The Aral Sea Desertification

The Aral Sea Desertification Desertification is the process by which a habitable place of land becomes a desert due to climatic changes or ill human practices in the environment. The Aral Sea is a victim to such adversity due to malpractices and power hungry nature of humans. Thus becoming a saline lake from its previous form of being the 4th largest lake in the world. It used to be the leading site of fisheries, reed growing and other trading due to its ports. All these services have been vanquished due to the desertification which seeped into the sea and its atmosphere. Thereby becoming one of the worlds greatest disasters caused humans. People have always had a greed for power and gold. Such was an instance for the Soviet Government in the 1960s. The need to grow heat absorbing crops such as rice, cotton, grapes and other vegetables made two prime rivers The Amu Darya and The Syr Darya, feeding the Aral Sea to be diverted to irrigate the crops. Due to such malpractices the Aral Sea shrunk in size from being the worlds 4th largest sea to a dry barren sea basin. But even though they have caused an ecological disaster, actions are now being taken to replenish the sea of its thirst and recover it back to its natural beauty. The Aral Sea : The Aral Sea has a catchment size of 1,549,000 km2 . It was a sea that situated in Central Asia and lay between Kazakhstan in the north and Karakalpakstan, (a region of Uzbekistan) in the south. It used to have an area of 68,000 square kilometers and it was due to the two main rivers, in fact the 2 largest rivers in central Asia the Amu Darya and the Syr Darya to fill up the sea. Around 1960, about half of this water replenished the Sea the rest evaporated, transpired, or filtrated into the ground naturally as the rivers flowed through the deserts and some was taken for other human uses. Everything was going well keeping the environment intact until the former Soviet Union decided to divert the rivers to grow white gold- cotton, rice and other vegetables. This was a major plan for them to become a lead exporter in cotton. Which eventually happened as Uzbekistan is one of the lead exporters of cotton to this very day. But cotton and rice being extremely thirsty plants required immense amounts of water and instead of the 2 rivers irrigating the desert it was used to irrigate the 7.6 million hectares of thirsty crops. Due to the diversion of the water the water level started to decrease as the river discharge started to drop. Subsequently as the years passed by the rivers brought lesser water to the sea. The sea was retreating from its original shores, leaving behind dry land covered by the crust of salt. The irrigation project was enormous and no attention was given to downstream requirements. The irrigation techniques were not efficient with open waterways leading to waste. Very little care was given to the need for proper drainage. On average there was a decline in water level during the 1960s of 0.21 m/year, in the 1970s of 0.6 m/year, and in the 1980s of 0.8 m/year. Now it has lost 80 % of its volume and uncovered 3.6 mil hectares of seabed .The surface level has contracted by half, the level significantly reduced by 19 m and in some areas the seas edge is more than 100 km from its former shore. The Soviets were not surprised of the slow recline and eventual fading of the Aral Sea, as they had predicted this to happen. In 1964 , at the Hydroproject Institute Aleksandr Asarin stated that the lake was doomed, explaining It was part of the five-year plans, approved by the council of ministers and the Politburo. Nobody on a lower level would dare to say a word contradicting those plans, even if it was the fate of the Aral Sea. Plans were taken to refill the Aral Sea after a while but the estimated costs were staggering, the authorities rejected the project in 1966. Ecology ,environment and climate : The future of the Aral Sea looked very grim. The surrounding environment and the marine ecology of the started to depreciate. The local climate, hydrology and natural habitat were also affected greatly due to the declining sea- level. As the sea level reclined, few areas started to get exposed. The deltas in the sea was lush and abundant with flora and fauna that provided flowing food supplies for the livestock , and reeds for the industry , an abundant breeding ground for its fish industry and sites for hunting. When the deltas started to dry up, deserts started to form thereby the number of wildlife, fish and livestock started to drop. Only 38 of the 173 living species that once habited the deltas survived. Just 30 years ago the sea was a major contributor to the fishing industries; in 1957 Muynak and Aralsk were flourishing sea ports processing catches of 48,000 metric tons of fish. Now these fishing ports are situated many kilometers from the sea line and the fisheries are only open at very expensive costs with fish coming in from the Barents and the Caspian Seas. By the 1980s almost 20 of the 24 native sea fish species disappeared. The Soviet planners realized that if they were to expand the irrigation systems it would have contrary impacts on the sea, yet still nothing was done about it. They did not realize that it would have an effect on the surrounding natural climate. As the irrigation and the recline of the Aral Sea continued huge dust storms developed due to the sea drying up. As a result the agricultural productivity started to decline making it inhospitable for crops. As the sea dried up more places in the sea started to get exposed and at the upper layer of the seabed the concentration of the toxic salts at the seabed combined with the lack of water and its nutrients made it difficult to provide a stable plant cover. Due to this dust storms started to brew and this increased in frequency and magnitude, as a result it carried an estimated of 43 million metric tons of salt per year over the enormous areas. These dust storms contained sodium chloride and sodium sulfate, which are toxic to plants. As the salt levels in the regions started to rise in the water and soil contents it started having adverse effects on the agriculture in the region. Due to this excess of water was needed to meet the requirements of the plant but the problem was drainage was often poor together with the fact that it was more saline than the soil. This accumulates and raises the level of the groundwater table. As the water table rises into the root zone, the crops suffer from curtailed oxygen supplies. Thus the capillary action draws salts from the shallow groundwater tables upward toward the surface. As the water evaporates, high concentrations of salt are left on the surface, thereby ruining the agricultural potential of the land. Soviet research suggests that 60 percent of the irrigated soils in Uzbekistan, 80 percent in Turkmenistan, 35 percent in Tadzhikistan, 40 percent in Kirghizia, and between 60 and 70 percent in Kazakhstan suffered moderate to strong salinity problems in 1985. The climate of the area was also affected, summers have become hotter, winters have become cooler and growing seasons have significantly become shorter. Precipitation has also decreased thereby increasing daytime temperatures. Average May temperatures were 3.0-3.2 degree Celsius higher, average October temperatures are 0.7 to 1.5 degrees higher and the growing season has declined by 10 days. The Aral Sea, a large saltwater lake, is losing more than half of its surface area in 40 years. 3 Cows walk in the desert which used to be the seabed of the Aral Sea 4 Human Impacts : Not only was the climate and animal life affected but even humans were affected from this disaster. Drinking water supplies were contaminated by pesticides. Many other diseases were released due to the desertification. Over the last 15 years diseases such as tuberculosis, hepatitis B, kidney disease, gallstone ailments, chronic gastritis have increased; infant mortality rates have gone up and the frequency of esophagus cancer and tuberculosis have reach epidemic levels. One survey found 80 percent of the women suffering from anemia and 70 percent of the children ill. Due to the rise in morbidity and reduced mortality in the people, hospital rates went up and poverty increased. Because of the vast no. of health problems in the population hospitals were lacking in essential medicines and health care. On account of the rising diseases, many of them were found in the blood and breast milks, as toxins found in pesticides and other toxic gases from the dust storms seeped into foods and contaminated food supplies. As the waters are highly saline and contaminated, drinking water supplies have significantly decreased leading to liver and kidney diseases. The people have also been exposed to airborne toxins found in the dust storms causing respiratory diseases. Due to the desertification the fishing industry and other local occupations such as reed growing, farming and other occupations disappeared causing unemployment rates to sky rocket, leading people to poverty. They were unable to grow agriculture due to the high salinity of the water. Shipping ports closed and the Aral Sea became a ship graveyard. Aral Sea Restoration : Finally attention was given to the Aral Sea in the 1980s and 1990s but the government realized that it would not be possible to restore the Sea to its original size back in 1960. But if it was left to continue to degrade a major catastrophe would occur. Looking into the problems 5 countries volunteered to try and restore or at least alleviate the cataclysm. Those 5 countries are: Kazakhstan, Uzbekistan, Tajikistan, Kyrgyzstan and Turkmenistan; the countries that neighbor the Aral Sea. They created the ASBP (Aral Sea Basin Program) in 1994 which was established to be conducted in four steps: To stabilize the environment of the Aral Sea Basin, To rehabilitate the disaster area around the sea, To improve the management of the international waters of the Aral Sea Basin, To build the capacity of institutions at the regional and national level to advance the programs aims. More water would have to pump into the Aral Sea if it had to be revived. The five countries referred to Interbasin Transfers (IBT); but it has not been put into place. They projected to divert the Caspian Sea into the Aral Sea but they anticipated that the same catastrophe might occur in the Caspian. This was just a hypothesis to be carried out, so ASBP was put into place. The first phase was to directly improve the land around the basin without touching the water system. This began from 1992 until 1997. This was because they found it difficult to implement the phase. Phase two began in 1998 till 2003. They wanted to increase awareness of the area to the public but they had little concern of the propaganda thus causing this plan to fail as well. Phase three was implemented in 1997 as the government constructed a new plan to back up the previous ones. The main objective of this plan is to improve the irrigation systems that are still there but aiming at the water management at a local view. The North Aral Sea is the largest project of this phase. The main idea is to build a dam across the Berg Strait ( a channel which connects the North and South Aral Sea). The dam is eight miles long and can facilitate twenty nine cubic kilometers of water to be stashed away in the North Aral Sea and allowing the excess water to overflow into the South Aral Sea. Currently work is going on in the North Aral Sea to restore it. Irrigation in the Syr Darya have been improved and mended to increase the flow of water. In October 2003 the government began construction of a concrete dam, Dike Kokaral which separates the Aral Sea from the North and South. Construction finished in August 2005 and due to the dam water level in the North has increased also decreasing the salinity of the river. It is a minute growth but a valuable one over time. Few of the fish stocks were released into the river to bring back the past occupation and revive the fishing industry once again. This outstanding project caused small changes to the climate causing few rain clouds to brew up. The sea depth and sea surface has increased over the years. Seeing these achievements in the area the government has decided to construct a second dam to further the healing process of the Northern side. The South of the Aral Sea only receives overflowed water from the North of the Aral Sea but apart from that no other measures have been taken. But plans have been pulled up to create a channel to connect the North and South and continue the replenishing projects in the South as well but political constraints are limiting its progress because of the oil exploration in the South of the Aral Sea. Conclusion: The Aral Sea was the fourth-largest Sea in the world at one time but today it does not exist in any last apart from the top ten ecological disasters caused by humans. Even though measures are taken to restore the Aral Sea back to its original form predictions are being made that because only the North Aral Sea is being refilled it may divide up into the North Aral Sea and the South Aral Sea as two completely separate basins. All these decades of problems and catastrophes were just over the greed of making more money, yes maybe it might increase the revenue of a nation but it should not be at the cost of another whole biome. There is a sufficiency in the world for mans need but not for mans greed. -Mahatma Gandhi

Lupain Ng Taglamig

DETERGENT PESTICIDE DISINFFECTANT PRESERVATIVES ADDITIVES MEDICINES BLEACH PETROLEUM JELLY ALUMINUM FOIL CORN STARCH NAME. ROMELYN. VILLAMAYOR YR&SEC; IV-EDISON TEACHER; MRS. SALUDES NAME:ERICA E. VILLAMAYOR GR&SEC: VI-MALINIS TEACHER:MR:PENIDA A  detergent  is a  surfactant  or a mixture of surfactants with â€Å"cleaning properties in dilute solutions. â€Å"[1]  These substances are usually alkylbenzenesulfonates, a family of compounds that are similar to  soap  but are more soluble in  hard water, because the polar sulfonate (of detergents) is less likely than the polar carboxyl (of soap) to bind to calcium and other ions found in hard water.In most household contexts, the term  detergent  by itself refers specifically to  laundry detergent  or  dish detergent, as opposed to  hand soapor other types of cleaning agents. Detergents are commonly available as powders or concentrated solutions. Detergents, like soaps, work because they are  amph iphilic: partlyhydrophilic  (polar) and partly  hydrophobic  (non-polar). Their dual nature facilitates the mixture of hydrophobic compounds (like oil and grease) with water. Because air is not hydrophilic, detergents are also  foaming agents  to varying degrees.Pesticides  are substances or mixture of substances intended for preventing, destroying, repelling or mitigating any  pest. [1]  Pesticides are a special kind of products for crop protection. Crop protection products in general protect plants from damaging influences such as weeds, diseases or insects. A pesticide is generally a  chemical  or biological agent (such as a  virus,  bacterium,  antimicrobial  or  disinfectant) that through its effect deters, incapacitates, kills or otherwise discourages pests.Target pests can includeinsects, plant  pathogens, weeds,  molluscs,  birds,  mammals,  fish, nematodes (roundworms), and  microbes  that destroy property, cause nuisance, spread disease or are  vectors  for disease. Disinfectants  are substances that are applied to non-living objects to destroy  microorganismsthat are living on the objects. [1]  Disinfection does not necessarily kill all microorganisms, especially resistant  bacterial spores; it is less effective than  sterilisation, which is an extreme physical and/or chemical process that kills all types of life. 1]  Disinfectants are different from other  antimicrobial agents  such as  antibiotics, which destroy microorganisms within the body, and  antiseptics, which destroy microorganisms on living  tissue.Disinfectants are also different from  biocides  Ã¢â‚¬â€ the latter are intended to destroy all forms of life, not just microorganisms. Disinfectants work by destroying the cell wall of microbes or interfering with the metabolism. A  preservative  is a naturally occurring or synthetically produced substance that is added to products such as foods,pharmaceuticals, pai nts, biological samples, wood, etc. o prevent  decomposition  by  microbial  growth or by undesirable  chemicalchanges. Food additives  are substances added to food to preserve flavor or enhance its taste and appearance. Some additives have been used for centuries; for example, preserving food by  pickling  (with  vinegar),  salting, as with  bacon, preserving  sweets  or using  sulfur dioxide  as in some  wines. With the advent of processed foods in the second half of the 20th century, many more additives have been introduced, of both natural and artificial origin.Medicine  is the  applied science  or practice of the  diagnosis,  treatment, and prevention ofdisease. [1]  It encompasses a variety of  health care  practices evolved to maintain and restore  health  by the  prevention  and  treatment  of  illness  in  human beings. Contemporary medicine applies  health science,  biomedical research, and  medical te chnology  to  diagnose  and treat injury and disease, typically through  medication  orsurgery, but also through therapies as diverse as  psychotherapy,  external splints & traction,  prostheses,  biologics,  ionizing radiation  and others.Bleach  has been serialized in the Japanese manga anthology  Weekly Shonen JumpsincAugust 2001, and has been collected into 56  tankobon  volumes as of September 2012. Since its publication,  Bleach  has spawned a  media franchise  that includes ananimated  television series  that was produced by  Studio Pierrot  in Japan from 2004 to 2012, two  original video animations, four animated feature films, seven  rock musicals, and  numerous video games, as well as many types of  Bleach-related  merchandise.Petroleum jelly,  petrolatum,  white petrolatum  or  soft paraffin,  CAS number  8009-03-8, is a  semi-solid  mixture of  hydrocarbons  (with  carbon  numbers mainly higher than 25),[1]  originally promoted as a topical  ointment  for its healing properties. Its folkloric medicinal value as a â€Å"cure-all† has since been limited by better scientific understanding of appropriate and inappropriate uses (see  uses  below). However, it is recognized by the U. S. Food and Drug Administration  (FDA) as an approved  over-the-counter  (OTC)  skin  protectant, and remains widely used in  cosmetic  skin care.Aluminium foil  is  aluminium  prepared in thin  metal leaves, with a thickness less than 0. 2 millimetres (8  mils), thinner gauges down to 6  Ã‚ µm (0. 2  mils) are also commonly used. [1]  In the USA, foils are commonly gauged in  mils. Standard household foil is typically 0. 016 millimetres (0. 6  mils) thick and heavy duty household foil is typically 0. 024 millimetres (0. 9  mils). The  foil  is pliable, and can be readily bent or wrapped around objects. Thin foils are fragile and are so metimes  laminated  to other materials such asplastics  or  paper  to make them more useful.Aluminium foilsupplanted  tin foil  in the mid 20th century. Corn starch is used as a  thickening agent  in  soups  and liquid-based foods, such assauces,  gravies  and  custards  by mixing it with a cold liquid to form a paste or slurry. It is sometimes preferred over  flour  because it forms a  translucent  mixture, rather than anopaque  one. As the starch is heated, the molecular chains unravel, allowing them to collide with other starch chains to form a mesh, thickening the liquid (Starch gelatinization). Lupain Ng Taglamig Reaction Paper Ric Michael P. De Vera IV- Rizal Mr. Norie Sabayan I. A and B Arabic mathematics: forgotten brilliance? Indian  mathematics  reached Baghdad, a major early center of Islam, about ad 800. Supported by the ruling caliphs and wealthy individuals, translators in Baghdad produced Arabic versions of Greek and Indian mathematical works. The need for translations was stimulated by mathematical research in the Islamic world. Islamic mathematics also served religion in that it proved useful in dividing inheritances according to Islamic law; in predicting the time of the new moon, when the next month began; and in determining the direction to Mecca for the orientation of mosques and of daily prayers, which were delivered facing Mecca. Recent research paints a new picture of the debt that we owe to Arabic/Islamic mathematics. Certainly many of the ideas which were previously thought to have been brilliant new conceptions due to European mathematicians of the sixteenth, seventeenth and eighteenth centuries are now known to have been developed by Arabic/Islamic mathematicians around four centuries earlier. In many respects the mathematics studied today is far closer in style to that of the Arabic/Islamic contribution than to that of the Greeks. There is a widely held view that, after a brilliant period for mathematics when the Greeks laid the foundations for modern mathematics, there was a period of stagnation before the Europeans took over where the Greeks left off at the beginning of the sixteenth century. The common perception of the period of 1000 years or so between the ancient Greeks and the European Renaissance is that little happened in the world of mathematics except that some Arabic translations of Greek texts were made which preserved the Greek learning so that it was available to the Europeans at the beginning of the sixteenth century. That such views should be generally held is of no surprise. Many leading historians of mathematics have contributed to the perception by either omitting any mention of Arabic/Islamic mathematics in the historical development of the subject or with statements such as that made by Duhem in :- †¦ Arabic science only reproduced the teachings received from Greek science. Before we proceed it is worth trying to define the period that this article covers and give an overall description to cover the mathematicians who contributed. The period we cover is easy to describe: it stretches from the end of the eighth century to about the middle of the fifteenth century. Giving a description to cover the mathematicians who contributed, however, is much harder. The works and are on â€Å"Islamic mathematics†, similar to which uses the title the â€Å"Muslim contribution to mathematics†. Other authors try the description â€Å"Arabic mathematics†. However, certainly not all the mathematicians we wish to include were Muslims; some were Jews, some Christians, some of other faiths. Nor were all these mathematicians Arabs, but for convenience we will call our topic â€Å"Arab mathematics†. We should emphasize that the translations into Arabic at this time were made by scientists and mathematicians such as those named above, not by language experts ignorant of mathematics, and the need for the translations was stimulated by the most advanced research of the time. It is important to realize that the translating was not done for its own sake, but was done as part of the current research effort. Of Euclid's works, the Elements, the Data, the Optics, the Phaenomena, and On Divisions were translated. Of Archimedes' works only two – Sphere and Cylinder and Measurement of the Circle – are known to have been translated, but these were sufficient to stimulate independent researches from the 9th to the 15th century. On the other hand, virtually all of Apollonius's works were translated, and of Diophantus and Menelaus one book each, the Arithmetica and the Sphaerica, respectively, were translated into Arabic. Finally, the translation of Ptolemy's Almagest furnished important astronomical material. †¦ Diocles' treatise on mirrors, Theodosius's Spherics, Pappus's work on mechanics, Ptolemy's Planisphaerium, and Hypsicles' treatises on regular polyhedra (the so-called Books XIV and XV of Euclid's Elements) †¦ Perhaps one of the most significant advances made by Arabic mathematics began at this time with the work of al-Khwarizmi, namely the beginnings of algebra. It is important to understand just how significant this new idea was. It was a revolutionary ove away from the Greek concept of mathematics which was essentially geometry. Algebra was a unifying theory which allowed rational numbers, irrational numbers, geometrical magnitudes, etc. , to all is treated as â€Å"algebraic objects†. It gave mathematics a whole new development path so much broader in concept to that which had existed before, and provided a vehicle for future development of the subject. Another important aspect of the introduction of algebraic ideas was that it allowed mathematics to be applied to itself in a way which had not happened before. Al-Khwarizmi's successors undertook a systematic application of arithmetic to algebra, algebra to arithmetic, both to trigonometry, algebra to the Euclidean theory of numbers, algebra to geometry, and geometry to algebra. This was how the creation of polynomial algebra, combinatorial analysis, and numerical analysis, the numerical solution of equations, the new elementary theory of numbers, and the geometric construction of equations arose. Let us follow the development of algebra for a moment and look at al-Khwarizmi's successors. About forty years after al-Khwarizmi is the work of al-Mahani (born 820), who conceived the idea of reducing geometrical problems such as duplicating the cube to problems in algebra. Abu Kamil (born 850) forms an important link in the development of algebra between al-Khwarizmi and al-Karaji. Despite not using symbols, but writing powers of x in words, he had begun to understand what we would write in symbols as xn. xm = xm+n. Let us remark that symbols did not appear in Arabic mathematics until much later. Ibn al-Banna and al-Qalasadi used symbols in the 15th century and, although we do not know exactly when their use began, we know that symbols were used at least a century before this. Al-Karaji (born 953) is seen by many as the first person to completely free algebra from geometrical operations and to replace them with the arithmetical type of operations which are at the core of algebra today. He was first to define the monomials x, x2, x3, †¦ and 1/x, 1/x2, 1/x3, †¦ and to give rules for products of any two of these. He started a school of algebra which flourished for several hundreds of years. Al-Samawal, nearly 200 years later, was an important member of al-Karaji's school. Al-Samawal (born 1130) was the first to give the new topic of algebra a precise description when he wrote that it was concerned:- †¦ with operating on unknowns using all the arithmetical tools, in the same way as the arithmetician operates on the known. Omar Khayyam (born 1048) gave a complete classification of cubic equations with geometric solutions found by means of intersecting conic sections. Khayyam also wrote that he hoped to give a full description of the algebraic solution of cubic equations in a later work . If the opportunity arises and I can succeed, I shall give all these fourteen forms with all their branches and cases, and how to distinguish whatever is possible or impossible so that a paper, containing elements which are greatly useful in this art will be prepared. Sharaf al-Din al-Tusi (born 1135), although almost exactly the same age as al-Samawal, does not follow the general development that came through al-Karaji's school of algebra but rather follows Khayyam's application of algebra to geometry. He wrote a treatise on cubic equations. .. represents an essential contribution to another algebra which aimed to study curves by means of equations, thus inaugurating the beginning of algebraic geometry. Let us give other examples of the development of Arabic mathematics. Returning to the House of Wisdom in Baghdad in the 9th century, one mathematician who was educated there by the Banu Musa brothers was Thabit ibn Qurra (born 836). He made many contributions to mathematics, but let u s consider for the moment consider his contributions to number theory. He discovered a beautiful theorem which allowed pairs of amicable numbers to be found, that is two numbers such that each is the sum of the proper divisors of the other. Al-Baghdadi (born 980) looked at a slight variant of Thabit ibn Qurra's theorem, while al-Haytham (born 965) seems to have been the first to attempt to classify all even perfect numbers (numbers equal to the sum of their proper divisors) as those of the form 2k-1(2k – 1) where 2k – 1 is prime. Al-Haytham, is also the first person that we know to state Wilson's theorem, namely that if p is prime then 1+ (p-1)! is divisible by p. It is unclear whether he knew how to prove this result. It is called Wilson's theorem because of a comment made by Waring in 1770 that John Wilson had noticed the result. There is no evidence that John Wilson knew how to prove it and most certainly Waring did not. Lagrange gave the first proof in 1771 and it should be noticed that it is more than 750 years after al-Haytham before number theory surpasses this achievement of Arabic mathematics. Continuing the story of amicable numbers, from which we have taken a diversion, it is worth noting that they play a large role in Arabic mathematics. Al-Farisi (born 1260) gave a new proof of Thabit ibn Qurra's theorem, introducing important new ideas concerning factorisation and combinatorial methods. He also gave the pair of amicable numbers 17296, 18416 which have been attributed to Euler, but we know that these were known earlier than al-Farisi, perhaps even by Thabit ibn Qurra himself. Although outside our time range for Arabic mathematics in this article, it is worth noting that in the 17th century the Arabic mathematician Mohammed Baqir Yazdi gave the pair of amicable number 9,363,584 and 9,437,056 still many years before Euler's contribution. C. Arabian Mathematics/ Islamic Mathematics In  the  9th  century  Arab mathematician al-Khwarizmi wrote a systematic introduction to algebra, Kitab al-jabr w’al Muqabalah (Book of Restoring and Balancing). The English word algebra comes from al-jabr in the treatise’s title. Al-Khwarizmi’s algebra was founded on Brahmagupta’s work, which he duly credited, and showed the influence of Babylonian and Greek mathematics as well. A 12th-century Latin translation of al-Khwarizmi’s treatise was crucial for the later development of algebra in Europe. Al-Khwarizmi’s name is the source of the word algorithm. By  the  year  900  the  acquisition of past mathematics was complete, and Muslim scholars began to build on what they had acquired. Alhazen, an outstanding Arab scientist of the late 900s and early 1000s, produced algebraic solutions of quadratic and cubic equations. Al-Karaji in the 10th and early 11th century completed the algebra of polynomials (mathematical expressions that are the sum of a number of terms) of al-Khwarizmi. He included polynomials with an infinite number of terms. Later  scholars,  including 12th-century Persian mathematician Omar Khayyam, solved certain cubic equations geometrically by using conic sections. Arab astronomers contributed the tangent and cotangent to trigonometry. Geometers such as Ibrahim ibn Sinan in the 10th century continued Archimedes’s investigations of areas and volumes, and Kamal al-Din and others applied the theory of conic sections to solve problems in optics. Astronomer Nasir al-Din al-Tusi created the mathematical disciplines of plane and spherical trigonometry in the 13th century and was the first to treat trigonometry separately from astronomy. Finally, a number of Muslim mathematicians made important discoveries in the theory of numbers, while others explained a ariety of numerical methods for solving equations. Many  of  the  ancient  Greek works on mathematics were preserved during the middle Ages through Arabic translations and commentaries. Europe acquired much of this learning during the 12th century, when Greek and Arabic works were translated into Latin, then the written language of educated Europeans. These Arabic works, together with the Greek classics, were responsible for the growth of mathematics in the West during the late middle Ages. Microsoft  ® Encarta  ® 2009.  © 1993-2008 Microsoft Corporation. All rights reserved. D. Origin of the Word Algebra The word algebra is a Latin variant of the Arabic word al-jabr. This came from the title of a book, Hidab al-jabr wal-muqubala, written in Baghdad about 825 A. D. by the Arab mathematician Mohammed ibn-Musa al-Khowarizmi. The words jabr (JAH-ber) and muqubalah (moo-KAH-ba-lah) were used by al-Khowarizmi to designate two basic operations in solving equations. Jabr was to transpose subtracted terms to the other side of the equation. Muqubalah was to cancel like terms on opposite sides of the equation. In fact, the title has been translated to mean â€Å"science of restoration (or reunion) and opposition† or â€Å"science of transposition and cancellation† and â€Å"The Book of Completion and Cancellation† or â€Å"The Book of Restoration and Balancing. † Jabr is used in the step where x – 2 = 12 becomes x = 14. The left-side of the first equation, where x is lessened by 2, is â€Å"restored† or â€Å"completed† back to x in the second equation. Muqabalah takes us from x + y = y + 7 to x = 7 by â€Å"cancelling† or â€Å"balancing† the two sides of the equation. Eventually the muqabalah was left behind, and this type of math became known as algebra in many languages. It is interesting to note that the word al-jabr used non-mathematically made its way into Europe through the Moors of Spain. There an algebrista is a bonesetter, or â€Å"restorer† of bones. A barber of medieval times called himself an algebrista since barbers often did bone-setting and bloodletting on the side. Hence the red and white striped barber poles of today. II. Insights The Arabian contributions to Mathematics are much used around the world. Their Mathematics shows a perfect way to represent numbers and problems, in a way to make it clearer and easier to understand. They have discovered many things about mathematics and formulated many formulas that are widely used today. I learned from this research that Arabs mathematics started when Indian mathematics reached Baghdad and translated it into Arabic. They improved and studied Mathematics and formulated many things. They become more famous when they discovered Algebra and improved it. Many Arabian mathematicians became famous because of their contributions on Mathematics. Many ancient Greeks works on mathematics were preserved through Arabic translations and commentaries. I am enlightened about the origin of what are we studying now in Mathematics. Now I know that majority of our lessons in mathematics came from Arabians not from Greeks. I also learned that many mathematicians contributed on different branches and techniques on mathematics and it take so much time for them to explore and improve mathematics. Lupain Ng Taglamig Reaction Paper Ric Michael P. De Vera IV- Rizal Mr. Norie Sabayan I. A and B Arabic mathematics: forgotten brilliance? Indian  mathematics  reached Baghdad, a major early center of Islam, about ad 800. Supported by the ruling caliphs and wealthy individuals, translators in Baghdad produced Arabic versions of Greek and Indian mathematical works. The need for translations was stimulated by mathematical research in the Islamic world. Islamic mathematics also served religion in that it proved useful in dividing inheritances according to Islamic law; in predicting the time of the new moon, when the next month began; and in determining the direction to Mecca for the orientation of mosques and of daily prayers, which were delivered facing Mecca. Recent research paints a new picture of the debt that we owe to Arabic/Islamic mathematics. Certainly many of the ideas which were previously thought to have been brilliant new conceptions due to European mathematicians of the sixteenth, seventeenth and eighteenth centuries are now known to have been developed by Arabic/Islamic mathematicians around four centuries earlier. In many respects the mathematics studied today is far closer in style to that of the Arabic/Islamic contribution than to that of the Greeks. There is a widely held view that, after a brilliant period for mathematics when the Greeks laid the foundations for modern mathematics, there was a period of stagnation before the Europeans took over where the Greeks left off at the beginning of the sixteenth century. The common perception of the period of 1000 years or so between the ancient Greeks and the European Renaissance is that little happened in the world of mathematics except that some Arabic translations of Greek texts were made which preserved the Greek learning so that it was available to the Europeans at the beginning of the sixteenth century. That such views should be generally held is of no surprise. Many leading historians of mathematics have contributed to the perception by either omitting any mention of Arabic/Islamic mathematics in the historical development of the subject or with statements such as that made by Duhem in :- †¦ Arabic science only reproduced the teachings received from Greek science. Before we proceed it is worth trying to define the period that this article covers and give an overall description to cover the mathematicians who contributed. The period we cover is easy to describe: it stretches from the end of the eighth century to about the middle of the fifteenth century. Giving a description to cover the mathematicians who contributed, however, is much harder. The works and are on â€Å"Islamic mathematics†, similar to which uses the title the â€Å"Muslim contribution to mathematics†. Other authors try the description â€Å"Arabic mathematics†. However, certainly not all the mathematicians we wish to include were Muslims; some were Jews, some Christians, some of other faiths. Nor were all these mathematicians Arabs, but for convenience we will call our topic â€Å"Arab mathematics†. We should emphasize that the translations into Arabic at this time were made by scientists and mathematicians such as those named above, not by language experts ignorant of mathematics, and the need for the translations was stimulated by the most advanced research of the time. It is important to realize that the translating was not done for its own sake, but was done as part of the current research effort. Of Euclid's works, the Elements, the Data, the Optics, the Phaenomena, and On Divisions were translated. Of Archimedes' works only two – Sphere and Cylinder and Measurement of the Circle – are known to have been translated, but these were sufficient to stimulate independent researches from the 9th to the 15th century. On the other hand, virtually all of Apollonius's works were translated, and of Diophantus and Menelaus one book each, the Arithmetica and the Sphaerica, respectively, were translated into Arabic. Finally, the translation of Ptolemy's Almagest furnished important astronomical material. †¦ Diocles' treatise on mirrors, Theodosius's Spherics, Pappus's work on mechanics, Ptolemy's Planisphaerium, and Hypsicles' treatises on regular polyhedra (the so-called Books XIV and XV of Euclid's Elements) †¦ Perhaps one of the most significant advances made by Arabic mathematics began at this time with the work of al-Khwarizmi, namely the beginnings of algebra. It is important to understand just how significant this new idea was. It was a revolutionary ove away from the Greek concept of mathematics which was essentially geometry. Algebra was a unifying theory which allowed rational numbers, irrational numbers, geometrical magnitudes, etc. , to all is treated as â€Å"algebraic objects†. It gave mathematics a whole new development path so much broader in concept to that which had existed before, and provided a vehicle for future development of the subject. Another important aspect of the introduction of algebraic ideas was that it allowed mathematics to be applied to itself in a way which had not happened before. Al-Khwarizmi's successors undertook a systematic application of arithmetic to algebra, algebra to arithmetic, both to trigonometry, algebra to the Euclidean theory of numbers, algebra to geometry, and geometry to algebra. This was how the creation of polynomial algebra, combinatorial analysis, and numerical analysis, the numerical solution of equations, the new elementary theory of numbers, and the geometric construction of equations arose. Let us follow the development of algebra for a moment and look at al-Khwarizmi's successors. About forty years after al-Khwarizmi is the work of al-Mahani (born 820), who conceived the idea of reducing geometrical problems such as duplicating the cube to problems in algebra. Abu Kamil (born 850) forms an important link in the development of algebra between al-Khwarizmi and al-Karaji. Despite not using symbols, but writing powers of x in words, he had begun to understand what we would write in symbols as xn. xm = xm+n. Let us remark that symbols did not appear in Arabic mathematics until much later. Ibn al-Banna and al-Qalasadi used symbols in the 15th century and, although we do not know exactly when their use began, we know that symbols were used at least a century before this. Al-Karaji (born 953) is seen by many as the first person to completely free algebra from geometrical operations and to replace them with the arithmetical type of operations which are at the core of algebra today. He was first to define the monomials x, x2, x3, †¦ and 1/x, 1/x2, 1/x3, †¦ and to give rules for products of any two of these. He started a school of algebra which flourished for several hundreds of years. Al-Samawal, nearly 200 years later, was an important member of al-Karaji's school. Al-Samawal (born 1130) was the first to give the new topic of algebra a precise description when he wrote that it was concerned:- †¦ with operating on unknowns using all the arithmetical tools, in the same way as the arithmetician operates on the known. Omar Khayyam (born 1048) gave a complete classification of cubic equations with geometric solutions found by means of intersecting conic sections. Khayyam also wrote that he hoped to give a full description of the algebraic solution of cubic equations in a later work . If the opportunity arises and I can succeed, I shall give all these fourteen forms with all their branches and cases, and how to distinguish whatever is possible or impossible so that a paper, containing elements which are greatly useful in this art will be prepared. Sharaf al-Din al-Tusi (born 1135), although almost exactly the same age as al-Samawal, does not follow the general development that came through al-Karaji's school of algebra but rather follows Khayyam's application of algebra to geometry. He wrote a treatise on cubic equations. .. represents an essential contribution to another algebra which aimed to study curves by means of equations, thus inaugurating the beginning of algebraic geometry. Let us give other examples of the development of Arabic mathematics. Returning to the House of Wisdom in Baghdad in the 9th century, one mathematician who was educated there by the Banu Musa brothers was Thabit ibn Qurra (born 836). He made many contributions to mathematics, but let u s consider for the moment consider his contributions to number theory. He discovered a beautiful theorem which allowed pairs of amicable numbers to be found, that is two numbers such that each is the sum of the proper divisors of the other. Al-Baghdadi (born 980) looked at a slight variant of Thabit ibn Qurra's theorem, while al-Haytham (born 965) seems to have been the first to attempt to classify all even perfect numbers (numbers equal to the sum of their proper divisors) as those of the form 2k-1(2k – 1) where 2k – 1 is prime. Al-Haytham, is also the first person that we know to state Wilson's theorem, namely that if p is prime then 1+ (p-1)! is divisible by p. It is unclear whether he knew how to prove this result. It is called Wilson's theorem because of a comment made by Waring in 1770 that John Wilson had noticed the result. There is no evidence that John Wilson knew how to prove it and most certainly Waring did not. Lagrange gave the first proof in 1771 and it should be noticed that it is more than 750 years after al-Haytham before number theory surpasses this achievement of Arabic mathematics. Continuing the story of amicable numbers, from which we have taken a diversion, it is worth noting that they play a large role in Arabic mathematics. Al-Farisi (born 1260) gave a new proof of Thabit ibn Qurra's theorem, introducing important new ideas concerning factorisation and combinatorial methods. He also gave the pair of amicable numbers 17296, 18416 which have been attributed to Euler, but we know that these were known earlier than al-Farisi, perhaps even by Thabit ibn Qurra himself. Although outside our time range for Arabic mathematics in this article, it is worth noting that in the 17th century the Arabic mathematician Mohammed Baqir Yazdi gave the pair of amicable number 9,363,584 and 9,437,056 still many years before Euler's contribution. C. Arabian Mathematics/ Islamic Mathematics In  the  9th  century  Arab mathematician al-Khwarizmi wrote a systematic introduction to algebra, Kitab al-jabr w’al Muqabalah (Book of Restoring and Balancing). The English word algebra comes from al-jabr in the treatise’s title. Al-Khwarizmi’s algebra was founded on Brahmagupta’s work, which he duly credited, and showed the influence of Babylonian and Greek mathematics as well. A 12th-century Latin translation of al-Khwarizmi’s treatise was crucial for the later development of algebra in Europe. Al-Khwarizmi’s name is the source of the word algorithm. By  the  year  900  the  acquisition of past mathematics was complete, and Muslim scholars began to build on what they had acquired. Alhazen, an outstanding Arab scientist of the late 900s and early 1000s, produced algebraic solutions of quadratic and cubic equations. Al-Karaji in the 10th and early 11th century completed the algebra of polynomials (mathematical expressions that are the sum of a number of terms) of al-Khwarizmi. He included polynomials with an infinite number of terms. Later  scholars,  including 12th-century Persian mathematician Omar Khayyam, solved certain cubic equations geometrically by using conic sections. Arab astronomers contributed the tangent and cotangent to trigonometry. Geometers such as Ibrahim ibn Sinan in the 10th century continued Archimedes’s investigations of areas and volumes, and Kamal al-Din and others applied the theory of conic sections to solve problems in optics. Astronomer Nasir al-Din al-Tusi created the mathematical disciplines of plane and spherical trigonometry in the 13th century and was the first to treat trigonometry separately from astronomy. Finally, a number of Muslim mathematicians made important discoveries in the theory of numbers, while others explained a ariety of numerical methods for solving equations. Many  of  the  ancient  Greek works on mathematics were preserved during the middle Ages through Arabic translations and commentaries. Europe acquired much of this learning during the 12th century, when Greek and Arabic works were translated into Latin, then the written language of educated Europeans. These Arabic works, together with the Greek classics, were responsible for the growth of mathematics in the West during the late middle Ages. Microsoft  ® Encarta  ® 2009.  © 1993-2008 Microsoft Corporation. All rights reserved. D. Origin of the Word Algebra The word algebra is a Latin variant of the Arabic word al-jabr. This came from the title of a book, Hidab al-jabr wal-muqubala, written in Baghdad about 825 A. D. by the Arab mathematician Mohammed ibn-Musa al-Khowarizmi. The words jabr (JAH-ber) and muqubalah (moo-KAH-ba-lah) were used by al-Khowarizmi to designate two basic operations in solving equations. Jabr was to transpose subtracted terms to the other side of the equation. Muqubalah was to cancel like terms on opposite sides of the equation. In fact, the title has been translated to mean â€Å"science of restoration (or reunion) and opposition† or â€Å"science of transposition and cancellation† and â€Å"The Book of Completion and Cancellation† or â€Å"The Book of Restoration and Balancing. † Jabr is used in the step where x – 2 = 12 becomes x = 14. The left-side of the first equation, where x is lessened by 2, is â€Å"restored† or â€Å"completed† back to x in the second equation. Muqabalah takes us from x + y = y + 7 to x = 7 by â€Å"cancelling† or â€Å"balancing† the two sides of the equation. Eventually the muqabalah was left behind, and this type of math became known as algebra in many languages. It is interesting to note that the word al-jabr used non-mathematically made its way into Europe through the Moors of Spain. There an algebrista is a bonesetter, or â€Å"restorer† of bones. A barber of medieval times called himself an algebrista since barbers often did bone-setting and bloodletting on the side. Hence the red and white striped barber poles of today. II. Insights The Arabian contributions to Mathematics are much used around the world. Their Mathematics shows a perfect way to represent numbers and problems, in a way to make it clearer and easier to understand. They have discovered many things about mathematics and formulated many formulas that are widely used today. I learned from this research that Arabs mathematics started when Indian mathematics reached Baghdad and translated it into Arabic. They improved and studied Mathematics and formulated many things. They become more famous when they discovered Algebra and improved it. Many Arabian mathematicians became famous because of their contributions on Mathematics. Many ancient Greeks works on mathematics were preserved through Arabic translations and commentaries. I am enlightened about the origin of what are we studying now in Mathematics. Now I know that majority of our lessons in mathematics came from Arabians not from Greeks. I also learned that many mathematicians contributed on different branches and techniques on mathematics and it take so much time for them to explore and improve mathematics.

Oscar Triplett Case Analysis

Triplett had been in insane asylums before and was released but still considered mentally unstable, which reflects poorly upon the Canadian justice system at that time. At the inquest, various people admitted that they knew he was a danger in the days before he died yet only one person attempted anything and that strikes me as odd. The third discrepancy is why Mrs.. Temple was not punished in any way after having killed Triplett. She admitted that her shot took his life, the coroner's report corroborated with this admission of guilt and yet, she was not punished.Again, there re various reasons that could explain this and I will briefly look at each one. The fourth discrepancy Is how the police force and the detectives appear so uninterested In this case. A proper Investigation did not start until December 17th, 4 days after the death of Triplett. Even after the investigation had begun, there was no urgency to come to the bottom of what really happened. On December 13th 1918 Mrs.. Loi s May Temple shot, and killed, James Oscar Triplett in defense of her honor, her life and her daughter's life.That afternoon Jacob Statesman went to the Temples' house to make sure that Triplett had not harmed Mrs.. Temple or her daughter in any way. Shortly after Statesman had arrived they became aware that Triplett was at the house. Triplett kept threatening Mrs.. Temple and her young daughter, using obscene language, so both Statesman and Temple pointed guns at Triplett until he exited the house. Triplett began killing chickens in the hen house, throwing them around, until he finally went down to the river. When Triplett returned he climbed on top of the roof and sat there, yelling threats and random nonsense. On her way to the barn Mrs..Temple shot at Triplett, and both Statesman and Temple thought she had killed him then but they were incorrect. While Temple was at the barn Statesman tried to coax Triplett off the roof, firing four shots in his direction in the process. He even tually succeeded and then began chasing Triplett around the house while Mrs.. Temple was inside. Triplett tried entering the house through the back door but during his attempt both Statesman and Temple shot at him, Temple firing through the door and Statesman firing directly at him. They both agreed that it was Mrs.. Temple's shot that had killed him, and not Statesman's shot.For the most part, the statements of Jacob Statesman and Lois May Temple regarding the death of Oscar Triplett were identical. However, there were slight differences that were peculiar. The first noticeable difference was when they were describing when Mrs.. Temple first saw Triplett on the porch. She claimed that she had seen him before she reached the top of the hill and that he had opened the cellar door before Statesman reached the top of the hill. However, Statesman claimed that she had reached the top of the hill Detour seen screamed Tanat Earliest was on near porch, Ana Tanat en Ana wellness's t opening of the cellar door.The simplest explanation for this difference is that Statesman is smaller than Mrs.. Temple in height and that gives him a different view of the world than she has. Another explanation could be that during traumatic events, small details sometimes become trivial and are forgotten by the person in question. The second peculiarity is the issue of the guns. In both his statements Statesman recalled Mrs.. Temple asking him for help with loading the magazines; in the statement he gave at the inquest he claimed that had to show her how the guns worked and how to fill the magazine.The claim he made during his inquest statement is curious because Temple had already fired a shot before asking him for elf. Another reason it is curious is that Temple never mentioned needing help with how to work the guns in either of her statements. One explanation for this is that Statesman felt emasculated by the whole affair because he was unable to properly protect Mrs.. Temple and her c hild. Therefore, in his statements he tried to make himself appear more manly and helpful than he really was during the ordeal. The third difference in their statements is how many shots Statesman really fired.In his initial statement, he claimed that he had shot six in total – four whilst he was on the of, one discharge whilst chasing Triplett, and one when Triplett was trying to enter the house. However, during the inquest he only mentioned the last two shots; he said that he had never made it onto the roof, but in his initial statement he claimed he had made it onto the roof and that he had fired four shots at Triplett. Again, this could have been Statesman's way of fighting the emasculation he felt he had suffered. It is odd that he felt the need to make this claim in his first statement, when Mrs..Temple never mentioned it in either of her statements. Every person in the community agreed that Oscar Triplett was not a sane man. He had been an inmate in the Insane Asylum a t Pomona, but had been released for unknown reasons. It is unusual that every member of the community thought he was insane, and yet only one person admitted to having made any type of inquiry into the reasons behind his release. Dry James Miller bore witness that Triplett was â€Å"a man of unbalanced mind. † He felt that Triplett should never have been released from the asylum because he was a danger to himself and to the community.At the inquest, Dry Miller said that immediately after hearing that Triplett had been released from the asylum, he annotated the Provincial Police to discuss Triplet's liberty. According to Dry Miller, they told him that nothing could be done unless Triplett performed some act that would make another arrest possible. Despite Dry. Miller's personal inquiry into Triplet's liberty, the authorities did nothing until after his death and after the inquest. Attached to the verdict was a rider that stated that a full inquiry should be made into Triplet's release from Pomona, and his apparent rehabilitation when he was so obviously insane.James Chalmers had spent 36 hours with Triplett in the days leading up to his death. During this time, he noticed that Triplett was acting in an odd manner; he was restless and talkative, quite unlike himself. Chalmers admitted that after his last interaction with Triplett he was convinced that Triplett was insane, again, but he neglected to inform anyone on the basis that Triplet had done nothing to Justify an arrest. Levi Spangle encountered Oscar Triplett at his (Spangle) residence on the day before Triplet's death.He claimed that Triplett had walked Insane Ana Immolate Degas teenager toners Ana acting strange . HIS octagons caused Spangle to assume that Triplett was not of sane mind; Spangle left for own immediately after Triplett had departed and reported to the police, but they were unable to locate Triplett. Mrs.. Spangle concurred with her husband's opinion of Triplet's sanity. She alleged that Triplet's actions made her fearful for her life and the life of her daughter. Of all the people who gave testimony at the inquest, Mr.. Spangle was the only one who had notified the police of Triplet's insanity.It is peculiar that only one person had enough sense to notify the authorities that Triplett could possibly be a danger to others or himself. This is especially peculiar because everyone seemed to agree that he was insane and that he would end up in the asylum again. Triplet's liberty shows obvious error in the Canadian Justice system at this time, because he should not have been released from the asylum at Pomona. It also shows the misplaced faith that people had in the Justice system, since everyone assumed that the law would eventually step in and apprehend Triplett again, recommitting him to the insane asylum.When Mrs.. Temple was tried for Oscar Triplet's death, the Jury only took fifteen minutes to reach a verdict. Temple had admitted to killing Triplett and all th e physical evidence seemed to corroborate her Tory, yet the Jury verdict was that of â€Å"Justifiable homicide. † The Jury felt that Mrs.. Temple should have been commended for her actions because Triplett was assaulting her in her own home. It is possible that the Jury looked at this case and saw a poor, defenseless woman trying to protect herself and her daughter from a known lunatic.The Jury could have taken pity on her, because she basically had to decide between life and death. Her gender had to have swayed the Jury verdict because it is doubtful that they would have come to the same conclusion if a man had fired the fatal shot. This is so because not only Mrs.. Temple's life was at stake, but also the honor and the life of her infant daughter. This is very likely because the society at that time was an inherently chauvinistic society; women and men were not seen as equals, and women were considered to have less rights than men.Another possible reason for the lack of pu nishment is that most people felt that Mrs.. Temple did them a favor by ridding the world of a lunatic like Triplett. Therefore, why should she be punished for making the community a safer, more ordinary area to live in? The police who investigated the death of Oscar Triplett appeared to have little or no interest in the case, and arriving at the truth. A proper investigation into Triplet's death was not launched until 16 December 1918, three days after his death. Neither the coroner nor the investigating detective from Install arrived until early morning on 17 December 1918.There was no apparent urgency by anyone to come to the bottom of what happened: indeed the detective often took breaks to satiate his hunger and he took his time in pursuing the truth. Constable Marks received a wire on 13 December that notified him of Triplet's lunacy, but he did not leave for Horrors until the following day. He claimed this was because he required assistance in handling Oscar Triplett, yet he arrived in Horrors alone. Constable Marks alleged that even if he had left for Horrors immediately after receiving the wire, he would not have reached the Temples' residence before Triplet's death.It is possible that he felt compelled to mention this because he felt slightly guilty that the case transpired this way; however it shows the town people's disinterest in everything concerning I reelect – no one put too much effort In along Walt ml. A possible reason Deanna the authorities' disinterest in this case was because they saw little point in investigating the death of a lunatic. It would be interesting to know whether they would have acted in the same manner if Triplett had been a sane man, even though it is unlikely that they would have been so lax about investigating the case.This lack of interest shows the Canadian Justice system's predisposition to Judging the importance of various cases based on the character of the victim. Mrs.. Lois May Temple admitted to having kil led Oscar James Triplett, and the evidence and eyewitness testimony of Jacob Statesman did not disagree with her. However, the case document of Oscar Triplet's death had various peculiarities that made the hole affair seem quite unusual. The document shows human error – that of eyewitness testimony; this is a result of the human brain working in mysterious ways.In the event of a trauma some details will remain engraved in one's memory, no matter how insignificant they are; other details will be blocked by one's memory as being too traumatic. This was most likely the case concerning Mrs.. Temple and Jacob Statesman. The case document also shows how life worked in remote communities of Canada in the early 20th century. In those years, people were less apprehensive of the criminally insane than people today. If a known lunatic, such as Oscar Triplett, were allowed to roam free in a 21st century society there would be a colossal outcry by the members of society.They would be more outspoken about their fears and trepidation as a result of his liberty than people in 1918 would be. The case document also gives some insight into how the Canadian Justice system worked, especially in remote areas of the country. The Justice system was more lax in those times than they are today, as were the police. They were also more inclined to be biased about issues such as gender when looking at various cases unlike the system n place today, which is generally not allowed to be biased on such things. This is a result of early 20th century societies being more sexist than societies in the 21st century.

Learning Disability And Its Impact On The Classroom

Through my experience thus far I have been able to grasp an overall understanding of the schools demographic as well as my students. The school is a Title1 and is a very low socioeconomic status. The neighborhood surrounding the school is very worn down and the students coming from those parts of the neighborhood have more hardship than any child should ever have. In my second grade classroom, we have a majority of ELL’s coming from Spanish-speaking homes. As I have been observing my Cooperating teachers students’ that she looped with from first grade to second grade, she has been providing me with insight on some non-academic disabilities that one of our students suffers with. Although it is not technically considered a learning disability it prevents them from accomplishing tasks at the same rate as our other students’. A little girl suffers from Muscular Dystrophy, which is very hard on her physically to keep up with the class while they complete writing or a ctivities that require cutting and pasting. She is currently on a 504 plan for her M.S. but ,has been able to achieve core level on her DIBELS testing for fluency, worse per minute and accuracy and comprehension. There has been growth in her academics but, falls behind on most assignments. There are many different learning levels in our classroom, which I will intend on making accommodations and modifications to achieve a Universal Design for Learning. Our entire school demographic suffers from a lackShow MoreRelatedStudents With Learning Disabilities Academic Needs Essay1069 Words   |  5 Pagesintegrated classroom is students with learning disabilities academic needs are not being meet. For teachers to successfully enforce integrated classroom they need all the same resources a special education classroom receives for the students. 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