Discuss the advantages and and challenges of RFID in logistic industry Essay

Discuss the advantages and and challenges of RFID in logistic industry - Essay Example Therefore, the tracking of goods by the use of an exceptional serial number makes it easy for employees to calculate and find stocks (Jones, & Chung, 2008). RFID also enables companies to reduce stock outs from their warehouses, and this helps to maintain customers especially those who run out of patience easily (Ustundag, 2013). This is because companies are able to determine their reorder levels, and at this point, they order new stock. By the time the new stock arrives at the company’s stores, the buffer stock is used to satisfy the available demand. The technology also helps logistics managers in saving the time that they would use to move from one location to another to check the conditions of their stocks (Ustundag, 2013). This is because RFID does the work of recording and transmitting the condition of goods. If the technology was not there, organizations would have employed people to do this work, and this would consume more time and cost. The major limitation of RFID in logistics is that it is expensive to acquire and use (Jones, & Chung, 2008). The chips used by this technology and the tags that are attached to goods to enable companies in tracking them are expensive. Therefore, most logistics departments do not afford to use the technology in their companies. RFID is also complicated and requires to be used only by skilled workers who have the knowledge of the technology (Ustundag, 2013). However, most of the companies employ lowly skilled workers who require less pay than the highly skilled ones. This causes these workers to mishandle RFID leading to low or no achievement of the main objective of the technology. The high expenses associated with the technology also make it possible only for few companies to acquire and use it. Some companies such as Procter and Gamble argue that the technology is unreliable because it still experiences some errors that would still take

No real title. it is all about the COP 15 Meeting in Copenhagen Essay

No real title. it is all about the COP 15 Meeting in Copenhagen - Essay Example For the US alone, the impact of climate change is $60 billion annually at 1990 prices from 1990 to 2025 in terms of effects on agriculture, forest, specie extinctions, sea-level rise, morbidity, loss of human lives, migration, hurricane, and pollution (Encyclopedia of Earth, 2008). Many of the US states are expected to have damages from climate change at US$ 1 billion each (Science Daily 2008). In Europe, the European Environment Agency (2004, p. 70) has determined that economic losses from weather disturbances increased from US$ 5 billion to US$11 yearly during 20 years prior to its 2004 report. The European Environment Agency estimate did not include several things but the report is highly indicative of the damage that climate change would make on Europe. The cost or impact to developing countries is anticipated to be higher as the changing climate raise sea levels and warm the globe. A two degrees centigrade of global warming can have a yearly cost of 3 percent of the world’s gross domestic product (Tol 2002, p. 47).1 The 15th Conference of Parties 15 or COP 15 is a conference of 187 countries in Copenhagen (Denmark) mandated to come up with binding agreements among countries on climate change mitigation and adaptation measures. The World Bank acknowledged that if mitigation measures are not adopted, global warming could be 5 degrees centigrade by the end of the century (World Bank 2010, p. 1). This paper assesses the COP 15 of Copenhagen and identifies the lessons with regard to the ability of international environmental conference processes to develop collectively beneficial agreements. Sampaio et al. (2009, p. 6-9) summarizes the results of the Conferences of Parties (COP) prior to COP 15 and is the main source of this paper on earlier COPs. COP 1 held 1995 in Berlin agreed that nations should take action to curb greenhouse emissions and

Is Othello a Victim or Villain?

Is Othello a Victim or Villain? This is a play about Othello, a Moorish general in the Venetian army. He is the ultimate villain in this play as opposed to Iago, the high ranking soldier. Most would agree as a matter of fact that Iago is undoubtedly the villain of this tragic story. In order to perceive this, a superficial assessment of the two main characters in the play; Othello and Iago, should be made. The art of analysis on its own rejects the simple easy explanations but rather deals in the complex and mystifying facts. Although Iago is the natural nuisance and thus the obvious bad guy, his destiny is to create the tragedy that this play later becomes. A lengthy consideration in addition to an open mind will show the truth of the matter. Othello is the actual villain. Even though he initially lacks any malicious thoughts and ideas, he eventually gets to become a murderer due to emotionally untrustworthy and jealousy. As you read the play it is not common to associate Othello with such descriptive words as conceited, though he is in every sense of the word. As the plot unfolds it is already clear that Othello is going to fall from grace in a huge way and his undoing will be his insatiable ego. He knows his abilities as a great warrior and his superb sword wielding abilities. His prowess on the battle field raised his ranks to the brim of the military defenses of Venice city. He gained his lofty status due to his expertise as a military officer and with that came his conceit. When Iago tells him of the threats from Brabantio, he says, Let him do his spite: My services which I have done the signiory shall out-tongue his complaints (1509). He walks with an air of over confidence depicting tones of arrogance in saying that no one has the authority to accuse is reputation. And to add on to that he shows his lofty opinion, as lofty as it can be, by saying, I fetch my life and being from men of royal siege (1509). His head is swelling with the status and importance given to him by the men of power in the city of Venice. He starts to think he is infallible, great and unfaultable, thus weakening him to the crucial insights of his enemies as to what they should do to discredit Othello from grace, the Moor already changes with my poison: dangerous conceits are in their natures poisons (1555). Whilst Iago reveals his detailed plot, we come to discover another vice possessed by Othello, he has a jealous mind. This comes as a result of insecurities of his colour, his education and his age. I am black and have not those soft parts of conversation that clamberers have, for I am declined into the vale of years (1553). Othellos jealousy is fed by the aforementioned insecurities. He says, As he (Cassio) shall smile, Othello shall go mad; and his unbookish jealousy must construe poor Cassios smiles, gestures, and light behavior quite in the wrong (1569). Iago therefore only has to create an opportunity for Othellos jealousy to initiate his downfall. Finally, we take note of his emotional dishonesty. As soon as Iago plants his thoughts, Othellos head and heart quickly fills up with contempt and bitterness. He openly confesses his love for Desdemona but he is easily convinced otherwise by Iago due to his dishonest nature meaning he was not being truthful about his love for Desdemona. He says, If she be false, O then Heavn mocks itself: Ill not believe it (1554), This makes him sound like a passionate man yet afterwards gets mad and discredits Emilia as a simple bawd. (1557) since she says the Desdemona is faithful to him. This illustrates his love being no more that a sad illusion, simply an obsession to say the least. His emotional untruthfulness is connected to all his other vices and feeds of them creating a dangerous monster out on a once adorable and admirable man. However as much as Othello is the villain of the story, at more than one instance he has appeared to look like the victim as well. He appears to be a victim of his society and seems as though Iago toys with his irritable nature at his pleasure. Othello seems to be very gullible and at times very distant from the truth. He is innocent to the working mayhems and mischievous plans Iago comes up with. Othello loses his tempers easily as a child does when frustrated and Iago knew how to play with his shaky ego that amounted due to the thought that his wife is heating on him. And of course that is blatant lie. All the grace and gentleness that was Desdemona was easily mistaken for flirtations to the unsuspecting Othello. His uncontrollable temper and the proof caused the untimely death of his ever faithful wife. His reaction was like that of a child whose favorite toy had been snatched away. His anger does not even give him the time to listen to her side of the story and refuses to listen to her pleas of innocence. Though he has an evil side to him, Othello had turned into an insane state of mind and one could actually state that he might not have realized what he was doing until it was a little bit too late. While Othello might have some virtuous attributes, there is no doubt that his emotional dishonesty, jealousy and conceit all sum up to make him the ultimate villain of this Shakespearian classic play. In the end it is the unwitting prophecy Iago makes that comes true, O, beware, my lord, of jealousy; It is the green-eyed monster which doth mock the meat it feeds on; that cuckold lives in bliss Who, certain of his fate, loves not his wronger; But, O, what damned minutes tells he oer Who dotes, yet doubts, suspects, yet strongly loves!(1550). Yes, Iago should be the villain, but we hugely expect this of him, and he therefore lives up to just what we would expect.. The true bad guy, who gives this play its twist is Othello the disingenuous, suspicious and the proud Moor of Venice. Isolation of Elements: General Principles and Processes Isolation of Elements: General Principles and Processes Introduction to Metallurgy Our planet earth is a vast source of elements which are distributed in its crust, water bodies and atmosphere. Out of these elements nearly 80 per cent are metals which occur either in the combined state or in free state (called motive state). Metals occurring in free state are copper, silver, gold and platinum group metals. Not only metals some non-metals also occur in the free state, such as, carbon, sulphur, nitrogen, oxygen and group 18 elements (the noble gases). Apart from metals and non-metals some elements occur as metalloids which show both the properties of metals and non-metals. Metalloid silicon is the backbone of electronic industry and solar cells. Distribution of elements in the above three categories in shown in the periodic Table (Fig. 6.1, Ref www.wikipedia.org) Fig. 6.1 Some most abundant elements in the combined form as solutes are: In earth crust In sea water O, Si, Al, Fe, Cl-, Na+, SO42- Ca, Na, K and Mg MG2+, Ca2+ and K+ Some life supporting metals are iron, calcium and magnesium. Chlorophyll, a compound of magnesium, is responsible for the photosynthesis process in releasing oxygen. General principles of metallurgy For any application of a metal it has to be produced in a pure state. Here lies the importance or metallurgy. Metallurgy involves the initial purification and concentration of the ore and its subsequent reduction to metal. Minerals and ores Naturally occurring sources of metals are called minerals which are generally contaminated with impurities such as days and siliceous matter. A mineral which is rich in the metal compound and which can be used to extract metal economically is termed as an ore. Thus, all ores are minerals but all minerals are not ores. The impurities which are generally present in ores are called gangue. Following is the list of some important ores of a few metals: Metal Ore Chemical composition Iron (Fe) Photograph of metals Iron pyrites Hematite Magnetite FeS2 Fe2O3 Fe3O4 Aluminium (Al) Photograph of metals Bauxite Cryolite Al2O3 . 2H2O Na3 Al F6 Copper (Cu) Photograph of metals Copper pyrites Cuprite Malachite (Green) Cu Fe S2 Cu2O CuCO3 . Cu(OH)2 Photograph of metals Zinc (Zn) Calamine Zinc blende Zincite ZnCO3 ZnS ZnO From the above list of ores and also from literature (www.wikipedia.org) You will find that metals generally occur as: Oxides Sulphides Carbonates Halides Silicates Steps in the extraction of metals Concentration of ore Reduction of ore (Chemical reduction or electrochemical reduction) Refining of metal Concentration of ore Ores are usually contaminated with sand and clay minerals called gangue. Therefore, the first step to obtain the metal from the ore is to remove as much gangue as possible. To do so the ore is crushed to fine particles and subjected to the following methods of concentration: Hydraulic washing Magnetic Separation Froth flotation method Hydraulic washing Hydraulic washing is done with an upward flow of water. In this process lighter gangue particles are washed away leaving behind the desired heavy are particles. Magnetic separation This method is based on the different magnetic behavior of gangue particles and the ore. The conclutration of ore is done by putting the dried crushed ore on a conveyor belt moving around a powerful magnetic roller. In this way the ore is separated from the gangue particles. As an example, magnetite is ferromagnetic and on (Fe3O4). Passing over a magnetic roller it gets carried away and made free from non-magnetic gangue. Froth Flotation This method is designed for the concentration of sulphide ores. The method is based on the relative density of gangue particles and ore particles. Either of two can be made to float on the aqueous surface with air bubbles and be collected. This is achieved by adding some chemical compounds in water. The arrangement is shown is Fig. 6. Air is blown with pressure to create froth which engulphes either the gangue or ore particles. Following compounds: Frothers: Synthetic detergents, pine, oil, eucalyptus oil or coal tar. Collectors: X anthates . These impart water repellent properties to the surface of the ore particles to be floated. Froth Stabilisers: Cresols and aniline. Depressants: Sodium cyanide. The purpose of a depressant is to make ineffective one component of the mixed ore. For example, from a mixture of ZnS (sphalerite) and PbS (galena) ZnS is NaCNwhile heavier PbS particles float on the surface. Leaching Leaching is extration of an active ingradient of the low grade ore. This is done by dissolving the desired component in a suitable chemical solution.[ Example Are: Leaching of low grade carbonate and oxide ores of copper by dilute sulphuric acid: CuCO3(S) + H2SO4(aq) → CuSO4(aq) + CO2(g) + H2O(l) CuO(S) + H2SO4(aq) → CuSO4(aq) + H2O(l) Leaching of amphoteric arebauxide (Al2O3) with hot aqueous sodium hydroxide when impurities such as Fe2O3 and silicates remain Al2O3(S) + 2NaOH(aq) + 3H2O(l) 2Na[Al(OH)4] aq Na [Al (OH)4] is converted to pure Al2O3 by passing CO2 gas and heating the product Al(OH)3: Na[Al(OH)4](aq)+CO2(g) → Al(OH)3(S) + NaHCO3(aq) Al(OH)3(S) Al2O3(S) + 3H2O(g) Leaching of gold and silver with aqueous sodium cyanide solution in the presence of air: 4 Au(S) + 8NaCN(aq) + O2(g) + 2H2O(l) → 4Na[Au(CN)2](aq) + 4NaOH(aq) Ag(S) + 8NaCH(aq) + O2(g) + 2H2O(l) → 4Na[AgKN)2](aq) + 4NaOH(aq) The respective metals can be obtained by adding zinc which is a more electropositive metal than either gold or silver: 2Na [Au(CN)2](aq) + Zn(S) → Na2 [Zn(CN)4](aq) + 2 Au (S) Conversion of ore to oxide Metals used in huge amounts generally occur as sulphides, oxides or carbonates. For sulphide and carbonate ores it is necessary to convert them into oxide forms prior to their reduction to metals. This conversion is necessary due to the following reason: Availability of a less costly reducing agent The reducing agent should not interact chemically with the metal produced. Availability of a suitable furnace. The production of metal should be cost effective. Fewer impurities There is hardly a reducing agent which meets all the above requirements. Electropositive metals such as magnesium, calcium and aluminium can be used for the chemical reduction of oxide ores. These metals can not be used for the large scale production of less electropositive metals because of their high cost. However, carbon as coke fits well as a reducing agent within the above listed parameters. Its oxide, carbon monoxide is also a very good reducing agent. The efficacy of carbon monoxide as a reducing agent increases with the increase in temperature. One serious drawback of coke is that it reacts with many transition metals and some non-transition metals at higher temperatures to form carbides. However, carbon as coke and carbon monoxide remain the two versatile reducing agents for iron ores. For carbon to be used as a reducing agent the sulphide or carbonate ores have to be converted into their respective oxide forms. Carbon does not reduce sulphide ores to give metals. To find out the reason consider the following two reduction reactions: 2MS (S) + C(S) 2M (l or S) + CS2(g) †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.(i) (sulphide form) MO (S) + C (S) M (l or S) + CO (g) †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ (ii) (Oxide form) For these two reduction reactions by carbon the Gibbs energy of the reaction should be negative. This can happen only when à ¢Ã‹â€ Ã¢â‚¬  G for CS2 will be more negative than à ¢Ã‹â€ Ã¢â‚¬  G for MS (first reaction); and for the second reaction à ¢Ã‹â€ Ã¢â‚¬  G for CO should be more negative than à ¢Ã‹â€ Ã¢â‚¬  G for MO. Thermodynamically the first reaction where CS2 is formed is not feasible, but the record reaction is feasible. It may be noted that CS2 is very much less stable than CO gas. Therefore, the sulphide ores are first converted into the oxide form before reducing them with coke. This is done by heating the sulphide ores in the presence of roasting the sulphide ors is that a by-product sulphur dioxide (SO2) is obtained which is used to manufacture sulphuric acid. To get the ores into their respective oxide forms following processes are used: Calcination Calcination is heating the ores in the absence of air. This method is used for the carbonate, hydroxide and hydrated ores CaCO3(S) CaO(S) + CO2(g) (calcite) MgCO3. CaCO3(S) MgO(S) + CaO(S) + 2CO2(g) (Dolomite) CuCO3. Cu(OH)2(S) 2CuO(S) + CO2(g) + H2O(g) (Malachite) Calcination is generally done is a reverberatory furnace (Fig. 6. Ref www.wikipedia.org). This process makes the ore process and easily workable. Roasting Roasting is heating the ores in the presence of air. This is done mainly for sulphide ores: 2 Fe S2 (S) + 5O2(g) → 2FeO(S) + 2SO2(g) (iron pyrite) 2Cu2S(S) + 3O2(g) → 2Cu2O(S) + 2SO2(g) (copper glance) 2ZuS(S) + 3O2(g) → 2PbO(S) + 2SO2(g) (Galena) Roasting is done in reverberatory furnace (Fig. 6.4 Fef. www.wikipedia.org) Roasting also removes volatile impurities like sulphur, arsenic and phosphorus as their volatile oxides: S(S) + O2 (g) → SO2(g) 4AS(S) + 3O2(g) → 2AS2O3(g) P4(S) + 5O2(g) → P4O10(g) Student Activity 1 Metals used in an ordinary filament bulb Draw the figure or an ordinary bulb Label various metals used in it Give reason as to why tungsten metal is used as the filament Student Worksheets Student Worksheet 1 Which metal is liquid at room temperature Aluminium Lead Mercury Zinc Leaching is generally used for the following ores of metals Lead Copper Iron Aluminium In Aluminium-thermite process the reducing agent used is Carbon Hydrogen Aluminium Sodium Heating of ores in the absence of air is known as Roasting Calcination Leaching Bensemerization Froth flotation process is used to concentrate the following ore Halide Silicates Sulphide carbonate how do metals occur in nature by virtue of their reactivity giving chemical equations describe the process of calcinations and roasting, respectively. Why are sulphide ores roasted to their oxide forms before their reduction with coke? Describe the principle of leaching with suitable examples. Describe the principle of froth flotation process. How is PbS ore concentration ewhen it is contaminated with ZnS? SUMMARY S. No. Description Ore A mineral with high concentration of metal compound which is used to extract metal profitably. Occurrence of metals in nature Oxides Sulphides Carbonates Silicates Gangue Undesired materials present in ore. Metallurgy Process of isolation of metals from ores involving the steps: Concentration of ore Reduction of ore to metal Purification of metal Concentration of ore Magnetic Froth floatation (for sulphide ores) Leaching Leaching Extraction with a suitable solvent for low grade ores. Calcinations Heating of ores (carbonate or hydroxide) in the absence of air. Roasting Heating of ores (sulphide ores) in the presence of air. Smelting Industrial reduction process to obtain metal from ore. Reducing agents used in smelting Hydrogen Carbon as coke Aluminium (In Alumino-thermite process Air Electrolytic Refining of crude metal Liquation Cupellation Besemerization (known as oxidative refining) Vapour phase (van Arkel and de Boer, and Mond processes). Zone refining (for silicon) Hydrometallurgy Electrolytic Ellingham diagrams Curves of Gibbs energy vs temperature. Used to select a suitable reducing agent. LOW CHART 1. 2. Classification of ores on the basis of the metal compounds Concentration of ores on the basis of their chemical nature 3. 4. Reduction of ore to get the metal choosing a suitable reducing agent Purification of crude metal based on the nature of impurities present Crossword A mineral having high concentration of a metal compound. ORE Heating or ore in the absence of air. CALCINATIONS Heating of ore in the presence of air. ROASTING Valuable by-product during roasting. SO2 gas Extraction of low grade ores. LEACHING Concentration of ore by proving air bubbles. FROTH FLOTATION A furnace used for the smelting of iron ore. BLAST FURNACE Process of reduction of metal oxides by aluminium. ALUMINO-THERMITE PROCESS Process used to obtain very high pure silicon. ZONE REFINING Carbon monoxide is used to purify nickel. MONDS PROCESS Zirconium tetraiodide (Zrl4) vapours are decomposed on heated tungsten filament. ARKEL-DE BOER PROCSS Sodium is obtained by passing electric current in molten sodium chloride. ELECTROLYTIC REDUCTION ADDITIONAL RESOURCE LINKS www.wikipedia.org Reduction of ore to crude metal By using the process of reduction, roasted or calcined ores are converted to crude metal. Different reducing agents are used depending upon the reaction between the metal oxide and the reducing agent. Reduction with carbon : FeZO3, CuO, ZuO, SuO2, PbO etc. Reduction with Aluminium : FeZO3, Cr2O3, Mn3O4, TiO2 etc. Reduction with Magnesium : B2O3, TiCl4, etc Reduction with hydrogen : WO3, MOO3, GeO2, CO3O4 etc Reduction with CO : Fe2O4, FeZO3, PbO, CuO Electrolytic reduction : Electrolyzing of oxides, hydroxides or chlorides in fused state. Smelting : This is a process in which oxide of a metal is mixed with coke and a suitable flux. The mixture is heated to a high temperature in a blast furnace. Iron, Copper, Zinc and tin can be obtained by this process. Carbon is a good reducing agent below 983K where as above this temperature CO acts as reducing agent. ZnO(S) + C(S) Zn(S) + CO(g) Zincite + 2C(S) Sn(S) + 2CO(g) Cassitesite Pondered anthracite Fe2 + 3C(S) 2Fe(S) + 3CO(g) Haemetite CuO(S) + C(S) Cu(S) + CO(g) A flux is a substance which is added to roated or calcined ore during smelting to remove the non-fusible impurities of metallic oxides, silica, and silicates etc. During smelting flux combines with the non-fusible impurity to convert it into fusible material called slag. The slag being light float over the molten metal from where it is removed. Flux is of two types: Acidic flux SiO2 : Basic flux Lime stone (CaCO3) and Magnetite (MgCO3) SiO2 + MgCO3 MgSio3 + SiO2 + CaCO3 CaSiO3 + Hydrometallurgy : Copper, Silver and gold are extracted by this process. The process is based on the principle that more electropositive metal can displace less electro positive metal from its salt solution. The one is treated with such seagents that the metal forms a soluble compound. On adding more electropositive metal to the solution, the less electropositive metal present in the solution is precipitated. Example: Extraction of Copper : Malachite ore is roasted and oxide formed is dissolved in sulphuric acid. On adding scrap iron to the solution, copper is precipitated. Cu(OH)2 . CuC → 2CuO(S) + H2O(P) + C CuO(S) + H2S → CuS + CuS + Fe(S) → Cu(S) + FeS Extraction of silver : ore is dissolved in NaCN solution and air is blown followed by addition of Zinc turnings. Silver is precipitated. Ag2S + 4NaCN → 2Na[Ag(CN)2] + Na2S 2Na [Ag(CN)2] + Zn → Na2 [Zn(CN)4] + 2Ag Solution Acid flux used to remove basic impurities Basic flux used to remove acidic impurities Reduction with hydrogen :Some of he metal oxides (mostly transition metals) can react with carbon at high temperatures to give metal carbides which resist further oxidation. Oxides of these metal, are better reduced by hydrogen gas. i.e. WO3 + 3H2 W + 3H2O(g) MOO3 + 3H2 Mo + 3H2O(g) GeO2 + 2H2 Ge + 2H2O(g) CO3O4 + 4H2 3Co + 2H2O(g) Using H2(G), metals are obtained in small scale as hydrogen is highly explosive. Aluminium reduction method: This method is also called Alumino-thermite process. Some of the metal oxides cannot be reduced by carbon as affinity of oxygen for the metal is more than for carbon, also, metal may form carbide at high temperature. Such metallic oxides are reduced by using aluminium powder. The reaction is initiated by the using barium per oxide and a small piece of Mg ribbon. Fig. Cr2 + 2Al(S) 2Cr(P) + Al2 Fe2 + 2Al(S) 2Fe(P) + Al2 3Mn3 + 8Al(s) 9Mn(P) +4Al2 Function of BaO2 is to provide oxygen to magnesium when lot of heat is volved which initiates the thermite process. Air reduction : Sulphide ores of less electro positive metals such as Hg, Pb and Cu etc are heated in air to partially convert the ore into oxide which then reacts with the remaining sulphide in absence of air to give the metal and SO2 gas. 2HgS(S) +3 2HgO + 2S 2HgO(S) +HgS(S) 3Hg + S Reaction on p-5 This process may also be called ante reduction process. 2PbS + 3O2 2PbO + 2S 2Pbu + PbS 3Pb + S 2Cu2S + 3O2 2Cu20 + 2S 2Cu20 + Cu2S 6Cu + S Reduction by Electrolysis : The oxides of highly electropositive metals of group I, II and Al element of group etc cannot temperatures and these can form carbides. These metals are obtained by electrolysis of their oxides, hydroxides or chlorides in fused state. To lower the fusion temperatures or to increase the conductivity or both a small amount of other salt is added. The metal is liberated at cathode. Sodium metal is obtained by electrolysis of fused mixture of Nacl and Cacl2 (downs process) or by electrolysis of fused sodium hydroxide (Costners process). Nacl → Na+ + cl- Fused At anode cl- → Cl + e- Cl + cl → c At Cathode Na+ + e- → Na(l) Aluminium metal is obtained by electrolysis of fused mixture of alumina and Gyolite (Na3[Al F6]) Na3 Al → 3Na F(P) + Al Al →Al3+ + 3F- At anode F- → F + e- F+F → F2(a) 2A+ 6 → 4Al + 3O2(g) At cathode Al3+ + 3e- → A(l) Anode gets cosseted by oxygen liberated during electrolysis, which needs replacement from time to time. Refining of metals: Metals obtained by any of the reduction method except electrolytic reduction contains impurities. Refining of metals is process where by undesired impurities present in the metals are removed. Different refining processes may be applied depending upon the nature of the metal and nature of impurities. Name of the Process Metal to be refined Liquation Low melting metals like Sn, Pb, Bi and Hq etc. Cupellation Silver containing lead. (Impure silver containing lead is heated in cupel made of bone ash or cement and a blast of air is passed over the molten mass. The impurities are oxidized and removed with the blast of air) Bessemerisation Fe and Cu Vapour phase refining There are two methods Monds process Impure Ni is heated with CO(g)at 323K when volatile Ni (CO)4is formed. These vapours of Ni(VO)4are passed into another chamber maintained at 306K when Ni (CO)4decomposes to pure Ni which gets deposited on small Ni balls kept in the chamber and carbon-monoxide gas is rejected. Ni(S)+4CO(g)Ni(CO)4Ni(S)+ 4CO(g) Van Arkel Process Ti, Zr, Hf, V, Th, B are refined by this method. Impure metal is heated with I2, producing volatile T1I4,, ZrI4or BI3. These vapours are passed over electrically heated filament of Tungsten. The vapours decompose, metal gets deposited over the filament and iodine liberated is . Ti(S)+ 2TiTi(s) + 2 Zr(S)+ 2ZnZr(s) + 2 2B(S)+ 32B→ 2B(s) + 3 Zone refining Highly pure silicon or gernanium required for making semi-conductors are refined by this method. The impure rod of silicon or germanium is surrounded by a heating cir-l which can move from one end to another. The heater is allowed to move in one particular direction. As the heater moves away, the metal capitalizes and impurities move along the direction of the movement of the heater. The process is repeated a number of times when a small portion of the rod gets purified. The end portion of the rod having high concentration of impurities can be cut and disconded. Electrolytic refining Most of the metals like copper, silver, gold, aluminium, lead etc are refined by this process. The impure metal is made the anode and a thin sheet of pure metal is made a cathode. The electrolytic solution consists generally of an aqueous solution of a salt containing some acid or a complex of the metal. Purification of Copper Anode Impure copper Cathode Thin sheets of pure copper Electrolyte An aqueous solution of copper sulphate containing some H2SO4. Purification of Silver Anode: Impure silver Cathode: Thin sheet of pure Ag Electrolyte An aqueous solution of ASNO3containing HNO3. Pb Anode: Impure metal Cathode: Sheet of pure lead Electrolyte A solution of PbS1F6containing 8-10 of H2S1F6. Purification of Sn Anode: Impure Tin Cathode: A sheet of pure tin metal Electrolyte An aqueous solution of SNSO4containing H2S1F6. Thermodynamics of Metallurgical process: The metals are extracted when their oxides are heated with carbon or other metal and by thermal decomposition. For any spontaneous reaction, the Gibbs anergy change à ¢Ã‹â€ Ã¢â‚¬  G must be negative at a particular temperature. à ¢Ã‹â€ Ã¢â‚¬  G = à ¢Ã‹â€ Ã¢â‚¬  H Tà ¢Ã‹â€ Ã¢â‚¬  S à ¢Ã‹â€ Ã¢â‚¬  H is enthal by change during the reaction, T is the absolute temperature and change during the reaction, T is the absolute temperature and à ¢Ã‹â€ Ã¢â‚¬  S is the entropy change during the reaction. The reaction will processed only when à ¢Ã‹â€ Ã¢â‚¬  G is negative. For reaction where à ¢Ã‹â€ Ã¢â‚¬  H is negative and à ¢Ã‹â€ Ã¢â‚¬  S is positive. The reaction proceeds even at low temperatures. Theoretically, it is possible to decompose all metal oxides if sufficiently high temperature is attainable but oxides of Ag, An and Hg are the only oxides which can be decomposed at easily attainable temperatures. Hence these metals are obtained by thermal decomposition of their oxides. The choice of reducing agent to obtain the metal from its oxide depends upon the change in Gibbs energy à ¢Ã‹â€ Ã¢â‚¬  G. The plot of Gibbs energy change versus temperature is called. Ellingham disgram: There diagrams can be drawn for different compounds such as oxides, sulphides, halides etc. using these diagrams one can make a choice of reducing agent and the corresponding temperature at which, the reaction becomes feasible. à ¢Ã‹â€ Ã¢â‚¬  G for the reaction is -ve. Some salient features of Ellingham diagram are: The slope for metal to metal oxide is upward as Gibbs energy change decreases with increase of temperature. The all follow a straight line unless they melt or vaporize. When change in entropy is large, the slope of line also changes for example the Hg-HgO line changes slope at 629K when mercury brills and similarly Mg-MgO changes slope at 1393K. When temperature is increased, the graph crossed the line à ¢Ã‹â€ Ã¢â‚¬  G=0 at a particular temperature. Below this temperature, à ¢Ã‹â€ Ã¢â‚¬  G being negative, oxide is stable where as above this temperature à ¢Ã‹â€ Ã¢â‚¬  G is positive and the oxide become unstable. Thus it should decompose into metal and oxygen. In a number of reduction processes, one metal is used to reduce the oxide of the other metal. Any metal can reduce the oxide or the another metal which lie above it in Ellingham diagram. Ellingham diagrams give an indication whether the reaction is possible or not. These graphs do not predict the kinetics of the reaction. This is a major limitation of Ellingham diagrams. Ellingham diagram of carbon: Carbon reacts with oxygen to give two oxides C(S) + O2(g) → CO2(g) 2C(S) + O2(g) → 2CO(g) Carbon monoxide can further react with oxygen to give carbon dioxide. 2CO(g) + O2(g) → 2CO2(g) When carbon changes to carbon dioxide, change in entropy (à ¢Ã‹â€ Ã¢â‚¬  S) is very small and à ¢Ã‹â€ Ã¢â‚¬  G hardly shows changes with increasing temperature. The graph of à ¢Ã‹â€ Ã¢â‚¬  G against T is almost horizontal. When carbon changes to carbon monoxide, à ¢Ã‹â€ Ã¢â‚¬  S is positive and à ¢Ã‹â€ Ã¢â‚¬  G becomes more negative with increasing temperature. As a result, the line shows downward slope. The two lines for carbon to carbon-dioxide and carbon to carbon monoxide cross at 983K. below this temperature formation of CO2 is favoured whereas above this temperatures formation of CO is preferred. Ellingham diagram of metal sulphide : Some metals occur in nature as sulphides, such as ZnS, CuS and PbS. The reaction for the reduction of these sulphides with carbon is highly 2MS(S) + C(S) → 2M(S) + CS2(g) unfavourable energetically because of the instability of carbon disulphide. It being an endothermic reaction, sulphide ores are roasted to oxides and their reduced into metals.

Internet Piracy and Movies :: Internet Piracy Movies

Introduction The growth of the Internet has led to many new innovations in the way it is used. At first, it was just a form of text-based communication, similar to mail except faster. Then, as connections became quicker, people started to browse web pages, and soon even children could have their own space on the Internet. Today, many people around the world have broadband, which transfers text and pictures much faster than users can read. So developers created programs to use this extra bandwidth, programs that utilized the widespread nature of the Internet. The first peer-to-peer software can arguably be Napster, which let users download songs from other users. Napster restricted its files to songs since most people still had 56k connections at that time, so larger files would take an unreasonably long time. Presently, broadband connections are relatively inexpensive, so full movies can be downloaded in almost the time it takes to watch them. This widespread availability of high bandwidth has led to new applications, such as Limewire, Kazaa, and Morpheus, which let the user download any type of file, the most controversial of which is movies. Compared to Napster, these new applications have more decentralized architectures, making the legal battle against them harder to prove. Companies are no longer directing where the users download from – the individual applications are. Users are finding movies from their own computer, and since companies have no personal hand in this search, the film industry now has to target individual users in order to stop them from downloading. Views On Internet Piracy Movie Industry’s View Movie piracy quickly became a problem for the film industry, because the average major studio film costs $55 million to produce and $27 million more to advertise, much higher than other forms of media2. This investment is usually not returned in its initial showing in the movie theatres, so the film is then released to home video. After a year or two have passed, a television channel pays the copyright fee to broadcast it. Also, markets internationally are supposed to go through the same steps. Since the filmmakers get these various forms of copyright fees, many people think that most movies make their money back, but in actuality the Motion Picture Association of America states â€Å"four out of ten movies never recoup the original investment2â€Å".

With Close Reference to their recent releases, compare how Britney Spears and Sum 41 are marketed

Like all artists, Britney Spears and Sum 41 belong to a record company. Here 3 departments look after them: the Artist and Repertoire, Marketing and Production. The Artist and Repertoire( a+r) are responsible for signing the artist. The marketing department are responsible for advertising the artist. The production company are responsible for organizing recording and songs for release. Possible ways the Marketing department can use the Media for advertising include television, radio, posters. They also use a subtle way of using the artist themselves. Britney belongs to Zomba Records and Sum 41 belong to Britney has matured as artist over the years. At the beginning, she was a schoolgirl. This was reflected in her video â€Å"Hit Me Baby One More Time† She was dressed in school uniform. Although attracting pre teens as her primary audience, she was attracting young men (15-20). She has maintained her primary audience throughout her career and as my analysis will tell you, incre ased her secondary audience. Following a break from her career to make a film â€Å"Crossroads†, she re-launched her career as an adult, moving away from school uniform. Her album release â€Å"Britney† opened new doors for Britney and new fans. Her album cover featured her sitting on a stool, crouching forward. With the low cut top she was wearing, this position revealed quite a lot of Britney's chest area. She held wrists facing the camera. This suggests she was flirting with men. She was wearing a crucifix necklace, which suggests she is trying to maintain her virginal reputation that she previously had. Heavy Eye-Makeup is worn, similar to that of Brigitte Bardot, a 60's icon. This attracts men as she is shown to take pride in her appearance. Her hair is tousled over her chest, hinting that she isn't as clean cut as previously thought. The back cover is featuring Britney's face repeatedly reflected over the cover. This gives the effect that she is everywhere. The eye makeup is still worn. Yello w lights are shown, possibly to reflect attention on to Britney. Previously, Britney modelled for Sketchers Footwear Company. She featured in a poster that was completely opposite to the image given in the album cover. Her she appeared normal, down to earth. As this was an appeal to young girls, she worn clothes they could relate to, jacket, jeans and the trainers she was advertising. She still wore makeup but not as much as she wore in the album cover shoot. Sum 41's image is completely different to Britney's. Their album features a more personal touch with what appears to be handwritten track lists and Polaroid photos. This makes the audience feel as though the album has been made for them personally. Dark colours are used, this reflects the bands image of a â€Å"hard† rock band. Sum 41's image has not changed as much as Britney's. In conclusion, Britney is marketed more two audiences where Sum 41 appear to be marketed for the same type which is skaters and rock fans. Britney appears to be more interested in her fans, while Sum 41 aren't really bothered what anyone thinks and are more concerned making music and having fun. Finally, record companies are responsible for the artists image. Record companies use media for advertising and will have too as the public opinion of artists change when the media portrayal of them changes.

Elizabethan Age Essay

Elizabethan age was an era of extraordinary juxtaposition of whole new avenue of thoughts and avalanche of ideologies, which flowed in words of great literary geniuses. It began with the spirit of Renaissance marked by the quest for adventure and material wealth. It was the age when the minds of the people were lured by the new visions of distant lands rich in gold jewels and were swayed by the captivating charm of the beauty and loveliness. Music, Dance and Mirth played a significant part in their lives. On the other hand, Elizabethan era also saw the decay of moral values. From the noble class to gentry and from royalties to peasantry: people in an inexhaustible pursuit of materialism devoid from spirituality, adopted greed and corrupt values. The literature world delved deep into the psyche of the masses to illustrate the situation whereby in their quest for lavish life, they forgot that the tragic end is waiting for them. Both Marlowe and Shakespeare created the characters in their enduring plays Dr. Faustus and Hamlet who became the emblem of tragic heroes. They both enjoyed royalties because of their noble birth but both of their lives ended in tragedy in virtue of their most tragic flaw in their character. Their flaw was their greed and pride, which led them to pursue their evil designs and eventually their death. Marlowe’s hero is Dr. Faustus who had extraordinary qualities and was a super human but his consuming passion reaches beyond the ordinary aspiration until he meets with his fate. It was not the matter of his own fall but it was a struggle between his overweening soul and in its insatiable ambition, and the limitations, which it seek to overcome. On the other hand, we cannot say Hamlet was lacking in moral values but he was also a conqueror and his greed to revenge the murder of his father surpassed all his good actions and deeds. For the power and wealth, Claudius murdered King Hamlet whose soul wanders and tortures the young Hamlet to ponder upon some foul play. Dr. Faustus’s over ambitious desire and zeal induced him to sell his soul to evil. He abjured the scriptures, the Trinity and Christ to fulfill his inordinate ambition to gain super human powers by gaining mastery over unholy art of magic. By selling the soul to Devil, he lives a Blasphemous life full of vain and sensual pleasures for complete twenty-four years and did not even hesitate to insult and assault the Pope with the Holy Fathers at Rome. Though he feels a constant dispute going on in his soul between his overweening ambition and conscience (a struggle between the seven deadly sins and ethics or moral principles), between the Good Angel and Evil Angel that externalize the inner conflict. But Dr Faustus surrenders himself to the allurements of the Evil Angel, thereby paving his way for eternal damnation. In his inordinate passion to unravel all the mysteries of the universe, he forgot that he cannot overpower the time and when ultimately the time came for the evil angel to take his soul, he realizes that his sins are unpardonable and nothing can save him from eternal damnation. And before the devils snatch away his soul to the burning hell, the excruciating pangs of a deeply agonized soul finds the most poignant expression in Faustus’s final soliloquy. â€Å"My God, my God, look not so fierce to me! Adders and serpents, let me breathe a while! Ugly hell, gape not: come not Lucifer: I’ll burn my books: Ah, Mephistophilis! (Marlowe, 1588, Dr. Faustus: Scene XIV) Shakespeare’s Hamlet also had a tragic end-but the end of Hamlet was not due to the flaw in his moral character but the waver of the mind of the noble soul to avenge the death of his father. The play began with the presence of supernatural element in the form of the Ghost of Hamlet’s father. Both Bernardo and Horatio accepted the Ghost as a portent, or as foreshadowing a coming event. The figure of Ghost implied the emergence of foul play that would change the course of Hamlet’s life and the impending doom owing to the Greed of Hamlet’s uncle, Claudius who later ascended the throne of Denmark and married Hamlet’s mother. The indecent haste in which she had remarried made Hamlet think foul play behind his father’s murder and he remarked, â€Å"O God! a beast that wants discourse of reason,/would have mourned longer and made him generalize, â€Å"Frailty thy name is woman! † (Shakespeare, 1600, Hamlet: Act I, Scene II 146). Prince Hamlet decided to avenge the death of his father but as he was thoughtful by nature, he delayed the revenge and instead entered in a deep melancholy. Claudius and Gertrude in a bid to know about the cause of Hamlet’s behavior made Hamlet’s friends Rosencrantz and Guildenstern to keep a watch on him. On the other hand, Hamlet was blind to seek the revenge of his father and called upon the traveling actors to act a play depicting the scene in the way he had imagined his father was murdered. He invited Claudius to see the play and if he reacted at the scene, Hamlet would be ensured about Claudius guilt. And the same happened, as soon as the scene came, Claudius left the room in haste and Hamlet got the proof. Hamlet went to kill Claudius but when he found him praying, Hamlet stopped as the killing at that time would mean that Claudius soul would go to heaven. Claudius was so scared now that he decided to send Hamlet to England, but meanwhile Hamlet went to meet his mother where Polonius was hidden. Hamlet thought that Claudius was hiding there and in a fit of rage, he picked up the sword and instead of killing Claudius, he killed Polonius. Hearing the news of the death of Polonius, Opthelia went mad with grief and killed herself by drowning in the river. Polonius son, Laertes now wanted to avenge his father and sister’s death. Taking the advantage of situation, Claudius instigated Laertes for a duet with Hamlet, and gave him a sword of poison and also prepared a drink to poison Hamlet to death in case he won the battle. In a sword fighting after the Ophelia’s funeral, Hamlet could hit Laertes first but declined to take a drink instead Gertrude, Hamlet’s mother took a drink and died on the spot. Laertes was able to wound Hamlet and after Laertes revealed the real culprit to Hamlet, he too died due to the cut on his arm by his own sword. Wounded Hamlet did not hesitate even for a second; he picked up a poisoned sword, stabbed Claudius and forced him to drink the remaining of the poisoned wine. Claudius went into the eternal doom and Hamlet too died but after taking his revenge. In play Dr. Faustus, Marlowe had captured the moral value of greed for materialistic matters in the form of Dr. Faustus’s aspirations for gaining the knowledge of black magic, and for this purpose, he bid farewell to the religious values of medieval period, in other words to divinity. â€Å"These metaphysics of magicians And necromantic books are heavenly; O, what a world of profit and delight Of power, of honor of Omnipotence, Is promised to the studious artizen: All things that move between the quiet poles Shall be at my command† (Marlowe, 1588, Dr. Faustus: Scene I) These lines show Dr Faustus was pelf with power, whereas, in â€Å"Hamlet†, the main protagonist of William Shakespeare is a noble soul and possesses strong moral convictions. Though he too kills Polonius but it was out of revenge and erroneously mistaking him for Claudius, his father’s murderer. He thinks it is his moral duty to revenge his father’s death then only his father’s soul will rest in peace. He is a true representative of medieval period. He is as said by Herlinde Pauer-Studer in her book, â€Å"Norms, Values and Society†, â€Å"He acts on his moral sense of duty, even though he knows that he is doing it at the cost of his happiness and life. † (Studer-Pauer 1994) He put on his antic disposition and says, â€Å"The time is out of joint, O cursed spite, That ever I was born to set it right. † (Shakespeare, 1600, Hamlet: Act I Scene V) The second comparison can be made between Hamlet and Dr. Faustus in the way both Hamlet and Dr Faustus carried out their plans to fulfill their aims. Dr. Faustus defies the medieval conventions of love, selfishness and trust to become all powerful and wealthy and tried to become evil by killing his own ministers. He is a true representative of Renaissance period whereby man can go into an extreme extent to achieve his aims. â€Å"With the help of spirits Dr, Faustus feels: â€Å"I’ll levy soldiers with the coin they bring, and chase the Prince of Parma from the land, and reign sole king of all our provinces. † (Marlowe, 1588, Dr. Faustus: Scene I) Whereas on the other hand though Hamlet’s aim was good but the route he adopted was not consistent with Christian ethics. He followed dishonest ways like deception and homicide to carry on with the plan of revenge. â€Å"I am myself indifferent honest; but yet I could accuse me of such things that it were better my mother had not borne me; I am very proud, revengeful, ambitious †¦What should such fellows as I do crawling between heaven and earth. † (Shakespeare, 1600, Hamlet: Act III, Scene I) But there are certain elements of good deeds and the values of medieval ages that still are visible in the human souls and in their thoughts and actions. Both Marlowe and Shakespeare created the characters that were not evil in the real sense. Before carrying on their evil deeds the goodness, which prevail in their soul makes them to give second thoughts in the form of the consequences of their deeds. This is third aspect in the way Shakespeare and Marlowe made protagonists think of the consequences, which they can face if they follow their whims. Hamlet was in a state of dilemma, â€Å"To be or Not to be† (Shakespeare, 1600, Hamlet: Act III, Scene I) whether to take revenge by killing or not, and the consequences of his actions loom large on him. His soul was arguing whether his actions followed the norms of the society or not? Is it evil to punish the evil or killing is wrong altogether. If one goes by the rule utilitarianism, one must follow the rules and which would bring utility for all. (Studer-Pauer 1994) and in this concept what Hamlet did is absolutely right but according to the law of the land what he did was wrong and way he carried out his executions had serious lapses. These lapses occurred only because his other side of the soul was not permitting him to carry on with the killings. His character of being a noble soul came to light in the scene when he was going to kill Claudius but when he saw him praying he could not kill him. Whereas Dr. Faustus finally sold his soul to Evil, still the good side of his was again and again prompted him to go back to divinity and seek forgiveness from Jesus. His conscious mind was rebelling against his whims in the form of Good Angels but he did not bother to listen. This is the finest example in English literature to prove the biggest reality of the man’s nature. Man is not born evil but even if he is succumbing to evil designs, there within deep his heart and soul, his consciousness will keep on prompting him what he is doing is wrong. This is the difference between Hamlet and Dr Faustus. Hamlet wants to take revenge but his virtuous character and goodness in him was making him delay the revenge. He did take revenge finally but at the cost of his own life and the life of so many others. Whereas though the Dr Faustus’s conscious mind was prompting him to recede but he want only more and more of wealth and power. Claudius got punished for the sins he committed not by his choice but by fate, and Laertes repented, â€Å"Laertes, poisoned by his own sword, declares, â€Å"I am justly kill’d with my own treachery. † (Shakespeare, 1600, Hamlet: V Scene II 318). Whereas Dr. Faustus’s end was the result of his own deed-his deal with devil Lucifer and he lamented, â€Å"On God, whom Faustus hath abjured! On God whom Faustus hath Blasphemed! Ah, my God, I would weep! But the Devil draws in my tears. Gush forth blood, instead of tears! yea, life and soul-O, he stays my tongue! I would life up my hands; but see they hold em, they hold em! † (Marlowe, 1588, Dr. Faustus: Scene III) There was a certain fascination associated with the transition, which was carried on in the period of renaissance and the plays try to show the same. On one hand, there was whole new lease of life in the form of scientific and technological developments and on the other hand moral values were loosing ground. People were not thinking that for every beginning there is an end. With this there was a sense of insecurity too, which is so destined. The distinction points were made keeping in view the social circumstances of the time. There was reformation in every sphere of life and people were swept by the waves of these reformations. These reformations were like magic for them. With the magical powers of scientific discoveries and technological advancement, every one wanted to gain wealth, power and prestige without adhering to religious norms and wanted life of sexual fulfillment and pleasurable living even at the cost of killing near and dear ones. REFERENCES Baker J. , Bredemann A. , & Brussart B. , McLeer A. , Tuck Tiffany & Wolowicz T. 1997. Renaissance Attitudes Towards Faustus as a Magician.Retrieved on September 25, 2007 from http://www. english. uga. edu/cdesmet/tiffany/faustus. htm Collins J. (2006) An Introspective Look at Corruption from Hamlet Spoiled Fruits, Stolen Nation Retrieved on September 24, 2007 from W. W. W: http://www. associatedcontent. com/article/70560/an_introspective_look_at_corruption. html Marlowe C. Doctor Faustus (1588) New York: P. F. Collier & Son Company, 1909–14 Shakespeare W. Hamlet (1600) The Norton Shakespeare: W. W. Norton & Company, Inc. , New York, NY: 1997 Studer-Pauer, Herlinde (1994) â€Å"Norms, Values, and Society† Netherlands: Kluwer Academic Publishers.

Colonialism in Africa

Colonialism in Africa Free Online Research Papers Colonialism and its Direct Effect on the Rise of Nationalism in African Culture In America, today, the struggles of Africans over the course of history have gone widely unnoticed, with the exception of slavery in the America. Africa is a diverse group of people of many different backgrounds and languages. This is due to the colonization of Africa by Europeans, which was followed by many struggles to regain their independence as their own people. To fully understand, a person must take a closer look at colonialism and its direct effect on the rise of Nationalism in African culture. Colonialism is defined as a policy by which a nation maintains or extends its control over foreign dependencies, or in more realistic terms an exploitation by a stronger country of weaker one; the use of the weaker countrys resources to strengthen and enrich the stronger country (dictionary.com). A broad historical understanding of direct European colonial influence on the African continent dates back at least to the spread of the Roman Empire to North Africa. The more contemporary era of European colonialism, that was consecrated by the Berlin Conference of 1884-85, was preceded by a gradual process of European expansion into Africa over roughly four-hundred and fifty years (Schraeder 50-1). Beginning in 1434, Portuguese explorers under the leadership of Prince Henry the Navigator began sailing the West African coastline with intent of spreading Christianity and to enhance Portuguese political-military power. The steady advance of Portuguese explorers marked the beginning of what is commonly called in the West the age of exploration (the charting and mapping of lands previously unknown to European powers, before the ultimate imposition of colonial rule). One of the most devastating aspects of increasing foreign influence in Africa at the end of the fifteenth century was the global perception that slavery was a legitimate and necessary tool of political-military and economic expansion (51). Many slave trade routes appeared with the overwhelming acceptance of slavery by the world outside of Africa. The most prominent was the Atlantic slave trade, also called the European slave trade, which primarily shipped slaves to the Western Hemisphere (52). The Atlantic slave trade began during the fifteenth century and was dominated by the European powers. Slaves were sought as cheap labor to work the colonial plantations in the Americas that produced a variety of products that were exported to Europe. For Africans, the slave trade era sowed the seed of nationalism as Europeans divided and separated families, taking the most able people to work in the Western Hemisphere as slaves. Taking the most abled Africans slowed development in the rest of Africa, and the slaves were kept in the poorest conditions no animal, let alone human being, should suffer through. Often many Africans chose death, by jumping in the shark infested water, rather than continue to live their lives as a slave. While the slave trade sowed the seed of nationalism, the application of the nation-state system sprouted further growth. The origins of the nation-state system lie in the 1648 Treaty of Westphalia, which ended the Thirty Years’ War in Europe. The treaty marked the beginning of the nation-state system, in which sovereign political entities independent of any outside authorities exercised control over peoples residing in separate territories with officially marked boundaries. The imposition of the European nation-state system created a series of artificial states that, unlike their counterparts in Europe, did not evolve gradually according to the wishes of local African peoples. They instead were constructed by European authorities with little concern for local socioeconomic or political-military conditions. Another impact of colonialism was the division of African ethnic groups among numerous colonial states (62). The Somali people of the Horn of Africa are a notable example. Previously united by a common culture but lacking a centralized authority, this classically segmented political system was subjugated and divided among four imperial powers: Britain, France, Italy, and an independent Ethiopia. The problem with division of one people among many states is irredentism, or the political desire of nationalists to reunite their separated peoples in one unified nation-state (63). Another problem with the nation-state system is the opposite of the division of one people among many states. A third impact of European colonialism was the incorporation of previously separate and highly diverse African peoples in one colonial state. Britain’s creation of Nigeria illustrates this colonial practice and its consequences. Nigeria is composed of over two-hundred and fifty different ethnic groups. Only three of those ethnic groups comprises roughly sixty-six percent of the total population and primarily reside in three different areas of Nigeria (64). There are many problems associated with the collection of diverse groups that were never under the same rule until the arrival of colonialism and the nation-state system. It leads to language barriers that will slow the development of the nation-state as a whole. It causes clashes between political cultures. For example, Britain chooses a specific ethnic group residing in Nigeria to be in power. This leads to feuding among the rest of the tribes and ethnic groups because they all believe they should be the elites. The biggest impact that the nation-state system had among the African people was its division of families and friends, which is a vital in every Africans life. The nation-state system imposed boundaries right in the middle of villages, dividing the people among different countries that will have rule over them such as Britain and France. Each country kept strict control of who enters and leaves, making it hard for families and friends to stay in touch, often leading to a total loss of touch with a person’s family. Europeans often imposed their political, judicial, and police systems that were foreign to all Africans, and made them change their social structure to fit the Europeans. Instead of relying on a chief, Privy Council, council of elders, or village assembly, which is what Africans were working with at the time, they had to change their ways of life for the Europeans or face the consequences. Colonialism also imposed a system of a direct export economy. Europeans stripped the lands of Africa for their own benefit and left locals with very little to spare. The hardships that the Europeans imposed developed a sense of identity and pride throughout Africa. Nationalism is defined as a sense of collective identity in which a people perceives itself as different than (and often superior to) other peoples. Nationalism also implies the existence of a variety of shared characteristics, most notably a common language and culture, but also race and religion. The emergence of European â€Å"nations† (or cohesive group identities) generally preceded and contributed to the creation of European â€Å"states†. The result was the creation of viable nation-states that enjoyed the legitimacy of their peoples. This process was reversed in Africa. In most cases, the colonial state was created before any sense of nation existed (81). The idea of freedom, the underdevelopment of Africa, and the development of the concept of Pan-Africanism (feelings of unity) were the reasons why the seed of nationalism that was sowed and sprouted began to fully grow. Adding to the fire was the constant treatment of Africans by Europeans as inferiors, the development on African national unions, rise of Islamic movements, and the rise of the educated class. America also had a direct effect on African nationalism along with other countries that created examples for Africans to follow. In the Atlantic Charter of 1941, the agreement by Roosevelt and Churchill, promised that Africans could choose independence and self-governance. The development of aid and nationalism in Asia also encouraged Africans (in 1947 India took its independence from Britain). Also, the founding of the UN in 1945 increased the hope of all Africans for complete independence. A unique aspect of African nationalism was its inherently anti-colonial character. African nationalist movements were sharply divided on political agendas, ideological orientation, and economic programs. Regardless of their differences, however, the leaders of these movements did agree on one point: the necessity and desirability of independence from foreign control. That desire became a reality for the African leaders and people, but not all at once. There are four major waves of independence in the history of Africa (82). The first wave of independence was marked by peaceful transitions and took place during the 1950s. The wave was led by the heavily Arab-influenced North African countries. Three countries outside North Africa also obtained independence during this period followed by the former French colony of Guinea in 1958. The second wave of independence took place during the 1960s, when more than thirty African countries achieved independence. Most of these countries were former British and French colonies. All three Belgian colonies also acquired independence during this period and were joined by the Republic of Somalia. Aside from some noteworthy exceptions, most notably France’s unsuccessful attempt to defeat a pro-independence guerrilla insurgency in Algeria and the emergence of the Mau Mau guerilla insurgency in Kenya, the decolonization process of the 1960s was also largely peaceful. The departing colonial powers had already accepted the inevitability of decolonization. Questions simply remained as to when and under what conditions (83). The third wave of independence began in 1974. A military coup d’etat in Portugal, led by junior military officers, resulted in a declaration that the Portuguese government intended to grant immediate independence to the colonies in Africa. Coup plotters sought to end their stay because of poorly trained and unmotivated Portuguese military forces that repeatedly fought against highly motivated and increasingly adept African guerilla insurgencies. The violent path to independence in the former Portuguese colonies was further complicated in 1975, when Angolan guerrilla groups clashed in what would become an extended civil war over who would lead an independent Angola. The former French colonies of Comoros, Seychelles, and Djibouti, however, achieved independence under largely peaceful terms. The fourth wave of independence emerged during the 1980s. This wave was directed against the minority white-ruled regimes in Southern Africa. Since 1948, South Africa was controlled by the descendants of white settlers known as Afrikaners. This minority elite established a highly racist system in which blacks and other minorities (roughly eighty-five percent of the population) were denied political rights. The minority white-ruled regimes of Southern Africa were confronted by guerrilla organizations that enjoyed regional and international support. Military struggles were suspended after the white minority regimes agreed to negotiate transitions to black majority rule. Nelson Mandela’s emergence in 1994 as the first democratically elected leader of South Africa signaled the end of the decolonization process and the transition to the contemporary independence era. Through colonialism, which led to slavery and the application of the nation-state system, Africans developed a sense of Nationalism that sparked their movements toward independence. It is through their own will to be their own people that they achieved their current state of independence. Research Papers on Colonialism in AfricaBringing Democracy to AfricaAssess the importance of Nationalism 1815-1850 Europe19 Century Society: A Deeply Divided EraQuebec and CanadaPETSTEL analysis of IndiaDefinition of Export QuotasComparison: Letter from Birmingham and CritoHip-Hop is ArtAppeasement Policy Towards the Outbreak of World War 2Relationship between Media Coverage and Social and

Capitonyms Are Separate Cases

Capitonyms Are Separate Cases Capitonyms Are Separate Cases Capitonyms Are Separate Cases By Mark Nichol Some words, in a class called capitonyms, have distinct meanings or senses when they are capitalized as opposed to generic senses. Writers should take care to render these words as appropriate to the context. Among capitonyms are several words denoting astronomical bodies. For example, one writes that Earth is orbited by the Moon and in turn orbits the Sun. However, when we refer to the surface soil of that planet, or employ an idiom such as â€Å"down to earth,† the proper form is earth. Likewise, if we write about the planet’s satellite or the star around which our world orbits, but from the terrestrial perspective, we generally lowercase the names for example, â€Å"The moon is full tonight† and â€Å"The sun passed behind the clouds.† (References to moons and suns beyond our solar system are also lowercased.) Geographical capitonyms include arctic, often capitalized in reference to Earth’s northern regions but generic when referring to cold temperature or mood (Antarctic, by contrast, is generally styled as a proper noun), and alpine, which is capitalized only in reference to the Alps, in Europe. In politics, such words as democratic, republican, conservative, liberal, socialist, and communist, generic references to concepts of political thought that serve as nouns and adjectives, are capitalized when referring to a political organization or a member of such an organization. The treatment of god depends on whether one refers to a deity in general or to that of the Abrahamic religions (Christianity, Islam, and Judaism). In philosophical or religious contexts, words for qualities such as truth and beauty are often capitalized to signal the significance of the conceptual connotation. Another religious term that may or may not be capitalized is mass, referring to a religious ceremony. It is often capitalized when referring to a specific religious ceremony (for example, â€Å"High Mass†) but is lowercased in generic references to such events (â€Å"He performed several masses†), as is the word when it refers to the unrelated meaning of physical phenomena. Want to improve your English in five minutes a day? Get a subscription and start receiving our writing tips and exercises daily! Keep learning! Browse the Spelling category, check our popular posts, or choose a related post below:25 Subordinating Conjunctions"Owing to" vs "Due to"Shore It Up

Best Websites to Learn English

Best Websites to Learn English Best Websites to Learn English Best Websites to Learn English By Sharon Whether you are learning English as a second language or trying to polish your already adequate grammar and style skills, the seven websites below can help. 1. Memrise Memrise is an online flashcard website where people can upload their own flashcard stacks. You can find a range of topics ranging from Geography to Electronics to Fashion. These flashcards are great if you want to learn English vocabulary for specific topics, as the majority of flashcards come with pictures and sounds to aid your learning. Even if you know English very well, Memrise can help you learn higher-level English, with flashcards covering SAT and GRE English, and more. 2. Duolingo If your first language is not English, and you are confused about where to go first, I suggest Duolingo. Duolingo is a language-learning website that transforms the language-learning process into a game. You are given tasks like matching words to flashcards, picking the most appropriate word for a sentence, writing what you hear, and more, all in your native language. Duolingo will help you take your English abilities in reading, writing, listening, and speaking, to a basic conversational level once you finish the course. From there, you can take the reverse course, translating from English into your native language. The learning never stops at Duolingo. I often find myself redoing the courses to solidify my abilities. 3. Dictionary.com Everyone, at one time or another, needs a dictionary. There are hundreds of thousands of words in the English language and not many people know them all. Everyone, from the most basic of beginners to the more advanced speakers of the English language, should bookmark Dictionary.com for future reference. You never know when you will need to learn what a word means, like hesperidium. Use that in a sentence! 4. Readable.io Sometimes, the best learning happens when we teach ourselves. It is one thing to learn from others, but we can really solidify the lessons learnt by going over our own mistakes, and correcting them. Readable.io checks your typed text for you, highlighting your ease and ability at writing. Using readability scores, text analytics, keyword densities, and sentiment analysis, you can learn where your writing skills are lacking, and how to correct them. This website can be a very valuable tool for the self-taught writer. I used it all throughout school on academic paper drafts. 5. Purdue Online Writing Lab Run by Purdue University, the Purdue Online Writing Lab can teach you how to form grammatically-perfect sentences. Although the website is meant for university-level students, anyone can improve their grammar and abilities in English via the site. You can learn how to improve your general writing abilities, perform better research and cite that research, and more. There is even a section on English as a Second Language. Regardless of your English abilities, you should use this resource if you are performing research of any kind. From grade-school assignments to masters-level citations, any student can benefit from the Purdue Online Writing Lab. 6. Grammarly Sometimes, you just want to check your grammar, sentence by sentence. Grammarly will provide suggestions based on your written input. You can use this website to increase your vocabulary range and your written skills. There are many words in the English language that can confuse even the most ardent of English speakers. I still meet adults today who misuse â€Å"two,† â€Å"too,† and â€Å"to.† Understanding the differences that words can make in the meanings of sentences is vital to improving your English. While Grammarly is not free, it is worth every penny. 7. Upwork While Upwork is not exactly a website where you can learn English, it can help you improve your reading, writing, and speaking abilities by helping you hire a tutor. Upwork is an online marketplace where you can hire individuals to help you with a variety of things. Rates are affordable and each person offering a service has a complete profile with ratings and review from previous clients. For a reasonable price, you can contract an English tutor to speak with you online and help you with your English. They can help improve your conversational English abilities, grade your written English, teach you new concepts in the English language and more. Due to the versatility, affordability, and accessibility of online marketplaces like Upwork, this resource can be one of the most valuable ones you use as you learn English online. Good luck. Want to improve your English in five minutes a day? Get a subscription and start receiving our writing tips and exercises daily! Keep learning! Browse the Writing Basics category, check our popular posts, or choose a related post below:How to Punctuate References to Dates and TimesOne Fell SwoopHow Long Should a Synopsis Be?

Responsibilities of a Team in Managing Resources Assignment

Responsibilities of a Team in Managing Resources - Assignment Example It is evidently clear from the discussion that the organization has to make use of its resources to achieve its objectives. Therefore, the team has to ensure that the group members aim at attaining the set standards by making proper use of the resources to avoid wastage. The team acts as the organization’s ambassadors. The team together with the stakeholders and the board develop strategies for future operations and give recommendations on the appropriate course of actions in the management of resources. More often, management of resources depends on the recommendations of the team-leaders and leadership of the organization. The team plays a critical role ensuring that it gives relevant information on the management of resources. It also keeps an eye on the progress of the organization in its operation. It acts as a watchdog on how the organization operates and making use of its resources. Constant monitoring of the organization ensures those resources are used appropriately a nd wastage is reduced significantly. Lastly, the team has a duty of advising the management team on the proper use of resources. There is no doubt that most managers cannot manage the organization effectively without the help of other staff and groups. These are the information sources on how the organization can be managed. The team, advice on particular areas the organization can do to manage its resources effectively. Resource plan is a document that explains the aim and purpose of the team, how it operates as well as the expected outcomes. They are simply the ‘roadmaps’ that ensures that the organization achieves its goals. Most importantly, this plan ensures that the organization uses its resources as intended thus achieving its objectives. Although the organization may face challenges, it provides a guideline on how to make use of the available resources and attain its success.

No chosen yet (sociology) Essay Example | Topics and Well Written Essays - 750 words

No chosen yet (sociology) - Essay Example Oneida community is a religious commune founded in 1848 by John Humphrey Noyes. This organization practices communalism where the members practice communal labor in which men and women have to work together and become an engaging community. Not only labor did members come together but in almost any occasions. Members likewise participate in enjoyment and self improvement thus they are not left in solitude. How the community worked and lived together in a â€Å"Mansion House† painted an unusual picture of a rich and happy community. Complex marriage is also practiced where in men are married to every women and women are married to every men. Other practices of the community include mutual criticism and ascending Fellowship. After many years of existence, the community later transformed into a capitalist enterprise known as the Oneida community, Ltd. (Olin, 1). Today, Oneida’s â€Å"Mansion House† serves as a tourist attraction. The Church of Scientology is another organization founded by Lon Hubbard with the goal to promote scientology. Under the organization are several separate incorporations with their own local boards, executives and directors responsible for the activities of each corporate and ecclesiastical. Members are taught that people are immortal spiritual being who have forgotten their own nature. In addition to this teaching, the organization believes that the experience of man could be extended beyond a single lifetime with unlimited capabilities. Thus they believe that events in the past affect the present limitations. Furthermore, they consider that man is good who seek to survive. However, his survival depends on him, his fellows, and his attainment of brotherhood in the universe. They also practice giving study materials and auditing course but with a corresponding donations. Just like Oneida, the Church of Scientology has its own controversy. Many believed that it operates as a cult and as a commercial enterprise. The Mor mons is founded by Joseph Smith in 1820. The name Mormons refer to the followers and their religion Mormonism. This cultural group is a form of Christian primitivism where other small independent denominations were based. The movement seeks maintain doctrines that supports the practice of polygamy. The members share a common belief with the Latter day Saint movement where they adopt teachings from the Bible especially the old testament, other religious texts, Books of Mormons, doctrines and covenants. The movement also accepts the Pearl of Great Price as part of their canon. Mormons believe in the Living Christ and the importance of eternal marriage. The Jehovah witness is founded by Charles Taze Russell in 1870’s with members that is over 18 millions. Jehovah base their teachings solely from the Bible however they have they own translation that they prefer to use. They believe in the destruction of the earth which they refer to as Armageddon. They claim that the only solutio n to all problems of human kind would be the establishment of the Kingdom of God. Jehovah witnesses are known for several activities. They are the religious group distributing The Watchtower and Awake magazines. They are known for their door to door teaching of their translated Bible, the New World translation of the Holy Scriptures, and are known not to accept military services and blood donation and transfusion. These religious organizations become a sociological interest because some of their practices are considered bizarre by

Significant life changing moment Essay Example | Topics and Well Written Essays - 2000 words

Significant life changing moment - Essay Example e, entire fate gets changed from even very small changes in life, in this discussion I would tell you what turning points my life took and how I changed my self entirely. I was born in a lower class family with so many problems and I saw my parents fighting all the time with no mercy, both of my parents were quite opposite to each other and they had no match, still I wonder why God made such a terrible match, but now I realize that it all happened because God was willing me to get birth from that couple, I was never comfortable as a child, though I was the only one to take birth and had no one around except my parents, as a kid I never gained attention of my parents because of numerous reasons, firstly my father who was a sports person, used to have very less earning and what ever he used to earn he never gave it to me and my mother, this was the first clash between my parents, secondly my mother also had to do part time jobs in order to support me and herself, so there was no way to get individual attention from either of my parents, life was never easy for me, I still remember when I used to walk and visualize all the happenings of my life at an ea rly age, I tried my level best to bring my parents closer but was failed each time, may be because they were also never comfortable with each other and also they never thought of sacrificing their lives for me and one day they both got apart forever, I was five when they got divorced, it was decided that I would live with my mother as my father was never willing to keep me and that is what exactly happened, â€Å"Modern childhood is often portrayed in terms of enhanced democratic relationships between parents and children, with the assumption that childrens negotiating power has increased over time†(Jensen, 1: 2003). My father was a strange person and he was said to be psychotic by my mother in which she was quite true, my father remarried to his old time friend who was a nurse at some hospital but he was again a

Does the state control capitalism, or does capitalism control the Essay

Does the state control capitalism, or does capitalism control the state Answer by referring to at least two authors - Essay Example Introduction There are several definitions about the government forms of capitalism; however, many scholars have narrowed the definitions into two distinct perceptions. Firstly, capitalism can be described as a form of an economic system where the government controls all the means of production and the trade industry. In such a situation the government tends to use all the possible production means to exploit the citizens at the interest of the state.1 Russia is one of the major countries practicing this kind of capitalism where all projects are initiated by the government, financed by the state and the revenues collected are contained by the state.2 The second distinction entails a condition where the government controls private capital firms such that, the operations are defined and controlled by some acts or policies enacted by the government. However, the level of control in private firms would now greatly depend on the extent of the government involvement. ... An evidenced by countries such as the United States where the government control on private firms has resulted in an economic crisis that can be backdated all the way back to the early 60s, it can be seen that even if the general control of the private firms is left in the hand of the owners, the government will always find a way of establishing control by using various tools such as the sneaking in of policies aimed at imposing regulations that will allow them to effect more control. In the essence of war, the government always ensures the all the necessary elemental bodies concerned with the provision of war materials are prepared in time. In addition to this, most governments step in to control farmers produce and food production industries with an aim of sustainining its’ citizen during the warfare; this is a clear indication of how the government engagement in capitalism ends up in its controlling the economy. Several questions have been raised as to whether the governmen t maintains good roles pertaining to capitalism. However, several results indicate competition is controlled so as to create capitalism and this is different from the other forms of capitalism. Capitalism is never simply engaged in the collection of revenue, but the state officials would exercises extreme exploitation of the workers which, is very contrary to the interest of the society.3 General state control on capitalism Despite the fact that individual ownership of private organizations has been in existence for quite sometimes now, most governments participate actively in the regulation of the operation and control of vital industries such as the ones concerned with the production of food and exports amongst others. Most economists point out that the state can become a very

Reading response Essay Example | Topics and Well Written Essays - 250 words - 37

Reading response - Essay Example However, the family dwells on Orwell’s misfortune and decides to vacation prior his arrival. The situation leaves him unemployed and poor for a month. Orwell borrows a little amount of money like he did back in Paris through pawning his suit. He spends most of his money quickly through renting beds within overpriced hotels as he is not used to living in cheap ones. Soon after, he joins other homeless people in London and wanders between shelters. Even as the shelters are relatively free, most of them do not accommodate the theme for more than a night. The food served is meager and does not satisfy human consumption (Root 48). While Orwell shares between shelters, filth and hunger are constant accompaniments coupled with the considerations of contemptible majorities in the society. The narrative ends with Orwell organizing for the last loan. The employers are set to return in a week’s time and with little efforts of enduring destitution, he bids farewell to his comrades for a long time rest of their

The case study will be send by file .pdf Example | Topics and Well Written Essays - 1000 words

The will be send by file .pdf - Case Study Example Offering the employees with low food cost menu which are also known as â€Å"freebies† during their shifts can help to deter these employees from eating higher food cost items. Not using Consistent Portion Control- For keeping the business profitable, portions should be controlled with, consistent storage sizes, calibrated food scales and correct sized serving utensils Wasting Food- Utilizing maximum quantity of food can help to decrease food cost percentage. For example beef trimmings from the tenderloins can be purposefully used into satay beef tips, which can be sold as moderate entry special. Buying Food for Home- Using food from the kitchen restaurant instead from the grocery store on a regular basis will skew food costs and profits. Bulk pricing helps to use food for a personal use and also pay it back. Poor Staff Education- employees who burn food, does not practice portion control or rotating food according to first in first out basis will definitely increase the food cost percentage. Poor Bookkeeping- food suppliers often make mistakes on invoice like charging double of the amount , not reflecting the payments made or delivering the food that is listed on invoice. Weekly food orders should be checked to ensure all of it is accounted for and also matches the invoice. Copies of all the payments made and invoices should be properly stored in case of any disputes. Using only one Food Vendor- Prices offered by different vendors should be compared and asked for a match. 2. Do you think that the beverage cost percentage might be rising or falling? Why? The beverage cost percentage will rise because it is directly proportional to the cost percentage of food which is also rising. 3. What issues might Jack be discovering with the inventory levels in the central stores and Preparation kitchen stores? Inventory control is an important way to ensure that the appropriate products are available when required and to control cost. Two types of inventory methods are required: Perpetual inventory- It is a continuous record of the purchases and deliveries and issues of food supply. A system involving the use of computer program needs to be in place to ensure that a perpetual inventory is maintained. Physical inventory- It is an actual physical count of the product in hand that is done on a periodic basis usually monthly. Physical inventory helps to verify perpetual inventory. Someone else who maintains the perpetual inventory does not maintain the physical inventory. Jack might have faced the following problem with the inventory levels in the central stores and preparation kitchen stores: Central stores do not compare the changes in the beginning and ending inventory to net purchases, issues and write offs because the inventory management system is not programmed to generate reliable reports of the total purchases from the vendors. The systems also do not generate any report of the total issues to the departments which needs to be reconciled with the ending inventory. There is also no evidence of the fact that the comptrollers has verified that the accounting records match with the annual purchases and issues because summary of the general ledger reports that account for storeroom inventory issues are not generated by the accounting system. The ending inventory also do not account for the city wide purchase order. The accounting syste

Reading response Essay Example | Topics and Well Written Essays - 250 words - 37

Reading response - Essay Example However, the family dwells on Orwell’s misfortune and decides to vacation prior his arrival. The situation leaves him unemployed and poor for a month. Orwell borrows a little amount of money like he did back in Paris through pawning his suit. He spends most of his money quickly through renting beds within overpriced hotels as he is not used to living in cheap ones. Soon after, he joins other homeless people in London and wanders between shelters. Even as the shelters are relatively free, most of them do not accommodate the theme for more than a night. The food served is meager and does not satisfy human consumption (Root 48). While Orwell shares between shelters, filth and hunger are constant accompaniments coupled with the considerations of contemptible majorities in the society. The narrative ends with Orwell organizing for the last loan. The employers are set to return in a week’s time and with little efforts of enduring destitution, he bids farewell to his comrades for a long time rest of their

Apply Dsm-Iv to William Styron Essay Example for Free

Apply Dsm-Iv to William Styron Essay He chronicles â€Å"the leaden and poisonous mood† (Styron, 1990) that occupies most of his days. He reflects his diminished interest and pleasure towards â€Å"exceptionally island’s pleasure†, his â€Å"beloved home†, writing and other activities that he used to enjoy. He wonders how his friendly place seemed so hostile and forbidding. As a writer it felt helpless and painful to him when he found out â€Å"the writing becomes more difficult and exhausting, finally ceased† because depression has made him unable to concentrate. Styron’s statement of â€Å"two or three hours of sleep I was able to get at night† indicated that he suffered from insomnia and the everyday sleepless was â€Å"a rare torture† to him. It was clear that his insomnia evolved from middle insomnia to severe insomnia just right before his hospitalization (Andreasen Black, 2011). Styron also stated his slowed psychomotor functions that manifested in â€Å"slowed-down responses, near paralysis, psychic energy throttled back close to zero†. Styron further describes his mental illness severity as â€Å"reached the phase of the disorder where all sense of hope had vanished, along with the idea of a futurity†. While these particular descriptions depict Styron’s hopelessness and despair, he also proposed a question â€Å"Why wasn’t I in a hospital† which implies his later voluntary hospitalization and improvement in his illness. In addition, Styron constantly thinks about death and suicide evidenced by â€Å"Death, was now a daily presence†. His house has also become a place that was filled with possibilities of committing suicide. These core symptoms in Styron’s case defined major depression and has presented for more than two weeks (American Psychiatric Association, 2000). Styron stated by himself that there was no manic episode occurs. And there were no evidence for a Mixed Episode. Although it was clear that client’s alcohol abuse history and his overuse of sleep medication play roles in his depression client’s depression are not due to the direct physiological effects of the substances or any general medical condition (American Psychiatric Association, 2000). It is interesting to address that client’s symptoms are not better accounted for by Bereavement but the unresolved grief Styron had toward his mother can be consider a major factor that contributed to his depression. The childhood trauma and the unresolved grief will be discussed later in this essay. In Styron’s case his depression began gradually during the six to eight month time frame. â€Å"Styron is on point in his astute description of milder dysthymic states that evolve into physiologically engaged forms of sever, endogenous depressions† (England, Ganzer, Foster, Tosone, 2006). Based on client’s current situation it is reasonable to give Styron â€Å"moderate† with current GAF score of 65. Styron stayed in hospital for nearly seven weeks and discharged with an improvement in his illness and his functions. All of his statements of â€Å"I began to get well, gradually but steadily† â€Å"the fantasies of self destruction disappeared† â€Å"suicidal notions dwindled then disappeared† â€Å"had first dream in many months† indicated that he was in the process of Partial recovery. Not only he started to feel â€Å"peace† in his mind but also he was able to attend hospital group activities. Styron has high adaptive level of defensive functions at current state. The understanding of the causes of depression has evolved over centuries. While Styron was detecting his â€Å"forgotten or buried events† that underlay his depression it will be important to look into his case through the biopsychosocial lens. From biopsychosocial model perspective the three major factors which all play a role in causing depression are biological, psychological and social factors. There are three aspects that contribute to Styron’s biological factor: genetic, alcohol use and medication. Based on Styron’s memory, his father, a shipyard engineer, suffered from clinical depression. When Styron was a young boy he have witnessed his father’s depression and hospitalization. Recent genetic research supports earlier studies reporting family links in depression (Pittenger Duman, 2008). If one or both of child’s parents have a vulnerability to depression, then it can be transmitted to the child. Therefore Styron’s father’s depression can be viewed as a risk factor to Styron’s later depression. In the narrative of Styron, he stated his dependence on alcohol and the overuse of Halcion for his sleeping problem. Excessive alcohol consumption significantly increases the risk of developing major depression (Gottlieb). Similar to alcohol, the increased risk for developing depression in benzodiazepines might be due in part to effects of drugs on neurochemistry, like decreased levels of serotonin and norepinephrine (Pittenger Duman, 2008). Styron himself acclaims that â€Å"more significant factor† (Styron, 1990) to his depression was the death of his mother when he was thirteen. In order to view psychological factor in Styron’s case Styron’s early mother lost has strong affect on his depression. Attachment theory predicts a relationship between depressive disorder and the early bond between the child and parents. Particularly the experiences of early loss, separation may all lead to insecure internal working models (Ma, 2006). To Styron, the death of his mother has â€Å"created nearly irreparable emotional havoc† (Styron, 1990) for him. This huge hole in his life may lead to his insecure and self-worthlessness. This insecure internal working models manifest through depressed individuals often blaming themselves for negative events and may not taking credit for positive outcomes. Styron reaction towards can be interpreted as he subconsciously felt he was not worthy of the honor (Marowitz, 2009). Regarding Styron’s own insight of â€Å"incomplete mourning† (Styron, 1990) he is right about the unsolved grief can keep bring the â€Å"insufferable burden of rage, guilt and sorrow†. â€Å"The Styrons were a dignified Southern WASP fanily and open displays of grief were tacitly discouraged† (England, Ganzer, Foster, Tosone, 2006). Since Styron was stuck in the phase of unresolved grief and using rage, guilt, and sorrow as the fuel for his work he never really learned a correct way to release his negative repeating emotions. Social factor in Styron’s case may be his social isolation during his early life from childhood to adolescent. As an only child in the family Styron’s social support can only come from his depressed father and mother with terminal illness. There was no one to share the burden and loneliness with him. As a pre mature and gifted child Styron went to school’s grade that did not match his developmental stage.

Youth Gangs And Youth Violence Criminology Essay

Youth Gangs And Youth Violence Criminology Essay To believe that the existence of youth gangs and juvenile violence is a myth is to believe that its causes are also fictional. But what is so fictional about this reality? There is no denying that there are gangs, brought about by many of Americas youth, who wants a quick fix in life. Studies back this up. The national survey of law enforcement jurisdiction counted almost a million gang members in the United States. Among these gang members, 46,000 were involved in gang accidents that spurred a violent crime (Hunzeker, 1993). According to the study by the West Virginia University (Hunzeker, 1993), about 20,000 violent offenses were connected to gangs, which includes 974 homicides, occurred in Americas 72 largest cities. Our contemporary information about gang formation considerably attributes their existence, again, to poverty and other social problems. This factor is magnified further when you add the availability of drugs and weapons in the community into the scenario. These variab les (poverty, drugs, and weapons) tell us much about the trend of gang formation. Research suggests that gangs and their crimes increase when community degenerates or if the economy drops (Hunzeker, 1993). Furthermore, when neighborhoods, schools, families in the community disperse or decays, most youth turn to gang membership as a means to build their esteem and re-establish their social identity. Now, there is absolutely nothing mythical about this. Truth of the matter is, gangs seem to be an attractive option where legitimate means of survival is lacking. Thus, gangs mirror societys identity-juvenile gangs are the reflection of the youth on the very society they live in. Almost any enrollment to gangs affords the youth protection and excitement, which is why the propensity for violence is always there. Drugs and weapons connected to the crime is only the direct result of the gangs inherent objectives. But the most violent crimes connected to gangs are not random shootings or drug disputes; rather it is the escalation of disputes between rival gangs. II. There are various points of views from experts on the causes of youth gangs and violence. John Hagan and Bill McCarthy of Cambridge University offer an insight between the relationship between juvenile and their participation to criminal activities. Moreover, they added, the common profile of a street youth is male, around 18 years old and comes from a broken home. Approximately 30% had lived with both biological parents before leaving home, 24% had lived with step-families, 18% had lived with a lone-mother, and 17% had lived in foster or group homes before taking to the street (Hunzeker, 1993). A full 87% of youth have undergone physical violence from their parents or guardian; and another 60% of them were bruised due to assault. Most criminologists peg street crimes to young men who are poor, unemployed, badly educated and frequently raised in unstable homes. These men account more than half of street crimes occurrences. These are the base roots of street crimes, but to explain why juvenile turns to street crime needs a much detailed analysis. Experts say that variables like poverty and poor health influence criminal behavior, but there is a large disagreement among them in what actually causes youth to go against the law and injure others. Elliot Currie, a crime expert of University of California at Berkeley for example, believes that street crimes are largely due to the U.S. failure to support poor families (Robinson, 2003, 2). In this case, there is a widespread inequality that gives rise to resentment and anger. Mercer Sullivan an anthropologist of Vera Institute, on the other hand, believes that education is to blame (Mears Travis, 2004, 31). He thinks that poorly educated young individuals, regardless of their race, are all curious of exploring crime. But as time moves on when some individuals mature through getting decent jobs, while others didnt because of racial disparity, inequality or other unjustifiable reasons that negatively affected them, these individuals become desperate and turns to street crime-such as burglary and mugging-to compensate. Other experts thrust their blame on the environment; others to mental disorder; still others to negative influences. At the same time, these youth begin to see the social system as unfair who look at themselves as unemployable, which significantly increases their involvement to possible criminal action. Now, why is this so? Because these juveniles grew up in a conventional society where they believed eventually betrayed them. Thus, they responded with depression and guilt, leading to a passive withdrawal and criminal behavior inhibition. They begin to narrow down their options and see that crime is the better alternative than employment to compensate their material needs. III. Addressing this issue begins looking for changes on how this problem can be mitigated, which can lead to more feasible solutions. In this case, we describe law enforcement authorities. Typically, the police try its best to curb the increasing problems of juvenile street crimes. They have two approaches: An aggressive stance and punishment to those hard-core predatory gang members; and the prevention of recruitment and early intervention to would-be gang members These two approaches may be effective on a poor community that has had enough of gang-related street crime. But what happens when theres a gang increase in a comparatively affluent towns and suburbs. The loophole of this approach is purely on perception. Usually when forums revolve around homeless youth, they are always tagged as the criminal perpetrators. This is due to the deeply rooted perspective that endured to popular media, which believes that delinquent street, homeless youths are bad, deviant, troubled, or misgui ded, who apparently have left their homes with insignificant reasons. Once out to the streets, they are labeled as involved in criminal activities, which puts at risk the publics health and safety. It is they who are the usual suspects for disturbing the peace; that causes problems to the public; that are driving away tourist by making streets unsafe; etc. Yet, these forums fail to point out that these homeless juveniles equally are victims of street crime. When living in the streets, young individuals are highly exposed to delinquent activities, dangerous locations, proximity to other offenders-that can all lead to victimization. Police and the community must have a better understanding of the causes. IV. First essential facet to improve on change preconceived ideas and stop the stereotyping and profiling juveniles on the streets. Officials and law-makers can start with the media, especially in this time and day where the bread and butter of television news are the spicing up of events. According to Rose (1994), street crimes are the coal that boils the crisis boiler. Reportage of street crimes are exaggerated in the United States that the real facts of the matter are left out to give way to perception and sensationalizing of events. The trouble with this source of information is that media executives reinforce their viewers stereotype by showing only one side of the offenders and not taking account of other reasons of the crime. Television enables its viewers to categorize what crime to what offender commits them, without giving more extensive information on why that crime took place in the sociological level. Viewers, in turn, are fed with profiling street juveniles. It shows that news reports overstate crime committed by minorities by consistent reportage and tableau of either Blacks, Latinos, Asians, etc. in a crime that shapes to false perception, which skews reality by giving a scary and untrue image of crime in America. What is needed as one of the most essential solutions to curbing juvenile street crimes is more information towards the public viewers on what sets criminal behavior among their youth. The community should realize that a criminal incident is not an isolated case-it is brought about by multiple, interrelationship of the juveniles condition, including poverty, homelessness, etc. The viewing public should see the connections of why street crime occurs. This is the only way to begin a solution against social delinquency, through a keen observation of interrelated factors.