Comparing international developments to New Zealands policies and Coursework

Comparing international developments to New Zealands policies and practices, in relation to disability and aging. Both groups are to be covered - Coursework Example They have emphasized the use of the term without any form of discriminatory tone or motive. Based on this argument, different scholars, governments and organizations have come up with varied definitions on disability. In china, for example, the term ‘disabled person’ is one who suffers from the abnormalities of loss of a certain organ or function, physiologically or physically, or in anatomical structure and has lost wholly or in part the ability to perform an activity in a way considered normal (Office of Leading Group of Poverty Alleviation in State Council, 2004). Moreover, the same provision defines a disabled person as one with visual, hearing, speech or physical disabilities, intellectual disabilities, psychiatric disabilities, multiple disabilities, and or other disabilities (National Bureau of Statistics, 2007). This definition is pegged on/ borrowed from that of the international community about the caring for people with various disabilities. Disabilities are inflicted o people through different ways depending on the prevailing circumstances under which people operate. These people, therefore, deserve respect and fair treatment on different aspects of the society just as the entire human folk is entitled to certain rights and privileges depending on their sincere contributions to the various developmental units in the society. People with disability are not able to perform certain tasks in a way deemed satisfactory to the society compared to those without any form of disability in them. In most cases, the disabled persons are disadvantaged on such grounds. The international community, therefore, found it necessary to enact laws in a bid to protect disabled persons from exploitation and manipulations by other members of the society. Each democratic nation today has elaborate laws governing the operations and movements of people with disability in

Research proposal Example | Topics and Well Written Essays - 1000 words - 1

Research Proposal Example Since the causes of failure are not unique to e-business, and there could be more than one, it is not possible to evaluate all the possible reasons within one study. E-business has been growing at a very fast pace that firms need to remain competitive and innovative. E-business suggests a customer-centric approach and the business offers are designed to cater to different consumer needs and preferences. This implies that marketing of products or services through e-business is critical. Since there is no human contact in e-business, the marketing function gains importance. E-business is taken up more by established companies, than by start-ups (Amit & Zott, 2000). The established businesses would tend to apply the same marketing techniques and practices that they use for offline business. However, online marketing differs from conventional marketing. Marketing strategy hence could be one of the reasons for failures of e-business. Internet exchanges are beneficial not just for the customers or end users but it helps businesses to exchange and grow together. Internet offers a platform to conduct e-business in different models. These models could vary from business-to-business (B2B), business-to-customer (B2C) and customer-to-customer (C2C) and offer advantages over the traditional way of transacting business (Amit & Zott, 2000). The traditional offline shopping environments atmospheric elements influence approach behaviors as they can influence positive emotions like pleasure and arousal (Demangeot & Broderick, 2006). Online shopping environments are much smaller theaters of experience and hence require technological skill. However, online shopping can be a very engrossing experience and is of equal importance to the shopper and the marketer. It helps the marketer to understand the customer moods, behaviors and attitudes. Internet is free competition gone mad (Starling, 2002) but branding works to some extent to fight competition. Consumers are too

History of the English Empire

History of the English Empire England Empire Colonies In 1883, the British historian J.R. Seeley surveyed his nations empire with bemusement: â€Å"We seem to have conquered and peopled half the world in a fit of absence of mind.† When you consider the various American empires before c.1815, would you argue that they were acquired and maintained absentmindedly? In his collection of lectures entitled The Expansion of England, J.R. Seeley exasperatingly stated that the creation and growth of the British empire had been met with â€Å"a fit of absence of mind.† Seeley detailed the worrying trend amongst his contemporaries that the American colonies had not yielded sufficient profit for Britain, while the loss of the British American colonies had been as inevitable as the ripening of fruit. This sentiment was inextricably linked to the fact that Britain had endowed its American colonies with liberty and representative government, while not obsessively exerting metropolitan authority; conducive factors to the American revolution. As Britain had lacked the explicit notion of conquest in determining her imperial project in North America, and was rather, and primarily, a commercial empire, the question as to whether the various imperial projects had been conducted in â€Å"absence of mind† is raised. The fact that the British, French, and Dutch American empires were commercial ventures conducted by private individuals and companies to settle and procure profit from America, highlights the somewhat ad hoc maintenance of empire. However, to suggest that the foundation and settlement of the various American empires was done in an exclusively non-purposeful manner across the five centuries in which the continent was discovered, settled, and economically exploited is problematic. The sheer duration of the American empires puts to question how the various empires would have spanned centuries if they had been acquired and maintained absentmindedly. Further, in assessing the conquest of South America by the Spanish, an empire intrinsically founded on the spirit of the conquistador and mineral exploitation, the suggestion of absent-minded imperialism is further put to question. In addition to the problem of synthesising the various imperial missions under the questionable label of inattentiveness, there also lies the inherent issue that Seeley did not consciously intend to accuse the various American empires of governing with an â€Å"absence of mind†. Thus, the issues raised by the duration and ideological differentiation of the American empires cloud any simple creation of a definitive conclusion as to how, and by whom, the empires were acquired and maintained. From the foundation of the first British colony at Jamestown in 1606 to the Declaration of Independence in 1776, the British American empire to which Seeley referred to had spanned one-hundred and seventy years. This colonial longevity implicitly puts to question the sign of an absent-minded empire. Although there was no singular, cohesive force which settled, economically-exploited, and governed the American empires, there was purpose to be found in all the imperial projects. The fact that there was not one, but several, interwoven missions with different intentions and outcomes obscures the purposeful nature of the imperial projects.However, the very inception of the American empires clearly displayed purpose.In the royal charters granted by Elizabeth I and Henry VII, explorers such as Sir Walter Raleigh were given prerogatives to locate and conquer suitable areas of the New World for English possession. The creation of colonies had a two-fold purpose; to emulate the economic success of Spainand create ting new areas of commerce and agricultural produce for England. Indeed, not only were royal charters granted by European monarchs to explorers seeking to claim and settle the Americas, but they were also granted to trading companies. This delegation of power showed pragmatic solutions to the acquisition of the virgin American markets. As the British, French, and Dutch states did not have enough capital to run the risk of acquiring new land, it was the purpose of companies such as the Plymouth and London groups to settle New England and the Chesapeake and to create agricultural produce and symbiotic trading agreements with the natives present there. Therefore, the control exuded by the private companies in the American empires should not suggest absent-mindedness on behalf of the mother countries, but rather, a practical measure to maximise profit and minimise investment in an untested and perhaps ruinous scheme. In describing the â€Å"absence of mind† of the British state, Seeley highlighted the issue of reluctant British imperialism and that this reluctance led to imperial disorganisation, which ultimately epitomised the absence of mind which he aimed to identify. However, this was not a direct attack on the commercial nature of the American colonies, but rather Seeley aimed to highlight a lack of a cohesive imperial identity which primarily referred to Britains Indian empire. Seeley states quite openly that â€Å"our acquisition of India was made blindly† while â€Å"when our first settlers went out to Virginia and New England We did intend to establish a new community†. Thus, by first allowing private investors to settle and acquire an economic base in America, followed by a direct application of metropolitan control when the colonies began to prosper, the British state had indeed acquired and maintained her commercial empire with purpose. The beneficial economic motives which led to the granting of a royal charter for Jamestown in 1606 resulted in the eventual if tortuous prosperity of the colony; identifying the commercial purpose of the British American empire. Even though it took several decades for Jamestown to prosper and be fully recognised by metropolitan authority in England may suggest a tenuous link for imperial purpose and direct control. But, by the seventeenth century, the British state had created the Navigation Act of 1660 which sought to consolidate previous economic regulations and ultimately, make trade more prosperous for England. By stating that no goods could be imported or exported into territories owned by Charles II, unless carried in English vessels, ensured the commercial hegemony of England in her American colonies. This coherent economic regulation, legislated just fifty-four years after the foundation of Jamestown, testifies to a purposeful maintenance of Britains commercial empire. Furthermore, the power of the British metropole, epitomised in the increased regulatory interference in the post-Seven Years War climate shows further purposeful maintenance of the American colonies. After Britain had curtailed French and Spanish power in North America, the British state aimed to apply the dictates of a centrally-based parliament, obsessed with the concept of sovereignty. This ideological shift primarily resulted from the altered power structure created in the aftermath of the Seven Years War. Due to a British sentiment that the colonies had defiantly dragged their feet during the course of the war combined with the fact that Britain defeated its imperial rivals in course becoming a hegemonic force in North America created a perceptible power shift. In creating a monopoly of power, the economic and political status of colonists and Indians worsened, culminating in Pontiacs rebellion and the subsequent grievances and retaliations of white settlers, such as the Paxton Boys, placing Britain in an unprecedented situation. In response to the increasing frontier disputes, growing prejudices between settlers and Native Americans, and the changed power-structure present after the Seven Years War, the metropolitan became increasingly authoritative in colonial legislation. Parliamentary revenue acts were enacted to pay for a ten-thousand strong land army to maintain authority in the colonies; the Royal Proclamation of 1763 aimed to reinforce the Crowns control of new colonies in North America, while the Stamp Act of 1765 attempted to apply direct taxation to the American colonies. This shift in metropolitan attitude, following the Seven Years War, was to become significant in the colonial grievances leading up to the Declaration of Independence while showing direct evidence of the purposeful governance of the Britains American empire. Nevertheless, the assertion that the American empires were acquired and maintained absentmindedly is not baseless, and can be persuasively attributed to the commercial empires of North America. The limited design and short-sighted nature of the various imperial projects is especially evident in the creation of some of the first American colonies in the early seventeenth century. The initial setbacks of the English colonies at Roanoke which completely vanished and Jamestown, which witnessed continual deprivationand ruinous warfare against the Powhattan empire to the similar failure of Cartiers French colonies shows the limited design and purpose behind the formative American colonies. The fact that such ventures failed for simple, and surmountable, reasons such as lack of supply and poor location and suffered initial, and unnecessary, setbacks in declaring war against Native Americans, showed that the American empires, from the very beginning, had limited success and little central control. In essence, Jamestown was not the centre of metropolitan attention, most of its initial settlers quickly died, and by 1622 the Virginia Company was close to bankruptcy. Indeed, the sixteenth and seventeenth century French and English explorers and settlers initially sought the lucrative promise of Gold and Silver akin to the Spanish discovery and exploitation in South America. Explorers such as Raleigh and Cartier became obsessed with the acquisition of precious metalsin a vain attempt to match the prosperity of the Spanish empire. Therefore the English and French colonies, following the absence of a codified plan, essentially stumbled, half-reluctantly, upon their system of agricultural produce and commerce,in lieu of Gold. Moreover, the criticism applied to the absent-minded metropole in the foundation of the American colonies can be further applied to the ad hoc maintenance of the American empire. Since private companies and individuals had been in control of colonial affairs in varying senses and had been granted differing vested powers, the maintenance of metropolitan authority was not cohesive. Effective metropolitan control was not in place until the radically altered political structure following the Seven Years War in America. Indeed, rather than the Seven Years War being perceived as a prime example of purposeful metropolitan maintenance of an economic and political empire, it was the increase in metropolitan authority after 1763 which highlighted previous absent-mindedness regarding America. Until the latter half of the eighteenth century, metropolitan authority had been a secondary premise behind the commercial nature of the American empire, which was founded not on exploitation, but the granting of political freedoms, liberty, and local representation. Given the general perception that the British, French and Dutch empires began ignominiously in the seventeenth century, while the respective States ruled their mercantilist empires with a laissez-faire attitude, it would seem apt to label their imperial experiences as absent-minded. However, despite the initial setbacks in America, each of the American empires did aim to settle and govern their colonies in the best interest of commerce. Trade was the pre-eminent motive for the investors of the Virginia company, while specific instructions were given to prospective colonists of Jamestown to maximise productivity. Further, the nature of French imperialism in North America shown in the system of trading posts on the St. Lawrence and Mississippi River, epitomises the commercial presence of the European powers in America. In presiding over a large portion of sparsely populated land the French sought to create a monopoly of trade with the Native Americans without impinging on territory or imposing a large army; their empire was built on a trade relationship in which both the French traders and state, as well as the natives, benefited. Further, in the small colonies of the New Netherlands and New Sweden, army deployment and state control was similarly weak, creating the perfect environment for lucrative trade. Indeed, a recurring theme in Shortos depiction of the New Netherlands was the realisation made by explorers and governors that the Dutch colony was situated in an optimum location for the control of trade along the seaboard and into the American interior. This proved that it was the identification and exploitation, through colonisation, of prosperous economic regions which was important to European imperial regimes; suggesting a purposeful maintenance of the commercial North American empires. The argument for absent-minded imperialism further falls apart when applied to the Spanish style of empire employed in South America. The Spanish state, while recognising the commercial benefits of the South American colonies, acquired and maintained her empire purposefully. Inspired by the legitimisation to New World conquest granted by the Alexandrine Bulls and through the use of the requerimiento, the Spanish pursued an empire of conquest intent on the subjugation of the native peoples, exploitation of bullion, and the evangelisation of the native population. By conquering the Aztec and Mayan empires in the sixteenth century and exploiting abundant gold and silver deposits, the South American Spanish Viceroyalties were intrinsically founded on the Spirit of Conquestwith an aim to increase Spanish power via the importation of bullion. The Spanish thus used the plunder and mineral deposits of South America as a means to increase their power in Europe and to consolidate their position in the Americas. Furthermore, the central nature of this debate, that of Seeleys bemusement at the imperial absence of mind in America, has had its original intention taken out of context. Seeley saw the American empire as an integral part of Greater Britain which had been unfairly neglected by British historians. By declaring that the â€Å"absence of mind†, Seeley was referring to the fact that Britains imperial project in America had failed to alter British perceptions of Great Britain, that it had failed to â€Å"change our ways of thinking† and that â€Å"we do not reckon our colonies as really belonging to us†. Thus the â€Å"absence of mind† was not directed at the acquisition and maintenance of empire, but rather at the â€Å"indifference which we show towards the mighty phenomenon of the diffusion of our race and the expansion of our state.† To conclude, the declaration that the American empires were acquired and maintained with a complete absence of mind is incorrect. Each European imperial project had differing intentions, were settled by different individuals and spanned across centuries, and so a sense of continued purpose was inevitably lost. But there was, of course, purpose behind the imperial projects, or they would not have been settled or economically exploited in the first place. Both France and England settled in America for commercial interests while the Spanish purposefully exploited the economic wealth of South America. Further, the importance of questioning J.R. Seeleys quote cannot be understated. He was not necessarily accusing Britain of an absence of mind in regards to America, but rather in a historical sense; that the greatness of the imperial schemes had be ignored, and a re-assessment of the importance and centrality it held to British history must be made. Bibliography Appelbaum, Robert (ed.)Envisioning an English Empire: Jamestown and the Making of the North Atlantic World (2005). Armitage, David,The Ideological Origins of the British Empire (Cambridge, 2000). Elliott, John, Empires of the Atlantic World: Britain and Spain in America 1492-1830 (New Haven, 2006). The Old World and the New, 1492-1650 (Cambridge, 1970). Games, Alison, Migration and the Origins of the English Atlantic World (Cambridge,  1999). Pagden, Anthony,Lords of all the World: Ideologies of Empire in Spain, Britain and France, c.1500 – 1800 (New Haven, 1995). Richter, Daniel,Facing East from Indian Country (Cambridge, Mass., 2001). Samson, Jane (ed.)The British Empire (Oxford, 2001). Seed, Patricia, Ceremonies of Possession in Europes conquest of the New World, 1492 – 1640 (Cambridge, 1995). Seeley, J.R.,The Expansion of England (London, 1883). A Declaration and Remonstrance of the Distressed and Bleeding Frontier Inhabitants of the Province of Pennsylvania (Philadelphia, 1764)

Pain and Acupuncture in Eastern and Western Medicine Essay -- Acupunct

Pain and Acupuncture in Eastern and Western Medicine Acupuncture is an ancient medicinal art that has been practiced for thousands of years. Acupuncture today is mainly seen by Western medicine as a "new alternative" medicine (2). This basically means that while Western medicine acknowledges the value and positive medical research supporting acupuncture in many realms of medicine, for the most part it is not a practice that has been incorporated into 'modern' medical practices. One of the most consistently supported uses of acupuncture therapy is in pain treatment (14). Western medicine has often come up short when it comes to treatment of chronic pain. The dichotomy that is often suggested is that Western medicine is better at emergency situations and stabilizing patients in crisis, while Eastern medicine has more success with more long-term chronic issues such as pain (2). This difference mainly stems from the philosophy of both methods of practicing medicine. Eastern medicine, for the most part, is more interested in treating the wh ole person and finding the organic root of the problem instead of just treating the symptoms. While chronic pain is reaching epidemic proportions in Western society, few people are employing the benefits this type of medicine can bring. How does pain effect the nervous system? How does acupuncture help to alleviate this symptom? Is it possible to explain the effects of acupuncture through the language of Western medicine? Acupuncture Theory Acupuncture, very basically, is the insertion of very fine needles, sometimes in conjunction with electrical stimulus, on the body's surface, in order to influence physiological functioning of the body (1). At the basis of acupuncture, is the theory th... ...nism of Acupuncture http://www.acupuncture.com/Acup/Mech.htm 7)Neuronal Possibilities , Neuronal Diagram http://dubinserver.colorado.edu/prj/kcr/p07.html 8)Beyond Endorphins , Endorphins in Pain Mediation http://www.chiro.org/places/ABSTRACTS/Beyond_endorphins.shtml 9)Mechanism of Acupuncture: Beyond Neurohumoral Theory http://users.med.auth.gr/~karanik/english/articles/mechan.html 10)Dr. L. Soh , Beyond Endorphins in Acupuncture Analgesia http://www.ozacupuncture.com/drlsohs.htm 11)Pain Perception http://www.mhhe.com/biosci/ap/saladin/nervous/reading10.mhtml 12)Chronic Pain Solutions The Scientific Basis Of Acupuncture http://www.chronicpainsolutions.com/acupuncture.htm 13)Molecular Insights into the Problem of Pain http://www.painstudy.ru/pe3/molecular.htm 14)What We Know About Pain http://www.nidr.nih.gov/slavkin/pain.htm

QR Codes and Nursing Essay

Originally invented in 1994, by the Denso Wave Corporation in Japan, Quick response codes, or QR codes were intended to for the auto manufacturer Toyota as a means to track vehicles, as well as vehicle parts, during the manufacturing production stages of building their cars. The QR codes were designed to allow Toyota manufactures to identify parts by scanning a two dimensional barcode, or, QR code at high speed. Since its inception in 1994 QR codes have become one of the most popular types of barcode used in Japan. Used primarily through Smart phones, this technology quickly allows consumers to access information contained in the QR code. In recent years the QR barcodes have infiltrated the United States via consumer advertisers and packaging companies. QR codes can be found on direct mail from advertisers, billboards, buses, internet ads, and have even crossed boarders into the healthcare industry (Wikipedia, 2012). Even the Federal Government is adopting the use of QR codes to redu ce the risks associated with mistaken personnel identification. The United States Department of Defense has also boosted identification (ID) security of employees by adopting smart ID cards, which are essentially QR codes. Instead of using the traditional ID card with employee photos, the Department of Defense has issued smart ID cards which act much like QR codes, however, they more are more expensive to produce, and require ongoing IT support. Although they are more expensive than a traditional ID card, The Smart ID cards allow for faster verification of personnel, and may ease some of the pressure on security officials who have to use their judgment based on an ID card flashed in their face. With one scan of the QR code, down to the minute, information can be displayed, which includes, authorizations for the employee, or their qualifications and, or credentials. The purpose of this communication is to explain the advantages and disadvantages of participating in a QR code pilot program, such as Lifesquare, who has partnered with emergency workers in Marin County, California to improve their ability to save lives in emergency situations through the use of QR codes, which allow them to access patient medical information including, medical history; and medications currently taken. In many cases this is critical with regards to saving someone’s life. Having access to their medical history, and or current medications could be critical in an emergency situation, when time is of the essence. In the medical field, this has become known as BCMA, which is bar code-assisted  medication administration. BCMA technology is being used as an aid to combat medication administration errors, improve patient safety and provide more accurate medication administration documentation. Not only is this technology being used in the United States, â€Å"however, this technology is also used in European countries including Denmark, Italy and the Netherlands† (Hassink, Jansen, Helmons, 2012). There have been many studies conducted over the years to conclude whether or not BCMA technology is advantageous to the medical field, including hospitals, doctors, nurses, and pharmacists’. Research has concluded, that there are both advantages and disadvantages when implementing BCMA technology, as well as contrasting information when it comes down to whether or not the BCMA technology is actually reducing errors in medicine administration. Although, the studies have concluded that there are many issues with BCMA technology, none indicate that BCMA technology is failing to prevent patient safety, which should be the main concern when administering medicine (Hassink, Jansen, Helmons, 2012). When researching the advantages to using BCMA technology, there weren’t many sources that provided straight to the point advantages, however, according to a â€Å"2010 quasi-experimental study Poon, et al., report that barcode medication administration systems have been associated with a 41% reduction in non-timing administration errors and a 51% reduction in potential adverse drug events from these errors, carrying the potential to prevent 95,000 possible ADEs† (Poon 2 010). If these numbers are correct, BCMA technology has to potential to prevent nearly 100,000 cases of ADE, which is and adverse drug event, in which are â€Å"defined as an injury resulting from the use of a medicine or omission of an intended medicine† (Hassink, Jansen, Helmons, 2012). Basically, when a patient is injured due to a medication error, it is considered and ADE. On the other hand, it seems that there was lots of information when it came down to the disadvantages of using BCMA technology. Since many of the studies conducted could not present any clear cut evidence and the fact that many of the studies regarding BCMA technology have contrasting information have produced many barriers to stop its implementation. Of the disadvantages, one of the main concerns was the price to implement this technology. This includes the costs of the equipment and installation, along with training the staff on how to use a new and very complex technology such as BCMA. You also have to  deal with the fact that not all people are computer savvy, and complicated software programs such as the BCMA technology may not be user friendly. Having a nurse that does not know how to operate this type of system may do more harm than good. Many nurses also feel that the BCMA process is very time consuming, however, studies found that there was no issue with regards to the time it took to administer medicine using this process. In conclusion, I would like to state that I feel that the BCMA process will be very effective in the future and will most like be used throughout the medical field and in all hospitals. Although BCMA technology is not necessarily new, it is new in the field of medicine, and those that don’t understand this process may be having a hard time accepting it. Eventually they will work out all of the kinks associated with BCMA technology, and we will see the numbers associated with medicine administration errors decrease, while we see an increase in patient safety. References Hassink, J.J., Jansen, M.M., and Helmons, P, J. (2012). Effects of bar code-assisted medication administration BCMA) on frequency, type and severity of medication administration errors: a review of the literature. Eur J Hosp Pharm 19, 489-494. Doi: 10.1136/ejhpharm-2012-000058 Quick response codes. Retrieved November 22, 2012 from Wikipedia Poon, E. G., Keohane, C. A., Yoon, C. S., Ditmore, M. B., Bane, A. R., Levtzion-Korach, O. M., et al. (2010). Effect of Bar-Code Technology on the Safety of Medication Administration. New England Journal of Medicine , 362 (18), 1698-1707 We Can But Should We? Chamberlain College of Nursing Britney Adams

Medical Assisting

Medical Assistant Medical assistants are health care providers who perform clinical and administrative tasks to help doctors and other health care representatives. The role of the medical assistants varies depending upon the location of work, specialty of the practitioner and size of the hospital or clinic. However, The satisfaction and health of a patient should be the number one priority of any medical assistant. It is a simple concept, but on the same note complex. Each patient may have different expectations about the care they are receiving, patient-physician relationship, and costs of treatments.As a medical assistant, I have the ability to address some of these expectations. Medical assistants are an important part of the medical field both for the doctor and the patients. Medical assistants have many tasks that they must do on daily basis. Usually in smaller practices, such as the one where I work, the medical assistants have a larger scope of things that must be learned beca use there are more things they have to look after as compared to a larger practice. Administrative medical assistants usually update and take care of medical records and paperwork, and arrange for hospital admissions and laboratory services.They also perform customer-oriented tasks such as answering telephones, greeting patients, handling correspondence, and scheduling appointments. Clinical medical assistants job include tasks such as taking medical histories and recording vital signs, explaining treatment procedures to patients, preparing them for examinations, and assisting doctors during examinations. They also perform â€Å"forensic† tasks such as collecting and preparing laboratory specimens, disposing off of contaminated supplies, and sterilize medical instruments. Within the practice that I work at, we perform both the administrative and clinical tasks.However, we only prepare the lab request forms and the patients have the blood work drawn off site. Also, we have two front office people who schedule all the appointments. A medical assistant may also instruct patients about medications and special diets, authorize drug refills, telephone prescriptions to a pharmacy etc. They may even arrange examining room instruments and equipment, purchase and maintain supplies and equipment, and keep waiting and examining rooms neat and clean. As a medical assistant, there are other tasks that need to be performed that may not be as obvious as those listed above.A medical assistant must have good interpersonal skills. They have to be able to create a positive rapport with the patient. Usually the medical assistant is first to see the patient and sets the tone for the visit and perhaps the treatment plan. Secondly, medical assistants need to be very good at time management. Making sure that the patient is seen and treated in a timely manner is critical to the flow of the schedule. A lot of the time in our practice, we have to keep the doctor on track as he ten ds to get caught up talking to the patients about other things.He is aware that he gets sidetracked a lot so we have little signals that we can use to let him know that he is taking too much time on non-related conversation. The ability to work as a team helps keep the schedule on time. Patience and compassion are other things that a medical assistant need have a lot of. Many times patients do not pick instructions up quickly, and that can be a cause of frustration. After our doctor, Dr. Latham, leaves the room, we often, if not always, have to go back over the instructions. Dr. Latham talks really fast and most of our patients are older and do not hear as well.There are a few different programs a medical assistant can go through for training. They include, administrative, clerical or clinical training programs. There are three types of medical assistant courses available: diploma, certification or associates. Most of the medical assistant schools offer a one-year postsecondary prog ram that either last for 1 year and result in a certificate or diploma, or 2 years and result in an associate degree. â€Å"Medical assistants are not required to be certified. † (Bureau of Labor Statistics).In most states, on-the-job training is allowed in place of an actual certification such as in my case. There are several different ways that an employer can use to identify and select a potential employee. According to our text, â€Å"The goal of the selection process is to identify the best candidates who possess the most influential qualities a job requires and who fit the organizational culture well. These qualities include a combination of critical knowledge, skills, and abilities; appropriate experience and education; and personal characteristics, traits, and attitudes. (Youssef, 2012 sec. 5. 1). Probably the two most common ways are through resumes and interviews. Looking at a persons resume is the quickest and easiest way to see the pertinent facts of a potential employee. This selection method impacts the achievement of organizational objectives by being a quick and concise way to see a run down the of the persons qualifications and experience. It allows the organization to quickly see at a glance if the person would benefit the organization without wasting too much time.Interviews are the most common way of hiring an employee. This selection method impacts the achievement of organizational objectives by being able to directly interact with the person. It can be a good way to judge â€Å"their communication skills, interpersonal skills, and technical experience and knowledge. †(Youssef, 2012 sec. 5. 3). The downside to this method is that it is more time consuming as well as misleading in some ways. A person can be really good at the interview but not very good at the job.On the other hand a person can be nervous and bad at the interview but excellent at the job but was not hired because of the interview. The satisfaction and health of that patient should be the number one priority of a medical assistant. While the role of the medical assistants varies depending upon the location of work, specialty of the practitioner and size of the hospital or clinic, they are an important part of the medical field. Whether the medical assistant has a certification or not, they must have the ability and skill set to perform all of the varied tasks required of them.

Case Study Royal Numico NV

Case Study Royal Numico NV Numico has grown from humble beginnings to become of one of the largest companies that manufactures nutritional products. Acquisition is one of the major strategies of the company. Throughout, the history of the company, it has acquired companies in various locations.Advertising We will write a custom case study sample on Case Study: Royal Numico NV specifically for you for only $16.05 $11/page Learn More This has enabled the company to venture into foreign markets. This company has helped in sustaining its growth. Acquisitions enabled the company to control interests in more than 100 countries. This enabled the company’s products to reach a large number of people. Numico uses a medical platform marketing. This implies that the company uses its experience in manufacturing products that have a medical backing. The company has laboratories in several countries. These laboratories use scientific data to develop new products. This enables the company to d evelop products for vulnerable people. Research enabled the company to develop products that focused on the link between nutrition, diseases, and health. This enabled the company to improve its competitiveness. The U.S. is one of the most lucrative markets. Numico acquired General Nutrition Companies (GNC) to improve its competitiveness. GNC was the largest producer and marketer of nutritional supplements. The company exported its products to more than 25 countries. Therefore, acquisition of the company enabled it to acquire the customers of the company. This enabled Numico to improve its competitiveness globally. GNC had a strong brand name. This brand name and Numico’s scientific knowledge would help in improving the competitiveness of the new entity. Acquisitions of new companies made Numico venture into industries that were different from its traditional areas of operation. Enrich International specialized in the sale of nutritional supplements and personal care products. On the other hand, Rexall Sundown Inc. specialized in the sale of vitamins, nutritional supplements, and consumer health products. The demand for nutritional supplements was income elastic.Advertising Looking for case study on business economics? Let's see if we can help you! Get your first paper with 15% OFF Learn More The demand was dependent on the income of customers. Reduced income reduced the demand of the nutritional supplements. Nutritional supplements were not vital products. This necessitated the company to device strategies that would enable it to market the nutritional supplements effectively. Acquisition of new companies exposed the companies to several risks. Numico specialized in the production and marketing of nutritional products that targeted infants, patients and other people who had special nutritional needs. It was vital for the company’s products to meet the nutritional needs of the target market. Failure to meet the nutritional needs would reduce its competitiveness. Numico acquired companies in different geographical locations. This exposed the companies to risks due to the volatility of the exchange rate. Volatility of the exchange rate may have a negative or positive impact on the company. Drop in the rate of the U.S. dollar versus the euro reduced the profitability of Rexall Sundown and GNC. This is despite the fact that these companies has improved performance. Reduced profitability of these companies forced Numico to sell the companies and exit from the nutritional supplements market. Traditionally, Numico specialized in the sale of products that targeted infants and other people who had special nutritional needs. However, the acquisition of new companies forced the company to start selling nutritional supplements. These products were more sensitive to the prevailing economic situations. Fluctuation in the demand of these products exposed the company to several risks. However, customers’ incr eased consciousness of their health increased the demand of these products. Acquisition of new companies necessitated Numico to specialize in the production and sale of infant nutrition products, healthcare products, and supplements. Historically, Numico was a high growth and high profit margin company.  However, Rexall Sundown was a low growth low margin company. In addition, GNC was a high margin low growth business.Advertising We will write a custom case study sample on Case Study: Royal Numico NV specifically for you for only $16.05 $11/page Learn More These companies did not fit Numico’s strategy of high growth high margin. This necessitated Numico to sell the companies. Numico acquired several companies during its history. In 1999, the company acquired General Nutrition Companies. In 2000, Numico acquired Enrich International and Rexall Sundown. However, in 2003, Numico sold Rexall Sundown and GNC. The sale of these companies was due to the fact that the companies did not fit Numico’s strategy. The companies did not meet Numico’s profit expectations. Nutritional supplement market was a low growth market. In addition, the market was income elastic. However, soon after the sale of the companies they became profitable. The sale of the companies was a right decision. Failure to sell the companies would have necessitated Numico to change its strategy. This may have had a negative effect on the company. However, sale of the companies made Numico lose the money it had invested in the companies. In addition, Numico lost the competitive edge it had due to the acquisition of the companies. Sale of the companies enabled the company to concentrate on its traditional market of infant nutrition and clinical nutrition products. The company had vast experience in producing and marketing these products. This enabled it to have a competitive edge in the market.

The Death Penalty Essays - Penology, Criminology, Criminal Law

The Death Penalty Essays - Penology, Criminology, Criminal Law The Death Penalty Capital punishment is the legal infliction of the death penalty on persons convicted of a crime. Today, in modern law, the death penalty is corporal punishment in its most severe form. It is irrevocable: it ends the existence of those punished, instead of temporarily imprisoning them. Although capital punishment is not intended to inflict physical pain, execution is the only corporal punishment still applied to adults. The usual alternative to the death penalty is life-long imprisonment. For the past decades capital punishment has been one of the most hotly contested political issues in America. This debate is a complicated one. Capital punishment is not merely-or even primarily-a legal question. It is a practical, philosophical, social, political, and moral question as well. I don't have any problems with the death penalty only if all avenues have been investigated and nothing is questionable. I believe in the concept of "an eye for an eye" and "a tooth for a tooth" because there are always consequences to the things you do and murder should not an exception. The notion of deterrence has been at the very center of the practical debate over the question of capital punishment. The fear of death deters people from committing crimes. I believe that the death penalty has a deterrent value because it removes the criminals from society so they will never be able to committing anymore crimes. Also future criminals must understand the consequences of committing a crime. Abolitionists have long argued that deterrence is little more than an assumption, that most murders cannot be rationally deterred by any penalty, including death. They are crimes of passion, committed in moments of intense rage, frustration, hatred, or fear, when the killers aren't thinking clearly of the personal consequences of what they do. I respect their beliefs, but I still believe in its deterrence value. I believe the serial murderers that continuously kill should be put to death so that no more lives will be lost. I believe in capital punishment because I know of a person who was killed in a drive-by shooting. He was a good student and had plenty of potential. The juveniles who took his life are currently in juvenile hall. What saddens me the most is that these violent teenagers have a potential of freedom when they turn eighteen. I believe these criminals should have been executed because there is a chance that they will commit a murder again. If the death penalty was applied to them, it guarantees that they will never murder again. July 9, 1998 English 1A

A Telephone Based Wireless Remote Controller

Data processing stages of the transmitter and receiver modules have been implemented using digital components, thereby avoiding possible use of conventional devices like monostable multivibrators. Due to the fully digital nature, the proposed design is less complex and hence the implementation is cost effective. I. INTRODUCTION With the advancement in science and technology, human beings have developed a tendency to make their everyday life amply luxurious with the aid of technology. This has led to the development of many sophisticated gadgets and equipments that assist them partially/fully in their daily activities. Operating all such electronic/electrical instruments in a modern house might be difficult for the elderly as well as disabled people. Our primary motivation to build a simple and low cost system which remotely operates all the home appliances stems from this point. We integrate our system with a standard telephone set so that the telephone can be used for the dual purpose of telephony and remote controller for various home appliances. The proposed system mainly consists of 3 modules, viz. , telephone interface circuit, transmitter and receiver. The transmitter module is in turn made up of a digital data processing block and a wireless (infrared) transmitter block and the eceiver module is made up of a wireless (infrared) receiver block, digital data processing block and a decoding block. In the scheme, a telephone receiver acts as a remote terminal to provide input Dual-Tone Multi-Frequency (DTMF) signals to the telephone interface circuit which converts them to corresponding 4 bit Binary Coded Decimal (BCD) codes. The transmitter generates an 8 bit frame using this BCD code to facilitate asynchronous communication . The receiver decodes the received signals after checking for any transmission errors (single bit) in the frame. These decoded bits act as control signals for the operation of home appliances. The system employs an asynchronous type of communication [1] in which the transmitter and receiver clocks are independent. The receiver clock does not have any prior information regarding the phase of the transmitter clock [2]. This leads to the problem of choosing the correct sampling instants at the receiver [3]. Hence the data is transmitted in the form of frames instead of individual bits. Each such frame consists of start bits, information bits, and stop bits [1]. This is explained in detail in the subsequent sections. When the system is idle, the data processing block of he transmitter gives constant logical high output. Since the transmitter consumes more power in transmitting logical high than logical low, the output of data processing block is negated before transmission to save power in the idle state. The receiver module also senses this and remains idle whenever the transmitter is transmitting continuous logical low. The reception of a start bit changes the state of the r eceiver from an idle to an active state. It then has to sample the remaining data bits in the frame at proper sampling instants. Most of the standard hardware schemes involve the use of monostable ultivibrators at the receiver to recover the data bits following the start bit. The monostable multivibrators commonly rely on variable components such as resistance and capacitance values, as well as they often account for a major part of the propagation delays associated with the receiver. We have extended this treatment to a fully digital design that presents more challenging tasks including a digital output feedback. Moreover, use of all digital components in the data processing stages reduces the propagation delay considerably. The complete design outline of all the modules of the roposed system is presented in Section II. Results and discussions are given in Section III. Finally, we present our conclusions in Section IV. II. DESIGN OUTLINE The block diagram of the proposed telephone based wireless remote control system is shown in Fig. 1. In the proposed system, the telephone set performs the dual functions of telephony and remotely controlling various devices. The remote control mode of the telephone can be activated by pressing ‘#’ from the keypad of the telephone. After the desired tasks are accomplished, ‘#’ should be pressed again to deactivate the control system. This is one of the functions of the telephone interface circuit, which is discussed next. A. Telephone Interface Circuit The telephone interface circuit integrates the designed system with the standard telephone system. As shown in Fig. 2, it basically performs the job of receiving the signals from the local loop and converting them to the standard digital signals in the BCD format. When any telephone button is pressed, a unique DTMF signal is produced for a short duration [4] which is converted to corresponding BCD code by a standard DTMF to BCD converter (KT-3170) [5]. The dual tone frequencies and the BCD codes associated with each dialed digit are shown in Table 1. The system remains in the idle state until ‘#’ button is pressed which sets the telephone to remote control mode. This mode remains activated until ‘#’ button is pressed again. This is realized in the hardware by using the BCD code corresponding to ‘#’ as the clock to toggle the J-K flip-flop (74112). The flip-flop output toggles whenever the ‘#’ button is pressed and this is directly used to control the mode of operation of the telephone. The DSO output of KT-3170 [5] is used to generate a start it for the system as it is logical high whenever a received tone pair has been registered and the output latch is updated. As the latched 4-bit BCD code is directly available at the output of KT-3170, it is given as such to the data processing block of the transmitter. These data bits are then processed to facilitate asynchronous communicatio n as explained below. B. Transmitter The 4-bit output of KT-3170 can not be directly transmitted as individual bits as the proposed system employs asynchronous mode of communication. The 4-bit BCD code is thus transmitted as frames for proper reception [1]. We have chosen an eight bit frame for our system which consists of a start bit followed by four data bits, a parity bit and two stop bits. Parity bit enables the system to detect any single bit error during transmission. Stop bits mark the ending of the frame. The frame is then transmitted using infrared (IR) transmitter. As shown in Fig. 2, the transmitter mainly consists of two blocks which are explained below. 1) Fully Digital Data Processing Block: This block performs the function of converting individual bits to 8-bit frames in order to carry asynchronous communication. First bit of the frame is the start bit (taken as 0) which is generated when any of the buttons is pressed. The succeeding 4 bits are the data bits (BCD code) generated by the telephone interface circuit as explained before. Next bit is taken as parity check bit generated by XORing the first 5 bits of the frame. Last 2 bits, termed as stop bits, are taken as 1. Following the generation of the start bit, the data bits are loaded in the parallel to serial converter (74165) using a D-type flip-flop (7474) and the frame is transmitted serially. 2) IR Transmitter Block: This module transmits the frames enerated in the previous section using an IR emitting diode. The data to be transmitted is modulated using Amplitude Shift Keying (ASK) with a carrier square wave of 38 kHz. The transmission range of the system is thus highly improved over the case when data is transmitted without modulation. As the data processing stage gives logical high output in the idle state, it is negated before tran smission to save power. Thus, a logical low is actually transmitted whenever the system is in idle state. C. Receiver The receiver also has 2 working states, viz. , idle and active. It remains in the idle state until it detects a start bit. It then receives the frame starting from the start bit and checks for a single bit error. If error is detected, no action is taken and the information has to be transmitted again by the user. The received data bits are then decoded which act as control signals for the operation of various appliances. As is evident from Fig. 3, receiver circuit can be subdivided into 3 blocks which are explained below. 1) IR Receiver Block: This block receives the transmitted frames and converts the signal back to Transistor Transistor Logic (TTL) levels. A standard 38 kHz IR receiver (TSOP 1738) [6] is used for this purpose. 2) Sampling Clock Generator: The main function of this block is to generate a sampling instant at approximately the middle of the transmitted bit interval. The start bit activates this block and loads counter 1 (4-bit up-counter) with value ‘0’. The clock frequency of this counter is 16 times the bit rate. When the output of this counter changes from 7 to 8, the most significant bit changes from ‘0’ to ‘1’ and this rising edge is used as the sampling instant for the data. Start bit also loads the counter 2 (4-bit down-counter) with the frame size i. e. , 8. When this reaches the value ‘0’, the whole block is disabled and is reactivated only when next start bit arrives. 3) Data Sampler and Decoder: The serial input data is sampled according to the sampling instant generated in the previous stage and is converted to parallel form using serial to parallel converter (74164). This data is then checked for any 1-bit errors by XORing the bits. If error is found, no action is taken and the data has to be retransmitted. If no errors are found, the data is decoded using 4-16 decoder (74154) and he signal is given to the appliance for the completion of the corresponding task. III. RESULTS AND DISCUSSIONS The proposed system has been fully implemented and successfully tested in the standard telephone local loop. The transmitter, kept near the telephone set, taps the DTMF signal from the local loop and transmits the corresponding data frame wirelessly . This signal is received by the receiver installed at the switch board. It decodes the data and takes the corresponding action. At least ten control signals, corresponding to each digit from 0 to 9, can be generated using a standard telephone set. The transmitter was previously implemented without a modulator where the IR LED was kept ON for transmitting logical high and OFF for transmitting logical low. This limited the distance between the transmitter and receiver to a maximum of 30 cms for proper reception. The range of the wireless system has increased to several meters after modulating the data using 38 kHz square wave. This range also depends on the current flowing through the infrared diode which has to be properly tuned to maximize the range. A standard TSOP 1738 receiver is used in the proposed ystem, which requires a minimum burst length of 10 cycles for proper detection. This puts an upper limit on the data rate supported by our system which is practically observed to be 2. 8 kbps [5]. The IR transmitter is highly directional and requires the receiver to be in line of sight of the transmitter. The reception angle of the receiver is observed to decrease with increasing distance between the transmitter and receiver. T his is because of the fact that the power is not uniformly distributed and is concentrated in narrow transmission angle. Moreover, the signal power reduces when the distance between the transmitter and the receiver is increased. So, the receiver has to be highly aligned with transmitter when operating at some substantial distance from it. This problem is of not much concern for our system because the transmitter and receiver, being static in nature, can be properly aligned at the time of installation. The data processing blocks of both the transmitter and the receiver are fully digital in nature. This comprehensively reduces the propagation delays involved and increases the rate at which data can be processed in these blocks. Though, data rate is not very important in the present application but this feature makes the design of our data processing blocks suitable for high data rate applications which are commonly seen in wired communication. IV. CONCLUSIONS A wireless system has been proposed to operate the home appliances remotely using a standard telephone set. This has been successfully tested and is found to be working satisfactorily within a distance of 10 meters. The telephone receiver performs a dual-function of telephony and remotely controlling various devices with the help of its ‘#’ button on the keypad. The telephone interface circuit is easily integrated with the standard local loop thus avoiding any changes in the telephone set. Hence, the proposed system is compatible with any type of telephone working on standard local loop. The system employs asynchronous mode of communication which avoids the need to synchronize the transmitter and receiver clocks, thus making our system less complex and hence cost effective. The proposed fully digital innovative design of the data processing blocks reduces the propagation delay and makes them useful for even high data rate applications. Moreover, the system is capable of detecting the single bit errors occuring during transmission. The proposed system can be used in a wide range of practical applications such as speed control of motors, switching of appliances, control of robots, etc. The above discussed characteristics like simple design, high practical utility and easy installation makes our system highly marketable. REFERENCES [1] Gorry Fairhurst. Asynchronous Communication [Online]. Available: http://www. erg. abdn. ac. uk/users/gorry/course/phy-pages/async. html. [2] D. Comer, Computer Networks and Internets with Internet Applications. Upper Saddle River, NJ: Prentice-Hall, 2004. [3] A. Subramanian, V. P. S. Makh and A. Mitra, â€Å"A New Digital Transceiver Circuit for Asynchronous Communication†, Enformatika Trans. , vol. 8, pp. 237-241, Oct. 2005. [4] DTMF Background [Online]. Available: http:// www. ece. utexas. edu/mason/codesign/dtmf. html. [5] Samsung Electronics Datasheet. KT3170 Low Power DTMF Receiver [Online]. Available: http://www. ortodoxism. ro/datasheets/SamsungElectronic/mXuusvq. pdf. [6] Vishay Semiconductors Datasheet. Photo Modules for PCM Remote Control Systems [Online]. Available: http://www. vishay. com/docs/82030/82030. pdf A Telephone Based Wireless Remote Controller Data processing stages of the transmitter and receiver modules have been implemented using digital components, thereby avoiding possible use of conventional devices like monostable multivibrators. Due to the fully digital nature, the proposed design is less complex and hence the implementation is cost effective. I. INTRODUCTION With the advancement in science and technology, human beings have developed a tendency to make their everyday life amply luxurious with the aid of technology. This has led to the development of many sophisticated gadgets and equipments that assist them partially/fully in their daily activities. Operating all such electronic/electrical instruments in a modern house might be difficult for the elderly as well as disabled people. Our primary motivation to build a simple and low cost system which remotely operates all the home appliances stems from this point. We integrate our system with a standard telephone set so that the telephone can be used for the dual purpose of telephony and remote controller for various home appliances. The proposed system mainly consists of 3 modules, viz. , telephone interface circuit, transmitter and receiver. The transmitter module is in turn made up of a digital data processing block and a wireless (infrared) transmitter block and the eceiver module is made up of a wireless (infrared) receiver block, digital data processing block and a decoding block. In the scheme, a telephone receiver acts as a remote terminal to provide input Dual-Tone Multi-Frequency (DTMF) signals to the telephone interface circuit which converts them to corresponding 4 bit Binary Coded Decimal (BCD) codes. The transmitter generates an 8 bit frame using this BCD code to facilitate asynchronous communication . The receiver decodes the received signals after checking for any transmission errors (single bit) in the frame. These decoded bits act as control signals for the operation of home appliances. The system employs an asynchronous type of communication [1] in which the transmitter and receiver clocks are independent. The receiver clock does not have any prior information regarding the phase of the transmitter clock [2]. This leads to the problem of choosing the correct sampling instants at the receiver [3]. Hence the data is transmitted in the form of frames instead of individual bits. Each such frame consists of start bits, information bits, and stop bits [1]. This is explained in detail in the subsequent sections. When the system is idle, the data processing block of he transmitter gives constant logical high output. Since the transmitter consumes more power in transmitting logical high than logical low, the output of data processing block is negated before transmission to save power in the idle state. The receiver module also senses this and remains idle whenever the transmitter is transmitting continuous logical low. The reception of a start bit changes the state of the r eceiver from an idle to an active state. It then has to sample the remaining data bits in the frame at proper sampling instants. Most of the standard hardware schemes involve the use of monostable ultivibrators at the receiver to recover the data bits following the start bit. The monostable multivibrators commonly rely on variable components such as resistance and capacitance values, as well as they often account for a major part of the propagation delays associated with the receiver. We have extended this treatment to a fully digital design that presents more challenging tasks including a digital output feedback. Moreover, use of all digital components in the data processing stages reduces the propagation delay considerably. The complete design outline of all the modules of the roposed system is presented in Section II. Results and discussions are given in Section III. Finally, we present our conclusions in Section IV. II. DESIGN OUTLINE The block diagram of the proposed telephone based wireless remote control system is shown in Fig. 1. In the proposed system, the telephone set performs the dual functions of telephony and remotely controlling various devices. The remote control mode of the telephone can be activated by pressing ‘#’ from the keypad of the telephone. After the desired tasks are accomplished, ‘#’ should be pressed again to deactivate the control system. This is one of the functions of the telephone interface circuit, which is discussed next. A. Telephone Interface Circuit The telephone interface circuit integrates the designed system with the standard telephone system. As shown in Fig. 2, it basically performs the job of receiving the signals from the local loop and converting them to the standard digital signals in the BCD format. When any telephone button is pressed, a unique DTMF signal is produced for a short duration [4] which is converted to corresponding BCD code by a standard DTMF to BCD converter (KT-3170) [5]. The dual tone frequencies and the BCD codes associated with each dialed digit are shown in Table 1. The system remains in the idle state until ‘#’ button is pressed which sets the telephone to remote control mode. This mode remains activated until ‘#’ button is pressed again. This is realized in the hardware by using the BCD code corresponding to ‘#’ as the clock to toggle the J-K flip-flop (74112). The flip-flop output toggles whenever the ‘#’ button is pressed and this is directly used to control the mode of operation of the telephone. The DSO output of KT-3170 [5] is used to generate a start it for the system as it is logical high whenever a received tone pair has been registered and the output latch is updated. As the latched 4-bit BCD code is directly available at the output of KT-3170, it is given as such to the data processing block of the transmitter. These data bits are then processed to facilitate asynchronous communicatio n as explained below. B. Transmitter The 4-bit output of KT-3170 can not be directly transmitted as individual bits as the proposed system employs asynchronous mode of communication. The 4-bit BCD code is thus transmitted as frames for proper reception [1]. We have chosen an eight bit frame for our system which consists of a start bit followed by four data bits, a parity bit and two stop bits. Parity bit enables the system to detect any single bit error during transmission. Stop bits mark the ending of the frame. The frame is then transmitted using infrared (IR) transmitter. As shown in Fig. 2, the transmitter mainly consists of two blocks which are explained below. 1) Fully Digital Data Processing Block: This block performs the function of converting individual bits to 8-bit frames in order to carry asynchronous communication. First bit of the frame is the start bit (taken as 0) which is generated when any of the buttons is pressed. The succeeding 4 bits are the data bits (BCD code) generated by the telephone interface circuit as explained before. Next bit is taken as parity check bit generated by XORing the first 5 bits of the frame. Last 2 bits, termed as stop bits, are taken as 1. Following the generation of the start bit, the data bits are loaded in the parallel to serial converter (74165) using a D-type flip-flop (7474) and the frame is transmitted serially. 2) IR Transmitter Block: This module transmits the frames enerated in the previous section using an IR emitting diode. The data to be transmitted is modulated using Amplitude Shift Keying (ASK) with a carrier square wave of 38 kHz. The transmission range of the system is thus highly improved over the case when data is transmitted without modulation. As the data processing stage gives logical high output in the idle state, it is negated before tran smission to save power. Thus, a logical low is actually transmitted whenever the system is in idle state. C. Receiver The receiver also has 2 working states, viz. , idle and active. It remains in the idle state until it detects a start bit. It then receives the frame starting from the start bit and checks for a single bit error. If error is detected, no action is taken and the information has to be transmitted again by the user. The received data bits are then decoded which act as control signals for the operation of various appliances. As is evident from Fig. 3, receiver circuit can be subdivided into 3 blocks which are explained below. 1) IR Receiver Block: This block receives the transmitted frames and converts the signal back to Transistor Transistor Logic (TTL) levels. A standard 38 kHz IR receiver (TSOP 1738) [6] is used for this purpose. 2) Sampling Clock Generator: The main function of this block is to generate a sampling instant at approximately the middle of the transmitted bit interval. The start bit activates this block and loads counter 1 (4-bit up-counter) with value ‘0’. The clock frequency of this counter is 16 times the bit rate. When the output of this counter changes from 7 to 8, the most significant bit changes from ‘0’ to ‘1’ and this rising edge is used as the sampling instant for the data. Start bit also loads the counter 2 (4-bit down-counter) with the frame size i. e. , 8. When this reaches the value ‘0’, the whole block is disabled and is reactivated only when next start bit arrives. 3) Data Sampler and Decoder: The serial input data is sampled according to the sampling instant generated in the previous stage and is converted to parallel form using serial to parallel converter (74164). This data is then checked for any 1-bit errors by XORing the bits. If error is found, no action is taken and the data has to be retransmitted. If no errors are found, the data is decoded using 4-16 decoder (74154) and he signal is given to the appliance for the completion of the corresponding task. III. RESULTS AND DISCUSSIONS The proposed system has been fully implemented and successfully tested in the standard telephone local loop. The transmitter, kept near the telephone set, taps the DTMF signal from the local loop and transmits the corresponding data frame wirelessly . This signal is received by the receiver installed at the switch board. It decodes the data and takes the corresponding action. At least ten control signals, corresponding to each digit from 0 to 9, can be generated using a standard telephone set. The transmitter was previously implemented without a modulator where the IR LED was kept ON for transmitting logical high and OFF for transmitting logical low. This limited the distance between the transmitter and receiver to a maximum of 30 cms for proper reception. The range of the wireless system has increased to several meters after modulating the data using 38 kHz square wave. This range also depends on the current flowing through the infrared diode which has to be properly tuned to maximize the range. A standard TSOP 1738 receiver is used in the proposed ystem, which requires a minimum burst length of 10 cycles for proper detection. This puts an upper limit on the data rate supported by our system which is practically observed to be 2. 8 kbps [5]. The IR transmitter is highly directional and requires the receiver to be in line of sight of the transmitter. The reception angle of the receiver is observed to decrease with increasing distance between the transmitter and receiver. T his is because of the fact that the power is not uniformly distributed and is concentrated in narrow transmission angle. Moreover, the signal power reduces when the distance between the transmitter and the receiver is increased. So, the receiver has to be highly aligned with transmitter when operating at some substantial distance from it. This problem is of not much concern for our system because the transmitter and receiver, being static in nature, can be properly aligned at the time of installation. The data processing blocks of both the transmitter and the receiver are fully digital in nature. This comprehensively reduces the propagation delays involved and increases the rate at which data can be processed in these blocks. Though, data rate is not very important in the present application but this feature makes the design of our data processing blocks suitable for high data rate applications which are commonly seen in wired communication. IV. CONCLUSIONS A wireless system has been proposed to operate the home appliances remotely using a standard telephone set. This has been successfully tested and is found to be working satisfactorily within a distance of 10 meters. The telephone receiver performs a dual-function of telephony and remotely controlling various devices with the help of its ‘#’ button on the keypad. The telephone interface circuit is easily integrated with the standard local loop thus avoiding any changes in the telephone set. Hence, the proposed system is compatible with any type of telephone working on standard local loop. The system employs asynchronous mode of communication which avoids the need to synchronize the transmitter and receiver clocks, thus making our system less complex and hence cost effective. The proposed fully digital innovative design of the data processing blocks reduces the propagation delay and makes them useful for even high data rate applications. Moreover, the system is capable of detecting the single bit errors occuring during transmission. The proposed system can be used in a wide range of practical applications such as speed control of motors, switching of appliances, control of robots, etc. The above discussed characteristics like simple design, high practical utility and easy installation makes our system highly marketable. REFERENCES [1] Gorry Fairhurst. Asynchronous Communication [Online]. Available: http://www. erg. abdn. ac. uk/users/gorry/course/phy-pages/async. html. [2] D. Comer, Computer Networks and Internets with Internet Applications. Upper Saddle River, NJ: Prentice-Hall, 2004. [3] A. Subramanian, V. P. S. Makh and A. Mitra, â€Å"A New Digital Transceiver Circuit for Asynchronous Communication†, Enformatika Trans. , vol. 8, pp. 237-241, Oct. 2005. [4] DTMF Background [Online]. Available: http:// www. ece. utexas. edu/mason/codesign/dtmf. html. [5] Samsung Electronics Datasheet. KT3170 Low Power DTMF Receiver [Online]. Available: http://www. ortodoxism. ro/datasheets/SamsungElectronic/mXuusvq. pdf. [6] Vishay Semiconductors Datasheet. Photo Modules for PCM Remote Control Systems [Online]. Available: http://www. vishay. com/docs/82030/82030. pdf

Leadership int the public Essay Example | Topics and Well Written Essays - 1000 words

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Alfred Hitchcock's Contribution To Cinema - Essay Example Aristotle, in the Poetics, while attempted to provide definition of tragedy, provided a great deal of emphasis over purgation of â€Å"pity† and â€Å"fear† and as a tragedy effectively provides an emotional outlet to such human sensibilities, is also capable of attaining appreciation of the audience: â€Å"Tragedy, then, is an imitation of an action that is serious and complete, and which has some greatness about it. It imitates in words with pleasant accompaniments, each type belonging separately to the different parts of the work. It imitates people performing actions and does not rely on narration. It achieves, through pity and fear, the catharsis of these sorts of feelings† (Aristotle; Cited in Shields 385). Despite the fact that context of the topic of discussion does not really provide sufficient scope to evaluate that how successful the movie Psycho (1960) is as a tragedy, however, relevance of this definition seems quite evident as explicit evidence can be cited, indicating the fact that behind development of a successful commercial film, Hitchcock has relied considerably on the features of purgation as well as providing attention over psychological state of the audience, as pointed out in the classical definition itself. It would be wrong if the success of the Psycho is evaluated entirely from the commercial perspective. The director, in an interview though, has admitted that the film was made on a budget of â€Å"eight hundred thousand dollars† and till the date of interview â€Å"it has grossed some fifteen million dollars† (Hitchcock; Kolker 21), however, it cannot be denied that in order to attain such a great success from artistic, aesthetic and commercial perspective the directorial ingeniousness regarding the art of filmmaking and perceiving audience’s psychology played a very vital part.

History Of Marketing Term Paper Example | Topics and Well Written Essays - 1250 words

History Of Marketing - Term Paper Example What one must understand is the fact that marketing is here to change perceptions, alter thinking dynamics, and basically bring about a change which is for the betterment of all and sundry. The history of marketing is such that it has excited the marketers and made them aware of how incremental changes have come about in different mannerisms, and the wholesale amendments have not gone by unnoticed. This paper discusses how marketing has come about of age and the manner under which success has kissed its feet over a period of time. To add to the discussion at hand, marketing has delivered! It has made people feel pride who are associated with it in one way or the other, as to how success could have been achieved, and how products and services could be best exploited to attain magnanimous results. Be it advertising or public relations tangents, marketing has come out in the open and suggested a change for the better. Be it putting up a hoarding on the road side or simply direct mailing to a potential customer, marketing has manifested its entirety for the sake of one and all. Be it word of mouth approaches or merely forming up opinion leaders, marketing is one aspect which has become known for all the right reasons – and the best part is that marketing knows how to turn dreams into gold, thoughts into actions, and raw material into brands. What remains to be seen is how the marketing element brings in the much required ROI for the sales force so that they can heave a sigh of relief in the times to come, and deliver whenever there is a discussion centering on the premise of bringing about ‘that’ vital sale. Earlier, it was thought that marketing is carried out to showcase the products and services which are being offered by an organization. However, when time passed by, the marketers realized how potent a tool marketing really is. They understood that marketing is the triggering force behind the sales dynamics. And it will only be natural to th ink of both marketing and sales to be inter-linked with one another. This came about with a change in the thinking mechanisms of the people, as they believed that marketing will induce and generate sales, which essentially took place when marketing was employed to its maximum and most efficient use. The link with sales is all the more important to know because sales depend on the initiatives that are undertaken by the marketing department within an organization. If the marketing department knows that it should be bolstered because there is a dire need to do so, the sales department needs to get its act together as well, and make sure that the marketing department receives what it requires the most and that too in a quick way (Baker, 2006). The potential success of both marketing and sales tangents is through the incorporation of the processes and tasks with one another, as has been manifested with the passage of time where the historical significance of marketing is such that it has triggered sales over a period of time, inducing and generating sales (trials) all around the world. The marketers who are entrusted with making things happen within the marketing dynamics are indeed dependent on the goodness of this tangent more significantly now than ever before. This is because they have started to believe staunchly in the power of marketing and how it has been able to showcase the strengths that lie within its folds. The marketers have also realized that the marketing

Methods of enquiry Essay Example | Topics and Well Written Essays - 1500 words

Methods of enquiry - Essay Example A Qualitative method of study differs from the usual quantitative methods (used in the study of pure sciences) in the sense that it tends to be far more subjective. This is in sharp contrast to the methods used in pure sciences which are exclusively objective. The research methods for marketing are a combination of both quantitative and qualitative methods. Being open to qualitative methods of study also allows social scientists to incorporate non-quantitative data (i.e. non-numerical data, such as words, images, gestures, impressions etc.) in their study. Since human beings tend to operate in terms of such data and not in terms of the terminology used in ordinary sciences this broader outlook is far more applicable in the study of social sciences. In keeping with the methodology employed in marketing researches the theories too are formulated and used keeping in mind that they are not necessarily applicable to all conditions. Be it psychology, history, political science or economics human events are most likely to influence the rules which define the basic theories of a marketing subject. Success in the field of marketing researches can therefore be achieved if and only if it is understood that the subject has no space or opportunity for watertight methodologies or theories. (Lamb, 2004) The basic advantages of qualitative measures are multi-fold. Firstly, it presents a completely realistic approach that the statistical analysis and numerical data used in research based on quantitative research cannot provide. Another advantage of qualitative measures is that it is more flexible in nature in terms of collected information interpretation, subsequent analysis and data collection. It also presents a holistic point of view of the investigation. Furthermore, this approach of research allows the subjects to be comfortable thus be more accurate

Hamlet Essay Example | Topics and Well Written Essays - 750 words - 2

Hamlet - Essay Example At first, he wants to make sure that Claudius is really guilty of the murder. One can see a Hamlet who wants to be sure of his uncle’s guilt before doing revenge, and for that, he plans the play. He says â€Å"the play’s the thing, wherein I’ll catch the conscience of the king† (Act 2 Scene II). However, the biggest mistake from his part that made his entire plan go astray is his killing of Polonius in his mother’s room. It gives Claudius a chance to send Hamlet away and order to kill him, which is followed by a number of deaths leading to the tragic end of the play. In addition, it is his love towards Ophelia and his desire to keep her away from the tragic end that makes him show callous attitude towards her after the ghost reveals the truth to him. In total, though the play has a tragic end, his plan is to do the revenge in such a manner that only the guilty is punished. In total, he is a man of great virtue. Or, Hamlet is â€Å"the most admirabl e picture of human nature in its highest state, little lower than angels† (Adams & Hackett, 4). II There is still a controversy among scholars about Shakespeare’s intention in showing Hamlet as mad. However, a close scrutiny clearly proves that he is not at all mad. Instead, he is utilizing that madness as a mask to cover his ploy. For example, in Act 2 Scene II, Hamlet answers the queries of Polonius in a totally nonsensical way, making them conclude that Hamlet has gone mad. However, when his friends Rosencrantz and Guildenstem appear, he greets them with excitement, and easily makes them reveal that they are spies of the king. In fact, one can observe his ability to plan and implement complex tasks with ease. To find if Claudius is really guilty of killing his father, he makes the troupe present a play which is very similar to the killing of his father, and from Claudius’ reaction, easily infer that it is guilt that makes Claudius stop the play. In addition, o ne can see Hamlet giving explicit directions to the players that they should not overact as that will ruin the purpose of the play (Act 3, Scene II, The Tragedy of Hamlet). In addition, he has no other way other than behaving like a madman because he wants to keep Ophelia away from the troubles, though she does not. However, one can also argue that the situation is painful enough for Hamlet to become mad, and considering the series of events he had to pass through, it arouses little surprise if he really becomes mad. III The most pathetic figure in the play, undoubtedly, is Ophelia. She is the one who suffers the most in the play for no guilt of her. She loved Hamlet very much but when her father stops her from meeting Hamlet, she readily agrees. As Gehrmann (13) points out, she acts the way that is liked by the male-dominated society; always obeys her father and ignores the feelings of her own heart. In Act 3 Scene I, when Ophelia greets him with trinkets he has given her, he lashe s out at the girl, and suggests that she should join a nunnery, and asks â€Å"why wouldst thou be a breeder of sinners?† (Act 3, Scene I). In addition, while watching the play, she tries to talk to him, but his response is hostile. (Act 3, Scene II) However, there are more issues for her in the pipeline waiting their turn. She gets the news of her father’

History Of Marketing Term Paper Example | Topics and Well Written Essays - 1250 words

History Of Marketing - Term Paper Example What one must understand is the fact that marketing is here to change perceptions, alter thinking dynamics, and basically bring about a change which is for the betterment of all and sundry. The history of marketing is such that it has excited the marketers and made them aware of how incremental changes have come about in different mannerisms, and the wholesale amendments have not gone by unnoticed. This paper discusses how marketing has come about of age and the manner under which success has kissed its feet over a period of time. To add to the discussion at hand, marketing has delivered! It has made people feel pride who are associated with it in one way or the other, as to how success could have been achieved, and how products and services could be best exploited to attain magnanimous results. Be it advertising or public relations tangents, marketing has come out in the open and suggested a change for the better. Be it putting up a hoarding on the road side or simply direct mailing to a potential customer, marketing has manifested its entirety for the sake of one and all. Be it word of mouth approaches or merely forming up opinion leaders, marketing is one aspect which has become known for all the right reasons – and the best part is that marketing knows how to turn dreams into gold, thoughts into actions, and raw material into brands. What remains to be seen is how the marketing element brings in the much required ROI for the sales force so that they can heave a sigh of relief in the times to come, and deliver whenever there is a discussion centering on the premise of bringing about ‘that’ vital sale. Earlier, it was thought that marketing is carried out to showcase the products and services which are being offered by an organization. However, when time passed by, the marketers realized how potent a tool marketing really is. They understood that marketing is the triggering force behind the sales dynamics. And it will only be natural to th ink of both marketing and sales to be inter-linked with one another. This came about with a change in the thinking mechanisms of the people, as they believed that marketing will induce and generate sales, which essentially took place when marketing was employed to its maximum and most efficient use. The link with sales is all the more important to know because sales depend on the initiatives that are undertaken by the marketing department within an organization. If the marketing department knows that it should be bolstered because there is a dire need to do so, the sales department needs to get its act together as well, and make sure that the marketing department receives what it requires the most and that too in a quick way (Baker, 2006). The potential success of both marketing and sales tangents is through the incorporation of the processes and tasks with one another, as has been manifested with the passage of time where the historical significance of marketing is such that it has triggered sales over a period of time, inducing and generating sales (trials) all around the world. The marketers who are entrusted with making things happen within the marketing dynamics are indeed dependent on the goodness of this tangent more significantly now than ever before. This is because they have started to believe staunchly in the power of marketing and how it has been able to showcase the strengths that lie within its folds. The marketers have also realized that the marketing

Hamlet Essay Example | Topics and Well Written Essays - 750 words - 2

Hamlet - Essay Example At first, he wants to make sure that Claudius is really guilty of the murder. One can see a Hamlet who wants to be sure of his uncle’s guilt before doing revenge, and for that, he plans the play. He says â€Å"the play’s the thing, wherein I’ll catch the conscience of the king† (Act 2 Scene II). However, the biggest mistake from his part that made his entire plan go astray is his killing of Polonius in his mother’s room. It gives Claudius a chance to send Hamlet away and order to kill him, which is followed by a number of deaths leading to the tragic end of the play. In addition, it is his love towards Ophelia and his desire to keep her away from the tragic end that makes him show callous attitude towards her after the ghost reveals the truth to him. In total, though the play has a tragic end, his plan is to do the revenge in such a manner that only the guilty is punished. In total, he is a man of great virtue. Or, Hamlet is â€Å"the most admirabl e picture of human nature in its highest state, little lower than angels† (Adams & Hackett, 4). II There is still a controversy among scholars about Shakespeare’s intention in showing Hamlet as mad. However, a close scrutiny clearly proves that he is not at all mad. Instead, he is utilizing that madness as a mask to cover his ploy. For example, in Act 2 Scene II, Hamlet answers the queries of Polonius in a totally nonsensical way, making them conclude that Hamlet has gone mad. However, when his friends Rosencrantz and Guildenstem appear, he greets them with excitement, and easily makes them reveal that they are spies of the king. In fact, one can observe his ability to plan and implement complex tasks with ease. To find if Claudius is really guilty of killing his father, he makes the troupe present a play which is very similar to the killing of his father, and from Claudius’ reaction, easily infer that it is guilt that makes Claudius stop the play. In addition, o ne can see Hamlet giving explicit directions to the players that they should not overact as that will ruin the purpose of the play (Act 3, Scene II, The Tragedy of Hamlet). In addition, he has no other way other than behaving like a madman because he wants to keep Ophelia away from the troubles, though she does not. However, one can also argue that the situation is painful enough for Hamlet to become mad, and considering the series of events he had to pass through, it arouses little surprise if he really becomes mad. III The most pathetic figure in the play, undoubtedly, is Ophelia. She is the one who suffers the most in the play for no guilt of her. She loved Hamlet very much but when her father stops her from meeting Hamlet, she readily agrees. As Gehrmann (13) points out, she acts the way that is liked by the male-dominated society; always obeys her father and ignores the feelings of her own heart. In Act 3 Scene I, when Ophelia greets him with trinkets he has given her, he lashe s out at the girl, and suggests that she should join a nunnery, and asks â€Å"why wouldst thou be a breeder of sinners?† (Act 3, Scene I). In addition, while watching the play, she tries to talk to him, but his response is hostile. (Act 3, Scene II) However, there are more issues for her in the pipeline waiting their turn. She gets the news of her father’

Inventions that change the world Essay Example for Free

Inventions that change the world Essay American statesman and inventor Benjamin Franklin was particularly interested in electricity and set up a small laboratory in his house to investigate its properties. His interest soon switched from electricity to lightning after he noticed the similarities between the two. One stormy night, he conducted a life-threatening experiment to demonstrate that lightning is the result of an electric build up. He constructed a kite that carried a metal spike and flew it into the thunderstorm. The kite had a key attached near the bottom of the ribbon and Franklin noticed that it sparked as he brought his knuckles close to it. Franklin had shown that lightning was form of electricity and he went on to use this knowledge to design a lightning rod to protect buildings. LINNAEAN TAXONOMY Linnaean taxonomy is a system of classification of living organism that is used throughout biological sciences. The most important feature of Linnaean Taxonomy is a system known as binomial nomenclature. The first name identifies the genus to which the organism belongs; the second name is its unique species. BIMETTALIC STRIP A bimetallic strip is a simple device which converts thermal energy into mechanical motion. It is used as a thermally activated switch or heat indicator and works on the principle of differential expansion of heated dissimilar metals. The bimetallic strip is made up of two different metals which are bonded together to form a straight, flat strip or a concentric coil. When the strip is heated, one of the metals heats up and expands faster than the other, causing the strip to bend. This mechanical deflection  is then harnessed in various ways to switch electrical circuits or move a dial to a give heat value indication. MARINE CHRONOMETER A marine chronometer is a clock that is precise and accurate enough to be used as a portable time standard; it can therefore be used to determine longitude by means of celestial navigation. When first developed in the 18th century, it was a major technical achievement, as accurate knowledge of the time over a long sea voyage is necessary for navigation, lacking electronic or communications aids. The first true chronometer was the life work of one man, John Harrison, spanning 31 years of persistent experimentation and testing that revolutionized naval (and later aerial) navigation. SPINNING JENNY The increased speed of weaving created a new problem because it now took three spinners to keep up with one weaver. This problem was resolved in 1764, when James Hargreaves invented a new machine that was capable of spinning eight threads of cotton yarn, instead of the spinning wheels one. The new machine was called the spinning jenny. All this time the processes of spinning and weaving were still being carried out at home. This was possible because both the flying shuttle and the spinning jenny were small enough to be used in the cottage. SURVEYOR’S PERAMBULATOR WHEEL The origins of the surveyors wheel are connected to the origins of the odometer. While the latter is derived to measure distances travelled by a vehicle, the former is specialized to measure distances. Much of the material on the earliest stages in the development of the hodometer is adequately covered in odometer. In the 17th century, the surveyors wheel was re-introduced and used to measure distances. A single wheel is attached to a handle and the device can be pushed or pulled along by a person walking. Early devices were made of wood and may have an iron rim to provide strength. The wheels themselves would be made in the same manner as wagon wheels and often by the same makers. The measuring devices would be made by makers of scientific instruments and the device and handles would be attached to the wheel by them. The device to read the distance travelled would be mounted either near the hub of the wheel or at the top of the  handle. STEAM ENGINE WITH SEPARATE CONDENSER A steam engine is a heat engine that performs mechanical work using steam as its working fluid. Steam engines are external combustion engines where the working fluid is separate from the combustion products. Non-combustion heat sources such as solar power, nuclear power or geothermal energy may be used. The ideal thermodynamic cycle used to analyze this process is called the Rankine cycle. In the cycle, water is heated and transforms into steam within a boiler operating at a high pressure. When expanded through pistons or turbines, mechanical work is done. The reduced-pressure steam is then condensed and pumped back into the boiler. WATER FRAME In 1769, a wig maker and pricier, Richard Arkwright, had observed that, even with these improvements, the hand loom weavers could not keep up with the demand for cloth. He therefore set out to design and produces a much larger spinning machine that would be able to cope with the increased demand. His design became known as the water frame. It was given this name because it needed energy from a watermill to power it. It was therefore too large for cottage work and, consequently, had to be placed in a large building known as a factory. This meant that, for the first time, a family involved in the production of woven cloth were now split up. The women of the family, whom, you will remember, were the traditional spinners, now, had to leave their cottages and work in a large building where the water frames had been installed. Since these factories used water as their power source, they tended to be built in areas where a good supply of fast flowing water was available. These early water powered factories, because they looked like large watermills, became known as mills. They were mainly concentrated in the mountainous areas of Britain where water was plentiful. For the first time men and women were separated in their work. The man stayed at home to produce the weaving and the women left home each day to work in the factory, producing the yarn for their men folk to weave into cloth. VENETIAN BLIND Venetian blind is a type of window covering. There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various  types of fabric, wood, plastic or metal which are held together by cords that run through the blind slats. Window blinds can be adjusted by rotating them from an open position to a closed position with either a manual or remote control which allows the slats to overlap and block out most of the light. There are also several types of window blinds that use a single piece of material instead of slats. A window blind is also known as a window shade. CATERPILLAR TRACKS Continuous track, also called tank tread or caterpillar track, is a system of vehicle propulsion in which a continuous band of treads is driven by two or more wheels. This band is typically made of modular steel plates in the case of military vehicles, or rubber reinforced with steel wires in the case of lighter agricultural or construction vehicles. The large surface area of the tracks distributes the weight of the vehicle better than steel or rubber tyres on an equivalent vehicle, enabling a continuous tracked vehicle to traverse soft ground with less likelihood of becoming stuck due to sinking. The prominent treads of the metal plates are both hard-wearing and damage resistant, especially in comparison to rubber tyres. The aggressive treads of the tracks provide good traction in soft surfaces but can damage paved surfaces. Special tracks that incorporate rubber pads can be installed for use on paved surfaces to prevent the damage that can be caused by all-metal tracks. Continuous tracks can be traced back as far as 1770 and today are commonly used on a variety of vehicle including bulldozers, excavators, tanks, and tractors, but can be found on any vehicle used in an application that can benefit from the added traction, low ground pressure and durability inherent in continuous track propulsion systems. SODA WATER Carbonated water (soda water) is water into which carbon dioxide gas under pressure has been dissolved. This process, known as carbonation, is a process that causes the water to become effervescent. For people who enjoy drinking soft drinks, carbonated water can provide a calorie- and sugar-free substitute. The vast majority of carbonated water is sold in ready to drink bottles like mineral water or carbonated beverages such as soft drinks, but it is easy to prepare at home with soda makers. S-TRAP FOR TOILET In plumbing, a trap is a U-, S-, or J-shaped pipe located below or within a plumbing fixture. An S-shaped trap is also known as the S-bend invented by Alexander Cummings in 1775 but became known as the U-bend following the introduction of the U-shaped trap by Thomas Crapper in 1880. The new U-bend could not jam, so, unlike the S-bend, it did not need an overflow. The bend is used to prevent sewer gases from entering buildings. In refinery applications, it also prevents hydrocarbons and other dangerous gases from escaping outside through drains. The most common of these traps in houses is referred to as a P-trap. It is the addition of a 90 degree fitting on the outlet side of a U-bend, thereby creating a P-like shape. It is also referred to as a sink trap because it is installed under most house sinks. Because of its shape, the trap retains a small amount of water after the fixtures use. This water in the trap creates a seal that prevents sewer gas from passing from the drain pipes back into the occupied space of the building. Essentially all plumbing fixtures including sinks, bathtubs, and toilets must be equipped with either an internal or external trap. Because it is a localized low-point in the plumbing, sink traps also tend to capture heavy objects (such as jewellery) that are inadvertently dropped into the sink. Traps also tend to collect hair, sand, and other debris and limit the ultimate size of objects that will pass on into the rest of the plumbing, thereby catching over-sized objects. For all of these reasons, most traps can either be disassembled for cleaning or they provide some sort of cleanout feature. SUBMERSIBLE CRAFT Submersible is a small vehicle designed to operate underwater. The term submersible is often used to differentiate from other underwater vehicles known as submarines, in that a submarine is a fully autonomous craft, capable of renewing its own power and breathing air, whereas a submersible is usually supported by a surface vessel, platform, shore team or sometimes a larger submarine. In common usage by the general public, however, the word submarine may be used to describe a craft that is by the technical definition actually a submersible. There are many types of submersibles, including both manned and unmanned craft, otherwise known as remotely operated vehicles or ROVs. Submersibles have many uses worldwide, such as oceanography, underwater archaeology, ocean exploration, adventure, equipment maintenance/recovery or underwater videographer. BORING MACHINE A tunnel boring machine (TBM) also known as a mole, is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata. They can bore through anything from hard rock to sand. Tunnel diameters can range from a metre (done with micro-TBMs) to 19.25 m to date. Tunnels of less than a metre or so in diameter are typically done using trenchless construction methods or horizontal directional drilling rather than TBMs. Tunnel boring machines are used as an alternative to drilling and blasting (DB) methods in rock and conventional hand mining in soil. TBMs have the advantages of limiting the disturbance to the surrounding ground and producing a smooth tunnel wall. This significantly reduces the cost of lining the tunnel, and makes them suitable to use in heavily urbanized areas. The major disadvantage is the upfront cost. TBMs are expensive to construct, and can be difficult to transport. However, as modern tunnels become longer, the cost of tunnel b oring machines versus drill and blast is actually less—this is because tunnelling with TBMs is much more efficient and results in a shorter project. STEAMBOAT A steamboat is a boat in which the primary method of propulsion is steam power, typically driving propellers or paddlewheels. Steamboats sometimes use the prefix designation SS, S.S. or S/S (for Screw Steamer) or PS (for Paddle Steamer), however these designations are most often used for Steamships. The term steamboat is used to refer to smaller, insular, steam-powered boats working on lakes and rivers, particularly riverboats. As using steam became more reliable, steam power became applied to larger, ocean-going vessels.