Development of Gothic Architecture in Relationship to Medieval Society

The Middle Ages covered a thousand year span. The period began after the schism of the fifth century in which the Roman empire was split into east and west. It continued until the start of the Protestant Reformation in the sixteenth century. The medieval period was notable for the origins and development of Gothic architecture. Because there was so much upheaval during the Middle Ages, the one constant was the Church. At that time the only denomination was Catholic.The Church was usually the largest structure in the medieval environment and was a main gathering place in which a variety of functions (which today would be provided by civic  buildings), occurred. (The Middle Ages, 1). Since the holy Catholic Church had already been a powerful institution at the conclusion of the Roman Empire, it continued to be the unifying force among the many small kingdoms that would develop into Europe. Replete with its own laws and large coffers, it wielded much influence during this time ( Enter the Middle Ages, 1).In addition, it had kept much from the ruins of the ancient world and became one of the centers of learning during during the Middle Ages. Not only did the Church preserve much of classical Latin knowledge, but it also maintained the art of writing.The cathedrals developed learning specialties such as rhetoric or logic in schools named cathedral schools. (Middle Ages, Learners. Org, 1). Whether one’s station was that of lowly peasant or of noble lord, the Church touched everyone’s life. Rank or class did not matter. Within towns , with the exception of a small amount of Jews, everyone in Europe was Christian. However, beyond the core areas of western Europe, there remained many people with little or no contact with either Christianity or classical culture.Outside the deurbanized remnants of cities the power of the central government was greatly  lessened and governmental authority was delegated to local lords who supported themselves directly fro m the territories over which they held power. This was the beginning of the feudal system ( Enter the Middle Ages, 1). For safety and defense people in the Middle Ages formed small communities around a central lord or master, living on a manor , which consisted of the castle, the church, the village, and outlying farmland. In exchange for living on his land, the lord gave protection to his serfs. Manors were isolated with occasional visits from peddlers, pilgrims on their way to the Crusades, or soldiers from other fiefdoms.  (Sobol, 22).Bishops, who were frequently wealthy, and came from noble families, ruled over a group of parishes called a diocese. Parish priests, however, came from humbler backgrounds and often had little education. The village priest tended the poor and sick, and if he was capable, taught Latin and the Bible to the youth of the village. (Enter the Middle Ages, 2). Medieval cathedrals sometimes functioned as marketplaces with the different portals of the mark etplaces containing sellers with their produce: items such as textiles might be at one end, while fuel, vegetables, and meat at another. Sometimes the clergy tried to put a  stop to the marketers. They tried to block access to the cathedral. But it was in vain.The sellers were not taxed on the items they sold inside the church; while the items they sold outside were. (Chartres, 1). The Church was all in all during medieval times. From the moment of its baptism a few days after birth, a child began its life of service to the Lord and to His Church. As the child developed , it would be taught basic prayers- and unless ill- would go to church every week. Every person was required to pay heavy taxes to support the Church.The reward for this was being shown the way to everlasting life and  happiness- a great trade off for lives that were often short and difficult. In addition to collecting taxes, the Church also granted special favors for people who wanted assurance of a place in hea ven. Gifts in the form of land, crops, flocks, and even serfs scrambled into the coffers. All this largess allowed the Church to become very powerful. As a result, it often employed this power to influence kinds and do as they wanted. (Enter the Middle Ages, 2). The power continued with the Pope who was considered to be God’s representative on earth. If someone went against the Church, the Pope could excommunicate them.This meant that the person could not attend any more church services or receive the sacrament, thus ensuring that they would go straight to hell when they died. At a time when everyone believed in heaven and hell, and all belonged to the Church, this excommunication was an unbearable horror. (Ibid, 2). The population increased throughout the Middle Ages. As it expanded in the 12th century, the type of church that had previously been used for worship; the ones built in the Roman or Romanesque style, with round arched roofs, became too small. Some of the grand ca thedrals became maxed to their structural limits.Although they built more mightily, going ever higher and larger, it appeared to be too much and these grander edifices collapsed within a century or less of their construction ( Enter the Middle Ages, 3). Enter a man who was about to change the style of these Middle Age churches and with it, bring forth a whole new field of architecture- gothic. Abbe Suger had been affiliated with the Church of Saint Denis in Paris for a good part of his life. The building needed repairs, so he took on the reconstruction, bringing in the finest of workers from the Low countries and from Italy.For his inspiration, Abbe Suger  looked to Canterbury Cathedral. Pilgrimages had been an important part of religious life in the Middle Ages as people journeyed to visit religious shrines. Suger particularly admired Canterbury Cathedral for its stained glass windows. Desirous of creating a physical representation of the the Heavenly Jerusalem, Suger aimed for a place of light that would speak of the positive aspects of the religious life: Redemption as opposed to the hellfire and damnation that was constantly being sermonized in the dark and dank Romanesque churches.Suger conceived of the idea â€Å"lux continua† – this theory would transform his church into one of  radiance and splendor, magnifying the spirit. He and his team gave themselves to the reconstruction of the church. After a four year renovation, the choir was completed in 1144. In a magnificent ceremony, complete with King Louis VI and Eleanor, and other notables, the church was dedicated to the Lord. With its thin columns, stained glass windows, and a sense of verticality, the choir of Saint Denis originated the elements that would be developed further during the Gothic period. Now architects were able to expand Saint Denis upward to more than twice the height of the earlier cathedral and free the walls to be filled with stained  glass.The great expanse of glass helped Abbe Suger with his goal of â€Å"lux continua†. These brightly colored stained glass windows were decorated with parables and stories of the Bible that would help inform the illiterate in their faith. Trade guilds funded other windows and the decorations contained within demonstrated what life was like during this medieval time. Saint Denis was designed along the lines of sacred geometry: the use of number angles, shapes that mirror the principle of the faithful believer, and flying buttresses that would support those higher ceilings and slender columns; the verticality suggesting aspirations to heaven  Additionally, Saint Denis contained a golden cross and a golden altar where kings and nobles donated their precious jewels (Gothic Art and Abbe Suger, 1)The influence this church had over French architecture was profound because it was also a political symbol. Suger virtually ran the kingdom while Louis VI was away on the Crusade. Yet for Suger, the Church was neither political symbol nor an architectural one, but solely a religious symbol. His main goal in its design was to honor God and Saint Denis. Suger had become fascinated by the religious implications of the light. He had inscribed on the main doors, which  are representative of the passion and resurrection of Christ: The noble work is bright, but being nobly bright; That work should brighten the minds, allowingThem to travel through the light. To the truth where Christianity is the true door (Simson,111). The Gothic style had emerged. It would give rise to the development of many other buildings and cathedrals who copied its characteristics, the most visible of which was its verticality. A skeletal stone structure, pointed arches using the ovoid shape, ribbed vaults, clustered columns, sharply pointed spires, flying  buttresses and sculptural gargoyles became part of the Gothic look. (The History of Art, 255).One of the most superlative examples of Gothic architecture can be f ound in Chartres Cathedral. Chartres, fifty miles from Paris, is considered to be extremely outstanding in its use of the Gothic elements. It was rebuilt in the Gothic style after a fire had decimated the building. Called a miracle of stained glass and stone, it was created in the form of a cruciform and dedicated in 1260. Chartres contains one of the most complete collections of medieval stained glass in the world. The Rose Window contains a sun and a rose.Jesus Christ, the Son, represents the sun, while Mary is the rose without thorns. Also there are depictions of kings and lords in additional stained glass, but their lower elevation connotes submission to the Lord. Along with many stained glass windows containing biblical stories which are typological allegories between the Old Testament prophecies and the New Testament, there is much statuary. Rows of arches and niches within the arches contain the statues. (Chartres,Online 1). Within the confines of the Cathedral is a sacred re lic that was given by King Charlemagne. It is called the â€Å"Sancta Camisia,† and is said  to be clothing worn by Mary.Charlemagne received it on a pilgrimage to Jerusalem. This clothing, also called the cloak of the Virgin, was the source of much pilgrimage during the medieval times. The Cathedral was the life of the town and these pilgrimages brought in much revenue that the town depended upon. These pilgrimages occurred four times a year. Chartres, Wikipedia, 1). Although Raphael despised the Gothic style and named it derisively after the savage Goths who had ransacked Rome, the style survived and is an everlasting style of beauty and majesty. It is a wonderful contribution from the Middle Ages.

To what extent did Russia undergo economic

To what extent did Russia undergo economic and political reform in the years 1906-14? After the 1905 revolution Russia was in need of reforms both economically and politically, to allow it maintain its role of a great power and to prevent another revolution occurring the answer to this was the October Manifesto. However, due to the stubbornness of the Tsar who was determined not to relinquish his autocratic powers, what may have appeared as reforms were largely superficial making little change in particular to the Russian political system. In early 1906 the OctoberManifesto was published as a result of the 1905 revolution and as a way to appease the peasants and appear as a revolutionary change, when truly very little was changed by this. Political activity was now legal so political parties now no longer needed to remain secrets; freedom of speech was also introduced along with the introduction of a state elected Duma. Most of these changes were made as a bid to make the peasants co ntent and prevent the chances of another revolution; however this also banned trade unions and newspapers. The introduction of the first Duma was short lived due to to the disapproval of the Tsar, who dissolved it under theFundamental Law, after only 73 days. This was due to the number of members that were revolutionaries, who wanted to push through more moral ideas and reforms than the Tsar was willing to do, only 2 out of 391 made it into the law. This then led to the Wborg manifesto, which was a group of frustrated Duma members teaming up to go against the Tsar's action of raising taxes – unfortunately this backfired, leading to all 200 members being banned from standing in the next Duma. The next Duma followed a similar suit, Just with the gaining of the Social Revolutionaries and theSocial Democrats gaining seats, it was the third and fourth Dumas that raised the most change within Russian society, but this may have been due to the Electoral Reform. In order to make sure that the government gained the best support, voting was restrained to the wealthy, meaning that only 30% of Russia could vote. This meant that the majority of the revolutionaries supporters could not vote, leading to to mostly pro-government parties winning the vote. The Duma was never seen as political institution and was never meant to be, it was supposed to be a simple forum o please the masses and make them believe that the autocracy was listening.The Third ; Fourth Dumas managed to make some successful reforms as the government were more inclined to listen to them, they managed to replace the biased Land Captains, introduced universal primary education, create health and accident insurance programmes and made improvements to the army and navy. Despite the fact that the Duma were never supposed to be parliamentary, they still successfully managed to have the Duma debates reported in the press, meaning that the reformers and radicals participating managed to influence public opi nion egitimately – something that had been denied to them previously.This reform had helped helped create political reform, as it had created a space where a forum for political debate could be taken note ot, and could be published without being censored. It meant that political parties had been established legally, and despite the fact that the Third and Fourth Dumas thwarted many reforms, they helped too, as not all of the seats in this institution had been pro-government. Another factor affecting the amount of political change over the years is the use of Peter Stolypin, the Russian Prime Minister from 1906- 1911.It is hard not to see Stolypin as a reformer, as he evidently saw what policies and laws needed to be changed or created in order to vanquish any repeat of the revolution, as he brought great changed to the Russian countryside, giving peasants the freedom to leave their communes, offering them cheap land in Siberia, or helping them to own their pieces of land thro ugh the redistribution of peasant wealth through the Land Bank.This had a big impact, as it lead to 50% of peasants having ownership of land, and agricultural production had risen from 45. 9 million tonnes to 61. 7 million tonnes in 1913. It is said by historians hat had war not broken out, Russia could have developed a more stable, loyal and prosperous peasantry, as Stolypin envisaged. On the other hand, despite the rise on crop yields and production, not much was done about the living and working conditions of Russia's industrial workers.This was definitely shown after his assassination, where a plague of Russian unrest came around again, only leading to the Lena Goldfield massacre of 1912 in Siberia, which led to strikers being killed by the police. This was then a tipping point for more strikes and demonstrations, reminiscent of the 1905 revolution, to take place, showing that despite the fact Stolypin had helped reform a little economically, it was immediately undone by the wra th of popular unrest amongst the lower classes once more.From these two arguments it is very easy to see points helping question the extent of the Russian economic and political changes over the years, but I believe that the true tipping point comes to the Fundamental Law. This Fundamental Law, created in 1906, created the constitution of the Russian Empire, creating a national parliament with the lower house (the Duma), being elected. This all sounds very good, and sounds like political eforms were in their heights in 1906 – but this was completely changed in Article 87.This gave the right for the Tsar to govern by decree, thereby ignoring his faithfully created' parliament. This basically meant that the creation of the Duma was practically pointless, as the Tsar could still change his mind as to what laws he wanted created, and which laws he would go against, putting incredible restrictions on how much could be done within the Russian Empire. Therefore, I find that the exte nt to which the Russian Empire underwent economic and political changes were the smallest possible, as Nicholas was not willing to create any reforms.

Analysis of Queen Elizabeth’s Tilbury Speech Essay

My loving people, we have been persuaded by some that are careful of our safety to take heed how we commit ourself to armed multitudes for fear of treachery; but I assure you, I do not desire to live to distrust my faithful and loving people. Let tyrants fear. I have always so behaved myself that, under God, I have placed my chiefest strength and safe guard in the loyal hearts and good will of my subjects, and therefore I am come amongst you, as you see, at this time, not for my recreation and disport, but being resolved, in the midst and heat of the battle, to live or die amongst you all, to lay down my life for my God and for my kingdom and for my people, my honour, and my blood, even in the dust. I know I have the body of a weak and feeble woman, but I have the heart and stomach of a king, and a king of England too, and think foul scorn that Parma or Spain, or any prince of Europe should dare to invade the borders of my realm; the which, rather than any dishonour shall grow by me, I myself will take up arms, I myself will be your general, judge, and rewarder of every one of your virtues in the field. I know, already for your forwardness, you have deserved rewards and crowns; and we do assure you, in the word of a prince, they shall be duly paid you. In the meantime my lieutenant-general shall be in my stead, than whom never prince commanded a more noble or worthy subject, not doubting but by your obedience to my general, by your concord in the camp, and your valour in the field, we shall shortly have a famous victory over those enemies of my God, of my kingdom, and of my people.

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Analytic essay on heroism in The Odyssey and Rama's Exile

Analytic on heroism in The Odyssey and Rama's Exile - Essay Example The main character Rama, is reincarnation of God Vishu who comes to earth as Rama to destroy the demonic forces that were creating havoc among the saints and the general public. The story enfolds with the King Dasrath of Ayodhya, who had four wives and five sons. Rama, being the eldest, was heir to the throne. One of the wives, Kaikai was brainwashed by her maid Manthara into forcing the king to nominate her son Bharat as his heir apparent and exile Rama for fourteen years. The king complies under pressure and dies. Bharat, meanwhile, refuses to accede to his father’s wishes but but agrees to manage the kingdom on his behalf. Later, Rama leaves for fourteen years of exile with his wife Sita and younger brother Laxman. During his exile, Rama kills demons and frees people from their evil acts and influence restoring peace and harmony. His killing of the legendary Ravan, a powerful demon King with ten heads, is the highlight of the great epic. Return of Sri Rama to Ayodhya, is ce lebrated with lighting of bulbs and lots of fireworks. The event is still celebrated among the Hindus as one of the major Hindu Festival known as Diwali. The epic has religious significance because the hero of the epic is assumed to be a reincarnation of God Vishnu, one of the deity in Hindu mythology. Rama embodies all the finer qualities of a man. He has high moral and ethical values which are amply demonstrated when he persuades his brother Bharat to accept the throne in order to keep the honour of the words of their father who had given a solemn promise to his mother Kaikai. Despite not being used to hardships of the life, he willing faced all the trials and tribulations of life as an ordinary mortal while in exile. ‘Rama’s heroism lies in his attitude as well as in his acts’ (Pollock, 578).Rama was a brave and fearless person who used his strength for the good of the human race. Even as a

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Class Work - Personal Statement Example To clarify the point, I strongly believe that Ross Business School is the best place for me to bring down the stereotype my family hold on women. I belong to a family that is very much orthodox in its way of thinking about the female role and one of most challenging duties as a modern youth has been to challenge this conventional stereotype of women's role in the society. I realized that I could not obtain very much from this type of life, spending most of my time with friends without a significant progression in my education. This awareness stimulated me to change my education path. Fortunately, I enjoyed the support of some of my elders in this endeavor. Once I was aware of the fact that the American education system gives priority for students' participation, this attracted me to be one of those active-learners instead of the passive-learners. And, obviously, the Ross School of Business has been one of my first preferences as it provides great facilities and opportunities for a student of business and I have been very convinced that my selection would not be affected by the provisions in the college. However, there have been problems of different type that came from my entire family; old stereotypes about how women are not expected to study abroad except in Singapore - since studying at Singapore was not considered to be "abroad' - were casually mentioned. This obstructed me when I told my parents about my intention to study in the US. They believed that a woman should eventually get married, stay home, and be a good housewife. Thus, they felt that a higher education would be useless for woman. However, since I saw to humans to be considered equal, so should women and men in my society; we can have the same opportunities. I do not want to be a wife like other women in my generation of my family or for that reason a stereo type woman of my family's selection. I wanted to break the construct of women built by the conventions by pursuing one of the most unconventional academic quests and business administration and a course in the US served the best tool for my purpose. There were many factors that helped me in my pursuit. There were some thinking people who would support my idea and I managed to get the permission and I will prove to my family that this was the best decision for my future. I believe that if I do not depend on other people, particularly my family, I will have a greater opportunity to better explore my strengths. This opportunity to be a student at the Ross School of Business will be the most suitable one to follow my determination. The quality of learning in the institute along with other environments would help me gain the best development of my academic career and my personality. All these rightly indicate the reasons for me to opt for the Ross School of Business. 2. The BBA Program requires excellent teamwork skills and there are many group projects in the curriculum. Tell us about a group or team experience from college that either went very well or that ended badly. In retrospect, would you have done anything differently Please tell us why or why not. Teamwork skills are most essential for the success of group projects which "include the mix of interactive, interpersonal, problem solving and communication skills needed by a group of

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In present time Essay Example for Free

In present time Essay In present time, women have obtained more freedom to express their thoughts  and more privileges to achieve their goals. Their social status had a qualitative leap in the United States compare with the last couple of centuries; this subversion will continue lead women to enter a world which their talent and ability can be completely recognized. Different from today’s value, women who lived in previous centuries do not have the rights to do things the way they prefer. Social morality and family obligation force them to obey others and renounce independent. This inveterate principle stifled generations of women and their freedom. Both works include The Revolt of â€Å"Mother† and A New England Nun by Mary Wilkins Freeman showcased that in order for a woman to regain the pleasures in her life, she has to be intrepid and determined under certain social pressure. By descripting both characters Louisa and Sarah’s detailed inner world such as their characteristics and other social aspects such as other’s judgments, Mary Freeman provided the reader with vivid sense of equality that led the society into deep consideration and introspection of why feminism is necessary. Bothworksservedasimilarpurpose,tospreadtheconceptoffeminism,but with different approaches due to different social status of both characters in The Revolt of â€Å"Mother† and A New England Nun. Mary Freeman’s Puritan way of living had a huge impact on how she considers the world differently. In The Revolt of â€Å"Mother†, Mary Freeman portrayed a married woman, Sarah Peen, who has been serving for the 1 Sun family for forty years without any complain, had an emotional outburst about the new farm that her husband was building. Her husband, Adoniram, promised Sarah that he would build her a house when they are financially improved. Instead of building her the dream house, he planed to build another farm without informing her. She then decided to move into the new barn to live when her husband had gone out. (Freeman) In Freeman’s other work, A New England Nun, she depicted Louisa Ellis, a woman who waited for her fiancà ©Ã¢â‚¬â„¢s returning from Australia for fifteen years, had decided to end the relationship with him after she hears that he has no love to her. (Freeman) This may be an excuse for her to escape from the relationship that will eventually force her to ingratiate others and put her own needs second. However, Louisa made up her own mind and went the way she preferred. By observing the behaviors of these two characters, it is certain that both of them have their own belief and rule of life that is beyond reach. Sarah Peen wants changes in her life, changes that can overturn her current life. As the story begins, Sarah provides service for her family everyday hoping to move into a new house like her husband promised her to. (Freeman 666) Moreover, She is a woman with ideas and goals. Freeman writes, â€Å" ‘There ain’t no use talkin’, Mr. Hersey,’ says she. ‘ I’ve thought it all over an’ over, an’ I believe I’m doin’ what’s right. I’ve made it the subject of prayer, an’ it’s betwixt me an’ the Lord an’ Adoniram. There ain’t no call for nobody else to worry about it.’† (670) This is what Sarah replied to the minister when he came to convince Sarah not to disobey her husband. After 2 Sun forty years of waiting, Sarah decides that she is strong enough to take a stand for the change. She is surprisingly independent and rebellious. Her rebellion does not only exist for against her husband, but also for against the social role that she is suppose to play as a submissive wife. Even though she accepts her responsibilities as a wife and a mother, her determination and resistance to the power of tradition was never stifled. As a wife whose husband often ignores, she opposes her husband’s male dominance over hers and remains integrity, courage, and privation overall. However, Louisa Ellis from A New England Nun had an opposite lifestyle with Sarah has but the same perception of individualism. LouisaEllis,unlikeSarah,isafraidofchangesandunknowns,butshestill forwards her life regarding what others would think. Her engagement with Joe Dagget is full of uncertain. Freeman did not deliver Louisa’s remorse of engagement directly. Instead, she implied some details to inform her readers that Louisa is satisfied with her own life by enlarging her trivial acts such as using china. Freeman writes, â€Å"Louisa used china everyday – something which none of her neighbors did. They whispered about it among themselves.† (654) This indicates that Louisa lives her own quiet life and enjoys her own pleasure. All of sudden, Joe Dagget shattered Louisa’s peace, the peace that only belongs to her. Freeman writes, â€Å"He remained about an hour longer, then rose to take leave. Going out, he stumbled over a rug, and trying to recover himself, hit Louisa’s work-basket on the table, and knocked it on the floor.† (654) All his acts reminded Louisa that she has to put herself at second after their marriage and 3 Sun renounce her independent. She then realized that she wants to be who she is, not to be a wife of a man who she has less love with. She is mainly descripted as a dainty and methodical woman; she pays most of her attention to details and perfections. Therefore, after she overheard that Joe has no love to her either, she quickly made her decision that she is not going to marry Joe because she desires for remaining alone. (Freeman 661) Even though both Sarah and Louisa have similar lives, they have different characteristics. Both women have comparable lives. Louisa and Sarah both reside at rural area where men do most of the working, and women do most of the housework. (Freeman 654, 662) This is one of the reasons why both characters chose to make astonishing decisions of their own. Initially, they must identify themselves, and then make decisions regarding tradition that has been persisted for centuries. Both women are also conflicted with men in a relationship that lasted a long period of time. Louisa waited her fiancà © for fifteen years while Sarah waited forty years to move forward of her life. Eventually, they both have achieved their goals and won the victories. However, in A New England Nun, the social influence is less conscious. There is less portrayal of judgments made by other members in the society. Instead, Freeman inserted implicit approach such as Louisa’s pet, Caesar, to display how the community would tie her up in a promise of engagement. (Freeman658) Different from Louisa, the community that Sarah lived in for forty years does not allow her to determine her own life. Her husband and son ignore her by not answering her questions; the minister 4 Sun came to her house to criticize her â€Å"inappropriate† conduct; people in her community also talks about her rebellion against her husband. Freeman displayed how they treat Sarah like a woman who should not have equal rights and dignity with a straightforward picture. Consequently, the two characters Sarah Peen and Louisa Ellis in both Freeman’s work The Revolt of â€Å"Mother and A New England Nun overcame dilemmas effectively. Both stories are relevant to the concept of feminism, which is equal justice between both sexes. The endings are similar: Sarah moved to the new barn while Louisa lived her own stilled life. Their encounters influenced and united generations of women to go forward together and break rules and instructions in order to live in freedom. Works Cited Freeman, Mary. A New England Nun. The Norton Anthology of American Literature. Gen. ed. Nina Baym. 8th ed. Vol. C. New York: Norton, 2013. 653-661. Print Freeman, Mary. The Revolt of â€Å"Mother†. The Norton Anthology of American Literature. Gen. ed. Nina Baym. 8th ed. Vol. C. New York: Norton, 2013. 662- 672. Print 5

Mastering Biology Suggested Answer Book Essay Example for Free

Mastering Biology Suggested Answer Book Essay The rate of reaction increases when the polyphenol oxidase concentration increases. 1m b Rate of reaction = 1/18 = 0.056 1m From the graph, the enzyme concentration is around 1.15%. 1m c Use boiled enzyme in the tube. 1m d The enzyme does not work in acidic medium. / The enzyme is denatured in acidic medium. 1m e The colour change becomes faster at start 0.5m as enzyme activity increases with temperature. 0.5m When temperature becomes too high, no further colour change will be observed 0.5m as the enzyme is denatured. 0.5m f The rate of reaction drops / stops if all active sites of the enzymes are blocked. 1m The inhibitor competes with normal substrate for active sites. 1m 11 HKCEE Biology 2003 I Q3b Essay (p. 4-23) 12 Enzymes are biological catalysts, speeding up metabolic reactions without being used. 1m Enzymes can be reused. Enzyme molecules return to its original form after completing the reaction. 1m Enzymes are required in relatively small amount because enzymes remain unchanged in the reaction. 1m Enzymes are proteins. They are easily denatured by high temperatures and extreme values of pH. 1m The actions of enzymes are specific. Each enzyme catalyses only one type of reaction. 1m Examples of enzyme application: Biological washing powder, papain in meat tenderizers, enzyme to coagulate milk to produce cheese, enzyme to modify the starch in bread, enzymes to break down plant cell wall in fruit juices, enzymes to remove hairs from hides 1m Advantages of using enzymes in the above applications: Enzymes are specific in action. This reduces the production of unwanted products. 1m Enzymes are efficient in small amounts. This lowers the cost of production.

Physics Behind the Dambuster’s Bouncing Bomb

Physics Behind the Dambuster’s Bouncing Bomb Brookie Trant Introduction The Dambuster Raid and the bouncing bomb played a key role in WW2. The aim was to disrupt industrial productivity of Germany. The Raid was also a well-publicised success story when Britain was stretched to breaking point during the war. The bomb was used to destroy the Mohne and the Edersee Dams and flood the Ruhr Valley, thereby destroying a large proportion of the Germans manufacturing power; thus having the desired knock on effects for the German war effort. The bomb was initially conceived by Dr Barnes Wallis in April 1942 in a paper he wrote called ‘spherical bomb – surface torpedo’[1]. The concept was then taken up by Air Chief Marshal the Hon Sir Ralph Cochrane of the Royal Air Force a strong advocate of precision bombing. Also important to bringing the concept to fruition was Air Marshal Arthur Harris commander of Bomber Command. Through these influential commanders Wallis’ idea was brought to a committee and it given the go ahead. Wallis faced a range of practical issues such as: the size-to-weight ratio of the bomb with the ability of the aircraft to physically lift and deliver it; how much backspin was needed to be imparted to the bomb in order for it to have a controlled and accurate flight; speed of flight; height from which to drop it and the velocity of the aircraft at point of delivery. All these factors needed to be understood and overcome in order that the bomb could be delivered to the optimum point on the dam wall and then detonated. In answering this question this study will consider four key factors: the weapon design, the delivery of the weapon, the detonation and how all of these had a great enough affect to destroy the dam. It is useful at this point to qualify the definition of the bouncing bomb. The use of bouncing to describe the Operation Chastise bomb is loose. The physics of bouncing by definition requires a level of elasticity which as the object hits a solid, a fluid or a powder results in a permanent or non-permanent change in the objects form (elasticity). This doesn’t occur with the ‘bouncing’ bomb. It is better to define the Chastise Bomb as ricocheting but for the purpose of this study the phrase bouncing bomb will be used[2]. Weapon Design This was where the bomb started. A key area which needed to be addressed was the shape of the bomb. This had a major role in providing a reliable and successful bomb. This section explains the reasoning behind the cylindrical shape and how this affected the bombs delivery. The shape of the bomb was a key issue. Wallis’ initial trials used spherical models, so that identical contact with the water would be made throughout its flight; however the bounces were often too unpredictable due to release and water surface conditions. Therefore, to achieve greater stability Wallis experimented with a cylindrical bomb. This negated the unpredictability but did not stabilise the issues of trajectory and keeping it level. He realised that by using backspin these problems could be overcome. Backspin was also a key aspect in the delivery of the weapon to the detonation point. This vital aspect will be further discussed in this study in the delivery method section. Once at the point of detonation the bomb was required to explode underwater. On explosion a shock wave would be created, enough to destabilise the dam wall. The weight of water would then provide the breach. Wallis started with trying to find the correct measurements for the amount of explosive needed to breech the dam. He used a model on a scale of 1/17 of the real thing. He then used 100g of gelignite 1.2m away from the wall giving the same effect as a 10 tonne bomb 60m away from the dam. This had no effect. He continued his trials until he achieved 150g of explosive 0.3m away from the dam, which meant that he had to use 13 tonnes of explosive 15m away from the dam. When scaled back up, this would need 18 tonnes of casing which would give a 31 tonne bomb to match the effect required. This was a significantly larger bomb that could be dropped by the aircraft to be used. It was clear that he would have to find a different method. He reduced the mass to 4.3 tonnes and would use multip le bombs to breech the dam[3]. The final dimensions of the bomb were 60 inches long and 50 inches wide[4]. This is roughly 1.52m in length and 1.27m in width, with a final weight of 9,250[5]. See figure 1. Delivery Method His next problem was working out speed of the bombs, how far above the surface they needed to be dropped, the distance from the dam and the best way to control the skips of the bomb. His first trials were conducted in his garden at home. He fired marbles across a bucket of water to see whether it would bounce off the surface. It worked and he could control the skip by adjusting the catapult. He now needed to discover if he could control the bomb when it was using multiple skips. For this he needed a slightly larger apparatus and used a huge ship tank at Teddington. Starting with a spherical bomb, he tested different size-to-weight ratios and by using backspin he could control the bounces. This also helped the bomb to sink in a predictable manner when it reached the wall. Here he had success, however Wallis found the flight of the bomb was often unpredictable. He found if he increased the mass significantly it became more stable however for reasons already stated a larger bomb was impractical. Wallis had realised that stability could be achieved by using a cylindrical casing and imparting backspin. This would keep the barrel on its axis and stop it from tilting and therefore follow its correct trajectory. Much like a child’s spinning-top toy, the more backspin you gave the bomb the harder it would be to knock it off its axis, this is angular momentum (this is explained in the paragraph below). He tested the idea in the tank trying out the different revolutions. He also found that by varying the size-to-weight ratio of the cylinders he could keep a 5 ton barrel level on the water and then get it to spin down the dam once it hit the water[6]. Also by rapidly spinning the device backwards this would counteract the forward velocity of the aircraft. Wallis calculated how many bounces would be required before reaching the dam. This calculation needed to include the drop distance from the dam, the elevation of the aircraft and its forward velocity. Importantly with each bo unce the bomb would slow due to the viscosity of the water and the drag effect that it had. Using this equation Wallis was able to calculate the speed of the spin to ensure that the bomb had slowed down to almost zero velocity by the time it reached the dam[7]. He measured that the cylinder would need to be going at 450 to 500 revolutions per minute2 in order to achieve this effect. Angular momentum has the same role as linear momentum but in rotation. The equation for angular momentum is. The equation for linear momentum is â€Å"†. In the equation for angular momentum the ‘I’ replaces the ‘m’ and the ‘ω’ replaces the ‘v’. The ‘I’ is the moment of inertia which is an objects reluctance to change its state of rotational motion[8]. The equation for the moment of inertia changes with the different shapes it is acting on. For a cylinder the moment of inertia is. This meant that by increasing the mass and the radius the moment of inertia will increase making it more stable. However Wallis was restricted by the size of the planes and their ability to carry a heavy bomb. So he used the largest diameter as possible and then put the majority of the weight of the bomb as close to the edge of the cylinder as possible. This way it would have the same effect as a flywheel giving the barrel lots of m omentum. The ‘ω’ is the angular velocity which is how quick the cylinder is rotating its unit is rad s-1. The equation for ω is which shows as you increase the frequency then the ω will increase by a considerable amount. When you put the moment of inertia and angular velocity together you get the angular momentum of a rotating object. It also shows you that by increasing the angular velocity makes it much more difficult to knock the barrel off its axis. Going back to the spinning top the faster you spin it the more difficult it becomes to knock it over. This is what gave the bouncing bomb a clean flight and made sure that it remained on course and didn’t tilt off its axis. The backspin had a secondary effect. By dropping the bomb without backspin the device would naturally receive a turning effect through the horizontal axis in the opposite direction; the net result of this would be that the bomb would not slow in a uniform or predictable manner and therefore likely skip out over the dam rather than slowing and dropping down the inside face. Forward spinning the bomb would have a similar effect to that experienced by a bicycle wheel being rolled at a curb. It wants to keep going[9]. There is a third effect achieved by imparting backspin. This is the key relationship that Wallis would have been aware of and used to calculate speed, height and turning effect. This effect is the Kuttas Lift Theorem or the Kutta–Joukowski Theorem. Developed by German Martin Wihelm Kutta and Russian Nikolai Zhukovsky (Joukowski), in the early twentieth century, the theorem demonstrates the aerodynamic relationship between lift, speed of a rotating cylinder and density of the substance it is moving through (air or fluid)[10]. This theorem sometimes known as the Magnus effect when applied to the conditions of the Dam Buster raid allowed the bomb to ‘crawl’ down the face of the dam wall. The water surrounding the cylinder in conjunction with the back rotation caused striking hydrodynamic forces that pulled the bomb back towards the wall[11]. As seen in figure 2. All three of these effects were identified, quantified, understood and overcome by Wallis, through his thorough trials and experiments and his deep knowledge of physics. Detonation Mechanism The aim of Operation Chastise was to blow up the dam; the easiest way to do this would be to blow the explosive charge on the water side of the dam at the optimum depth. This would make the most of the explosive power. With the weight of the water behind the explosion, it would increase the affect of the force of the bomb. This weight would pressure the dam to breaking through whatever weaknesses had been caused by the initial force of the bomb. The bomb contained three hydrostatic pistols which measured the water pressure as the bomb sank, the bomb would then detonate at a depth of 30 feet. It also had a time fuse that would detonate after 90 seconds as a backup. This was reasonably well developed technology drawn from the experiences of the First World War naval fighting and the ongoing anti-submarine war effort. In essence the hydrostatic pressure, used in the hydrodynamic pistol, increases uniformly according to the simplified equation of P = p g h (where P is hydrostatic pressur e, p is the fluid density (kg/m3), g is gravity and h is height of the water)[12]; the change in the hydrostatic pressure would trigger the hydrodynamic pistol to explode at a depth of 30 feet (9.14m)[13]. Target Effect Once delivered to the detonation point against the dam wall at the correct depth the weapon exploded. This maximised the benefits of the bubble pulse effect typical of underwater explosions, greatly increasing its effectiveness of the explosion and the pressure. The dam wasn’t going to fall by just using the explosive power of the TNT and RDX applied to the external wall of the dam, but by using the pressure of 30 foot (9.14m) of water pressing down on the explosion. The initial force exerted by the exploding bomb was meant to weaken the dam; the water would do the rest. Compared to air water has a significantly higher density than air. Water has a higher quotient of inertia than air. Although this makes water more difficult to move it does mean that it is an excellent conductor of shock waves from an explosion. The damage achieved by these shock waves will be amplified by the subsequent physical movement of water and by the repeated secondary shockwaves or â€Å"bubble pulse †[14]. The small seemingly insignificant cracks formed by the bomb would then be exploited by the water forcing the gaps to get larger until the point where the dam couldn’t hold it any longer. The dam then crumbled. The equation for pressure is (P=pressure, F=force, A=area) this can be rearranged to give this shows us that the pressure will make a huge difference to the force of the explosion. Summary In summarising this study of the physics behind the dam buster raid it is important to recognise the breadth of Barnes Wallis’s experimentation and trials. He overcame the issues of weapon design: its explosive effect and detonation method and issues of casing; the delivery method in terms of speed, height and skip effect; the detonation method; and then the weapon effect on the target. A clear understanding physics and a deep understanding of fluid mechanics, hydrodynamic pressure and the crucial consequence of Magnus Effect were essential for Wallis’s concept to succeed. Bibliography 1 http://en.wikipedia.org/wiki/Bouncing_bomb I used wikipedia just to gain some background knowledge and to use in my introduction. 2 Johnson, W. (1998). Ricochet of non-spinning projectiles, mainly from water Part I: Some historical contributions. International Journal of Impact Engineering (UK: Elsevier) – this was from the same Wikipedia page but the extract was taken from this paper written by W. Johnson. 3 http://home.cc.umanitoba.ca/~stinner/stinner/pdfs/1989-dambusters.pdf this is another paper on the bouncing bomb providing information on the facts and figures on the bomb 4 http://everything2.com/title/bouncing+bomb again this is just facts about the bouncing bomb itself 5 http://www.rafmuseum.org.uk/research/online-exhibitions/617-squadron-and-the-dams-raid/designing-the-upkeep-mine.aspx another with facts an about the bombs dimensions and weight ect. 6 http://simscience.org/fluid/red/DamBusters.html this is a paper for those doing a-level so has very relevant information on it and is a reliable source 7 http://wiki.answers.com/Q/Why_did_Barnes_Wallace_decide_to_spin_the_dambusters_bomb_backwards#slide=16article=Why_did_Barnes_Wallace_decide_to_spin_the_dambusters_bomb_backwards this is using Wikipedia again but it is a general statement so not needing a confirmation reference 8 Advanced Physics (p.101/105) – this is a book used in the physics a-level it gives a great level of understanding and was a very useful book when wanting to look beyond the syllabus 9 A.M. Kuethe and J.D. Schetzer (1959), Foundations of Aerodynamics, John Wiley Sons, Inc., New York ISBN 0-471-50952-3. – this is a book and it explains basic aerodynamics which can also be related to the forces acting on an object in fluid which is the context used in this essay 10 http://www.britannica.com/EBchecked/topic/357684/Magnus-effect this briefly explains the Magnus effect which is used when the bomb is trying to sink down the dam face 11 Pascal’s law – found on http://www.engineeringtoolbox.com/pascal-laws-d_1274.html 12 http://www.historylearningsite.co.uk/dambusters.htm information about the bomb. 13 Fox, Robert; McDonald, Alan; Pritchard, Philip (2012). Fluid Mechanics (8 ed.). John Wiley Sons – another book used briefly to explain how the bomb created a large enough force to break the dam. [1] http://en.wikipedia.org/wiki/Bouncing_bomb [2] Johnson, W. (1998). Ricochet of non-spinning projectiles, mainly from water Part I: Some historical contributions. International Journal of Impact Engineering (UK: Elsevier) [3] http://home.cc.umanitoba.ca/~stinner/stinner/pdfs/1989-dambusters.pdf [4] http://everything2.com/title/bouncing+bomb [5] http://www.rafmuseum.org.uk/research/online-exhibitions/617-squadron-and-the-dams-raid/designing-the-upkeep-mine.aspx [6] http://simscience.org/fluid/red/DamBusters.html [7]http://wiki.answers.com/Q/Why_did_Barnes_Wallace_decide_to_spin_the_dambusters_bomb_backwards#slide=16article=Why_did_Barnes_Wallace_decide_to_spin_the_dambusters_bomb_backwards [8] Advanced Physics (p.101) [9]http://wiki.answers.com/Q/Why_did_Barnes_Wallace_decide_to_spin_the_dambusters_bomb_backwards#slide=16article=Why_did_Barnes_Wallace_decide_to_spin_the_dambusters_bomb_backwards [10] A.M. Kuethe and J.D. Schetzer (1959), Foundations of Aerodynamics, John Wiley Sons, Inc., New York ISBN 0-471-50952-3. [11] http://www.britannica.com/EBchecked/topic/357684/Magnus-effect [12] Pascal’s law [13] http://www.historylearningsite.co.uk/dambusters.htm [14]Fox, Robert; McDonald, Alan; Pritchard, Philip (2012). Fluid Mechanics (8 ed.). John Wiley Sons.

Gregor Mendels Fruit Flies Essay -- Biology Gregor Mendel Essays

Gregor Mendel's Fruit Flies Introduction   Ã‚  Ã‚  Ã‚  Ã‚  From simple heredity experiments with garden peas, to cloning sheep, the field of genetics has come a long way. Now we are closer to mapping out the human genetic map due to advances in technology, and years and years of research. Perhaps the most influential and groundbreaking scientist, Gregor Mendel, he was responsible to provide a path to where genetics is now today with his experiments of garden peas.   Ã‚  Ã‚  Ã‚  Ã‚  In lab, fruit flies were crossed to observe inheritance patterns in their offspring. The motivation for this was to further understand how genes and characteristics are inherited. To use fruit flies would be much more effective and easier because of a couple of reasons. The genetic makeups of the flies only consist of 4 pairs of chromosomes. This makes it easier to spot characteristics, and is easily distinguishable. Another plus to using flies is that fruit flies can produce a whole new generation of offspring in two weeks, which is very convenient for researchers. This is why files are used instead of humans, but not only time, ethics have also been a major, if not the most important factor.   Ã‚  Ã‚  Ã‚  Ã‚  The traits observed here in this experiment were the wing types, whether vestigial or normal, and the eye color, whether brown or white. The genotype of the vestigial wing was a homozygous recessive vv. The normal wings were either Vv, or VV. The eye color was denoted by the genotype BB, and Bb for brown, and bb for...

Physics and Collision Detection Engines for Computer Applications :: physics video game computer

Includes program code Physics engines are used to simulate real physical interactions in a virtual environment. Many 3d based applications have physic engines included. Software such as modeling and animation programs, have physics engines that tell the program how the models react to certain forces to make them seem more realistic. This is used in the movie industry when creating computer generated effects to composite with live footage. They computer generated images need to look and react the same as real objects. Physics engines help determine the Game software include physics engines to create a a richer environment for the gamer to experience. By using physics engines, encounters do not have to follow pre-scripted courses, but can appear to react as they would in the real world. In both industries effects such as fire, smoke, fluid dynamics, and geometry-based sound all benefit from physics engines. Nothing moves by itself. Animating objects using traditional methods is complicated and time-consumin g. You have to "tell" the object specifically where to go and what to do. Creating natural motion means that objects will respond to environmental forces spontaneously. For example, if there is nothing to support it, an object should fall to the ground and come to rest. Physics-based simulation is a first step in making objects move the way they do in real-life, but there is more to it than that. The aim of natural behavior technology is to generate the expected behavior of the objects that appear in a 3D application. This includes satisfying the laws of physics (or an interesting deviation from them) and some degree of artificial intelligence and autonomous simulated behavior. Physics engines are basically code libraries. When a object is created it is giving a set of values for mass, height, weight, initial velocity, center of gravity, ect, ect. Then when a reaction needs to be calculated these values are used along with the correct formula. These formulas are part of the library and are stored along with it. The reason physics engines are hard to create is because it has to write functions to caculate certain reactions and has to have functions for every single reaction that could take place. In more complex environments there could be millions of formulas needed to be able to give correct answers for all the reactions. They used as reference libraries in the coding for the particular application that needs a physics engine and the functions are called on in that code.

The Cult Of True Womanhood Essay examples -- essays research papers

The Cult of True Womanhood The "Cult of True Womanhood" has greatly influenced society throughout all of America's history. This set of standards was first accepted and practiced by all of the European colonies. They were then passed through the generations and, in many cases, still exist. I'll describe the essay, "The Cult of True Womanhood," and discuss my views on it. I'll then illustrate how these standards are still present in today's society. First, I'll discuss the essay. It's easiest to describe this essay if I begin by defining "The Cult of True Womanhood." As I stated the introduction, it is a set of standards. These principles create and have created a strong division between the genders, and therefore, caused tension. Basically, it states that men are to work and make money for the family. A woman's goal was to find a husband and have children. Women were also expected to have four main cardinal virtues - piety, purity, submissiveness, and domestication. Piety is, basically, grace. Women were to expected to always be dainty and lovely. Purity speaks for itself. Women were expected to stay abstinent until marriage. Submissiveness means that the woman should, once married to a man, completely devote herself to him, carrying out his every wish within her power. One very powerful sentence in the essay well represents the woman's goals and values well according to "The Cul...

Recruitment and Selection Process Essay

Executive Summary In todays competitive world every company tries to get best possible candidates for the competitive advantage so, recruitment and selection of right candidates is important for all companies. It is a major function of the human resource department. For IT companies’ recruitment and selection is an integral part as attrition in IT companies is very high. Recruitment is the process of searching the candidates for employment and stimulating them to apply for Jobs in the organization. The basic purpose of recruitments is to create a talent pool of candidates to enable the selection of best andidates for the organization, by attracting more and more employees to apply in the organization. The project named Recruitment Life Cycle was carried out at Persistent Systems Ltd. There are two types of recruitment at Persistent, campus and lateral recruitment, campus recruitment is conducted once in a year at the respective colleges and lateral recruitments are conducted as per the requirements. For lateral recruitment recruiter needs to understand the Job description to find the right candidates for the job then recruiter needs to source the candidates from different Job portals like Monster, Naukri etc. After sourcing, candidates are screened by different interviewers at different levels. If candidate clears all the round of interviews then an offer is made to employee depending upon the grades specified by the interviewer. The recruiter also had to meet targets, i. e. he had to see to it that a certain number of candidates sourced are Joining the organization. The conclusions that can be drawn from the project are the recruiter must understand the importance of that particular Job posting to find the best fit candidates. Also the automation in recruitments is the need of an hour. The Option of employee reference must be used properly to attract the right candidates. Thus, it was a very dynamic and challenging Job that demanded tremendous efforts, persistence, professional ism, and continuous efforts on the part of the recruiter. . Overview of IT Industry The Indian information technology (IT) industry has played a major role in placing India on the international map. The industry is mainly governed by IT software and facilities for instance System Integration, Software experiments, Custom Application to NASSCOM’s findings Indian IT-BPO industry expanded by 12% during the Fiscal ear 2009 and attained aggregate returns of IJS$ 71. 6 billion. Out of the derived revenue IJS$ 59. 6 billion was solely earned by the software and services division. Moreover, the industry witnessed an increase of around IJS$ 7 million in FY 2008-09 i. e. USS 47. 3 billion against USS 40. 9 billion accrued e,’ 2008-09 | IT Outsourcing in India As per NASSCOM, IT exports in business process outsourcing (BPO) services attained revenues of IJS$ 48 billion in FY 2008-09 and accounted for more than 77% of the entire software and services income. Over the years India has been the most avorable outsourcing hub for firm on a lookout to offshore their IT operations. The factors behind India being a preferred destination are its reasonably priced labor, favorable business ambiance and availability of expert workforce. Considering its escalating growth, IBM has plans to increase its business process outsourcing (BPO) functions in India besides employing 5,000 workforces to assist its growth. In the next few years, the industry is all set to witness some multi-million dollar agreements namely: * A 5 year agreement between HCL Technologies and News Corp for administering its information centers and IT services in I-JK. As per the industry analysts, the pact is estimated to be in the range of IJS$ 200-US$ 250 million * IJS$ 50 million agreement between HCL Technologies and Meggitt, UK-based security apparatus manufacturer, for offering engineering facilities. * Global giant Wal-Mart has short listed there Indian IT dealers namely Cognizant Technology Solutions, UST Global and Infosys Technologies for a contract worth IJS$ 600 million India’s domestic IT Market India’s domestic IT Market over the years has become one of the major driving forces of the industry. The domestic IT infrastructure is developing contexts of technology nd intensity of penetration. In the FY 2008-09, the domestic IT sector attained revenues worth IJS$ 24. 3 billion as compared to IJS$ 23. 1 billion in FY 2007-08, registering a growth of 5. 4%. Moreover, the increasing demand for IT services and goods by India Inc has strengthened the expansion of the domestic market with agreements worth rising up extraordinarily to IJS$ 100 million. By the FY 2012, the domestic sector is estimated to expand to IJS$ 1. 7 billion against the existing from US$ 1 billion.

Exhibition Essay

Introduction â€Å"A good exhibition programme will sell itself. The money spent on marketing would be better spent on the exhibition themselves† In the business environment, there is a lot of competition that every business faces in its day to day operations. This means that if a business cannot keep up with the competition or beat its competitors then there is a high likelihood of it collapsing, something that will highly cost the investors. Therefore, every business must ensure that it is able to meet its main objective which in many cases is to make and maximize profits through high sales. To achieve higher or increased sales, business investors can apply various strategies of winning customers and overcoming the stiff competition in the business environment. For a business to be able to accomplish higher or increase in sales and obtain more customers who will in turn result into higher profits for the business, the investors can apply marketing strategy as a form of making their products known to customers which is may be a bit costly t the business since it will have to incur various expenses. On the other hand, a business can opt for exhibition as a form of selling its products to its customers. Exhibition can simply be defined as a presentation and a display of various items that have been selected to attract customers and induce sales. Exhibition Programme as a Marketing tool An exhibition program is the strategy put in place by a business of presenting and displaying a selection of various products of a business for customers to purchase and to attract new customers. Having a good exhibition programme in a business will sell itself to customers and will help increase the sales of the business. This means that the money used by investors in areas such as marketing strategies can be spent on exhibition so that the business can achieve more sales and hence more profits for the business. Exhibitions also know as trade fairs, expos or even trade shows can help achieve various results for a business as will be discussed here. In many occasions, the exhibitions are in most cases organized by various interested parties so that various organizations in a certain specific industry or who have a specific interest can showcase and give a demonstration of the various latest products, study activities, and even services of competitors and also to have a look at the current trends in the business industry and the opportunities that may be available for the business to venture in. There are some exhibitions which are always open to the public while there are others which can only be attended by various company representatives who are members of that trade and also the members of the press for coverage of the exhibition (Siskind, 2005). Through the years exhibitions have been identified as one of the most effective and efficient tool that is powerful and effective for doing business. An exhibition involves the business investors being able to meet the customers face-to-face and hence create a great target opportunity for the business to achieve the various trade objectives that it has. Exhibitions are known to be one of the most cost effective for of reaching out to the customers since the business investor is able to reach the customers at one time and in one place that does not involve moving the location. Therefore, it is notable that exhibitions have various advantages for a business if a good exhibition programme is created and implemented by the business investor (TileagÄÆ', & Cosmescu, 2012). Advantages of Exhibition Exhibition as a means of trade for a business has various advantages to any form of business if created and implemented in a good way as compared to marketing strategies. Discussed below are the advantages that a business will derive from a good exhibition programme implemented by an investor: Customer contact In exhibitions, the business investors have the opportunity of meeting the customers face-to-face in one time and in one place. This means that the trade shows or exhibition provides a very excellent and conducive environment for the business investors to initiate contacts with customers who are new to the business. This helps the business investor to be able to develop new trade leads for the products of the business since the investor is able to answer any questions that the new customers may have concerning the products that the business is offering (Ausstellungs- und Messe-Ausschuss der Deutschen Wirtschaft, 2010). The business has the first hand opportunity of giving detailed information to the new customers about their products that are under exhibition and in turn this will help in creating a new customer base for the business. In addition to the new customers whom the business investor has the opportunity to win over for the business and creating new customer base, the business investor is also able to renew its old contacts with the valued clients of the company or business firm. There are times when businesses lose their old clients due to various reasons. Through a good exhibition programme, the business investor is bale to renew the lost contacts with its previous customers and also to inform the old customers of the new products that the company may be offering in addition to the improvements that the business has made on the previous products that it was offering (Frain, 1999). Opportunity to create an Image for the Business Through exhibitions, the business investor is able to meet new and old customers some of who may not e familiar with the business. The contact that the business investor has with the customers offers an opportunity for the investor to create and improve the image of the business towards the customers. Customers who had a bad perception about the business will be able to have firsthand experience of knowing more about the business and the products of the investors and get clear understanding of how the business operates and what products the company is offering to its clients (Johnston, & Beaton, 1998). This means that, not only will the company be able to win ore customers but it will be able to give firsthand information to the customers which will help in improving the image of the business. A good image for the business means that customers will want to associate with the business; hence those customers who visit the exhibition will also inform other people about the business. This will act as a way of advertising the business through word of mouth from those customers who had the firsthand experience with the business at the exhibition. Therefore, it is quite notable that exhibitions not only bring new business contacts but also helps to strengthen and maybe restore the image of the business which is important for every business to succeed. Product and service launch platforms Many businesses always face the challenge of launching their products and services to the market. Launching of a new product or service by a company can be very challenging to any business and can also be costly in terms of advertisements as a form of marketing for the new products and services. Many platforms that business investors can use to launch their new products or services are always costly and at times may not be effective in reaching out to as many customers as possible. To overcome this challenge that is involved in the launching of new products or services to the market by business investors, exhibitions offer a much better platform for the business investor to launch their products or services. Exhibitions in many cases involve live presentations and various demonstrations of the products or services of the company to the customers. This means that the products or the services are able to â€Å"speak† for themselves and influence the customers to make purchases or even obtain the services even if they were not prepared to do so in the first place. When customers are able to see for themselves the use of a product or the importance of a product at first hand, they tend to have the urge to try out the product or service so that they can find out if whatever they saw during the live presentations and demonstrations are actually the results that they can obtain from using the particular product or service which has been launched into the market. This means that the process of selling the new products or services is accelerated (Frain, 1999). When the customers are influenced to purchase the new products or services that have been launched at the exhibition trough live presentations and demonstrations, the sales of the products or services are likely to increase, and this will mean that new sales will be generated for the company at a quicker rate than through marketing. Launching of a new product or service through live presentations or demonstrations at the exhibitions means that the company will not incur a lot of costs that are always involved in the launching of new products or services (Johnston, & Beaton, 1998). Marketing communications In the exhibitions or trade fairs, there is always a lot of focus that is always put on the company and the products r services that the company is offering. Many exhibitions involve the media and hence the attention of the media is always on the company and the products or services of the company. This means that the business investor has an opportunity of focusing his/her public relations efforts on raising the profile of the company and that of the products or services of the company. This will also help in improving the image of the company. Since the focus of the media attention is on the company and the products or the services that the company s offering, there is an opportunity for the company to advertise itself without incurring any extra cost on advertisement of the company’s products or services.   The exhibition offers a platform for improvement of the company’s public relations since the company comes into closer contact with the public than it could do through areas such as advertisements. This will also help in improving the image of the company and the image of the products of the company by building trust and good relations with the customers who have visited the exhibition. Therefore, exhibitions will not only help in developing great public relations, building company’s image but also will help in opening new markets for the company (Frain, 1999). A high return/expense ratio Every business investor has one aim in business which they strive to accomplish through every operation that the business undertakes. The main objective for any business investor in a business environment is to make and maximize profits. For the business to obtain profits it must incur costs that are involved in the running of the business. Costs in business may be in form of advertisements, production and any other operational costs for the company. Higher profits and maximization of profits can only be achieved by a business if the business ensures that the costs that it incurs are less and do not exceed their sales. To achieve this, a company must ensure that it employs strategies that will help in minimizing costs involved in its operation while at the same time maximizing its sales for higher profits. The returns must always be higher while the expenses must always be lower in any successful business. This means that a business must always be able to obtain high returns from its sales when compared to the expense that the business has incurred in its operations. Exhibitions help businesses in achieving this objective of higher returns compared to the expenses incurred. The expenses that a business will incur in its operations when conducting exhibitions is less when compared to other forms of marketing such as advertisements. Exhibitions also create an opportunity for higher sales for the business since the company is able to attract more customers through close customer contact, live presentations and demonstrations. Since exhibitions are conducted in one time and in one place, any costs involved such as transportation costs are minimised, customers are able to find the products of the company in one place without having to move from one place to another (Johnston, & Beaton, 1998). This means that exhibitions have a higher return/expense ratio, something which every business always strive to achieve. The higher return/expense ratio is as a result of the following reasons: Many customers or attendees who come to the exhibitions always arrive with a particular agenda or a need which they seek to accomplish at the exhibition. This means that the customers who arrive at the exhibition will not cause the business to incur more expenses in attracting the customers except for what has already been incurred to prepare for the exhibition. In the exhibitions, the business investors do not require to make any sales calls to close the deals with the customers since most of the people who attend have their agenda already set. This means that the business will not incur any extra cost involved n making sales calls since the live presentations and the demonstrations of the company’s products or service are enough to lead the customers to purchase the products or services of the company. Compared to product or services sales calls which are quite costly, the exhibition leads do not require a lot of expense to accomplish or close a deal. Field sales require sales calls to be made by the company but in the exhibitions on the demonstrations and live presentations are enough. This means that exhibitions are much cheaper in helping the business to achieve its main objective of maximizing profits and minimizing expense hence higher returns/expense ratio which is good for the business. Exhibition provides an avenue for the exchange of information between the exhibition attendees and the companies that are displaying their products or services at the exhibition. At the exhibition, the business investor has the opportunity to pass information to the customers about the products or services that the company is offering since the investor comes into face-to-face contact with the new and old customers. These customers will in turn act as a tool of advertising the products and services of the company to those other potential customers who never went to the exhibition. The customers help in advertising the company’s products and services through word of mouth. This helps the company to reach more potential customers without incurring extra costs of advertisement. Therefore, exhibitions help the company to achieve higher return/expense ratio which will in turn mean the company will be able to maximize profits (Frain, 1999). Business-to-Business trading Exhibitions also play an important role in a business if a good exhibition programme is created and implemented by a business. Through exhibition, a company is able to meet with other business investors. This will enable the business to exchange business ideas and information which might be helpful to the running of the business. Exhibitions help the investor to identify and establish new joint ventures and projects by other business investors which may result in partnership hence helping to expand the business. This is because, at the exhibitions, the business investor may meet other business investors who share the same business ideas and beliefs which then could translate into new ventures for the business (Ellis, 2010). New Recruitment There are some many people who attend exhibitions some of who are potential business agents, distributors or even employees for the business. Through the opportunity of face-to-face interaction between the business investor and the exhibition attendees, the business investor has the opportunity of identifying and recruiting new business agents, distributors and even staffs for the business. The business investor does not incur any extra cost in this activity since they are able to meet the potential agents, distributors and even staffs face-to-face without having to locate them. This also helps in saving time in terms of searching for new agents, distributors or even employees (Ellis, 2010). Easy Market Research and Information Gathering When a business investor involves in exhibitions, they have the opportunity of meeting the customers face-to-face. The business investor through live presentations and demonstrations of the products or services of the company is able to obtain an immediate feedback from the new customers or the old customers on the various products or services that the company offers. This can be done through free samples and the live presentations and demonstrations. Since there is face-to-face contact, the customers are able to provide an immediate feedback about the product or the service (Morley, & Lees, 2009). The company can use these feedbacks to improve on its products or services or simply to maintain the quality depending on the feedback they obtain. The company does not have to wait for too long to obtain customer feedback. The feedback obtained by the company at an exhibition can be used immediately by the company to help it achieve more results for its products or services. In addition, through the feedback the company is able to obtain at an exhibition, the company is able to understand the needs of the customers and in turn react immediately to those needs than the competitors in the same market (Huang, & Lund, 2009). Focusing on the needs of the customers is crucial to a business and also helps the business to overcome competition and hence immediate feedback through the interaction at the exhibition, helps the business to keep its focus on the actual needs of the customers. The exhibitions also helps in understanding the strengths and weakness of the competitors since the research results and feedback obtained during the exhibition, can help the business in knowing what areas of business it can improve on to fight off competition. Exhibition helps the business to understand how competitors react to the needs of customers and also to learn the various changes that are taking place within the industry of the business. Research and immediate customer feedback obtained by the company during the exhibition helps the company to stay ahead of the competitors through product or services advancement and the use of new technology. The graph below illustrates the effectiveness of various channels of marketing in the exchange and gathering of information in any business environment: From the Figure 1 above, it can be noted that exhibitions and Personal sales share the same percentage in terms of exchange and gathering of information for the business when engaging customers and other potential business partners. This is due to the reason that, under exhibitions and personal sales, there is close contact with the customer hence the higher chances of getting information in an easy and quicker way. Convenience Marketing requires large sums of money to conduct in a business. This means that the business will not be able to achieve higher profits. On the other hand, in an exhibition, the business needs only to hire a stand where it will display its products and services. This is quite a convenience for the company since the company will not have to spend a lot of money while at the same time the impact of the exhibition will be greater than that experienced with marketing such as advertisement. For those business investors who are not sure of the amount of return on investment they will achieve when first attending an exhibition, this is a very convenient way o introduce products or services to the public at a cheaper cost (Solberg, 2013). Flexibility Every business seeks a way of undertaking its operations while at the same time having the opportunity to change whenever necessary and still achieve its main objective of higher profits. Exhibitions offer an opportunity to be flexible since the business investor has the ability and freedom to customize his/her exhibits for each exhibition that they have to attend. This means that the business investor has the opportunity to experiment on matters such as size and also has the opportunity to configure their exhibits to see and find out what works best for the schedule of exhibitions that the company has to attend in its quest to make profits and expand its markets. Cost effectiveness Exhibitions are quite cost effective to any business especially through the hiring of the exhibition stand. It is also cost effective since exhibitions provide extra options whereby, the business investor is able to stretch the budget for the exhibition to include many other new options that the business investor may not have been able to afford. These may include issues such as dramatic lighting, brochure racks, furniture and even extra large formatted graphics among others which can be added to create a greater impact for the business exhibition at no extra cost hence making exhibitions a lot cheaper than marketing strategies such as advertisement (Raluca, & Cristina, 2008). The graph below helps to demonstrate the effectiveness of exhibition as a method of promoting the products or services of a company when compared to the other channels or strategies such as direct marketing, Print advertising, Public relations, and the internet: From the Figure 2 above, Series 1 represents the Benefits of Products and Services when the various strategies are applied by a business in selling of its products and services. The above Figure 2 demonstrates that a good exhibition programme is quite effective in helping the business to benefit from its products and services since it is able to realize more sales when compared to the other channels of product or service marketing. Series 2 in Figure 1 above represents the impact of the various channels on the building of public relationships with the customers and other potential customers or business partners. From the graph, it can be noted that exhibitions gives a higher percentage when it comes to issue of building public relationship with the customers and potential business partners. This is due to the reason that, under exhibition, the business investor is in close contact with the customers and the potential business partners hence a greater advantage in building public relationship that is stronger (Solberg, 2013). The internet is the poor performer in terms of benefits of the products and services of the company since some aspects such as customer contact is not available. Therefore, it can be said that exhibition, as a mode of product and services marketing has a greater impact in terms of achieving the main objective of every business of maximizing profits and also creating and maintaining great public relationship with customers and the potential investors. The other advantage that is derived from exhibitions is that the business investor has the opportunity to observe and evaluate the products of the competitors of the business. This will enable the business investor to know the strengths and weaknesses of the competitors in terms of the products that they are offering to the customers. Knowing the products or services that the competitors of the business are offering gives the business an added advantage since the investor is able to know what changes to make on their product or services so that they are superior to the products of the competitors (Mei-Chin, & Sui-Ming, 2013). Having superior products or services to those of the competitors will mean that the business is capable of overcoming the competition in the market. Problems Associated with Exhibitions Even though exhibitions may be the best form of business promotion for products and services, there are various challenges or problems that business investors will be faced with in the process of participating in exhibitions or trade shows. Some of those problems are such as increase in costs of construction and exhibits, personnel travelling, boarding and lodging fees which add to the cost of conducting the exhibitions (Honess, 1997). In addition, the choice of which exhibitions to participate in, how much to be spent on every exhibition, and ways of building exhibits that will be attractive to customers are some of the other challenges that are faced by business investors who engage in business exhibitions to sell and promote their products and services. Ways of overcoming challenges involved in Exhibitions There are some considerations and issues that a business investor will need to put in mind so that they can engage in a successful exhibition. In addition, to achieve the above advantages for the business through exhibitions, business investors need to plan and create an exhibition programme that is good and capable of achieving the above advantages and bring high returns for the business (White, 2013). The following are some of the considerations and objectives that a business investor will need to set when engaging in exhibition as a form of promoting the products or services of the company to achieve maximum results: Overall purpose of participation Every business encounter such as involvement and participation in exhibitions requires that a business investor must have an objective they want to achieve through the exhibition. There must be a goal to be accomplished at the end of the exhibition and without setting out the objective or purpose of participation, then success in an exhibition will not be achieved ( Thomas, 1995). Creating actual Sales Business investors who participate in exhibitions must ensure that there are actual sales made during the exhibition. This should be the main objective of participating in an exhibition since more sales translates into more profits for the business. There is no business that wants to incur costs and realize no sales. Therefore, the exhibition must help to realize actual sales for the business for it to be considered successful and beneficial. Identifying potential customers For a successful exhibition, a business investor must have an objective of identifying and obtaining potential new customers for the business and improving on the relations with the older customers. This ensures the business of an added market and creating a new market for the products and services of the company. In addition, the business investor must be able to obtain sales leads for the business. This will enable the business to make sales without making sales calls which are costly. Gathering Competitive Intelligence For a successful exhibition, the business investor must ensure that they are able to obtain competitive intelligence that will give them an added advantage over the competitors. Every business investor who attends an exhibition must be able to information that is relevant for the business and which can help the business to better its performance and achieve higher profits (Havaldar, 2005). Target audience to be reached There are different types of people who attend the exhibitions. For success of the business in an exhibition and to be able o achieve maximum results from the exhibition, the business investor must be able the audience that they want to reach out to with their products and services. Identifying the suitable and targeted audience makes it easy for the business investor to sell their products and services to the targeted market since the products and services will have been made to suit that particular targeted audience. Therefore, based on the various specific objectives that a business investor has laid down for the business, he/she is able to make a decision on which exhibitions to attend that will bring maximum results for the business and at a cheaper cost (Thomas, 1995). Conclusion There are many forms of business promotion that an investor or companies can apply to promote their products or service and achieve results. Businesses have a main aim and objective of maximizing profits at the lowest costs possible. Some of the methods of product or service promotion are costly and the results achieved may not be impressive. Therefore, compared to the other forms of business product or service promotion, exhibition comes out as one of the most effective tool of marketing products or services of a company. 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