The Consequences of the Norman Conquest

The Consequences of the Norman Conquest William of Normandy’s success in the Norman Conquest of 1066, when he seized the crown from Harold II, used to be credited with bringing in a host of new legal, political and social changes to England, effectively marking 1066 as the start of a new age in English history. Historians now believe the reality is more nuanced, with more inherited from the Anglo-Saxons, and more developed as a reaction to what was happening in England, rather than the Normans simply recreating Normandy in their new land. Nevertheless, the Norman Conquest still bought many changes. The following is a list of the major effects. Anglo-Saxon elites, the largest landholders in England, were replaced by Franco-Normans. Those Anglo-Saxons nobles who had survived the battles of 1066 had the chance to serve William and retain power and land, but many rebelled over contentious issues, and soon William had turned away from compromise to importing loyal men from the continent. By William’s death, the Anglo-Saxon aristocracy was all but replaced. In the Domesday book of 1086, there are only four large English landowners. However, there may only have been around 25,000 Franco-Normans out of a population of two million when William died. There was not a massive importation of a new Norman population, just the people at the top.Much of the upper reaches of church government was replaced. By 1087, eleven of fifteen bishops were Norman, and only one of the other four was English. The church had power over people and land, and now William had power over them.Castles: Anglo-Saxons did not, in general, build castles, a nd the Normans started a huge building program in order to help secure their power. The most common early type was wooden, but stone followed. The castle building habits of the Normans has left a mark on England still visible to the eye (and the tourist industry is thankful for it.) The importance of receiving land from a lord in return for loyalty and service grew enormously under the Normans, who created a system of land tenure unmatched in Europe. Quite how homogenous this system was (probably not very), and whether it can be called feudal (probably not) are still being discussed. Before the conquest, Anglo-Saxons owed an amount of service based on regularized units of land holding; afterward, they owed service based entirely on the settlement they had achieved with their overlord or the king.The idea that a person held two types of land – his ‘patrimony’ / family land which he had inherited, and his extended lands which he had conquered – and the idea that these lands could go to different heirs, came into England with the Normans. Familial relationships, of heirs to parents, changed as a result.The links between Scandinavia and England were deeply severed. Instead, England was brought closer to events in France and this region of the continent, leading to the Angevin Empire and then the Hundred Years War. Before 1066 England had seemed destined to stay in the orbit of Scandinavian, whose conquerors had taken hold of large chunks of the British Isles. After 1066 England looked south. Increased use of writing in government. While the Anglo-Saxons had written some things down, Anglo-Norman government vastly increased it.After 1070, Latin replaced English as the language of government.The power of the earls was reduced after Anglo-Saxon rebellions. Earls now held less land, with correspondingly reduced wealth and influence.Royal forests, with their own laws, were created.Higher taxes: most monarchs are criticized for heavy taxes, and William I was no exception. But he had to raise funds for the occupation and pacification of England.A new court, known as the Lords, honourial or seigniorial, was created. They were held, as the name suggests, by lords for their tenants, and have been called a key part of the â€Å"feudal† system.Murdrum fines: if a Norman was killed, and the killer not identified, the entire English community could be fined. That this law was needed perhaps reflects on the problems faced by the Norman raiders.Trial by battle was introduced.Ther e was a large decline in the numbers of free peasants, who were lower class workers who could quit their land in search of new landlords. Far more English land was given to continental monasteries, to hold as ‘alien priories’, then before the Norman Conquest. Indeed, more monasteries were founded in England.Continental architecture was imported en mass. Every major Anglo-Saxon cathedral or abbey, apart from Westminster, was rebuilt bigger and more fashionably. Parish churches were also widely rebuilt in stone.

How to Calculate the 7 Cost Measures

How to Calculate the 7 Cost Measures There are many definitions relating to cost, including the following seven terms: Marginal costTotal costFixed costTotal variable costAverage total costAverage fixed costAverage variable cost The data you need  to  compute these seven figures  probably will come in one of three forms: A table that provides data on total cost and quantity producedA linear equation relating total cost (TC) and quantity produced (Q)A nonlinear equation relating total cost (TC) and quantity produced (Q) Following are definitions of the terms and explanations of how the three situations should be dealt with. Defining Terms of Cost Marginal cost  is the cost a company incurs when producing one more good. Suppose its producing two goods, and company officials would like to know how much costs would increase if production was increased to three goods. The difference is the marginal cost of going from two to three. It can be calculated thus: Marginal Cost (from 2 to 3) Total Cost of Producing 3 – Total Cost of Producing 2 For example, if it costs $600 to produce three goods and $390 to produce two goods, the difference is 210, so thats the marginal cost. Total cost  is simply all the costs incurred in producing a certain number of goods. Fixed costs  are the costs that are independent of the number of goods produced, or  the costs incurred when no goods are produced. Total variable cost is the opposite of fixed costs. These are the costs that change when more is produced. For instance, the total variable cost of producing four units is calculated thus: Total Variable Cost of Producing 4 units Total Cost of Producing 4 Units – Total Cost of Producing 0 units In this case, let’s say it costs $840 to produce four units and $130 to produce none. Total variable costs when four units are produced  is $710 since 840-130710.   Average total cost  is the total  cost over the number of units produced. So if the company produces five units, the formula is: Average Total Cost of Producing 5 units Total Cost of Producing 5 units / Number of Units If the total cost of producing five units is $1200, average total cost is $1200/5 $240. Average fixed cost  is fixed costs over the number of units produced, given by the formula: Average Fixed Cost Total Fixed Costs / Number of Units The formula for average variable costs is: Average Variable Cost Total Variable Costs / Number of Units Table of Given Data Sometimes a table or chart will give you the marginal cost, and youll need to figure the total cost. You can figure the total cost of producing two goods by using the equation: Total Cost of Producing 2 Total Cost of Producing 1 Marginal Cost (1 to 2) A chart will typically provide information regarding the cost of producing one good, the marginal cost  ,and fixed costs. Lets say the cost of producing one good is $250, and the marginal cost of producing another good is $140. The total cost would be $250 $140 $390. So the total cost of producing two goods is $390. Linear Equations Lets say you want to calculate marginal cost, total cost, fixed cost, total variable cost, average total cost, average fixed cost, and  average variable cost  when given a linear equation regarding total cost and quantity. Linear equations are equations without logarithms. As an example, let’s use the equation TC 50 6Q. That means the total cost goes up by 6 whenever an additional good is added, as shown by the coefficient in front of the Q. This means there is a constant marginal cost of $6 per unit produced. Total cost is represented by TC. Thus, if we want to calculate the total cost for a specific quantity, all we need to do is substitute the quantity for Q. So the total cost of producing 10 units is 50 6 X 10 110. Remember that fixed cost is the cost we incur when no units are produced. So to find the fixed cost, substitute in Q 0 to the equation. The result is 50 6 X 0 50. So our fixed cost is $50. Recall that total variable costs are the non-fixed costs incurred when Q units are produced. So total variable costs can be calculated with the equation: Total Variable Costs Total Costs – Fixed Costs Total cost is 50 6Q and, as just explained, fixed cost is $50 in this example. Therefore, total variable cost is (50 6Q) – 50, or 6Q. Now we can calculate total variable cost at a given point by substituting for Q. To find the average total cost (AC), you need to average total costs over the number of units produced. Take the total cost formula of TC 50 6Q and divide the right side to get average total costs. This looks like AC (50 6Q)/Q 50/Q 6. To get average total cost at a specific point, substitute for the Q. For example, average total cost of producing 5 units is 50/5 6 10 6 16. Similarly, divide fixed costs by the number of units produced to find average fixed costs. Since our fixed costs are 50, our average fixed costs are 50/Q. To calculate average variable costs, divide variable costs by Q. Since variable costs are 6Q, average variable costs are 6. Notice that average variable cost does not depend on quantity produced and is the same as marginal cost. This is one of the special features of the linear model, but it wont hold with a nonlinear formulation. Nonlinear Equations Nonlinear total cost equations are total cost equations that tend to be more complicated than the linear case, particularly in the case of marginal cost where calculus is used in the analysis. For this exercise, let’s consider the following two equations: TC 34Q3  Ã¢â‚¬â€œ 24Q 9TC Q log(Q2) The most accurate way of calculating the marginal cost is with calculus. Marginal cost is essentially the rate of change of total cost, so it is the first derivative of total cost. So using the  two given equations for total cost, take the first derivate of total cost to find the expressions for marginal cost: TC 34Q3  Ã¢â‚¬â€œ 24Q 9TC’ MC 102Q2  Ã¢â‚¬â€œ 24TC Q log(Q2)TC’ MC 1 1/(Q2) So when total cost is 34Q3  Ã¢â‚¬â€œ 24Q 9, marginal cost is 102Q2  Ã¢â‚¬â€œ 24, and when total cost is Q log(Q2), marginal cost is 1 1/(Q2). To find the marginal cost for a given quantity, just substitute the value for Q into each expression. For total cost, the formulas are given. Fixed cost is found when Q 0. When total costs are 34Q3  Ã¢â‚¬â€œ 24Q 9, fixed costs are 34 X 0 – 24 X 0 9 9. This is the same answer you get if you eliminate all the Q terms, but this will not always be the case. When total costs are Q log(Q2), fixed costs are 0 log(0 2) log(2) 0.30. So although all the terms in our equation have a Q in them, our fixed cost is 0.30, not 0. Remember that total variable cost  is found by: Total Variable Cost Total Cost – Fixed Cost Using the first equation, total costs are 34Q3  Ã¢â‚¬â€œ 24Q 9 and fixed cost  is 9, so total variable costs are 34Q3  Ã¢â‚¬â€œ 24Q. Using the second total cost equation, total costs are Q log(Q2) and fixed cost is log(2), so total variable costs are Q log(Q2) – 2. To get the average total cost, take the total cost equations and divide them by Q. So for the first equation with a total cost of 34Q3  Ã¢â‚¬â€œ 24Q 9, the average total cost is 34Q2  Ã¢â‚¬â€œ 24 (9/Q). When total costs are Q log(Q2), average total costs are 1 log(Q2)/Q. Similarly, divide fixed costs by the number of units produced to get average fixed costs. So when fixed costs are 9, average fixed costs are 9/Q. And when fixed costs are log(2), average fixed costs are log(2)/9. To calculate average variable costs, divide variable costs by Q. In the first given equation, total variable cost is 34Q3  Ã¢â‚¬â€œ 24Q, so average variable cost is 34Q2  Ã¢â‚¬â€œ 24. In the second equation, total variable cost is Q log(Q2) – 2, so average variable cost is 1 log(Q2)/Q – 2/Q.

Corporate Entrepreneurship Essay Example | Topics and Well Written Essays - 5250 words

Corporate Entrepreneurship - Essay Example Having started in the year 1988, this company started out as a small unit with four tailors and has now gone ahead to become one of the most prestigious names in interior decoration in the state of Orissa. The demand for Dipti's products grew and there was a market for interior decoration. By 1993, Dipti was busy undertaking several turnkey projects for complete furnishing of guest houses, hotels, as well as the Governor's residences in the state of Orissa. Orissa is a small state in the Eastern part of India. It is cut off from any major development that takes place elsewhere in the country. For this reasons, Dipti wanted to shift. Following are the problems that she has encountered: Before laying down the formal plan of action, it is necessary to understand the elements that will be involved in the strategy that has been developed later in the paper, from the perspective of the company. This will help us understand the exact application of the theories through the length and breadth of the paper. A major part of Dipti's plan of action must include following a strategy based on gaining competitive advantage as well as achieving sustainable entrepreneurial growth. Let us first examine competitive advantage to see how and where it will fit in with the overall growth and expansion of the Anukul group. Michael E Porter has paved the way for re... Difficulty in managing HR: Dipti does not know the local language and hence she has had a problem with finding employees. Bangalore is a big city and she still needs to cross a variety of learning curves in order to know the market and prospective clients. Competitive Advantage and Sustainable Entrepreneurial Growth: Before laying down the formal plan of action, it is necessary to understand the elements that will be involved in the strategy that has been developed later in the paper, from the perspective of the company. This will help us understand the exact application of the theories through the length and breadth of the paper. A major part of Dipti's plan of action must include following a strategy based on gaining competitive advantage as well as achieving sustainable entrepreneurial growth. Let us first examine competitive advantage to see how and where it will fit in with the overall growth and expansion of the Anukul group. Michael E Porter has paved the way for revolutionary strategising trends and a whole new perspective on competition through his competitive advantage theory. In the corporate world, Porter's first book Competitive Strategy (1980), which he wrote in his thirties, became an international best seller, and is considered to be an authoritative piece of work on corporate strategy. The book, which has been published in nineteen languages and re-printed approaching sixty times, changed the way business leaders' minds worked. Further, it remains a guide of choice for strategic managers on a global scale. Apart from being rich in lessons about why and how industries, regions, and nations succeed or fail, this book is of great value as

Environmental Science Research Paper Example | Topics and Well Written Essays - 250 words

Environmental Science - Research Paper Example This power is not limited to controlling the face of our own government through consistent, record-breaking, campaign contributions, but also the fate of millions of people and the planet itself through jobs, resource exploitation, pollution, working conditions, energy consumption, forest destruction, and so on. Make no mistake, these new power centers are not democracies. We don’t vote for the CEO’s or the policies (unless we are rich enough to be significant shareholders, who are informed enough to know what’s going on, and compassionate enough to care about more than just personal profit), yet our destinies are increasingly left in their hands. The Solution: As these power centers shift, we must shift our own voices if we wish to be heard. As citizens, on average, we might vote once every four years, if at all. As consumers, we vote every single day with the purest form of power †¦ money. The average family spends around $18,000 every year on goods and se rvices. Think of it as casting 18,000 votes every year for the kind of world you want to live in. Unfortunately, as difficult as it is to find good, solid information on candidates during an election year, it’s often even harder to find good, solid information on corporations.

Negative Cannabis Essay Example for Free

Negative Cannabis Essay Youngsters use cannabis these days too. Marijuana users are at increased risk of impairment of memory, attention, concentration, and judgement. It is a high risk for youngsters at the age of 14 to 17 years old to use; whereas many youngsters use cannabis as often as they smoke a cigarette these days. Children start taking cannabis because they have easy access to buying this drug at a young age. This can be from their mates who are dealing. Dealers will sell to anyone for their profit and I think youngsters taking this drug shouldnt have easy access to buying it. The level of harm should make no difference. Heavy use of cannabis may cause the user to lack interest in work, relationships, and personal health, which is known as Amotivational Syndrome. Cannabis is most likely to effect women that use the drug; where it can disrupt their menstrual cycle and gives them an increased risk of fertility problem. Smoking marijuana damages short-term memory, which occurs because of a chemical found in cannabis, called delta-9-tetrahydrocannabinol (THC), which affects the memory part of the brain called the hippocampus. When cannabis is smoked it can cause: coughing, asthma, upper respiratory problems, racing heart, feeling tense and dizzy. A user might also feel light-headed or faint. Different people that use cannabis might feel differently towards the drug, some might not even feel any effects. Clearly cannabis has complicated effects on the users memory, but its effects have been varied in many cases with the user. Whether cannabis is harmful of beneficial is still unknown and depends on the users biology and point of view, when taken. Using cannabis is heavily restricted in many countries, and in many years it may be legalised in some countries. It is legal to use in some countries like Hong Kong. From all my research that Ive done there is still a positive and negative outcome towards cannabis. That doesnt mean the drug is safe or unsafe to use. But cannabis is a well known by most people and some people believe it is a less harmful drug than others although this has not been confirmed.

Legality vs. Human Bonding in A Jury of Her Peers Essay -- A Jury of H

In "A Jury of Her Peers" Susan Glaspell shows how human bonding can override legalities that society has. This is shown by Mrs. Hale and Mrs. Peters bonding with Minnie by understanding her daily life as they are in her home. The two women feel a connection with Minnie because their lives are very similar to that of hers. By the two women understanding and having a connection with Minnie they notice the small trifles that leads to them finding evidence and motive for Minnie murdering her husband. Mrs. Hale and Mrs. Peters were only in Minnie's home for a short period of time yet this revealed to them that Minnie was much like them. As Mrs. Hale was leaving her house to go with the others to Minnie's house she noticed something in her kitchen. "It was no ordinary thing that called her away -- it was probably further from ordinary than anything that had ever happened in Dickson county. But what her eye took in was that her kitchen was in no shape for leaving: her bread ready for mixing, half the flour sifted and half unsifted." (paragraph 1). Later while at Minnie's house, Mrs. Hale noticed something very similar: "She looked around the kitchen. Certainly it was not slicked up. Her eye was held by a bucket of sugar on a low shelf. The cover was off the wooden bucket, and beside it was a paper bag --- half full. Mrs. Hale moved toward it. She was putting this in there, she said to herself -- slowly." (paragraph 108). Mrs. Hale and Minnie ar...

Child Abuse and Major Long Term Essay

Description of the possible signs, symptoms, indicators and behaviours that may concern in the context of safeguarding Children are usually abused by someone in their immediate family cycle. This can include parents, brothers, sisters, babysitters and other familiar adult. Children can be abused by age of up to 18 years and they likely to be at risk of physical injuries, sexual abuse, neglect, emotional abuse or verbal abuse. Child abuse can have major long term effects on all aspects of a child’s health, development and well being. The main forms of maltreatment are: Neglect sign; A child come to school usually with dirty skin, hair and clothes or without jacket in winter. Children in the school may feel hungry and tiredness or being left alone unsupervised. Even then they are sick not taken to GP for medical treatment. A child frequently absent from school and beg steal food or money. Possible symptom: A child appear to be indifferent and a child seems apathetic depressed. A lso the a child behave irrationally or in a bizarre manner. ————————————————- Impact of neglect: Impact of neglecting a child can cause brain damage and also have psychological implications such as cognitive delays or emotional difficulties. Psychological problem often manifest as high risk behaviour problem, depression and anxiety in children Emotion abuse: When a child feel furious, sad and crying and behaving inappropriately in the class that mean he is being emotional abused. Sign: When a child is being emotional abused he may chose dark colour to paint on the paper. Feeling low self esteem, seeking attention from others, behaviour difficulties, continual rocking, hair twisting, delayed development Possible symptom: CYP will delayed in languages development and play skills and have impaired ability to enjoyment in play. Not trusting other and feeling nervous all the time. CYP will feel guilty, ashamed and withdrawal of social interaction. Their mode will change and they frequently blaming others people. ——————†”—————————- Effects: emotional abuse is the most difficult form of a child maltreatment identify and to prevent. Babies who are emotionally abused may slow or fail to develop. Physical abuse Signs: Physical abuse is when children are being physical abused by someone. This can be involved hitting, biting, punching,  kicking, burning, scalding, shaking, throwing or beating with object such as stick and belt. It also includes poisoning, giving a child alcohol, drug Symptoms: Practitioner need to have acknowledgement of physical abuse and there signs to protect children from harm. Any injuries which parent doesn’t inform practitioner or children may not received medical treatment, can raise concern of abuse. Sometime children may refused to change clothe on PE day because they want to hide their injuries signs ————————————————- Effects: Physical abuse can lead child physical injuries, disability and in extreme cases can cause death. Physical abuse has been link to emotional & aggressive behaviour in children as well as can cause learning difficulties. Sexual abuse sign: Recurrent urinary infection, genital and rectal itching, blood in under paint and soreness, inappropriate behaviour and regarding age and ability, children may feel lack of trust, regression and become isolated and withdrawn Symptom: CYP will behave aggressive and disruptive behaviour and feeling afraid when they left alone. Difficulties in walking and setting and wearing so many layer of clothe. Change in behaviour around specific person and try to avoid familiar adult. Sexual acting and inappropriate sexual play. Also lack of interest playing with friend, sport and any other activities in the school. ————————————————- Effect; The severe effect of sexual abuse can be on children they may suffer mental health problem, depression, identity confusion, behaviour difficulties and also emotional problem. References Describe That Possible Signs, Symptoms, Indicators and Behaviours That May Cause Concern in the Context of Safeguarding. http://www.studymode.com/essays/Describe-That-Possible-Signs-Symptoms-Indicators-878910.html(5/11/2012) Describe That Possible Signs, Symptoms, Indicators and Behaviours That May Cause Concern in the Context of Safeguarding http://www.silkysteps.com/forum/showthread.php?t=13536 (5/11/2012) Recognizing Child Abuse and Neglect: Signs and Symptomhttp://www.childwelfare.gov/pubs/factsheets/signs.cfm(6/11/2012) Meggitt C (2011) Cache Level 3 Diploma Children and Young People

Local and National Provision Research Essay

Research and write about the local and national provision for your preferred sport. The aim of this assignment is to research the local and national provision for tennis. The main governing body for tennis is the Lawn Tennis Association. I will research how the LTA provides funding and helps players from a beginner level to and elite level. There are many ways in which a performer can improve and compete, I will research how these are done and what help is given. Often there isn’t sports provision for those with disabilities, i will investigate what is available in tennis. I will also research what is available in our area. Tennis venues in Suffolk include ? Park courts ? Clubs and village courts ? School and education facilities Tennis courts in parks are generally maintained and run by local authorities for example in Bury St Edmunds there are courts in the Abbey Gardens. Courts are expensive to hire at around à ¯Ã‚ ¿Ã‚ ½5 per hour. There are several clubs in West Suffolk for example The Risbygate Club in Bury St Edmunds. There is a joining fee for the club, which is quite expensive particularly for young people however, the subsequent cost of hiring the court is cheaper than / A number of villages in the West Suffolk area have their own communal courts which you can access providing you are a resident in the village, for example Bardwell has 2 courts. There are no indoor courts in West Suffolk therefore tennis is mostly played through spring and summer. Tennis lessons for children are available throughout the year in venues such as local leisure centres and schools where mini courts and practise sessions can be set up. For those who wish to compete there is the Glasswells tournament in the summer,in Bury St Edmunds, all other competitions take place further a field which require transport to get there. The LTA is the main tennis governing body. It makes these opening statements on its website â€Å"OUR VISION, To make Britain a great tennis nation. OUR MISSION, More players, Better players.† (www.LTA.org.uk) The LTA aims to develop tennis from the grass roots of tennis to international success. They have clear priorities, juniors, clubs and performance. They believe in order to succeed, tennis needs to be played from a young age, money is invested in encouraging very young children to the game and helping them develop their skills to become talented players who will represent their country. The British Tennis Foundation is the official tennis charity. It works alongside the LTA, to provide opportunity for young people and those with disabilities. It helps organise come and try sessions, national training programmes and international tournaments. The Central Council of Physical Recreation CCPR is responsible for distributing lottery money to national governing bodies, some of this money is given to the LTA to invest in the development of tennis. The National Coaching Federation NCF aims to improve the standard of coaching in the UK. It runs courses to ensure coaches are fully qualified and are able to coach participants to the very highest standards. This enables players to be coached my the very best and produce a very competitive edge. Many talented performers begin playing tennis at a very young age, they gradually move up through club age groups. When a youngster with talent is spotted their coaching becomes more intense and their level of competition increases. The LTA has a system of tennis coaching which begins young and carries on to senior tennis.   4-8years, mini tennis, this is fun and ensures tennis is enjoyable and played regularly 8-10years, club futures, clubs and coaches provide opportunities for juniors with talent to compete and be involved in club performance programmes 11-13years, county futures, talented players are spotted from club futures to be part of a nationwide programme at county level 11-14years, national futures, young competitors who have the right athletic ability, competitive attitude, mental balance and behaviour are chosen and are provided with the technique to succeed on the international stage   14-22years, academies and intermediate, preparing players to make the step from junior to senior game by providing competitions and physical conditioning 22+, senior players, intensive coaching and training. If a talented player wishes to pursue a career in tennis but also study for a degree at university, special scholarships are available to ensure top coaching is still available but alongside studies. Wheelchair tennis can be played against others in wheelchairs or able bodies players. The International Tennis Foundation regulates the wheelchair game. The ITF ensures wheelchair competitors can compete in the worlds most prestigious events. Wheelchair tennis can be played on regular tennis courts, so some facilities are available. Many wheelchair players are discriminated against and there are no wheelchair teams locally. This is because nationally wheelchair isn’t as widely played as able bodied tennis. Tennis provision is minimum at the moment, but it is higher than it has been. The LTA is committed to developing the game and with encouragement from those already participating I believe in the future tennis will have the best facilities and provision, regardless of their age, gender, or ability. www.wtatour.com www.itfwheelchairtennis.com www.itfjuniors.com www.minitennis.com www.btf.com www.lta.org.uk

Biology on Surface Area to Volume Ratio Essay Essay Example

Biology on Surface Area to Volume Ratio Essay Essay Example Biology on Surface Area to Volume Ratio Essay Paper Biology on Surface Area to Volume Ratio Essay Paper As we all know. many chemical reactions go on within both unicellular and multicellular beings. Many utile substances have to spread into different cells in order to assist supply the necessary energy needed for these reactions to go on. at the same clip. the waste merchandises produced after these reactions have taken topographic point have to be removed and excreted. As the being increases in size through growing. more chemical activity will hold to go on and the rate of metamorphosis will besides increase. which means that more substances have to be taken in and to besides be removed. This is where the surface country to volume ratio comes into topographic point ; the ground why this ratio is so of import is because the surface country of a cell basically affects the rate of the transferring of utile substances ( through diffusion and osmosis etc. ) in and out of the being. On the other manus. the entire volume of the being besides affects the rate of the devising of stuff inside the cell and the ability to keep all of the substances. Whilst beings are easy turning and developing twenty-four hours by twenty-four hours. the volume of the being additions. but non to the same extent as the surface country ; this is because the organisms’ surface country additions at a much slower rate than its volume. Through research and experiments. it is evident that as the being grows. its surface country to volume ratio easy decreases. the tabular array to the right besides proves that this theory is true ; intending that it would go progressively hard for the being to obtain the needed foods and besides throw outing the wastes produced by metamorphosis. In the terminal. it becomes impossible for diffusion to happen expeditiously. where the cells becomes excessively big so they would split through the procedure of mitosis. For illustration. the air sac in our lungs have a comparatively high big surface country to volume ratio. significance that gas exchange in worlds happen at a fast and efficient rate ; the air sac has a big surface country for diffusion to go on. utile substances can spread into the blood vass easy. but at the same clip. the waste merchandises ( C dioxide ) can spread back into the air sac from the blood vas so that they can be breathed out easy.

Hindenburg Disaster

Hindenburg Disaster The suddenness of the disaster was shocking. At 7:25 p.m. on May 6, 1937, while the Hindenburg was attempting to land at the Lakehurst Naval Air Station in New Jersey, a flame appeared on the outer cover of the rear of the Hindenburg. Within 34 seconds, the entire airship was consumed by fire. Take-off On May 3, 1937, the captain of the Hindenburg (on this trip, Max Pruss) ordered the zeppelin out of its shed at the airship station in Frankfurt, Germany. As was usual, when all was ready, the captain shouted, Schiff hoch! (Up ship!) and the ground crew released the handling lines and gave the giant airship a push upward. This trip was the first of the 1937 season for passenger service between Europe and the United States and it wasnt as popular as the 1936 season. In 1936, the Hindenburg had completed ten successful trips (1,002 passengers) and was so popular that they had to turn away customers. On this trip, the first of the 1937 season, the airship was only half full, carrying 36 passengers despite it being equipped to carry 72. For their $400 ticket ($720 round trip), the passengers could relax in the large, luxurious common spaces and enjoy fine food.  They could play, sing, or  listen to the baby grand piano on board or just sit and write postcards. With 61 crew members on board, the passengers were well accommodated. The luxury of the Hindenburg was a marvel in air travel. Considering that passengers were not taken across the Atlantic in heavier-than-air crafts (airplanes) until 1939, the novelty as well as the luxury of traveling in the Hindenburg was astonishing. The smoothness of the ride took many of the Hindenburgs passengers by surprise. Louis Lochner, a newspaperman, described the trip: You feel as though you were carried in the arms of angels.1 There are other stories of passengers waking up after several hours aloft questioning the crew as to when the ship was to take off.2 On most trips across the Atlantic, the Hindenburg maintained an altitude of approximately 650 feet and cruised around 78 mph; however, on this trip, the Hindenburg encountered strong head winds that slowed it down, pushing back the Hindenburgs arrival time from 6 a.m. to 4 p.m. on May 6, 1937. The Storm A storm was brewing over the Lakehurst Naval Air Station (New Jersey) on the afternoon of May 6, 1937. After Captain Pruss had taken the Hindenburg over Manhattan, with a glimpse of the Statue of Liberty, the airship was nearly over Lakehurst when they received a weather report that stated winds were up to 25 knots. In a lighter-than-air ship, winds could be dangerous; thus, both Captain Pruss and Commander Charles Rosendahl, the officer in charge of the air station, agreed that the Hindenburg should wait for the weather to improve. The Hindenburg then headed southward, then northward, in a continuing circle while it waited for better weather. Family, friends, and newspapermen waited at Lakehurst for the Hindenburg to land. Most had been there since the early morning hours when the airship was first scheduled to land. At 5 p.m., Commander Rosendahl gave the order to sound Zero Hour - a loud siren beckoning the 92 navy and 139 civilian ground crew personnel from the nearby town of Lakehurst. The ground crew were to help the airship land by hanging on to mooring lines. At 6 p.m. it began to really rain and soon after began to clear. At 6:12 p.m., Commander Rosendahl informed Captain Pruss: Conditions now considered suitable for landing.3 The Hindenburg had traveled perhaps a little too far and was still not at Lakehurst at 7:10 p.m. when Commander Rosendahl sent another message: Conditions definitely improved recommend earliest possible landing.4 Arrival Not long after Commander Rosendahls last message, the  Hindenburg  appeared over Lakehurst. The  Hindenburg  made a pass over the airfield before coming in for landing. Circling over the airfield, Captain Pruss tried to slow down the  Hindenburg  and to lower its altitude. Perhaps worried about the weather, Captain Pruss made a sharp left turn as the airship approached the mooring mast. Since the  Hindenburg  was a little tail heavy, 1,320 pounds (600 kg) of ballast water was dropped (often, unwary onlookers who had ventured too close to an approaching airship would get drenched from ballast water). Since the stern was still heavy, the  Hindenburg  dropped another 1,100 pounds (500 kg) of ballast water and this time did drench some of the onlookers. At 7:21 p.m., the  Hindenburg  was still about 1,000 feet away from the mooring mast and approximately 300 feet in the air. Most of the passengers stood by the windows to watch the onlookers grow larger as the airship decreased its altitude and to wave at their family and friends. The five officers on board (two were just observers) were all in the control gondola. Other crewmen were in the tail fin to release mooring lines and to drop the rear landing wheel. A Flame At 7:25 p.m., witnesses saw a small, mushroom-shaped flame rise from the top of the tail section of the  Hindenburg, just in front of the tail fin. The crewmen in the tail of the airship said they heard a detonation which sounded like the burner on a gas stove turn on.5   Within seconds, the fire engulfed the tail and spread quickly forward.  The mid-section was completely in flames even before the tail of the  Hindenburg  hit the ground. It took only 34 seconds for the entire airship to be consumed by flames. The passengers and crew had only seconds to react. Some jumped out of the windows, some fell. Since the  Hindenburg  was still 300 feet (roughly equal to 30 stories) in the air when it caught fire, many of these passengers did not survive the fall. Other passengers got wedged inside the ship by moving furniture and fallen passengers. Other passengers and crew jumped from the ship once it neared the ground. Even others were rescued from the burning bulk after it had hit the ground. The ground crew, which had been there to assist the craft in mooring, became a rescue crew. The injured were taken to the airfields infirmary; the dead were taken to the press room, the impromptu morgue. The Radio Broadcast On the scene, radio broadcaster Herbert Morrison captured his emotion-filled, first-hand experience as he watched the  Hindenburg  burst into flames. (His radio broadcast  was taped and then played to a shocked world the following day.) Aftermath Considering the quickness of the catastrophe, it is amazing that only 35 of the 97 men and women on board, plus one member of the ground crew, died in the  Hindenburg  disaster. This tragedy - seen by so many via photographs, news-reels, and radio - effectively ended commercial passenger service in rigid,  lighter-than-air crafts. Though it was assumed at the time that the fire was caused by a hydrogen gas leak ignited by a spark of static electricity, the cause of the disaster is still controversial. Notes 1. Rick Archbold,  Hindenburg: An Illustrated History  (Toronto: Warner/Madison Press Book, 1994) 162.2. Archbold,  Hindenburg  162.3. Archbold,  Hindenburg  178.4. Archbold,  Hindenburg  178.5. Archbold,  Hindenburg  181.

Client-Server Communications Technology Research Paper

Client-Server Communications Technology - Research Paper Example In the structure of the client-server network we have two separate methods that are employed in information, data communications, and transfer valuable data. Every method of data communication has its own advantages and limitations. We categorize the structure of the client-server network communication in connection-oriented method and the connectionless communication methods: Connection-oriented  communication method:   This scheme needs an early communication session association (that is comparable phone call systems) which will be recognized previous to some data and information can be sent. This technique is frequently acknowledged as a "dependable and more reliable" network communication service. It is able to assure that information and data will reach the destination similar order. Connection-oriented communication mode and services establish (set-up) virtual connection among end systems in the course of a client-server network (Tenenbom, 1996). If you need to make certain that a particular data arrives at its destination, then this method can be used. This method gives a response to show that data was received successfully (Nash, 2000). Connectionless communication method:  Ã‚  This is similar to the posting a letter. One the letter has been posted then there is no response regarding its arrival, whether it arrived or not. This is a faster way of communication due to less overhead (Nash, 2000). This way of data and information communication does not need a startup session association among receiver and sender. The sender just initiates the course of the transmitting data packets (those are acknowledged here as datagrams) to the destination host. This way of data communication is not as consistent as compared to the connection-oriented technique, on the other hand, it is helpful for episodic or one by on burst transfers. Neither communication systems have to uphold communication state information intended for the arrangement that they drive transmission to or take delivery of transmission from. A connectionless communication network presents minimum services.