Friday, October 25, 2019

Jacob Lawrence :: essays research papers

Jacob Lawrence has painted figurative and narrative pictures of the black community and black history for more than 60 years in a consistent modernist style, using expressive, strong design and flat areas of color. Jacob Lawrence was a great artist. During Harlem Renaissance, he helped establish African American artists. He gave lectures at Washington University, and he enjoyed working with students of all ages. Jacob Lawrence was born in Atlantic City on September 7, 1917. His parents Jacob Armstead Lawrence and Rose Lee were part of the Great Migration of Black Americans (1916-1930). One million people left the rural South for the urban North during this period. He moved with his family for Easton, Pennsylvania. After his parents separated, he moved with his mother to Philadelphia. In 1927, his mother moved to New York and placed Lawrence and his siblings in foster homes. In 1930, Lawrence, age 13, and his brother and sister moved to Harlem to live with his mother. During Lawrence’s childhood, his family was forced to relocate many times as his parents looked for work. Steady jobs were hard to find, especially for African Americans. Racial prejudice prevented them from pursuing certain jobs or professions. Harlem was a crowded, teeming place, and the public school Lawrence attended was considered among the roughest in the area. But Harlem in the 1930s was also the center of what became known as the Harlem Renaissance. To keep her son out of trouble Rose Lawrence enrolled him in an after-school arts and crafts program at a local community center. It was taught by a young African American artist named Charles Alston. Alston liked the serious, quiet Lawrence and made sure he had lots of materials for his efforts. He found that drawing geometric designs in bright colors satisfied him greatly. He soon moved on to elaborate patterns and developed his own method of painting in which particular shapes were rendered in corresponding colors, one at a time. Lawrence continued in this mode through much of his career. The notable consistency of color is apparent in the artist’s later series of story panels. Lawrence got many of his ideas from the books and magazines he found at the center where the classes were held. Lawrence had Alston show him how to mix paper-mache, and he went on to create many colorful, life-size masks. He also used cardboard boxes to fashion three-sided scenes, depicting locales in Harlem- stores, barbershops, houses and newsstands.

Thursday, October 24, 2019

Use of Adobe in Cyprus

What is Adobe? Production, Application & A ; Features Adobe is a composite edifice stuff made with dirt and straws. Needed sum of H2O is added to dirty and straws which is traditionally crushed and squezed by pes, to blend the stuffs making clay. In some parts, droppings is used alternatively of straws. Straws are used to adhere the bricks together. It besides allow the bricks to dry every bit. Some experiments show that utilizing straws in adobe bricks make them more immune for clefts. Dung is chiefly used to avoid insects. The mixture is so casted into wooden frames ( normally 30cm ten 45cmx 6cm ) .It is compressed within the wooden frames to forestall the spreads, doing it heavy and strong. Excess clay is glanced off the frames to do a level surface for the bricks. Wooden frames are removed and adobe bricks are left to dry in a level surface, under the Sun for a few yearss. It is a low-priced and easy to do stuff which was widely used all around the universe extensively in Egypt, Sudan, Middle East and Asia Minor. As it is an earth stuff, it is suited for semi-arid climes where summers are hot and dry and winters cold and wet. It has a high thermal mass which is defined as the ability of the stuff to absorb heat. It helps to stabilise the inside temperature of the edifices. Main natural stuffs of adobe can easy be found locally. Soil types and colorss depends on the vicinity and that is the chief ground to see different coloured adobe edifices in different countries. Load bearing walls made from adobe bricks are normally 45-50cm broad. Minimal breadth should non be less than 30 centimeter. Adobe walls carry their ain weight into foundations so there is no demand for other sturctures to transport the burden of the walls. Normally, 80-100 centimeter high rock walls are built as a base for the adobe walls to forestall the affect of land humidness on adobe bricks. As there are non any other constructions to transport the adobe walls, land is dug for the termss. The deepness of the excavated country depends on the local features of the land and the frost degree of the dirt. The misguided apparatus of the foundations might do clefts on the walls. Courses of adobe bricks are lined horizantally and binded together with clay howitzer to organize the adobe walls. Mud plaster which is a breathable stuff that can let the wet of the adobe walls to vaporize ; is used to stick on the first bed of the adobe walls. Fine grained straws are added where straw fibres increase adhering and to obtain a smooth surface. Mud plaster is a lasting stuff but the concluding coating of the wall is made by stick oning calcium hydroxide based paste which is a water-repellent stuff to protect the structural feature of the adobe. As it is an earth stuff, one-year fix is recommended. Worn surfaces are replaced by clay howitzer and plastered once more. This procedure is normally carried out during fall. In adobe houses, the breadth of the edifices do no transcend 4m ( 13ft ) by and large. The infinites are largely rectangular and in some instances they might be square shaped. It is recommended to construct maximal two floors with adobe. Ceiling beams which were normally wood, are placed parallel to the short side of the rectangle with 30-40cm intervals. For these beams, cypress tree was normally used in Cyprus. Bushes or reeds were placed above the beams or in some instances reeds in the signifier of mats might be used if available. On top of this bed, 20-25 centimeter midst clay is casted and compressed by a rock roller. This type of roofs need one-year fix, which normally carried out in fall. If the roof is build with a incline, tiles are used to cover the clay bed. This will cut down the scratch of the clay and reduces the demand for care. Use of Adobe in Cyprus Adobe is a common edifice stuff in Cyprus from early ages. Building stuffs might change in different parts, such as Kyrenia and Paphos ( which are coastal parts of the island ) rock was used to construct shelters. In the fields and foothills, adobe was widely used. The usage of the stuffs depended on the regional handiness and climatic factors. As adobe is an insulating stuff, bulk of the houses were build utilizing adobe. Mesaoria vale which is located between Kyrenia Mountains in the North and Trodos Mountains in the sou'-west of the island, is an aluvial field where most of the adobe edifices can be seen. Reports on dirt studies in Cyprus shows that there are chiefly two types of dirt in the island. One is ‘deep soils’ which can be found in fields and 2nd one is ‘shallow soils’ which can be found in mountain and semi mountain countries. ‘Deep soil’ consequences show that % 60 of the dirt in fields is clay. Large sum of the field lands is calcareus with Ca carbonate content up to % 40-60. Limestone is a sedimentary stone which includes high degrees of Ca carbonate. Limestone is processed in different phases to bring forth calcium hydroxide. Including insularity characteristics of adobe, suited ingredients can be found locally around the island which are dirt with high clay content, and limestone to bring forth calcium hydroxide. Adobe bricks are dried under Sun where limestone and roof tiles are baked in local furnaces by utilizing wood or fuel. This makes adobe a sustainable and natural stuff. Limestone was besides used to construct patio walls. Nicosia is located in the Mesaoria vale where adobe edifices can widely be seen. After the declaration of independency of the island in 1960, concrete edifices started to lift over the island. Nowadays, little sums of Earth edifices are built around Cyprus. Cyprus is hot and dry during summer where the demand for airing is extremely demanded inside the edifices. Privacy was an of import factor on determining the traditional house design of Cyprus where Windowss were built above oculus degree to maintain the privateness. Windows on adobe walls were made by puting wooden headers on top of the gaps to back up the bricks above. Terra rossa dirt is present in some countries of Mesaoria field which is a ruddy brown dirt. Colour of adobe bricks might change in different parts of the island. Partition walls inside the edifices were normally built with light timber-framing filled with rubble or plaster. As adobe is a heavy stuff, it was used to construct the external walls merely. Testing adobe samples from the Davies House I scratched a really small sum of adobe from the external wall of the Davies House. It was easy crumbled into little pieces chiefly because of the low strenght of the wall. My chief purpose to prove these samples is to happen out and specify the ingredients of the adobe used in this peculiar edifice. My purpose was besides to happen out the age of the stuff if possible. First phase in the research lab was to look at the samples under a microscope. A little sum from the sample was taken and placed on a faux pas. Soil and straw atoms were clearly seen but it was difficult to place the stuffs clearly. As they were assorted and largely binded with each other, I need to divide the ingredients. The manner of dividing the composite stuff is to blend the coveted sum of sample with H2O and leave it for one twenty-four hours. By this manner, dense and heavy stuffs which are dirt atoms in this instance will drop ; where the light stuffs will drift on the liquid which are the straws that has lower denseness than H2O which makes them float. One-half of the adobe sample is grained by utilizing a cock. A all right grained pulverization was obtained. 5gr of the pulverization was weighted by a sensitive weighting graduated table. It was put inside a glass beaker and 200ml of distilled H2O added to the sample. The mixture was stirred manually for a few proceedingss and so placed on the magnetic scaremonger hot plate. The characteristic of this hot plate is that it has a magnetic field and if a magnet is placed inside the solution, the magnet will do a round spin and stir it. A magnet was put inside the solution and left to stir and heat for about 15 proceedingss. I used a thermometer to mensurate the temperature of the solution and around 42 ° , closed the hot plate. By stirring and warming, I achieved a well-mixed solution. After a few proceedingss, I covered the beaker with a level glass dish and go forth it for a dark. Through research I found out that calcium hydroxide was used to stick on the adobe walls. There are some grounds on the walls of the Davies House but to turn out that, I used hydrochloric acid. Lime is a stuff that contains calcium carbonate. The reaction of hydrochloric acid or any acerb with Ca carbonate will stop up with bring forthing C dioxide which can be seen by bare oculus as air bubbles. In order to turn out that calcium hydroxide was used in Davies House, I put a small sum of adobe pulverization in a trial tubing. Couple of beads of hydrochloric acid is adequate to see the air bubbles. As a consequence, reaction of the acid with the adobe sample is positive which proves that calcium hydroxide was used in this edifice. It besides raises another inquiry that if the type of dirt in Mesaoria contains % 40-60 Ca carbonate, does the reaction with the acid is because of the type of dirt used in adobe bricks? The mixture was left for a dark. Dense and heavy and indissoluble stuffs sink at the underside of the beaker, where light 1s float on the H2O. Water is non clear which can be defined that some of the dirt was dissolved in H2O. A filter paper was placed inside a funnel and an empty glass beaker was placed below. In order to roll up the natation stuffs, I poured the H2O into the funnel easy without upseting the underside. It was difficult to roll up all of the drifting stuff so I used a metal spatula to roll up the staying from the mixture. The H2O was filtered from the funnel, go forthing the straw atoms on the filter paper. Straws were collected from the filter paper and was put together with the 1s that were collected manually inside a porcelain crucible. I left them dry in the room temperature for 15 proceedingss and set them in the oven for 35-40 proceedingss. They were dried wholly and ready to burden. I changed the filter paper and poured the staying H2O into the funnel. Some of the indissoluble stuffs remained at the underside of the beaker so I collected them by the aid of the metal spatula and set indoors another porcelain crucible. Water was filtered after 2 hours from the funnel and I collected the stuffs from the filter paper and put them inside the crucible. Same procedure was made to dry the stuffs. I let them dry in room temperature for a piece and set them in oven for 40-45 proceedingss. Consequences I weighted the obtained stuffs individually by utilizing a reasonable weight graduated table. Insoluble Materials ( dirt, pebbles ) : 4.56gr ( Wa‚? ) Floating Materials ( straws ) : 0.06gr ( Wa‚‚ ) Exact sum of the whole sample was 5.04 gr. The expression below will give the per centums of the stuffs in the sample. Wa‚ Total Weight x 100 = % .. Wa‚‚? Total Weight x 100 = % .. Insoluble Materials ( dirt, pebbles ) : % 90.48 Floating Materials ( straws ) : % 1.19 As the H2O was non clear after go forthing the solution for a dark, it is defined that there are soluble stuffs in the mixture. So if soluble stuffs are Wa‚? ; Wa‚? + Wa‚‚ + Wa‚? = 5.04 gr Wa‚? = 0.42gr Wa‚? = % 8.33 Experiment shows that most of the adobe stuff is dirt. Straws were used to beef up the binding of the bricks. The sum of straws in 5gr is 0.06gr which is really few. As the edifice is old and ignored, straw atoms might hold been disapeared or decayed within the dirt through clip. Original ingredients of the adobe is soil, straws and H2O. In order to turn out that the detached stuffs from my sample is straws, they need to be identified under a microscope. They are most likely straws but there is a possibility that they might be timber. Timber and wooden stuffs are identified under a microscope by looking at the layout of the cells. Wood are chiefly classified in two groups which are soft and difficult forests but the layout of their cells are similar. If horizantal beams of cells are seen under a microscope, it is a wooden construction. Following measure of placing the straw atoms will be to look under a microscope after cutting really thin subdivisions of the pieces. One manner of thinking the age of the wood is to place the fungus formations within the stuff. The dimensions of the fungus might mention to its age. This can be done by utilizing a microscope but merely if the detached atoms are timber/wood but non straw. Figures Straws under the microscope: Dirt atoms under microscope: Bibliography Hadjiparaskevas C. Soil study in Cyprus. In: Zdruli P. ( ed. ) , Steduto P. ( ed. ) , Lacirignola C. ( ed. ) , Montanarella L. ( ed. ) . Soil resources of Southern and Eastern Mediterranean states. Bari: CIHEAM,2001. p. 101-110 ( Options Mediterraneennes: Serie B. Etudes et Recherches ; n. 34 ) hypertext transfer protocol: //www.lime.org/lime_basics/index.asp Oliver, P. ( 2006 ) . Built to run into demands: cultural issues in common architecture. Amsterdam, Architectural. Pg.129-142 Oliver, P. ( erectile dysfunction ) ( 1997 ) Encyclopedia ofVernacularArchitecture of the World, Volume 2, Cultures and Habitats. Pg. 1540-1563 Gunce K. , Erturk Z. , & A ; Erturk S. ( 2008 ) . Questioning the â€Å" prototype homes † in the model of Cyprus traditional architecture. Building and Environment. 43, 823-833. Adobe, 2014. . Wikipedia, the free encyclopaedia. Anink, D. , 1996. Handbook of sustainable edifice: an environmental penchant method for choice of stuffs for usage in building and renovation. James & A ; James, London. Dincyurek, O. , Turker, O.. , 2007. Learning from traditional built environment of Cyprus: Re-interpretation of the contextual values. Building and Environment 42, 3384–3392. Earth Materials URL hypertext transfer protocol: //earth.sustainablesources.com/ ( accessed 3.25.14 ) . Earth Plaster, Mud Plaster, and Clay Plasters For Straw Bale and Adobe Walls, n.d. Buildings with Awareness. URL hypertext transfer protocol: //www.buildingwithawareness.com/earth-plaster-walls.html ( accessed 3.25.14 ) . Hadjichristos, C. , 2006. Cyprus: Capital of cyprus and its d-visions. AD Architectural Design 76, 12–19. Roy, R.L. , 2006. Earth-sheltered houses: how to construct an low-cost belowground place. New Society Publishers, Gabriola Island, B.C. Snell, C. , 2005. Constructing green: a complete how-to usher to alternative edifice methods: Earth plaster, straw bale, cordwood, hazelnut, populating roofs. Lark Books, New York. Stedman, M. , 1973. Adobe architecture. 1

Tuesday, October 22, 2019

Book Review on Life Strategies for Teens Essay

This book tells about the ten Life Laws that the author’s father has written about, but into a way that teens can easily understand. These Life Laws are to get us understand more why our lives are like this at the moment, what we have done has led our lives to be like this. The Laws are to help us to get back onto the right track with life, dealing with the problems we face, creating our own lives and future. It tells us that it is up to ourselves to create a life that we want; it is all by our control. I haven’t learnt really much, in a narrow speaking definition, of studying in this book, as it most tells me about the attitude and things to do, concerning our whole lives but not just on studying. But Life Law Four ‘You cannot change what you do not acknowledge’ did help me to see that there are actually more I can do to improve my results and to achieve success. I came to know that I should have done much more. As it says in the book that ‘Life rewards action’ as Life Law five, I came to realize that I have much more that I want to achieve than I had even thought of. As I get to know that not until I do it, I would never know what is out there waiting for me. There are always greater possibilities than we could ever imagine for ourselves. We should always aim for more and higher, as long as you have the desire and is willing to do the things you want to do, you always can, in one way or the other. So after reading the book, there are a few things I would like to achieve. I would, of course, want to keep up with my result, as the curriculum will only be harder and requires more effort to be paid. Schedule is expected to be filled up with homework, tests, exam and revision, as well as projects of different subjects. Apart from keeping up my result and a GPA of 3. 5 or above, I would like myself to do more extra work for studying, like to prepare more before the lesson, read some more extra information about that topic, or even do more drilling papers. History is the subject that I would like myself to work extra hard on, not for getting an ‘A’, but to enrich myself with the subject and be more passionate about it. Other subjects are to be work hard on as well, but I will just put more effort on History, as t is what I want to do and is able to do. I should really strive the best and to exceed myself for my goals. Also, in a broader meaning of studying, I have learnt much about my life from this book. It somehow teaches me to have a better attitude on different aspects in life, with friends, with parents, in school, and most importantly me. About what I should do for the rest of my life, how I should deal with problems, face difficulties, and to go through the life journey with a smile on my face, as least knowing why everything would happen in such a way, and to change it into the way I want life to be. Both the first Life Law and the second Life Law, which are ‘You either get it, or you don’t’ and ‘You create your own experience’ it is just so true in my life. I really I had been struggling before I made the decision of switching school a year ago. I wasn’t doing so well in my school or with my classmates. I felt so ‘whatever’ all the time, thinking that this is just what I get, I have to go with it, I have to suffer it, etc. I didn’t think that I could have changed it, I didn’t think that I could change my own life into a better way. It wasn’t until one day, while chatting with my friend, she was talking all about the fun things she experienced in school, and I was thinking ‘Oh, I just wish I could be like her as well. ’ Then, she asked me ‘Hey, how is your school going? ’ I was astonished. I was thinking that I had told my friends a thousand times that my school isn’t going well and I simply hate it, why could she ask me like this? So, I asked her ‘I told you it isn’t so great, why you are asking again? ’ She shrugged ‘Well, I don’t know if you may have changed it or do something with it, as to make yourself happier or what. I froze there, wondering why on earth she thought I could have changed my life into a happier stage. Then I started to think hard, is there something I can change? Is my life really having no hope at all? From there, I thought as hard as I could ever have. Then, I gradually understand why I had my life so miserable and I chose to change it with the decision of switching school. By now, I have proven that I have my own control with my life. I see the change in myself, from not knowing what I am going to do with my life, to having a clear goal on my life and being optimistic with my own life. I have more friends, I work harder in school, I started to get better results, etc all these I can see myself changing and it proves that I really do have the power to change my life into a better way. After reading the first two Life Law, now I understand more on my life. I now get to know how I have chosen for myself to be happy. It is always good to know that you have done something right, isn’t it? And I am now more sure of how to make myself happy in my life. Now, here comes the third Life Law of ‘People do what works’. It tells that people, teenager here, sometimes found themselves doing something stupid over and over again. In this chapter, it stated that the people continue to do these things because they are getting ‘payoffs’. I get to realize why I still come back home later than my mum expected and I always knew that I am going to be scolded or even punished, but still I continued to be late at home. After reading this chapter and know more about it, I got to understand that my ‘payoffs’ is having more time with friends and don’t need to be home under my parents’ control. As I got to know what is my ‘payoffs’ and what I have in return, I can now balance the two things that I want. I can now tell myself that if I go back home punctually and always tell where I would go to my parents, they’d trust me and give me more degree of freedom and I could have more time with my friends. I now see another way to get what I want. Life Law Six: There is no reality, only perception. It somehow tells me that sometimes how I think of other people may not be the exact way that they think. I now get to know that I can choose how I think of other people and myself. By knowing this, I can now choose how to think others and the way I treat them. If I can always look at the good side of people, I can be happier with them, since I know they are good people with good intension. My life could be happier. As my emotions would be affected by my perceptions about people around me. I also learn that I should be influence by my personal view on a person, as there is always a great possibility that I would misjudge them. For the rest of the Life Laws, they are also useful and can be applied to my life, as to make my life happier and more meaningful. By ‘We teach people how to treat us’; I know that how I should do to earn my parents’ trust, and y own freedom. More importantly, I now understand how I should do to get a good impression with people. All the ten Life Laws have brought me to a deeper understanding of my present life, not just how I study but my life being myself and what I should live my whole life. Life Law Seven ‘Life is managed, it is not cured’ it emphasized once again that we are the one who controls our lives. We should always choose for ourselves, the way we treat others, the way we treat ourselves. This book has taught me much about life, not just studying in school but studying through my whole life.