Tuesday, November 26, 2019
The Cultural Revolution of the 1920s Essays
The Cultural Revolution of the 1920s Essays The Cultural Revolution of the 1920s Essay The Cultural Revolution of the 1920s Essay The 1920s were times of cultural revolution.The times were changing in many different ways.Whenever the times change, there is a clash between the old and the new generations.The 1920s were no exception. In Dayton, Tennessee, 1925, a high school biology teacher was arrested.He was arrested because he taught the theory of evolution. The teacher, John T. Scopes, was accused of having violated the Butler Act.This was a Tennessee law that forbade the teaching of the theory of evolution in public schools.The Tennessee legislature felt that teaching evolution was wrong because it contradicted the creation theory of the Bible.The Scopes trial received worldwide publicity.The press nicknamed it the Monkey Trial because, people believed that the theory of evolution meant that humans were descended from monkeys. Clarence Darrow was the defense lawyer.Former U.S. secretary of state William Jennings Bryan was the prosecutor.The defense argued that the Butler Act was unconstitutional.They did n ot deny that Scopes had broken the law. He was convicted and fined $100. Darrow was quoted as saying, Scopes isnt on trial, civilization is on trial.The world was changing and scientific advances made it harder to fully accept the Bibles interpretation of creation.The older generation seemed set in their ways.It would seem that a science was on trial defending itself against traditional beliefs. The Red Scare was the result of wartime tensions.There was a growing fear of communism during the 1920s.The Red Scare became like a witch-hunt.Everyone was suspicious of each other.U. S. Attorney-General Palmer planned a round up of communists.January 2, 1920, he ordered department raids on meeting halls and homes in thirty cities nationwide to gather all suspected communists.Twenty seven hundred people were arrested without being charged with a specific crime.In all, more than 6,000 people were arres
Friday, November 22, 2019
Debunking Ring a Ring a Roses
Debunking Ring a Ring a Roses There is a myth that the British childrenââ¬â¢s rhyme Ring a Ring a Roses is all about the plague- either the Great Plague of 1665-6 or the Black Death centuries earlier- and dates from those eras. The words describe the contemporary practice in treating it, and refer to the fate so many befell. The Truth The earliest known use of the rhyme is the Victorian era, and it almost certainly doesnââ¬â¢t date back to the plague (any of them). While the lyrics can be interpreted as being loosely connected to death and disease prevention, this is believed to be just that, an interpretation given in the mid-twentieth century by overeager commentators, and are not a direct result of plague experience, or anything to do with it. A Childrenââ¬â¢s Rhyme There are many variations in the words of the rhyme, but a common variant is: Ring a ring a rosesA pocket full of posesAtishoo, AtishooWe all fall down The last line is often followed by the singers, usually children, all falling down to the ground. You can certainly see how that variant sounds like it might be something to do with the plague: the first two lines as references to the bundles of flowers and herbs which people wore to ward away the plague, and the latter two lines referring to illness (sneezing) and then death, leaving the singers dead on the ground. Itââ¬â¢s easy to see why a rhyme could be connected to the plague. The most famous of these was the Black Death, when a disease swept across Europe in 1346ââ¬â53, killing over a third of the population. Most people believe this was the bubonic plague, which causes black lumps over the victim, giving it the name, although there are people who reject this. The plague was spread by the bacteria on fleas on rats and devastated the British Isles as much as continental Europe. Society, economy, and even war was changed by the plague, so why wouldnââ¬â¢t such a massive and horrifying event have ingrained itself into the public consciousness in the form of a rhyme? Robin Hoodââ¬â¢s legend is about as old. The rhyme is linked to another outbreak of plague too, the Great Plague of 1665-6, and this is the one which was seemingly stopped in London by the Great Fire burning a huge urban area. Again, there are surviving stories of the fire, so why not a rhyme about the plague? One common variant in the lyrics involves ashes instead of atishoo, and is interpreted as either cremation of corpses or skin blackening from the diseased lumps. However, folklorists and historians now believe that the plague claims date only from the mid-twentieth century, when it became popular to give existing rhymes and sayings older origins. The rhyme began in the Victorian era, the idea it was plague-related began only a few decades ago.à However, so widespread was the rhyme in England, and so deep in childrenââ¬â¢s consciousness did it lodge, that many adults now connect it to the plague.
Thursday, November 21, 2019
Questions&Answers. Business ethics Essay Example | Topics and Well Written Essays - 750 words
Questions&Answers. Business ethics - Essay Example The author claims that a worker that constantly follows some strict working conditions without any opportunity to express oneââ¬â¢s personality and bring it into the product feels like the life has no meaning (2008). The reason is that people need to bring some part of them into the product they make, so they want to use their potential as much as possible. Thus, modern companies often donââ¬â¢t need the workers that want to express themselves, that are active, enterprising, and initiative, because such people can bring problems into the process of production that requires precise instructions followed and maximum of obedience. Although, it is impossible to say that production doesnââ¬â¢t work for people because for many workers their jobs actually help them to express their personalities and apply their skills. 2. In order to justify the production that destroys both personality and human value enterprisers have to change their approach to both their workers and the people who are supposed to use their production. The fact that enterprisers treat their workers as tools of production is the typical tendency in modern capitalistic world. During the process of production, where a worker canââ¬â¢t express oneââ¬â¢s personality and use oneââ¬â¢s talents, the worker is being assaulted by the process of manufacturing itself and becomes alienated from both the work one does and his life itself where it is impossible for him to get self-assurance. Another aspect of production that destroys human value is actually the results of production and producersââ¬â¢ treatment of those who will buy the product. Buyers are considered to be the objects where enterprisers get their money from. Thus, the only thing enterprisers are concerned about is in what way they can lure their buyers but not how can they please their customers as personalities and equal human beings. In order to justify production and avoid such humiliating
Tuesday, November 19, 2019
The Federal Court House on Habeas Corpus Essay Example | Topics and Well Written Essays - 500 words
The Federal Court House on Habeas Corpus - Essay Example The main conflict arises in the possibility that this design will be abused by others, thus also staining the justice system. The inability to execute judgment to someone who is guilty is also clearly seen by the law as one form of injustice. Habeas corpus petition are filed by convicted prisoners as a challenge to the validity of their conviction; citing particular reason that police, prosecutor, defense counsel or even the trial court have deprived the convicts of their Federal Constitutional Rights such as "the right to refuse to answer questions when placed in police custody, the right to a speedy and fair trial, and the right to effective assistance of counsel" (Roger A. Hanson,Henry W.K. Daley, September 1995). An article in the Duke Journal sees one unintended result happening with the presence of habeas corpus. "Modern habeas law is predicated on the assumption that a state prisoner seeking habeas relief is attacking the legality of his confinement by alleging a constitutional error in the decision that led to his incarceration. Federal habeas, in other words, provides collateral review of earlier rulings by state courts. But almost 20 percent of federal habeas petitions filed by state prisoners do not challenge state court judgments. They attack instead the constitutionality of administrative actions by state prison officials or parole boards, taken long after the petitioner's conviction and sentencing" (Nancy J. King, 2009).
Sunday, November 17, 2019
Physiological adaptations to Exercise of an Aerobic Training Program Essay Example for Free
Physiological adaptations to Exercise of an Aerobic Training Program Essay Fitness is popular nowadays, as its profitability to health, beauty, physical and psychological state of a person has was proved by multiple research and practice long time ago. However, one should be really careful in choosing an aerobic training program. There are lots of factors to think about and keep in mind while selecting an appropriate aerobic training program. First of all, let us define what aerobic training is. They distinguish two types of exercise in physical exercise aerobic and anaerobic. Aerobic literally means with oxygen and refers to the use of oxygen in muscles energy-generating process. Aerobic exercise includes any type of exercise, typically those performed at moderate levels of intensity for extended periods of time, that maintains an increased heart rate. The aerobic exercises are so popular nowaday due to the fact, that this is by far the most effective way of burning fat: in aerobic exercise oxygen is used to burn fats and glucose in order to produce adenosine triphosphate, the basic energy carrier for all cells. There are various types of aerobic exercise. The key point in aerobic exercise that it is performed over a long period of time. Thus, running a long distance at a moderate pacem for example, is an aerobic exercise, while sprinting is not (Donatelle). The objective of this paper is to examine one of the many aerobic training programs and the psysiological adaptations of the various systems of the body, occuring over a lengthy course (6 months), and also acute responses to exercise. The period of 6 months was chosen, because this period is usually enough for initial permanent adaptation of the body to exercise and displaying first major physiological changes. Let us choose group aerobic training program as an example. The program consists in learning the combinations of various degree of complexity (basic movements of classical aerobics). The course is designed for regular training, 55 minutes, 3 times a week. Among the recognized benefits of this training course are the following: â⬠¢ Strengthening the muscles involved in respiration, to facilitate the flow of air in and out of the lungs, Strengthening and enlarging the heart muscle, to improve its pumping efficiency and reduce the resting heart rate, â⬠¢ Toning muscles throughout the body, which can improve overall circulation and reduce blood pressure, â⬠¢ Increasing the total number of red blood cells in the body, to facilitate transport of oxygen throughout the body, â⬠¢ Increased storage of energy molecules such as fats and carbohydrates within the muscles, allowing for increased endurance, â⬠¢ Neovascularization of the muscle sarcomeres to increase blood flow through the muscles. As a result, these aerobic exercises, just like many other aerobic training courses, reduce the risk of death due to cardiovascular problems. Besides, they stimulate bone groth and reduce the risk of osteoporosis. Aerobic exercise is, however, an extremely valuable component of a balanced exercise programme and is good for cardiovascular health, despite the fact that it somewhat neglects muscular strength, especially upper-body muscular strength development. Over a course of any training, there are some processes, going on in an athleteââ¬â¢s body ââ¬â the processes of adaptation. There are several key concepts of physiological adaptation, relevant to the aerobic training program examined: the quality of muscle tissue can change after only several workouts; the type of exercise stimulus causes specific adaptations; genetic potential dictates the absolute magnitude of training adaptation; smaller and smaller gains are observed as a person reaches their genetic potential; with training, performance gains cause changes in more than one physiological system; adaptational responses are dynamic and are related to an individuals age and stage of physical development. Magnitude of gain is related to the size of the athleteââ¬â¢s adaptational window; the amount of adaptation is related to the effectiveness of the exercise prescription. Variation is necessary to keep the exercise stimulus effective in eliciting positive changes. We can distinguish short-term adaptation and long-term adaptation. Short ââ¬âterm adaptation is a change of physical condition and physiological processes, going on in the body of an athlete immediately after a training. Metabolic activity and increased muscle soreness are some of them. As far as metabolism is concerned, aerobics does not notably increase the resting metabolic rate as much as some forms of weight-training, and may therefore be less effective at reducing obesity. However, this form of exercise also allows for longer, more frequent activity and consumes more energy when the individual is active. In addition, the metabolic activity of an individual is heightened for several hours following a bout of aerobic activity. Aerobic training course of this type can also be used by individuals with anorexia as a means of suppressing appetite, since aerobic exercise increases glucose and fatty acids in the blood by stimulating tissues to release their energy stores. While there is some support for exercising while hungry as a means of tapping into fat stores, most evidence is equivocal. In addition, performance can be impaired by lack of nutrients, which can impair training effects. Among other impacts on metabolism we may mention metabolic energy stores changes: stored creatine phosphate, ATP, triglycerides and glycogen increase in the course of aerobic training. This is both short- and long-term change (Foran, 57-64). There are also other long-term effects on the body. Let us examine some of them, arranged in groups according to body parts or other physiolocal parametres, affected by the training. All of them are effects of an above-mentioned aerobic training course. Performance: This parameter includes changes in general callisthenics. Here we can mention increase of muscle endurance (low power output), aerobic power, sprint speed (very slight increase)and practically no change in muschle strength and anaerobic power. Body composition The aerobic training course does not influence the amount of fat free mass of a person, however, it decreases percent body fat. Muscle Fiber The aerobic training course allows for capillary density increase, mitochondrial density increase and convertion of muscle fiber to type II. However, the training course does not change the muscle fiber size or fast heavy chain myosin. Aerobic training course also has some influence on bone and connective tissues of the body. Though bone dencity practically does not change with aerobic exercises, some changes in collagen content, tendon strength and ligament strength especially might occur.
Thursday, November 14, 2019
Exxon Oil Spill Essay -- essays research papers
Oil spills have often occurred too many times in this world. Unfortunately, when this does happen, there is always losses of life. Many people are affected by it. There is always a price to pay. On March 24, 1989 the Exxon Valdez oil tanker spilt all its oil into the ocean. à à à à à Going about twelve miles per hour, the doubt of a oil spill was highly unlikely. But, when the oil tanker hit Bligh Reef in Alaskaââ¬â¢s Prince William Sound, the worst oil spill in United States history occurred. Consequently, more than eleven million gallons of oil spued into the ocean. In addition, more than thirteen hundred miles of shoreline was coated with oil. Furthermore, the slick would have covered more than three football fields in width. It was the fifty-third ranked spill in the world and the worst the United States has ever seen. Many places would be contaminated by the oil. à à à à à Not only did the oil spill into the ocean, it also got on shore. More than one thousand miles of shore line was hit by the oil. It hurt the small towns along Alaska, Canada, and even parts of Russia that depend on fishing and the sea life. Many species were affected by it. à à à à à The disaster destroyed many sea creatures. More than 250,000 birds were wiped out. Over 2,800 sea otters were killed. Analysis showed that there are two recovered species. These species are the bald eagle and the river otter. Also, there are eight recovering species. These are the black oystercatcher, common murre, marbled murrelet, mussel, Pacific herring, pink salmon, sea otter, sockeye salmon, and intertidal and subtidal flora and fauna. Unfortunate, there are six unrecovered species. Common loon, cormorant, harbor seal, harlequin duck, pigeon guillemot, and others are among these. In addition, there are four species of unknown recovery. They include the cutthroat trout, dolly varden, kittlitzââ¬â¢s murrelet, and rockfish. Not only were the fish affected, but also the humans. à à à à à Thousands of fisherman were hurt by the spill. In fact, more than 10,000 fisherman that work the waters of Prince William Sound, Cook Inlet, and Kodiak Island received money from Exxon. Exxon estimated that the losses to commercial fisheries amounted to $113 million. Exxon paid the fisherman $286.8 million in compensatory damages. Because of the s... ...more than $2.1 billion in cleanup costs in the first two years after the disaster. Surprisingly, only about fourteen percent of the oil was recovered by cleanup crews. Cleaning and natural degradation removed much of the oil from the beaches, but visually identifiable surface and subsurface oil persists at many locations. Of the approximate 1,300 miles of shorelines, 200 miles of it was considered heavy or medium oiling. The rest of the shorelines were considered light or very light oiling. So what happened to the 10.8 million gallons of oil released into the environment? Based on surveys, most of the oil either evaporated, dispersed into the water column, or degraded naturally. Cleanup crews just got fourteen percent of it while thirteen percent of it sunk to the sea floor. About two percent remains on the beaches. à à à à à March 24, 1989 is a date no one will forget. As the worst oil spill ever to hit America, many sea creatures lost their life and humans lost their source of work and food. A lesson can be learned from the tragedy of the Exxon Valdez. It is too bad it was learned with the expense of thousands of sea creatures. à à à à Ã
Tuesday, November 12, 2019
There are two main designs of telescopes
Astronomy can be defined as the study of all electromagnetic radiation from outer space. This definition encompasses the nature of the field, that the objects actually under study ââ¬â the planets, stars, galaxies, et. al ââ¬â are quite unreachable and such, information and knowledge we have of them stems not from direct experimentation but from observation of their emitted radiation.For most of astronomyââ¬â¢s history, that radiation was in the form of light and the primary tool for gathering and observing that light was the human eye. Without any aids, early astronomers such as Tycho Brahe, the Mayans and the Egyptians were able to develop a very detailed understanding of the stars and their motions.Ever since Galileo pointed his telescope towards the heavens, astronomy has been revolutionized. Far from being a study of celestial motions, astronomy evolved to the study of the actual celestial objects. The telescope allowed for direct observation of these specks of light traveling in the velvet sky.Moreover, the telescope allowed us to see what is impossible to perceive with the naked eye. Even the most basic telescope available today can reveal craters on the moon, or the moons of Jupiter and the rings of Saturn.There are two main designs of telescopes ââ¬â reflecting and refracting. A telescopeââ¬â¢s main function is to do one thing ââ¬â gather light and focus it to one point. Refractor telescopes do this using lenses ââ¬â curved pieces of glass which light passes through. The type of lens used by refractor telescopes are convex lenses which make parallel rays of light (emanating from the astronomical object) converge to a single point.The path of the light gets bent as it passes through the lens resulting in all the light rays being focused to a single point. In the case of reflecting telescopes, light is focused through the use of curved mirrors. Light being reflected by the mirror is directed to a single point. The shape of mirro rs used in reflector telescopes can include parabolas, hyperbolic and elliptical curves depending on the specific design of the reflector telescope.Today, the largest telescopes are all reflector telescopes. This is because to some inherent advantages in reflector telescopes. First, we need to realize that a telescope is a very precise optical device. With a reflector telescope, we only need to have one very precisely made side ââ¬â the mirrored side of the glass reflector. Compare this to a lens where light has to pass through.A lens would have two surfaces which need to be perfectly polished, resulting in twice the amount of effort. Couple this with the fact that most contemporary refractor designs rely on multiple lenses to correct for optical aberrations. Secondly, reflector telescopes are more structurally sound at large sizes. Since light does not have to pass through the mirror, a support structure can be placed directly underneath the mirror.The support structure would b e much harder to create for a refractor telescope. Firstly, the shape of the convex lenses means that it is heaviest at the center. Secondly, even if it is heaviest at the center, the support structure can only be made at the edges due to the need for light to pass through the lens.As we said earlier, the primary purpose of a telescope is to gather light. A common misconception is that telescopes are used to simply make far away things look nearer, that is a telescope is supposed to magnify the view of objects. The magnification of a telescope is not a function of a telescope itself but a function of the telescopeââ¬â¢s focal length and the focal length of the eyepiece used in viewing.The magnification is equal to the focal length of the telescope divided by the focal length of the eyepiece. This means that a single telescope can have many different magnifications depending on the eyepiece used. One might be tempted to think that telescopes can have infinite magnification simply by using eyepieces with shorter focal length.In reality, the highest magnification for a telescope is around 50 x the aperture (the diameter of the telescopeââ¬â¢s objective optical element) in inches. This limitation is due to several factors. First, high magnifications will result in a dimmer image. Secondly, aberrations in the atmosphere and optical train become more obvious with high magnifications.Secondly, there is a limit to magnification as optical limitations would place a threshold on the available resolution produced by the telescope. Any magnification beyond this threshold only produces empty magnification as not additional detail can be resolved.The ability of the telescope to resolve details is inversely proportional to its aperture. This is set by the Rayleigh, Dawes and Sparrowââ¬â¢s limit which all say that the limiting resolution of an optical system is some factor divided by the diameter of the optic. Simply put, the larger the telescope, the higher its reso lving power.
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