, denies you the opportunity to connect with others on a deeper level, leads to feelings of jealousy and neglect in romantic relationships and affects your moods, which in turn affects how you relate to those around you.The key to improving your relationships, therefore, is to ditch your phone.You can do this by adhering to the smartphone rules shared above, such as not using your phone in social situations, replying to texts and emails later, keeping your phone out of sight during important conversations, taking the time to enjoy the moment before sharing with your social media followers, asking others for help instead of searching for everything on your phone, keeping your phone away from your bedroom, or even opting to have some phone-free days.

Friday, May 22, 2020

How to Write a Paper on Global Warming

How to Write a Paper on Global Warming Writing a paper on global warming can be rather tricky task, as a lot of specific information is needed and certain peculiarities exist. We propose to your consideration an exemplary paper on this topic so as you can analyze it and write your own one on its basis. Nature and climate are in the constant evolution and change. In the majority of cases this transformation process is significantly slower, than the life expectancy of the generation. Therefore, we cannot evidence and observe how nature around us is evolving, unless we specifically address related literature and tools that help us to do so. It used to be this way till very recent past, but, more and more during the last decade we hear about the phenomena of global warming and its effects on our life. A lot of literature and TV programs introduce us in the latest changes in global climate and nature transformation, such as melting ice of the South and North Poles, average sea water level increase globally, etc. All these events are the causes for extinction of the various species and significant change in the geographical layout of particular areas. Temperature records are becoming common in different places of the world: Brazil is suffering from extreme winter, Russia is diving in high summer temperature and droughts, while Europe is drawing in everlasting rains. All these changes happened during five to ten years. For the first time in our planet’s history the humanity can evidence rapid changes that can be seen and experienced by one generation in full. What are the consequences of the global warming and what should we expect in the nearest future? We are not in control of the nature, but we undoubtedly one of the strongest elements of nature cycle, as each and every human activity has it reflection in the nature. It is high time time to re-evaluate and re-analyse the role of the humans in today’s environment and start turning our destructive activities into constructive cooperation.

Friday, May 8, 2020

Ethics And Morals Of Pi - 1181 Words

Mace 1 Megan Mace G. Cameron ENG 4U December 19, 2016 Ethics and Morals in Life of Pi Everybody; no matter your religion, skin colour, or gender possess a combination of morals based on the things internally believed are right or wrong. These can be established through many influences including, social constructs, personal experiences, and upbringing. Yann Martel is constantly challenging the reader’s morals throughout Life of Pi, after Pi is on the lifeboat, he has to make the extremely hard decision between his own religious morals, and survival. In all of Pi’s dilemmas, survival always outweighs the â€Å"needs† of mankind s culture, making these constructs no longer a priority. Utilitarianism, consequential versus categorical moral†¦show more content†¦You want a flat story. An immobile story. You want dry, yeastless factuality.† (Martel 336) Pi sees that the needs of a majority take precedence over the things that he went through --which could be reasonably contended-- so Pi tells them the story everyone would believe in the m eans to benefit society. Over many of years, the concept of utilitarianism has changed, people would once describe it as pain and pleasure. Now society begins to further the approach, thinking about the intensity and duration of pain and pleasure. To this day there are seven principles that should be considered while thinking about what true pain and pleasure are. Some including, intensity, duration, and propinquity or remoteness. Intensity, being one of the most important of all, can determine whether or not it is pain or pleasure, revealing a high degree of emotional excitement. The length of time something continues or exists, is known a duration. Propinquity or remoteness is the thinking of how close something is either in a time or location sense, as in when or where it is about to happen. These are all great morals to have, when it’s thought of in a utilitarian sense, it should be applied to a majority for it’s still the idea of equality. Mace 3 The basis of utilitarianism is consequentialist moral reasoning, which locates morality from the consequences of the act. Once again to base morality off the idea of making aShow MoreRelatedThe Theory Of Moral Behavior1615 Words   |  7 Pagesmarvellous phenomena rather than invent them. The discoveries may require neutrality in our thinking, but the proofs need prior knowledge, because each formula is built from an aggregate of different unique formulas. In the same way, in ethics, the study of moral behaviour, we are required to use emotions and reasoning as a way of making judgements. 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The book â€Å"life of pi† demonstrates that having an understanding and faith in more than one religion can help us survive in the most difficult circumstances and can keep ones spirits alive. In life of pi the three types of religion (Hinduism, Christianity, and Islam)

Wednesday, May 6, 2020

The Future Of Fuel Cell Technology Engineering Essay Free Essays

In our current universe of planetary heating, clime alteration, fuel insecurity, and high energy demand and ingestion from developing states, it is perfectly necessary we started looking into how to bring forth the power of the hereafter. Through research, development, and promotion of engineering, several beginnings of alternate, clean renewable energy have been identified. One of the alternate beginnings of energy for the hereafter is â€Å" The Fuel Cell Technology † . We will write a custom essay sample on The Future Of Fuel Cell Technology Engineering Essay or any similar topic only for you Order Now This engineering ( fuel cell engineering ) has the possible to be the drift which will transform the manner in which industries of today will bring forth energy of tomorrow. Fuel Cell can merely be describe as a power bring forthing system made up of electrochemical cell that converts the chemical energy of H into electrical energy. The electrical energy is generated from the reaction between H ( which is the fuel ) an O ( which is the oxidizer ) . The history of fuel cells history can be dated back to 1939 when William Grove, a British scientist foremost discovered its rule. He demonstrated this by utilizing four big cells ( each incorporating H and O ) to bring forth electric power which was so used to divide the H2O ( in a smaller upper cell ) into H and O. The National Aeronautics and Space Administration ( NASA ) subsequently demonstrated their possible applications in supplying power during infinite flights. Since so, industry has been looking at the commercial viability of fuel cells engineering to bring forth energy in assorted applications in such a manner that it can vie with other sources/types of energy coevals. Fuel Cells Types There are several types of fuel cells being developed. The chief difference between fuel cells types is their electrolyte. The chief fuel cells types are listed below: Proton Exchange Membrane Fuel Cells ( PEMFC ) : This is besides called the Polymer Electrolyte Membrane Fuel Cell. It is the most favorable fuel cell engineering that offer alternate to the internal burning engine. The PEMFC uses a thin plastic membrane as its electrolyte. The reaction gases ( H and O ) are fed into the cell to respond with the anode and the cathode. The fuel H continuously flows to the anode. At the anode, H ions ( or protons ) and negatrons are produce from the H. Merely positively charged H ions pass through the membrane. The negatively charged negatrons flow to the electrical socket to bring forth electrical power. Oxygen continuously flow to the cathode. At the cathode the O combines with H ions and the negatrons to organize H2O which flows out of the cell. 2HA? a 4Ha + 4ea? » Equation for the reaction of the anode Oa‚‚ + 4Ha + 4ea? » a 2Ha‚‚O Equation for the reaction at the cathode 2Ha‚‚ + Oa‚‚ a 2Ha‚‚O Overall Equation Figure 1: How PEMFC works ( Beginning: hypertext transfer protocol: //altenergystation.com/fuel-cells.html ) The PEMFC has many advantages over all other types of fuel cell ; The PEMFC has a high power denseness and a low operating temperature ( of about 60-80 grades Celsius ) compared with other types of fuel cell. Its low operating temperature makes the fuel cell to warm up and get down bring forthing electricity within a short period of clip. Besides, the electrolyte is a solid stuff which makes it simpler to fabricate. The solid electrolyte of PEMFC makes it easier to orientate compared with other electrolytes. It is besides less caustic and has longer cell life and stack life. Other advantages of PEMFC are: It merely requires H and O as reactant. The by merchandise is H2O. It can be used as an option to internal burning engine. Although PEMFC has many benefits, it does hold some disadvantages excessively. The operating temperature is low ( about 80A °C ) ; which is non high plenty to execute utile cogeneration. It is an expensive signifier of electricity coevals. It cost about ?2500 – ?5000 per kilowatt. The control of wet in the cathode and anode watercourse is of import as the electrolyte is required to be saturated with H2O to run optimally. Direct Methanol Fuel Cells ( DMFC ) These types of fuel cells are comparable to the PEMFC except that methyl alcohol is used as fuel alternatively of H. It works by oxidising of the liquid methyl alcohol ( CHa‚?OH ) in the presence of H2O at the anode. The DMFC uses the same type of electrolyte as the PEMFC, but with thicker membranes. The chemical equation ( reaction ) of the DMFC is as follow ; At the anode: CHa‚?OH + Ha‚‚O a COa‚‚ +6Ha + 6ea? » At the cathode: 3/2Oa‚‚ + 6Ha + 6ea? » a 3Ha‚‚O Overall Equation: CHa‚?OH + 3/2Oa‚‚ a COa‚‚+ 2Ha‚‚O DMFC engineering is really applicable for portable power devices like laptops, 2-way wirelesss, cell phones, PDA etc. This is due to the high energy denseness of the methyl alcohol fuel. The current DMFCs can bring forth power denseness between 300-1000mWcmA? compared to PEMFC power denseness of 300-1000mWcmA? . DMFC can run between 50A °C and 120A °C with an efficiency of approximately 40 % . The DMFC offers a batch of benefits compared with PEMFC ; nevertheless its development is still in its early phases. Some of its advantages are ; It uses a liquid ( methyl alcohol ) fuel for power. Methanol can incorporate efficaciously with transmittal and distribution systems that are already in being. It does non necessitate a complicated fuel storage system, as suppose to hydrogen fuel storage for PEMFC. It is simpler in its design, and has the possible for low-volume, lightweight packaging. Methanol is easier to transport and provide in commercial measures utilizing current gasolene substructure. The chief disadvantage nevertheless, is that the low oxidation of methyl alcohol to hydrogen ions and COa‚‚ requires a more active accelerator. The fuel stack requires big measures of Pt compared with the PEMFC. Due to the big measures of Pt requires, the DMFC are more expensive. Other disadvantages are ; methanol is extremely caustic and toxic, DMFC have low efficiency compared to PEMFC due to the high pervasion of methyl alcohol through the membrane. Alkaline Fuel Cells ( AFC ) AFC were one of the first type of fuel cell engineerings developed and used in the United States infinite plan to bring forth electricity. AFC operates by utilizing a solution of K hydrated oxide ( KOH ) in H2O as the electrolyte. It can utilize a broad scope of assorted non-precious metals as a accelerator at the anode and the cathode. AFC operates at temperature between 100A °C and 250A °C, nevertheless, most recent design of AFC operate at lower temperature of approximately 23A °C to 70A °C. AFC have been proved to hold efficiency of stopping point to 60 % . Advantages of AFC are ; The costs of AFC are lowered compared to other signifiers of fuel cell engineerings because Alkaline engineering can work absolutely good without the usage of cherished metals. The AFC operates at a low temperature of about 70A °C. This lower its costs because the lower the operating temperature, the lower the cost of the stuffs needed to make a working and dependable system. AFC has the highest efficiency of all fuel cell type ( about 60 % ) . AFC nevertheless is susceptible to taint, hence requires pure H and O. Susceptibility of AFCs to taint besides affects the cell ‘s life-time, therefore extra cost. Phosphoric Acid Fuel Cells ( PAFC ) The PAFC is one of the modern fuel cell and the first to be used commercially. PAFC can bring forth up to 200 kilowatt of power and is chiefly used to power stationary power coevals and besides to power big vehicles like coachs. The PAFC uses liquid phosphorous acid as an electrolyte. The phosphorous acid is contained in a Teflon-bonded Si carbide matrix and porous C electrodes incorporating a Pt accelerator. The chief feature of PAFC is the impregnation of the phosphorous acid aqueous solution as the electrolyte in the matrix. The efficiency of PAFC is approximately 40 % but can be increased to over 70 % with combined heat and power. One of the chief advantages of PAFC is that they are more receptive to drosss in fossil fuels that have been reformed into H than PEMFC, which are easy poisoned by C monoxide. PAFC are besides more efficient when used for the cogeneration of electricity and heat ( about 85 % ) . Other benefit of PAFC is its first-class dependability and long-run public presentation. The disadvantage nevertheless is that it takes longer to warm up because it operates at a higher temperature ( between 150A °C and 200A °C ) , therefore doing it unsuitable for usage in autos. It besides requires Pt as a accelerator like most other types of fuel cells, but provides low power and current. Another deficit of PAFC is its size and volume in relation to their end product compared with other types of fuel cell. Molten Carbonate Fuel Cells ( MCFC ) Solid Oxide Fuel Cells ( SOFC ) Hydrogen Electrolysis PEM Fuel Cell and Electrolyser Operating Principles Table Fuel Cell Development in Future: An Independent Opinion Experiment: How to Better Output and Efficiency ofaˆÂ ¦ Consequence: Calculation of Improved Efficiency/Performance Decision Glossary Appendixs How to cite The Future Of Fuel Cell Technology Engineering Essay, Essay examples

Tuesday, April 28, 2020

Romeo And Juliet Essays (946 words) - Characters In Romeo And Juliet

Romeo And Juliet Romeo and Juliet, said to be one of the most famous love stories of all times, is a play anchored on time and fate. Some actions are believed to occur by chance or by destiny. The timing of each action influences the outcome of the play. While some events are of less significance, some are crucial to the development of this tragedy. The substantial events that inspire the conclusion of Romeo and Juliet are; the Capulet ball, the quarrel experienced by Tybalt and Romeo, and Friar Johns plague. A servant to Capulet, who is incapable of reading the list of guests, asks for Romeos assistance. Romeo notices that Rosaline, his lover, is among these names. Benvolio challenges Romeo to compare her with other beauties. Benvolio predicts, Compare her face with some that I shall show,/ And I will make thee think thy swan a crow. (I, ii, l 86-87) To show his appreciation, the servant asks for Romeos presence at the ball. Romeo should have considered the servants warning; if Romeo occupies the name of Montague, he shall not be permitted. Once at the ball, Romeo is searching for a maiden to substitute the unrequited love of Rosaline. Romeo happens to gaze upon Juliet, who charms Romeo. Romeo proclaims, Did my heart love till now? Forswear it, sight!/ For neer saw true beauty till this night. (I, v, l 52-53) Since Romeo declares his love for Juliet, she feels the attraction also. They believe that they are in love and must marry. However, it is a genuine coincidence that Romeo and Juliet were at the same place, at the same time. Some days after the ball, Benvolio and Mercutio are conversing, in regard to the quarrelsome weather. Benvolio declares, The day is hot, the Capulets abroad,/ And if we meet we shall not scape a brawl,/ For now these got days is the mad blood stirring. (III, i, l 2-4) At this point, Tybalt, who has challenged Romeo because of his appearance at the masquerade, enters, seeking Romeo. On Romeos behalf, Mercutio struggles with Tybalt, while Romeo, who is filled with love for his new cousin, tries to end their boldness. Before escaping, Tybalt plunges his sword into Mercutio, causing death to fall upon him. Mercutio blames Romeo and the feud for his fate. Romeo kills Tybalt, who taunts Romeo, upon his return. Romeo fears he will be condemned to death if he does not flee before the arrival of the Prince. Benvolio recalls the events that have happened, with some embellishment. The Prince declares: And for that offence/ Immediately we do exile him hence./ I hav an in your hates proceeding,/ My blood for your rude brawls doth lie a-bleeding;/ But Ill amerce you with so strong a fine/ That you shall repent the loss of mine./ I will be deaf to pleading and excuses;/ Nor tears nor prayers shall purchase out abuses;/ Therefore use none. Let Romeo hence in haste,/ Else, when hes found, that hour is his last./ Bear hence this body and attend our will./ Mercy but murders, pardoning those that kill. (III, i, l 185-195) Due to the disturbance of Veronas street and the losses of Tybalt and Mercutio, the Prince must penalize Romeo. However, the Prince agrees that Romeo was acting in self defense. Juliet, who desires not to wed Paris, asks for Friar Laurences assistance. The day before the wedding, Juliet is to drink the poison, which will make her appear to be dead. In forty two hours she shall awake, with Romeo by her side. Romeo will then bring her to Mantua with him. In the meantime Friar Laurence will convey a message to Romeo in Mantua, telling him the plot. When she gains consciousness, Romeo and Friar Laurence will be there. Friar Laurence says, Shall Romeo by my letters know our drift,/ And hither shall he come; and he and I/ Will watch thy waking (IV, i, l 114-116) Following Juliets intake of the poison, Romeo is anticipating news from Verona. Balthasar, a servant to Romeo, tells Romeo that Juliet has passed on. Romeo, who is told there are no letters from the friar, seeks a way to accomplish his