Free Essays on The Crucible: The Lessons Learned :: Essay on The Crucible

The Crucible – The Lessons Learned Great events, whether they are beneficial or tragic ones, bring change in a person. These scenarios can give one an entirely new perspective on life, and turn around his way of thinking. Events such as the Salem Witch Trials show the people involved what they could not see before. In Arthur Miller's The Crucible, Elizabeth Proctor, Reverend Hale, and John Proctor gain valuable insight into themselves, as well as others. Elizabeth Proctor has many moments which show how she is changing throughout the play. When she is trying to persuade Proctor to tell the court that Abigail said the girls were not practicing witchcraft, Elizabeth blurts out, "John, if it were not Abigail that you must go to hurt, would you falter now? I think not." Elizabeth is confessing that she believes Proctor had an affair with Abigail. She is giving him no mercy by showing that she will never forget what happened. When Elizabeth is being accused of stabbing Abigail, she instructs Proctor to go to court, and tells him "Oh, John, bring me soon!" Elizabeth is gaining trust in John. She is forgetting his act of adultery and now has faith that he will defend her. At the end of the play, when Proctor is sentenced to death, Elizabeth says that "he [has] his goodness now. God forbid I take it from him!" Elizabeth is admitting that John was righteous to confess his sin of lechery, and she should have pardoned him. She consi ders herself impure for not showing mercy, and does not want to take away from his glory. Elizabeth has transformed from an ignorant victim of adultery, to a forgiving, loving wife. Reverend Hale arrives in Salem thinking that he will become a hero and rid Salem of the devil. Hale is speaking to the townspeople when he says, "Have no fear now--we shall find him out if he has come among us, and I mean to crush him utterly if he has shown his face!" Hale thinks that there is an actual devil in the town, and they must defeat it. He is trying to show the people of Salem that he is their savior, and that he knows exactly what to do.

How Is The Energy Generated Environmental Sciences Essay

Hydro engineering relies on H2O to reproduce electrical energy. Water is one of the most abundant beginnings in the universe we live in today. The force per unit area of the H2O will turn the turbines and generators to reproduce the electricity that so many people to a great extent depend on today. This engineering is clearly the manner frontward in respects to providing the general populace with clean renewable energy.IntroductionThis study will be concentrating on the Renewable energy beginning of Hydro engineering that is used in the universe today. It will be discoursing how this energy is transformed from kinetic energy into electrical energy, the constituents and different types of turbines that are used to build this engineering. How much power can be generated from this Renewable energy beginning. The study will be discoursing Ireland ‘s largest Hydro power station Ardnacrusha in Co. Clare. This study will discourse the advantages disadvantages of utilizing this energy beginning to provide electricity to the populace and the new advanced underwater turbines.Hydro TechnologyHydro engineering is a renewable energy that is one of the most abundant that is available today. Hydro power is supplied by bring forthing energy from falling H2O or cyclosis H2O and even sea H2O. This means that all these beginnings can be renewed. Unlike other energy beginnings that are most normally used like coal, gas and rough oil, the fact of the affair is that we will ne'er run out of H2O to the full, so we can safely state that this H2O can besides be renewed after we have used it. ( Lenntech n.d. ) hypertext transfer protocol: //www.lenntech.com/water-energy-faq.htm # ixzz1dEQL6A2E When rain H2O falls or flows depending on the environment/application energy will be generated. This power coevals of H2O is carried out in big power workss, this will include a figure of process stairss and the usage of power coevals equipment such as turbines and generators. The energy that is expelled from the H2O can be used to bring forth electricity. ( Lenntech n.d. ) hypertext transfer protocol: //www.lenntech.com/water-energy-faq.htm # ixzz1dETAw6Pv There are two chief factors involved in the operation of hydro engineering. The perpendicular autumn of H2O this is known as the caput this is indispensable for hydro power coevals. Fast streamlined H2O by itself does non hold sufficient energy merely on a big scale illustration of this would be the ocean, this is why the caput is so of import. Large scale coevals would imply the likes of ocean turbines that would be situated on the sea bed. So for smaller graduated table production the caput and flow rate are indispensable. There are two basic turbines that are used in this industry they are called reaction turbines and impulse turbines. The reaction turbine, this type of turbine is turned by the force/pressure of the H2O. The blades are mounted on the go arounding rotor these are called traveling blades. An illustration of this turbine is the Francis and Propeller turbine. ( Tpub n.d. ) hypertext transfer protocol: //www.tpub.com/content/engine/14105/css/14105_164.htm Figure 1 shows a David Darling Francis reaction turbine. hypertext transfer protocol: //www.daviddarling.info/images/Francis_turbine.jpg Figure ( David Darling n.d. ) Impulse turbines are turned/driven when a high speed of H2O which is directed from a nozzle hits of the vanes or pail. These vanes or pails are attached to a wheel which so turns the turbine and removes the kinetic energy from the H2O. ( David Darling n.d. ) hypertext transfer protocol: //www.daviddarling.info/encyclopedia/I/AE_impulse_turbine.html Figure 2 below shows the impulse turbine that are used in hydro engineering. hypertext transfer protocol: //www.leander-project.homecall.co.uk/Engines/Impulse.jpg Figure ( leander-project.homecall.co.uk n.d. ) The turbines that have been mentioned above are non suited for all the same applications as different power station will differ. For illustration a hydro station that will hold a caput tallness of over 200 meters, the pelton impulse turbine will be suited. For applications that range between 6 meters and 300 meters the Francis and Kaplin reaction turbines will be suited. For extremist low caput highs between 6 and 8 meters the reaction turbine which includes the reversible Gorlovka and the Francis tally over river turbines may be installed. The Francis turbines where the most common types used in early portion of this century but have since been superseded by the propellor turbine, this turbine is more compact and can be run in the same application. The Francis and Pelton have a good efficiency of around 70 to 85 % . Many of these turbines are still in topographic point today as they so where so normally used many old ages ago.How is the Energy GeneratedA hydro power works will dwell of a high H2O dike, this dike will be built across a river this in bend will now make a reservoir to incorporate the H2O, the station will house the turbines and generators this is where the procedure will take topographic point to pull out the energy organize the H2O and convert this energy to electricity. The first measure is gather the H2O, the beginning of the H2O will be from natural rain, rivers and streams all of these will be directed to the reservoir. This is called the hydrological rhythm. After all the H2O has been gathered the H2O will fall through the dike and into the hydropower works this in bend will get down to turn the turbine. The turbine will now get down to drive the generator the shaft will get down to revolve which will turn a figure of barons that are inside the generator this procedure produces the electricity. The power that is usually generated by this type of engineering is 10.5 Kv ( kilo Vs ) 10,500 Vs. Step up transformers will increase the electromoti ve forces to the desired end product for local distribution this will be 40 Kv ( kilo Vs ) 40,000 Vs and for longer distribution this will be stepped up once more to 110 Kv ( kilo Vs ) 110,000 Vs. This procedure does non do any pollution as no harmful chemicals are added to the H2O, after the H2O has been used it will be dispersed back into the river merely as how it came in. ( Lenntech n.d. ) hypertext transfer protocol: //www.lenntech.com/water-energy-faq.htm # ixzz1dFVeQ8iiUnder Water TurbinesUnder H2O turbines are progressively being installed today. They are soundless, unseeable, predictable and come from a renewable energy beginning. Twice a twenty-four hours every twenty-four hours the tides will alter high tide and low tide. The H2O flows in and out of the seashore lines and estuaries. The force of these tides will whirl the turbines in both waies which will in bend produce electricity. The turbines will be situated at the underside of the sea bed so they will non blockade any marine traffic. These turbines are now being produced in Ireland today by Open Hydro and have new innovated designs characteristics so they do n't hold any impact on the marine environment. A big gap in the Centre will supply equal infinite for marine life to go through safely. These new sleek designs will guarantee that fish and any other marine life will be able to go through with easiness and non go embroiled within the turbine. These new turbines do non utilize any lubricating fluids that may be harmful pollution to the marine environment. ( Open Hydro n.d. ) www.openhydro.com The universe has many oceans which mean that there is a immense resource for non fouling renewable energy. Around the universe there are many major tidal watercourse, these can be identified within every continent doing this natural resource available everyplace in the universe. It has been stated that if 0.1 % of the oceans energy was harvested it would be able to fulfill the planetary demand by more than five times over. Beginning: UK Marine Foresight Panel Figure 3 below shows the submerged turbines that are produced in Ireland by Open Hydro. hypertext transfer protocol: //www.openhydro.com/images/devGal4.jpg Figure ( unfastened hydro n.d. ) *Source: UK Marine Foresight Panel.Ireland ‘s Hydro Power StationIreland ‘s first hydro power station was commissioned in 1929 at the Ardnacrushafacility is Co. Clare. This is Ireland ‘s largest hydro river strategy. It is operated on a intent built canal which is connected to the river Shannon. This power generating works is made of three Francis perpendicular shaft turbine generators and there is one Kaplan perpendicular shaft turbine generator this turbine was non commissioned until 1934. The Ardnacrusha installation has an one-year end product of 332,000 Mwh ( mega W hours ) . This power is generated at 10.5 KV ( kilo Vs ) 10,500 Vs. This power is so transformed utilizing a measure up transformer to 40 KV 40,000 Vs for local distribution and 110 KV 110,000 Vs for long distance distribution. When the installation was foremost built in 1929 the end product of the works was 86 MW 86,000 ( mega Watts ) this was equal to run into the full electricity demand of Irelan d. The caput tallness of this hydro works is 28.5 meters which is the equivalent of around 95 feet.Today theArdnacrusha works merely represents 2 % of the ESB ‘s entire installed capacity. ( ESB n.d. ) hypertext transfer protocol: //www.esb.ie/main/about-esb/ardnacrusha.jsp Figure 4 below shows the ESB ‘s Ardnacrusha installation in Co. Clare. hypertext transfer protocol: //b.vimeocdn.com/ts/125/790/125790166_640.jpg Figure ( vimeo n.d. )Advantages and DisadvantagesHydro power has a high sum of utile energy and has a low cost of runing with really small care costs. These types of workss emit really small emanations during their operation. The submerged turbines are non seeable to oculus they are besides soundless. They besides have a life span of two to ten times that of a coal or atomic works. The dike will assist environing countries from deluging. However there are some disadvantages hydro power Stationss take up a batch of infinite this will hold a knock on consequence to animal home grounds and wildlife. Large dikes will interrupt the flow of rivers. With big dikes and reservoirs fish may be unable to swim to the sea mercantile establishment this will hold an consequence on the aquatic life and may diminish fish stocks in the surrounding seashore lines. ( Lenntech n.d. ) hypertext transfer protocol: //www.lenntech.com/water-energy-faq.htm # ixzz1dFvvPjILDecisionHydro engineering uses a complete renewable energy to bring forth electrical. This type of engineering is a really sustainable manner to reproduce energy with really small emanations being released during the procedure. The thought of seting the turbines underwater is really efficient manner to bring forth electricity around sea countries due to the fact that people populating on these seashore lines clearly do n't desire air current turbine environing at that place country as people maintain that the turbines obstruct the scenic position.

Persuasive Essay The Things They Carried Essay

Peter Raimann A. Delcourt English - 057 11/29/16 Persuasive Essay: The Things They Carried Are moral standards in the eye of the beholder? According to one author, â€Å"we’ve seriously lost our way†, going on to state, â€Å"we are like mean adrift at sea without a compass† (Hulme). In literature as in biology, the mantra of form fits function applies and heightens a reader’s appreciation of a writer’s choice and how they contribute to a work of literature. In Tim O’Brien’s collection of short stories, The Things They Carried, the narrative, the experience of reading and the alternating Vietnam and modern day settings not only shape the author’s world view, but reflect upon his own experiences in the 1960’s and 1970’s war. The short stories within this work, â€Å"On the Rainy River† and â€Å"Speaking of Courage†, set at the American-Canadian border and a Vietnamese field of excretions, respectively, establish the overwhelming ambiguity, constant flux and uncertainty that characterizes th e experiences of O’Brien’s protagonist (himself) thus reinforcing the author’s message about the relativity of truth. What they did was morally wrong. In â€Å"On the Rainy River†, a recently drafted, teenaged O’Brien stands at both a literal and moral crossroads, facing a physical division, the river between the U.S. and Canada, that represents a life-determining choice. 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