Thursday, September 19, 2019

Cloning :: essays research papers fc

Cloning, as of recent years, has become a very controversial issue. Society is firmly divided on the uses and ethics of cloning. Cloning can rang from producing copies of plants and animals to clones of humans and human organs. But cloning can have several positive effects for the well being of society. Cloning plants can have positive effects fo humans. Scientist can clone plants and alter them to produce healthier food. For example, oranges which contain an abundance of Vitamin C, can be altered to include Vitamin D and Calcium, which is found amply in milk. Cloning can also improve the status of hunger-stricken Third World nations. Fruits and vegetables can be cloned to produce large amounts of food without have to worry about growing season, climate, or any other environmental factor. They can also be alterd to be able to be grown in different environments or to produce more food and for a longer period of time. Cloning animals can have several ramifications. Foremost, is the be nfit of humans. This can be done in two ways. First, cloning animals can help us understand the way our cellss divide, multiply and operate. We can also learn how to fix ceratin disorders, thus leading to tests and research in similar human disorders. For example, sheep have a disease of the brain, called Scrapie, that causes tremors, loss of motion, and eventually death. This disease is very similar to the human disease called Parkinson’s disease. Scientists can try to stimulate new brain cells to divide and regrow damaged areas in the sheep brain first and then try similar procedures for humans. Animal cloning can also lead to better production of food. Ranchers can take one cow, the best out of the whole stock, and clone it. This would improve his sales and our health because we are given a healthier product. Endangered animals can also benefit from animal cloning. For instance, instead of doing lab monitored pregnancies and artificial inseminations for endangered animals, scientists can clone several embryos for the healthiest animal of that species. Working the way up the evolutionary scale leads eventually to cloning human organs and ultimately humans. This is the most controversial area of cloning, but despite the controversy, cloning of human organs and also humans can have some positive effects. To illustrate, kidney tissue can be used to grow a healthy kidney for patients with frequent kidney failures. Cloning :: essays research papers fc Cloning, as of recent years, has become a very controversial issue. Society is firmly divided on the uses and ethics of cloning. Cloning can rang from producing copies of plants and animals to clones of humans and human organs. But cloning can have several positive effects for the well being of society. Cloning plants can have positive effects fo humans. Scientist can clone plants and alter them to produce healthier food. For example, oranges which contain an abundance of Vitamin C, can be altered to include Vitamin D and Calcium, which is found amply in milk. Cloning can also improve the status of hunger-stricken Third World nations. Fruits and vegetables can be cloned to produce large amounts of food without have to worry about growing season, climate, or any other environmental factor. They can also be alterd to be able to be grown in different environments or to produce more food and for a longer period of time. Cloning animals can have several ramifications. Foremost, is the be nfit of humans. This can be done in two ways. First, cloning animals can help us understand the way our cellss divide, multiply and operate. We can also learn how to fix ceratin disorders, thus leading to tests and research in similar human disorders. For example, sheep have a disease of the brain, called Scrapie, that causes tremors, loss of motion, and eventually death. This disease is very similar to the human disease called Parkinson’s disease. Scientists can try to stimulate new brain cells to divide and regrow damaged areas in the sheep brain first and then try similar procedures for humans. Animal cloning can also lead to better production of food. Ranchers can take one cow, the best out of the whole stock, and clone it. This would improve his sales and our health because we are given a healthier product. Endangered animals can also benefit from animal cloning. For instance, instead of doing lab monitored pregnancies and artificial inseminations for endangered animals, scientists can clone several embryos for the healthiest animal of that species. Working the way up the evolutionary scale leads eventually to cloning human organs and ultimately humans. This is the most controversial area of cloning, but despite the controversy, cloning of human organs and also humans can have some positive effects. To illustrate, kidney tissue can be used to grow a healthy kidney for patients with frequent kidney failures.

Wednesday, September 18, 2019

Native Americans Essays -- essays research papers fc

People have been living in the Americas for thousands of years. Only fairly recently, the past few hundred years, have foreigners begun to arrive and drastically disrupt the way of life of the aboriginal population. The situation has become so severe that a population that was one believed to be numbered in the millions, was at one point reduced to as few as 220,000 in 1910, and entire tribes have been either irretrievably warped or have disappeared altogether. While Native American Indians have almost completely recovered population-wise, they will never catch up to the rest of the world, and their culture can never fully recuperate. At the time the United States was settled by Europeans, it was abundantly populated by dozens of separate nations with diverse civilizations and cultures. Like other colonized regions, the indigenous people suffered first from the introduction of diseases that were common in the regions that the settlers were from, to which the Indians had no immunity. It is believed that millions died of smallpox, measles, whooping cough, and influenza. Some estimate that such epidemics were responsible for more than 80 million deaths during the early colonial period alone. Although The Indians numbers were never accurately recorded (estimates have ranged from in the low millions to as much as around a hundred million) it is certain that they are far from a complete recovery. For nearly 300 years the population of Native Americans had been declining, since shortly after Columbus arrived in the Western Hemisphere to a while after the civil war. But starting in the beginning of the 20th century the United States census bureau has reported an almost continuous increases in native populations (with some exceptions, notably an influenza epidemic that occurred in 1918). From the 1980’s to the 1990’s there is reported a growth of almost 500,000; from 1,478,523 in 1980 to 1,937,391 in 1990. Despite these promising statistics the population of Native Americans is only a small fraction (0.8 percent) of the hundreds of millions of other inhabitants in the United States. Despite their initial confusion to their situation after the arrival of Europeans, the Native Americans did not take their disenfranchisement from their own land lying down. Native Americans have a long history of "fighting back" against invaders encroaching on the land that ... ... remained of their once vast civilization, Native Americans were beginning to make a recovery. Despite a long history of disease, broken treaties, and constant removal from their own land Native Americans can finally focus within their own society to try to rebuild what they have lost. Although they may never fully recover, Native American Indians are at the best position they have ever been in since their exposure foreign influences. Bibliography Bibliography Zinn, Howard. A Peoples History of The United States. 1980, pp. 124-146. Josephy, Alvin M. The Indian Heritage of America. New York, 1968. Pp. 53, 116. _________. Through Indian Eyes. New York, 1995, Pp. 330-332, 383. Oswalt, Wendell H. This Land Was Theirs: A Study of The North American Indian. 1966, Pp. 399-400. "Indian Images." News report. ________. "First Nations Histories." http://www.tolatsga.org/compacts.html ________. "Top 25 Native American Tribes." US Census Bureau. http://www.census.gov/population/socdemo/race/indian/ailang1.txt (1995) ________. "The Native American Peoples: A History of Genocide." Boabab Press http://www.africa2000.com/bndx/ba0320.htm (2000)

Tuesday, September 17, 2019

With Reference to at Least 2-3 of Amichai’s Poems, Identify the Main Stylistic Elements of His Work and Comment on Their Effectiveness.

With reference to at least 2-3 of Amichai’s poems, identify the main stylistic elements of his work and comment on their effectiveness. The main stylistic elements of the work of Yehuda Amichai greatly reflect the time in which he was writing and the place in which he was located whilst writing. Being born in Germany in 1924 and then living in Israel in the 20th century meant that Amichai was exposed to a turbulent stage in world history as Israel had only just been created as a separate state after World War II and Hitler’s persecution of the Jewish race.At this time politics, war and religion were all at the centre of the world’s attention, and particularly for the Jewish people living in Israel as there was the constant threat of violence from the Arab people in neighbouring Palestine. Throughout his work, Amichai is able to effectively convey the disruption and confusion caused by this conflict by using techniques such as scattered imagery and irregular struc ture.To better understand the effectiveness of the stylistic elements used by Amichai, it is important to look at how he uses these techniques in his works. The first area of focus that is important to understand Amichai’s style is to study where and when each poem is set. With contextual background it seems to be that nearly all of his poems are set in Israel or some sort of similar desert-like place. ‘God Has Pity on Kindergarten Children’ is one of Amichai’s earliest works and it gives a good indication as to the importance of place in his poetry.The importance of place is that in many of his works the setting is very much abstract and sense of a place in which the poem is set appears to change constantly, making the poem more universal and often with religious additions to the poems the setting is taken to a metaphysical, God like, all seeing dimension. In ‘God Has pity on Kindergarten Children’, Amichai changes place from a ‘first-a id station’ to a desert like place as he describes ‘sand’ before moving to a ‘public bench’ and lastly a ‘school’.Then the idea of a metaphysical dimension is introduced with the reference to God and religion suggesting that God is all seeing and is watching over the world from the place in which he is located. The idea of there being another dimension from which God can look down on the world is reiterated in the poem, ‘God’s Hand in the World’ where Amichai asks the question, ‘What does God see through the window while his hands reach into the world? ’ These religious images ink to the creation of a metaphysical place within the poems and they provoke the reader to think about how Amichai see’s religion and how he responds to his own thoughts about God and his faith in general. The religious imagery that is recurring in many of his poems leads the reader to a conclusion that this is one of the ma in themes which much of Amichai’s work is centred around. The next key feature is the focus on time and how this affects the subject of his work whether it is a person, object or place.Amichai uses many ellipses in his work which makes the poems very radical which is mirrored in the constant change of place and the progression in time. In the poem, ‘There Are Candles That Remember’ there are three main measures of time given; the first is ‘twenty-four hours’ which is followed by ‘eight hours’ and then there is a reference to candles that are ‘eternal’. In this poem, Amichai appears to be measuring life, and in particular his life, against the age of Israel which is a very new country in this period.The inclusion of ‘antiquities’ shows another dimension in the time references in the poem as it shows the past, but not the recent past as ‘antiquities’ signifies relics that are possibly thousands of yea rs old. In some of Amichai’s poems there is modulation in tense, ‘God Has Pity on Kindergarten Children’ shows modulation between stanza one and the other two stanzas with the shift from present tense to future tense.There is also modulation in ‘There Are Candles That Remember’ however it is internal modulation in the lines, ‘Late in my life I had a daughter who will be twenty-two in the year 2000. Her name is Emanuella†¦Ã¢â‚¬â„¢ In these two lines the tense changes from past to future to present with the words ‘had’ followed by ‘will’ and ‘is’ which is another way in which Amichai shows the radical and unpredictable nature of his work. Prominent in Amichai’s work is the inclusion of fragmented and scattered imagery and structure.The sudden shifts between subject matter in many stanzas are mirrored by the non-clustered imagery within the poems. ‘There Are Candles That Remember’ has an irregular structure with lots of enjambed lines leaving the poem without a strong structure. The imagery within the poem also contains many non-sequential and strange images such as the ‘candles that remember’ where Amichai has personified the candles, this is then followed by the metaphorical reference to a ‘bowl full of precious liquid’. The images that follow are unrelated to the ones already mentioned, like the imile of the diaspora of old people that are said to be ‘scattered about like antiquities’ and then the comparison to how Amichai’s soul is ‘built like mountain terraces’. This style of scattered and mostly unrelated imagery helps to add to the sense of confusion and chaos in the life that he lives especially in the time in which he is living as the creation of the new country of Israel along with the conflict between the world superpowers meant that the 20th century was a time when tension and war were ever p resent threats to peace.Some of Amichai’s imagery that is used in his work is very graphic and the use of the human body no matter how much or little is prominent in many of the poems. One of the best examples of this use of imagery is the poem, ‘A Pity. We Were Such a Good Invention’ which opens with the image of a surgical procedure as the opening line reads, ‘They amputated your thighs from my hips. ’ The body part imagery makes the poem seem more physical and possibly is an attempt by Amichai to highlight the loss of intimacy with someone that he loved. A Dog After Love’ is a good example of the use of body part imagery as well as an example of the indignation felt by Amichai which is expressed through his poetry. His anger and frustration is usually caused by love, politics and religion, and in the case of ‘A Dog After Love’ it is the loss of love that causes the anger expressed by Amichai. This poem probably shows the most v iolent and graphic response to the loss of love as Amichai writes, ‘I hope it will find you and rip your lovers balls to shreds and bite off his cock’.This image effectively conveys the indignation felt by Amichai in a highly graphic way which makes it more impacting on the reader and therefore it has a greater immediate effect. Overall the main stylistic devices used by Amichai are the scattered imagery, irregular structures, often undefined place and changing times in which the poems are set. Furthermore, his work is always very personal with a great use of the words ‘I’ and ‘my’ in almost all of his poetry.All of these elements help to create very unique poetry that often has an impacting effect on the reader as the individual style of Amichai’s writing makes it necessary for the reader to think carefully about what he is writing about and what emotions he is trying to convey. Personally, I feel that Amichai’s work very effecti vely conveys the emotion felt by the events he is writing about and the personal nature of his work sometimes provokes sympathy, sadness, happiness or disdain which is a sign of an effective style of writing.

Monday, September 16, 2019

Masque Of The Red Death English Literature Essay

Death is Inevitable: How â€Å" The Masque of the Red Death † Illustrates the Inevitability of Death. â€Å" The Masque of the Red Death, † written by Edgar Allan Poe in 1845, displays a certain subject about the irrevocability of decease. The narrative follows Prince Prospero as he tries to utilize his wealth and power to evade a deathly pestilence by concealing off in an abbey with a 1000 other invitees ; nevertheless, Death is the vanquisher of this narrative as the narrative concludes with the decease of Prince Prospero and all of the invitees. In â€Å" The Masque of the Red Death, † Poe describes a subject that decease is ineluctable as can be seen in the storyteller, the sarcasm of the secret plan itself, and the huge sum of symbolism in the narrative. The storyteller adds to the subject of the narrative because the storyteller in â€Å" The Masque of the Red Death † is Death itself because of the incompatibilities planted by the writer in individual, tense, and chronology throughout the narrative. The beginning of â€Å" The Masque of the Red Death † is written in 3rd individual ; yet, in three topographic points in the narrative, the narrative is in first-person, proposing that the narrative is really a storyteller, a character in the narrative. The following beginning of grounds is the difference in tense in the narrative. In the narrative, the tense of the narrative displacements from past to show. The significance of the tense displacement suggests non merely that the storyteller was present during the events of the narrative but besides that the storyteller survived the event in order to state the narrative. The 3rd piece of grounds alludes to the thought of Death as the storyteller is in the chronology of the n arrative. The narrative is evidently written during the clip of feudal system and aristocracy ; nevertheless, in the narrative, the storyteller mentions Hernani, a 19th century work by writer Victor Hugo. By utilizing this mention, Poe is stating that the storyteller was non merely present at this event, perchance in the Middle Ages but besides lived through the 19th century. The clip difference placed by Poe spans 100s of old ages, touching to the thought that the storyteller must be person or something that has existed 100s of old ages. Because Poe creates incompatibilities that do non adhere to a individual type of storyteller or narrative, Death itself becomes a really plausible pick for the storyteller. The fact that Death is the storyteller of the narrative merely builds up and intensifies the overall subject of the narrative that decease is ineluctable. Since Death is a plausible the storyteller of the secret plan, the following subscriber to the overall subject of the narrative is the sense of sarcasm found in the secret plan of the narrative. In the narrative, Prospero has a rubric of aristocracy ; nevertheless when word of the Red Death comes, Prospero flees, go forthing the outside universe to â€Å" take attention of itself † ( 231 ) . Prospero is irresponsible in the eyes of the reader, because he does non care about any of the topics underneath him but considers his ain life and the lives of his friends to be indispensable. The sarcasm of the secret plan is seen in the condescension of Prince Prospero because he genuinely believes that his wealth and place in the universe will let to get away decease. The sarcasm of the narrative is rooted in this thought that decease can be cheated because of money and power Throughout the class of the narrative, the Prince holds to this thought that he is above decease ; nevertheless , in the terminal of the narrative, allegorically, Death overcomes. The irresponsibleness of Prospero becomes dry because locking themselves in this monolithic abbey in an effort to get away the disease is what seals their destiny in the terminal of the narrative. The abbey as described by the writer, â€Å" A strong and exalted wall girdled it in. This wall had Gatess of Fe. The courtiers, holding entered, brought furnaces and massy cocks and welded the bolts. They resolved to go forth agencies neither of immersion nor egressaˆÂ ¦ † ( 231 ) . When Death comes for them at the terminal of the narrative, it is by their ain making that they are trapped in this monolithic abbey, their lone pick, to eventually accept the call of Death. While the function of the storyteller and the sarcasm found in the secret plan attention deficit disorder to the subject, the chief subscriber to the subject of â€Å" The Masque of the Red Death † is the multiple histories of symbolism given in the narrative. The symbolism of the narrative is largely seen in two elements of the narrative: the decor of the abbey and the coal black clock. The decor of the abbey is described for the reader in much item, for a ground. The abbey is set up of seven suites from E to West and are arranged in a colour form of blue, purple, green, orange, white, violet, and the last room is black. The different colourss of the suites are symbolic of the human life rhythm. The colourss can be â€Å" read † from east to west because the E is symbolic of get downing while the West is symbolic of stoping, like the rhythm of the Sun. The bluish represents birth, the beginning. The purple can be viewed as development because the beginning ( bluish ) h as been mixed with life ( ruddy ) . The green suggests life every bit good, but more in the sense of growing or young person. The orange represents the extremum of life, when the Sun is at its highest. The white alludes to the thought of aging. Violet is much darker than the other colourss, because it represents the slow decay of life. Finally, the black room represents decease. Throughout the narrative, the invitees ne'er enter into the black room because they fear decease. The symbolism of the colourss of the room is besides found in the flood tide of the narrative. Prince Prospero chases ruddy decease from the bluish room and stoping with his decease in the black room, stand foring the stoping of a life. The invitees all run into the black room to uncloak ruddy decease, and they all die. Besides in the black room, the large coal black clock is found. The large coal black clock is besides a symbol associated with decease. However, the clock does non intend decease straight. The cl ock represents the thought that even though the invitees are â€Å" rip offing † decease clip still goes on. Time does non halt for the invitees, and the invitees know that they excessively will decease no affair what they do. This idea is represented in the narrative because every clip the coal black clock bells signaling the hr, all the invitees stop their gallivanting and partying and go soundless, as if frozen. The coal black clock is a changeless reminder to the invitees of the Prince that they will non get the better of decease, but merely that their life has one less hr. The symbolism of the coal black clock and the decor of the abbey are a major subscriber to the thought that decease is ineluctable. Edgar Allan Poe uses his command of composing to convey the thought that Death is grim in â€Å" The Masque of the Red Death. † This cardinal overall subject that decease is ineluctable can be seen in the storyteller, Death itself, in the dry nature of the secret plan, and most blatantly in the huge sum of symbolism scattered throughout the narrative. Death is inevitable for everyone: no sum of money or power can change this natural order. Work Cited Poe, Edgar Allan. â€Å" The Masque of the Red Death. † Introduction to Literature. 1st erectile dysfunction. Boston: Pearson, 2011. 231-6. Print.

Sunday, September 15, 2019

Allowing Students to Bring Mobile Phones to School Essay

In today’s generation, mobile phones have been a necessity in everyone everyday lives. Many teenagers today describe their mobile phones as their â€Å"life†. Technology nowadays increasingly sophisticated makes all information is just at our fingertips. So, the question arose whether mobile phones should be allowed during school sessions? What are the effects of it? Some people support this proposal because they felt that mobile phones can help students at the school. While some others felt that it will increase social problems among students. As for my opinion, there are two pros allowing students to bring mobile phones to the school, which is act as convenient communication tool and learning aids, and one con which is increasing in criminal cases. With the development of technology, each purpose of usage has its own pros and cons. There are some advantages of allowing students to bring mobile phones to school which is act as convenient communication tool and learning aids. Firstly, as a communication tool, students can use mobile phones to keep in touch with their parents or friends while they are still at school. As a small tool, mobile phones are very convenient to the students to carry it around the school in their pocket or bag. Moreover, students can use mobile phones as an emergency aid. As we know nowadays that there are lots of illegal activities such as bully and theft that has already plagued school. So, by allowing students to bring mobile phones to school, students can use it to contact authorities if they are in danger during school hour. Besides that, mobile phones can also be used as learning aids at school. As stated above, the technology of mobile phones nowadays is very advance and sophisticated. Thus, students can used this technology to aid them and look for information about knowledge in the faster ways. There are lots of functions or application such as calculator, maps, internet, dictionaries, notes, and calendars that can assist students in their learning process at school. That’s why Deputy Education Minister, Datuk Dr Wee Ka Siong said that in 2013, students will be allowed to bring mobile phones and IT gadgets to school after the rules and regulations under the Education Act 1996 are  amended. It is suggested like that because the government has foreseen how mobile phone can aid students to gain more and faster knowledge during school hour. Read more:  Essay on Heavy School Bags However, every development there is also con when bring a mobile phones to school, which is increasing in criminal cases. Some examples of criminal cases that occur in the school are theft, bullying and cheating. First of all is theft cases, there are good chances of phone theft when students bring an expensive and attractive mobile phones to school. In fact, Datin Noor Azimah (The Star Online, 2012) said â€Å"When there is a theft, time would be spent and wasted while trying to look for the culprit and this would likely disrupt classes†. So, it is best to leave them at home to prevent this problem from occur. As well as bullying, this is the form of cyber-bullying that has replaced the physical bullying and makes the school environment unsafe for many students. This is because, mobile phones nowadays have a built-in digital camera, and there is a distinct possibility that some students may take unflattering pictures, send incriminating videos, or utter threatening. Therefore, the use of mobile phones can be quickly turned into tools of corruption. Apart from it there is increasing in cheating cases. Mobile phones that can surf the Web and have application such as advance calculator or camera can facilitate cheating on tests, quizzes, in-class essays and other assignments. For example, an article titled â€Å"Students Called on SMS Cheating† proves that cheating is present inside the classroom, and allowing cell phones inside the classroom puts a teacher’s classroom management at risk. As a result, it will give a lot of trouble to school. To conclude, we can see that allowing students to bring mobile phones to school will be beneficial to them. Even though, mobile phones can be used as a communication tool and learning aids, still the disadvantages such as increase in criminal cases will give more impact to student’s life and that cannot be overlooked. REFERENCE Bernama (2012, July 17). PTA: No mobile phones to school, please! The Star. Retrieved from http://thestar.com.my/news/story.asp?file=/2012/7/17/nation/20120717222415&sec=nation Culture: Education. (2003, January 30). Students called on SMS cheating. Retrieved from http://www.wired.com/culture/education/news/2003/01/57484 Loo T. E. (2012, July 16). Students can take handphones, IT gadgets to school from 2013. The Star. Retrieved from http://thestar.com.my/news/story.asp?file=/2012/7/17/nation/20120717222415&sec=nation

Saturday, September 14, 2019

Unmanned Aerial Vehicles: Application and Human Factor

Unmanned aerial vehicle, or UAV, is one of the latest aircrafts recently being utilized by the United States Military. Its conception has provided Air Force pilots with assurances of safe return after a combat mission, a feat never before attained in warfare’s history. Since its invention in the 1920’s, several technological advances have been made; extending flight distance and duration capabilities, and pay loading armaments comparable to those of manned fighter jets. Since UAVs are usually controlled by an external pilot on Ground Control Stations, or GCS, it is unavoidable for this system to be faced with human factors, sometimes resulting in mission failures, at times even in aircraft crashes. Unmanned Aerial Vehicles: Applications and Human Factor Recent technology has introduced to us a new form of aircraft in aviation. Perhaps due to the increasing incidents of aircraft accidents during these past decades, which often resulted in the deaths of even the most experienced pilots, airline conglomerates and military authorities had painstakingly searched for the completion of the invention of Unmanned Aircraft Vehicles, or UAV. In this paper, we shall be witnesses to a technology that has the potential to virtually eliminate pilot casualties, whether in war, espionage missions, or even in commercial flights. We shall also see how human factors affect such technology, in terms of control and manipulation of the aircraft, and the causal possibilities of human error in accidents. Background The United States’ Department of Defense defines the UAV as, â€Å"powered aerial vehicles that do not carry a human operator, use aerodynamic forces to provide vehicle lift, and can fly autonomously or be piloted remotely† (Bone, 2003, p. 2). United States’ war on terrorism has put UAVs missions as important in the gathering of intelligence data. Its unquestionable successes in the wars in Iraq, Kosovo, and Afghanistan had opened the military minds on its advantages during wartime. Missions that used to be reserved for Air force top guns, now the UAVs are slowly taking the front seat. UAVs have two obvious advantages over manned aircrafts: first is, they are found to be cost efficient; and it eliminates the dangers faced by the pilots’ during missions (Bone, 2003, p2). Bone cites a number of reasons on the seeming delay of the technology of UAV. One is because the technology to effectively fly a UAV mission has only recently been made available. Another is due to the Air Force’s slowly fading silk scarf syndrome, which gave preference to manned over unmanned flight missions, thus allowing for the UAV to gain more flight hours. Yet another is due to the earlier absence of a global crisis, which could have allowed for a quicker invention of the UAV due to the extreme shortage in the U. S. military of an espionage aircraft (2003, p. 5). UAVs size varies from a few centimeters in length to that of a 747 jet liner. U. S. Department of Defense currently has in its possession five types of UAVs: The Predator and Global Hawk of the Air Force; the Pioneer by the Navy and the Marines; the Hunter and the Shadow by the Army (Bone, 2003, p2). Despite the notion that UAVs have only recently been developed in the United States, it has been in existence in aviation for almost a century. UAVs were first tested in 1920, during World Wa r 1, but the United States did not put it into combat action. It was Germany who had laid the foundations on this technology during World War 2, with the invention of the V-1 Flying bomb. But it was to be in the Vietnam War that UAVs were first used as an espionage plane, with AQM-34 Firebee. Firebee epitomized what the UAV should be: versatile, easy to operate, transportable to other areas, and can easily be converted to payload missiles. In a speech by former President Bush in December of 2001, he had expressed his belief in the UAVs technology, particularly The Predator, as the future of warfare; as stated in a report to the American Congress in 2003 by Elizabeth Bone: This unmanned aerial vehicle is able to circle our enemy forces, gather intelligence, transmit information instantly back to commanders, then fire on targets with extreme accuracy†¦We’re entering an era where unmanned vehicles of all kinds will take on greater importance† (p. 7). U. S. Military U. A. V. s 1. MQ-1 Predator: It is about half the size of an F-16 fighter jet, a tail shaped like an inverted V, and is 27 feet in length and 7 feet high. It reaches a maximum altitude of 25, 000 feet, but for the fitted video cameras to work at its best, it needs to be at about 10,000 to 15,000 feet in altitude. Its take off and landing capabilities are similar to that of the normal aircraft, with the pilot on ground control. The Predator’s main job is airborne reconnaissance and accurate target pinpointing. It is equipped with a Synthetic Aperture Radar, or SAR, enabling it to see through bad weather conditions. Newer models also have capabilities to launch smaller UAVs to carry out varying missions. Each Predator unit’s estimated cost is $4. 5 million, and $30 million for the whole system (Bone, 2003, p. 25). 2. RQ-2 Pioneer: This UAV is the only type on the Navy’s and Marine’s arsenal (Bone, 2003, p. 29). It was obtained by the U. S. Navy in 1986 from Israel after proving its worth with their war with Lebanon. RQ-2 Pioneer is about half the size of the Predator, at 14 feet in length, and its maximum attainable altitude is 15,000 feet. It can remain airborne for 5 hours straight, and since its acquisition, it has accumulated over 23,000 flight hours giving suppo rt to the Navy and the Marines. The cost of Pioneer is estimated at $250,000 to $1 million, depending on the payload (Bone, 2003, p. 30). 3. RQ-5 Hunter: The Hunter weighs 1,600 lbs, is capable of flying at 25,000 feet altitude, and can stay airborne for 12 hours straight. It is equipped with E-O/IR sensor which enables it to fly in night missions. Recently, plans have been made to use Hunter to act as a reconnaissance to a squadron of attack helicopters, such as the Apache and RAH-66 Comanche, to maximize the helicopters’ attack zone. In 2002, a successful experiment was made wherein Hunter’s control was linked to the mainframe computers of the Apache’s during flight missions. The success of the experiment greatly maximized Apache’s efficiency during battle conditions. Weapons payload includes the Brilliant Anti-Armor submunition, or BAT, an effective annihilator of tanks and armored personnel carriers. Hunter’s cost with payload is $1. 2 million, ad the whole system at $30 million (Bone, 2003, p. 33). 4. RQ-7 Shadow 200: Shadow 200, a product of AAI Corporation, is 11 feet in length and has a wingspan of 13 feet. It was strategically designed for brigade operations, thus its range is only 30 nm and has a flight duration of 4 hours. And although its maximum attainable altitude is 14,000 feet, it works best at only under 8,000 feet altitude. The Shadow is equipped with an E-O/IR sensor video camera for day or night missions, and has the capability to transmit data to ground control in real-time. The Shadow cost is pegged at $350,000 while the whole system is at $10. 7 million (Bone, 2003, p. 36). 5. FQM-151 Pointer: All the branches of the U. S. military have, in the past, tried to develop their own type of hand-launched Pointer that measures around 6 feet in the last 15 years, and some of them had been on war missions, particularly in gulf War and Dessert Storm. However, the design officially approved by the Military is the AeroVironment’s Pointer UAV, which weighs 10 pounds, and has a wingspan of 9 feet. It can stay afloat for 90 minutes and has an up to 3-mile operational distance from ground control, within altitudes of 100-300 feet. Pointer UAVs have been best-suited for pay loading experimental miniscule sensors and have been a popular choice for Drug Enforcement Agency, National Guard, and Special Operations Forces (Bone, 2003, p. 37). 5. RQ-4 Global Hawk: This UAV is by far the most expensive ever produced, with per unit cost amounting to $75 million (Bone, 2003, p. 39). It specializes in high altitude, long duration flights that provides near real-time videos of large geographical sections. It is also the first ever UAV to make a successful trans-Pacific flight, when it travelled from California to Australia in April 22-23, of 2001 (Bone, 2003, p. 37). Its effectivity was tested in Afghanistan, when it flew more than 50 combat missions accumulating more than 1,000 combat hours, despite still being on its experimental stage. Global hawk is about the size of a corporate jet, measuring 44 feet in length and weighing 26, 750 lbs. Its maximum altitude limit is almost double than that of a commercial liner, at 65,000 feet, and is capable of flying over 35 hours without refueling. However, Global Hawk’s most apparent advantage is its capability of taking off, flying, and landing autonomously in any kind of weather. Commanders in the battle field aptly call this UAV as, â€Å"the theater commander’s around-the-clock, low hanging surveillance satellite† (Bone, 2003, p. 38). Global Hawk’s pay load consists of a 2,000 pound group of sensors, which is much larger than on any of the previous UAVs. it includes an all weather SAR with a Moving Target Indicator capability, E-O digital camera, IR sensor, and a Signals Intelligence Sensor, or SIGINT, making it a virtually multi-intelligence UAV (Bone, 2003, p. 8). As a testament to its technological superiority, Global Hawk’s radar-sensors and IR cameras were able to accurately pinpoint Iraqi targets in March 24-27, of 2002, despite of having a near-zero visibility on the ground due to a relentless sandstorm in Iraq. 6. Unmanned Combat Air Vehicle: UCAV is the first ever unmanned aero-system designed primarily and purely for combat missions. It is similar in size to the Air Force’s Predator, at 27 feet in length and a wingspan of 34 feet. Equal to manned fighter jets in weaponry and stealth capabilities, the U. S. Armed Forces plan on having one-third of its deep-strike fighter jets be unmanned by the year 2010 (Bone, 2003, p. 42). Due to its 1,000 to 3,000 pound-weapons payload, UCAV’s primary combat mission would be SEAD, or Suppression of Enemy Air Defense, to be followed by precision targeting of enemy installations. 7. Vertical Takeoff and Landing Tactical UAV: Commonly known as VTUAV Fire Scout, it is a helicopter-looking design intended as a replacement for the Pioneer. It is about 23 feet in length, with a maximum altitude of 20,000 feet and maximum flight duration of 6 hours. Its maximum distance of operations is 110 nm from the control ship and has a speed of 115 knots (Bone, 2003, p. 43). UTUAV Fire Scout, unlike the Pioneer which utilizes a net in order to be recovered in a ship, ha the capability of autonomously taking off and landing through the use of sensors. Fire Scout is an unmanned equivalent of the commercial-use Schweitzer helicopter, it ahs an E-O/IR sensor that also serves as a laser targeting designator. It is also capable of mine-detecting, and is equipped with Hellfire missiles. Fire Scouts are being utilized in special operations support and homeland security services (Bone, 2009, p. 4). 8. Dragon Eye: it is the opposite of the Global Hawk in terms of range and size. Being a 5-pounder, with just a 45 inch wingspan UAV, the Dragon Eye can provide marines with over-the-hill surveillance of enemy troops, making it an ideal UAV for urban warfare, chemical, as well as biological-oriented missions. It is portable enough to fit in a backpack and can be launched by hand or with a bungee cord. This UAV can stay aloft for 1 hour, at a height of 300-500 feet, with speeds of up to 40 mph. Because of its small frame, its production cost which includes three planes, is only at $90,000 (Bone, 2003, p. 7). 9. Dragon Warrior: Resembling a small helicopter of about 105 inches long and flight range of 50 miles, and maximum duration of 3 hours, this will be a vertical take off and landing UAV designed for surveillance in urban areas. It will also be equipped with E-O/IR sensor camera and a laser target designator. 10. A-160 Hummingbird: The Hummingbird is also an unmanned helicopter designed to have longer flight duration and distance over the other models, with a range of 2,000 nm and a duration lasting for 48 hours, respectively. With its maximum flight altitude of 30,000 feet and a speed of 130-140kt, it will greatly assist in surveillance, targeting thru laser designation, communications relaying, weapons delivery to infantries, and special operations missions (Bone, 2003, p. 49). 11. Scan Eagle: Boeing’s UAV can be optionally launched from a ship, on land, or even from a submarine. The idea if to have a horde of 4-foot UAVs linked directly on a submarine for reconnaissance purposes. 12. Eagle Eye: This type of UAV takes off like a helicopter, and then flips its rotor blades to fly like an airplane. Its speed is up to 220 knots and has a distance of 300 miles. This type of UAV is suited for patrolling the coastline, locating ships in distress, and also has the capability to transmit videos to command centers. Production cost for the Eagle eye is at $3 million per plane (Bone, 2003, p. 50). 13. Micro Air Vehicle, MAV: unlike the UAVs, MAV is only inches in length, and production costs would be in the thousands and not in millions. As an example, the Organic Air Vehicle, or OAV, measures only 9 inches wide. It has a ducted fan design, and carries an E-O sensor, which comes in infrared or acoustic models. Because of its very small size, MAVs can be programmed for watch-and-stare missions on enemy troops while on air, and also while on land. These MAVs can autonomously lift off and land on itself. Modifications have also been done, resulting in the advent of UCAR, or Unmanned Combat Armed Rotorcraft. These will have the capability as a reconnaissance to ground troops, as well as offensive purposes. It will also be capable of system-linking with other manned and UAVs for performing synchronized attacks (Bone, 2003, p. 51). Human Factor in UAV Flights Since unmanned flights have slowly been gaining popularity in both military and commercial uses, perhaps it will be sooner than we expect for UAVs to replace manned flights permanently. It would be wise for us to give insights on issues concerning cognitive factors affecting the pilots, especially since accident occurrences in UAV flights have been proven to be over thirty times more common than in manned aircraft flights (McCarley & Wickens, 2005, p. 2). It is also possible for UAV pilots to be manning more than one aircraft simultaneously, entailing never-before-encountered workload pressures. Manual v Automated Flights 1. It has been widely accepted that the effect of automation has not resulted in the elimination of human workload but the introduction of new ones, forcing the pilots to develop new strategies (McCarley & Wickens, 2005, p. 4). The changing of strategies is often the result descriptive of an imperfect system, not of the computer software type, but of the factors that even a perfectly-running automation system would not be able to detect, such as the icing of an UAV wing. 2. The present UAV take off and landing automated procedures differ according to the model. Such that the Hunter and the Pioneer require an on-site external pilot; the Predator to be controlled on a separate aircraft within the Ground Control Site; while there are some cases, as in Global Hawk, where full automation is integrated. These differences seem to be significant, take off and landing errors make up for a majority of accidents attributed to human factors; Hunter with 67% and the Pioneer with 78%, both are externally controlled (McCarley & Wickens, 2005, p. ). 3. An external pilot of a UAV basically relies on computer imagery in controlling the aircraft. The visual quality of the imagery, however, has the possibility of being diminished due to factors affecting bandwidth, resulting in poor resolution or a delay in image uploading. Situations such as these may prejudice overall aircraft control and visibility of air traffic. This poses a clear danger in military missions, more so in the planned commercial implementation of autonomic control of commercial flights. 4. On way of solving the problem stated in #3 is by the use of enhanced reality, or synthetic vision (McCarley & Wickens, 2005, p. 7). In this system, images from the actual camera shots of a UAV will be converted to display landmarks on a given terrain, thus creating a virtual reality world that the external pilot can manipulate. The problem with this system is that pilot’s over reliance on synthetic imagery would lead to a possible neglect of some natural landmarks not visible in the imagery system. Thus, using this method would be beneficial for the UAV performance but comes with a potential risk. . One of the resulting effects of separating the pilot from the aircraft is that the pilot would be denied of his real-time sensory reactions otherwise available in a manned aircraft, and that he would have to rely on computer monitors provided for by the cameras onboard the UAV. Hence, we can conclude that the external pilot only functions in a relatively sensory isolation from t he UAV he is controlling. It would be of utmost importance for the developers to design an alarms system to keep the pilots abreast of the real-time environmental situations and probable system failures. . Since UAV pilots are not in danger of injury or death in the event of their aircraft crashing, this could, in theory, prove to be a big difference in the pilot’s risk-taking decisions, such as in going through a flight plan on a bad weather. Sensory isolation factor could be magnified during these situations (McCarley & Wickens, 2005, p. 10). 7. The accepted norm during long endurance UAV flights had been to switch control among different external pilots within a single flight. This process usually takes on three types: First is the transfer of UAV control from one Ground Control Station to another; second is through the transfer of control from one team of operators to another, within the same GCS; and last is through the transfer of control from one pilot to another within the same team. It has been documented that a significant number of UAV accidents happened during the transfer from one pilot to another, because the GCS taking over control of the UAV was not properly briefed beforehand (McCarley & Wickens, 2005, p. 0). 8. Instances of a total failure of the Ground Control Station-UAV communications link would prove to be disastrous. This scenario can be considered as a human factor because of the need for the Automated Traffic Center, or ATM, to be aware of the default programs of the UAV system in order to properly manage air traffic within their area. It would also be of the utmost importance for the external pilots themselves to be aware of the comm unications link failure as quickly as possible. 9. Researches on whether experienced manned pilots are better operators than novice manned pilots have ended in differing conclusions. Although generally, as the experiments revealed, experienced manned pilots reached the desired level of performance in landing and basic maneuvering skills faster than that of the novice’s. Other studies, however, based on the Army’s Job Assessment Software System, or JASS, revealed that piloting skills does not constitute a great deal in UAV operations, thus making the selection of top pilots as UAV operators insignificant (McCarley, & Wickens, 2005, p. 3). 10. Questions on medical qualifications of the UAV operator should also be brought into light. Since physical factors concerning high altitude temporary mental perception failure does not concern AUV pilots, still some type of medical fitness qualifications must be practiced. These must be able to determine if: the said qualifications should be more stringent or less for the UAV pilo ts; and, work duration limits should be established for long endurance missions. 11. Since the pressures and work load of a UAV pilot differs from that of a manned aircraft, and since formal training in flight schools are usually focused on instructing pilots for manned vehicles, which constitute less amount of time on simulations and more on the actual flight, the need arises for a training more attuned to giving more flight simulations to pilots of UAVs. This should be able to determine up to what extent trainee pilots should spend time on simulations in order to obtain a UAV certification. 12. Technological researches must be made to improve on the controls of the external pilot. At present, the controls of the UAV are similar to that of a radio-controlled hobbyist’s plane. This design poses a problem in the directional movement of the UAV with respect to the controller. As such, when the UAV and the pilot differ in position by 180 degrees, a rightward movement on the rudder will result in leftward movement of the UAV, and vice versa. Control rudders must be made to conform to the principle of human motion compatibility as to avoid further confusion for the pilot (McCarley & Wickens, 2005, p. 6).

Personality and state of mind Essay

The use of knowledge in Victor’s character is magnified in the monster – they need to know more and have a thirst to succeed.  In other ways, the two individuals are inversions of each other. Victor is described by Walton as being young and handsome; an intelligent man, with a good personality and state of mind. The monster, however, as explained in a quote above, has the physical appearance of being ugly, inhuman and beastly, certainly a quality common in an evil doppelnger. Victor seems to be, from his narrative, arrogant, selfish and antisocial, whereas the monster is selfless with a want to be sociable. For this reason, it could be possible to presume Victor as the monster’s doppelgnger instead of the other way around. After all, Victor does not have the courage to acknowledge his mistakes, when the monster openly accuses himself and accepts that he has done wrong.  Ã¢â‚¬Å"I am alone, and miserable; man will not associate with me; but one as deformed and horrible as myself would not deny herself to me. My companion must be of the same species, and have the same defects. This being you must create.† MONSTER â€Å"You must create a female for me, with whom I can live in the interchange of those sympathies necessary for my being. This you alone can do; and I demand it of you as a right which you must not refuse to concede.†Ã‚  Ã¢â‚¬Å"I returned home, and entering the house, presented myself to the family. My haggard and wild appearance awoke intense alarm †¦ I had no right to claim their sympathies.† These three quotes from the monster and Victor’s narratives give more information concerning the two characters.  Victor is surprised when he hears the monster is not an evil being, craving for the destruction of anything in his path, but a tender human. The fact that the monster is miserable is Victor’s fault. He created the monster with his deformities without thinking of the consequences and he rejected him. Victor denies any tie with his creation, so saying that a mate of the same species would not deny herself to the monster could be tactical blackmail in order to persuade Victor to honour his request. Up until the conclusion of the story, Victor says nothing of his flaws, yet the first time the monster is able to speak; he acknowledges that he has faults, physically and mentally, as we all do. The parent/child relationship between them is reversed at this stage because the monster is ordering Victor to grant his request, although by asking this, he is being selfish, who is to say that his created companion will want to love him and be with him? This is a quality that is seen in Victor from the beginning. The monster has ideas about what love is and what is should be, taken from the DeLaceys – even though they are in poverty, they love each other and are happy. In fact, loneliness is not necessarily implied when a person is alone, but loneliness can breed in large groups of people. The monster, even though he is demanding of Victor, is pleading for help and does not have the power to give himself what he thinks he needs to be happy. He has no one else to turn to. Shelley uses a number of double negatives, such as in the second quote above; â€Å"you must not refuse to concede†; which could stand for the monster and Victor.  During the third quote, Victor is experiencing what it is like to be the monster. Because of his appearance, he does not deserve sympathy or any sort of compassion. Does this make Victor a more terrible person that the monster? So far, I have only explored the reasons for Frankenstein being the monster. What I have written has no relevance what so ever to the 21st century, or does it?  Victor, in a late piece of his narrative, refers twice to the consequences of his actions and how his scientific discoveries would affect the future.  Ã¢â‚¬Å"A race of devils would be propagated upon the earth, who might make the very existence of the species of man a condition precarious and full of terror. Had I a right, for my own benefit, to inflict this curse upon further generations?† VICTOR This links very closely with designer babies. By this time, Victor has lost all previously earned sympathy for the monster and seems to have learned from his previous mistakes.  Ã¢â‚¬Å"I shuddered to think that future ages might curse me as their pest, whose selfishness had not hesitated to buy its own piece at the price, perhaps, of the existence of the whole human race.† This is the first section of the novel in which Victor has taken some responsibility for his careless behaviour. This can also be contrasted with Victors hopes and dreams of fame as a young man venturing into the world of science.  Frankenstein wanted to create something perfect – elite – something that could take over the world, which is linked to designer babies. ‘Designer babies’ is an issue that we are being faced with now in our society. Questions raised against the notion include: Is it moral? Are we playing God? Is if fair? How far are we prepared to go? What are the constraints of science? Where is the diversity of human spirit? Does it reflect fascism?  However, there are also people who believe in the thought, promoting questions like: Why not move forward with technology? How do we know what will happen if we don’t find out? What is wrong with bringing happiness into people’s lives? Who are we to say stop?  We have no answers to the questions being asked, but overall, there seems to be a negative opinion concerning the concept. People argue that children born under these circumstances could be discriminated against. There is also unfairness involved, because such procedures cost money, although, it could allow couples to have a child when otherwise they may not have been able to. Unfortunately, this takes money away from other sectors of public and private healthcare, for example, cancer research.  Cloning could bring the physicality of a person back to life, which is exactly what Victor did.  The same kinds of questions are raised with cloning as with designer babies: Is it ethical? What is the reason for it? Is it natural? What is to stop an elite force being created?