Tuesday, February 25, 2020

Future of Marine Communication in Navy Essay Example | Topics and Well Written Essays - 1000 words

Future of Marine Communication in Navy - Essay Example As Harris has said, "Communications is everything, it's the ability to pass information down to our units that are supporting us and are working in our group, and up to our bosses so that they have a feeling of assuredness that we're doing the right thing in a timely fashion, and we're answering their questions, as well". (http://www.news.navy.mil) In 1916, telephone and telegraph on a trial basis connected the United States Navy Department. The result of these tests was so satisfactory that the department proposed to arrange for a non-stop direct long-distance service by telephone and telegraph. From these preliminary experiments, developed the current concept of communications through wireless means as radio and data links. The latest technology trends in naval communication is Marcom, a digital integrated voice / data switching system for affordable command and control equipment supporting communications and radio room automation. It uses the latest technology to offer the user a command and control system that is inexpensive, user friendly, and a solution to the complex voice, video and data communications needs of current and future endeavours. L-3 Communication Systems-East designs, located in New Jersey, has developed this technology. "Marcom has the flexibility to support integration with both legacy and modern communi cation systems like automated radio rooms based on network radios like JTRS. Applications include: shipboard / mobile interior and exterior communications; radio base band circuit switching; air traffic control; secure switching; and command and control centres." This virtually caters for all that the Navy needs today. (http://www.naval-technology.com) Selex Communications is another naval communications provider which specialises in different aspects of communication system design including: New-generation radio transmitters, transceivers, receivers and ancillaries covering the VLF to SHF frequency range to meet the communication requirements of strategic and tactical military operations New generation wideband switches for wire, fibre-optic and wireless communication networks, supporting and extending the ATM and IP modes of operation in compliance with the security requirements of military applications Multi-function, multi-algorithm crypto devices for information security over wire and wire less channels" (http://www.naval-technology.com) In conformity with these requirements, it has been providing Ship-Shore-Ship Buffer Stations for NATO Navies Italian satellite program (SICRAL) and tactical land-based/ship board/airborne terminals NATO BRASS program, a network of shore- based stations to support Naval Broadcast and Ship-Shore services. It also provides external communications subsystem for plain/secure voice/data communication between the ship and the out side world, consisting of radio equipment with ancillaries and antennas to include: HF transceivers (SRT-175/N, SRT-674/E and SRT-2006 families) VLF/LF/MF/HF receivers of the MSC SR-1022/N family Broadband, fan-type and narrowband HF whip antennas V/UHF transceivers (S

Saturday, February 8, 2020

Managing coastal environments Essay Example | Topics and Well Written Essays - 1000 words

Managing coastal environments - Essay Example In 1950-1970s, one of the methods used to achieve protection is the establishment of hard rock protections. Although the said method is aimed to minimize the effects of coastal erosion, it caused negative effects such as the increase of the power of the energy waves that can hit the land. This can be attributed to the magnification of wave action that intensified the momentum of the waves. The accumulation of knowledge on the basis of research and data gathering, the advancement of new methods led to the continuous improvement of methods to lessen the effects of coastal erosion. There are different strategies that can be cited that were applied and empirically observed in different localities and countries. One of the examples of methods applied is located in Townsville, North Queensland. The case of the said locality is having natural erosion in the coast in relation to the two tropical cyclones that affected the area for two consecutive years. The protections that had been established had not been enough to sustain the effects of the erosion. This had effects in the tourism of the area since the recreational beaches, which are the main source of livelihood, became seriously eroded. For that matter, actions had been taken by the local council and the authorities to be able to restore facilities to prepare for the vacation season. Included on the proposed action plan is the establishment of new facilities for the tourists, restoration of the beach and construction of four rock headlands to slow the waves and trap sediments. Through the state legislations and redevelopment proposals, the main sources of funding are the state disaster fund and the council supplementary fund. Another case is the Tweed River in New South Wales which is human induced erosion. Actions were taken to be able to keep the river mouth clear on the basis of the susceptibility to erosion. The training

Thursday, January 30, 2020

The History of Curriculum Planning Essay Example for Free

The History of Curriculum Planning Essay An effective curriculum depends on its design. When developing and planning a curriculum, educators must focus on student success. According to Danielson (2002), â€Å"educators follow clearly defined steps that are designed to link the local curriculum to state and district content standards† (p. 81). Once a state has established a Standard Course of Study, educators can design a curriculum that will provide the most appropriate education possible for the diverse learners in that state. This will prepare students to become successful, contributing members in a 21st century society and global economy. In this paper, the author discusses the historical and political influences on the current curriculum practices, the effects of English Language Learners (ELL) and Sheltered Instruction Observation Protocol (SIOP) laws have on curriculum development, and the impact of gifted education on the evolution of curriculum development. Many political and historical influences on education come to mind, notably, the No Child Left Behind (NCLB) act and cases involving religion. Politics plays a very important part in curriculum development. The main component of politics is funding. Educational institutions rely on funding from federal, state, and local governments. These funds are used to hire personnel, build and maintain educational facilities, and purchase resources needed to define established goals. Failed programs such as No Child Left Behind have proved to be expensive and caused an increase in the achievement gaps among students. Designed to bridge achievement gaps, NCLB has not helped, but because it focuses on high-stakes testing, increased funding is needed to pay for the training, testing materials, and administration. Furthermore, NCLB focuses on literacy and math, leaving little time in curriculum for history, science, and the arts. â€Å"Any balanced curriculum should highlight the interconnectedness of various fields of knowledge, expose students to a  wide variety of experiences that can help them clarify their interests and talents, and incorporate appropriate ongoing assessment to gauge student mastery† (Cawelti, 2006, p. 67). Not only are there the issue of narrowed curricula and funding, research indicates NCLB has detrimental effects on minority and low-income students ((Woolhether, 2012). These students do receive the best education possible, because they are faced with overcrowded classrooms and teachers whose priority is â€Å"teaching to the test†. Education will continue to suffer as students are coached to pass tests and not taught a curriculum that will prepare them to live and participate in the 21st century. The other issue, school prayer and religion expression, has an impact on curriculum. Even though the court case Engel vs. Vitale (1962) sided with Engel concerning prayer in schools, it did not quell the issue of religion. Educators have to be careful when selecting resources for the curriculum. Choosing activities with religious undertones could pose problems for educators, such as musical and reading selections. However the move toward giving religion a role in education includes establishing guidelines that specify how students can pray in school, how religious clubs can have access to school facilities, and how teachers can incorporate religion into the curriculum (Brown, 2012). Increasing immigration in the United States has led to a large population of children who live in homes where English is not the primary language. To provide the best possible education for these diverse students, curriculum planning must include elementary school programs, such as ELL (English Language Learners) and SIOP (Sheltered Instruction Observation Protocol) that address their needs. Some schools may offer several programs to accommodate these students while other schools may offer only one program. Some identified programs are (1) the English-language monolingual program where the child is in a regular English-language monolingual classroom; (2) the English-monolingual-plus-ESL program where the child is i n a regular English-language monolingual classroom, but receives instruction in English as a Second Language (ESL); (3) the Transitional bilingual education program where the child is placed in a bilingual education classroom and receives some form of English-language instruction, but also is taught in Spanish; (4) Maintenance bilingual education program, where children are placed in a bilingual education classroom and receives some form of English- Spanish instruction.  This program helps students develop full proficiency in both languages; (5) the structured immersion program where the child is in a classroom in which the subject matter is presented in English, but in a manner that students with limited English-language proficiency is insufficient (Honigsfeld, 2009). These programs are beneficial if the number of ESL teachers to student ratio is sufficient. Often funding issues lead to budget cuts in these areas. A positive for NCLB is that it allocates extra support for programs designed to help ELL students’ progress. The impact of gifted education on the planning of the curriculum is positive, but may also have some negative effects. The use of the multidimensional Curriculum Model (MdCM) helps educators to better prepare gifted students for the changing world, providing them with the skills needed for the 21st century (Vidergor, 2010). This model could be used as a framework for curriculum design and development that will reach and teach gifted students. The negative effects of gifted education include funding issues for hiring teachers capable of teaching gifted students and allocation of funds. Again, movements such as NCLB have overlooked the population of gifted students. Collaboration and planning a curriculum that uses differentiated instruction is an effective way to reach gifted students. Since funding is in short supply for gifted education, reaching out to community leaders will help them gain an understanding of the needs of gifted children. This can help dispel the myth that â€Å"gifted children can make it on their own† (Roberts Siegle, 2012). To save gifted education and serve gifted students, some schools are turning to the Schoolwide Cluster Grouping Model (SCGM). â€Å"When implemented well, the SCGM represents one viable solution for providing effective and consistent gifted services within certain budget restraints† (Brulles Winebrenner, 2011, p. 35). This model allows school leaders to embed gifted education services into the school system, making it possible that all students’ needs are met (Brulles Winebrenner, 2011). Funds will still have to be allocated for teacher training. Classroom instruction should reflect societal needs, the needs of students, and recommendations of experts in their field of study. These are important components when planning an effective curriculum. It is clear that ELL program models do not work for everyone, in other words, ‘one size does not fit all’. NCLB has proven beneficial by the allocation of funds to certain departments; however, it  must be revisited and revamped before it will be completely effective. Unfortunately, it does solve the problems that cause students to be left behind. NCLB also has a negative impact on gifted education. Emphasis is placed on lower achieving students and efforts to make these students proficient on standardized tests. A well-planned curriculum should be rigorous and demand from students higher-order thinking skills. References Brown, M. (2012). 50 years later: High court’s school prayer ruling still fuels religious liberty debate. Deseret News. Retrieved July 15, 2013 from http://www.deseretnews.com/article/865558046/50-years-later-High-courts-school-prayer-ruling-still-fuels-religious-liberty-debate.html?pg=all Brulles, D., Winebrenner, S. (2011). The schoolwide cluster grouping model: Restructuring gifted education services for the 21st century. Gifted Child Today, 34(4), 35-46. doi:10.1177/1076217511415381 Cawelti, G. (2006). NCLB: Taking stock, looking forward. The side effects of NCLB. Educational Leadership(64)3. 64-68. Danielson, C. (2002). Enhancing student achievement: A framework for school improvement. Association for Supervision and Curriculum Development. Alexandria, VA. Engel v. Vitale, 370 U.S. 421 (1962). Honigsfeld, A. (2009). Ell programs: Not one size fits all. Kappa Delta Pi Record, 45(4), 166-171. Roberts, J., Siegle, D. (2012). Teachers as advocates: If not You—who?. Gifted Child Today, 35(1), 58-61. doi:10.1177/1076217511427432 Vidergor, H. E. (2010). The Multidimensional Curriculum Model (MdCM). Gifted Talented International, 25(2), 153-165. Woolhether, L. (2012). The effects of NCLB on low-performing and minority students. Retrieved July 16, 2013 from http://www.ehow.com/info_7930134_effects-nclb-lowincome-minority-students.html

Tuesday, January 21, 2020

It is Impossible to Accurately Imagine What is it like to be a Bat Essa

It is Impossible to Accurately Imagine What is it like to be a Bat Insofar as I can imagine this (which is not very far), it tells me only what it would be like for me to behave as a bat behaves. But that is not the question. I want to know what it is like for a bat to be a bat... - Thomas Nagel In order to take the above request seriously, one must assume that bats have experience and consciousness. Assuming so, one must then imagine the consciousness that a bat must live with. Its brain is "designed to correlate outgoing impulses with subsequent echoes, and the information thus acquired enables the bat to make precise discriminations of distance, size, shape, motion, and texture comparable to those we make by vision." (Whereas we humans rely on sight to create our vision of the universe, bats rely on sound.) Because any argument of any creature's existence must be based on the human epistemology, the question is now not how bats perceive the universe, but how a bat's perception compares to the human perception. Such a comparison may never be genuine or correct, but by...

Monday, January 13, 2020

Bourdieu, P. Language and Symbolic Power Essay

French sociologist Pierre Bourdieu, in his work, Language and Symbolic Power (1991), describes the power of language in relation to politics, social institutions, economics, and education. He views language as a means of communication but more especially as a competitive means of pursuing interests and objectives. He explores the traditional approaches to language but emphasizes that language is more important and beneficial when it is understood in the social context. â€Å"The social uses of language owe their specifically social value to the fact that they tend to be organized in systems of differences which reproduce the system of social differences† (p. 54). The connections between literacy and social positioning can be analyzed through the different forms of capital – economic, cultural (i.e. knowledge, skills and other cultural acquisitions, as exemplified by educational or technical qualifications), symbolic (i.e. accumulated prestige or honor), etc., which can be accumulated through family or social institutions (Menard-Warwick & Dabach, 2004). Central to the discussion are the two concepts ‘linguistic market;’ and ‘linguistic habitus’ that are considered as â€Å"sites of struggle and competition where individuals or agents strive to maintain or alter their position and where their capacity to compete is determined by the volume of capital they possess† (Riagà ¡in, 1997, p. 39). Linguistic capital, together with other forms of capital, defines position of an individual within the social hierarchy (Riagà ¡in, 1997). Bourdieu also speaks of a linguistic market competence as capital. His extensive use of the language of economics (e.g., markets, profit, price, investment), according to Riagà ¡in (1997), implies that individual adopts linguistic strategy that contributes to a realization of desirable outcome like profit that symbolizes prestige. Social dynamics will then contribute to the understanding of the role of education. For Bourdieu, literacy learning involves interrelated aspects of complex individual, social, and cultural contexts. This multidisciplinary perspective allows us to increase our knowledge and deepen our understanding of concepts and ideas that might form social groups. In the academic field, the habitus provided educators with a different way of viewing social institutions where students and teachers act and react analytically based on their practices, perceptions, and attitudes already in place. Teachers and students are viewed to have socially structured resources and competencies that enable them to use language in dealing with and understanding relationships, hierarchies, and literacy practices (Gutierrez & Stone, 2000). â€Å"Sociology can free itself from all the forms of domination which linguistics and its concepts still exercise today over the social sciences only by bringing to light the operations of object construction through which this science was established, and the social conditions of the production and circulation of its fundamental concepts† (Bourdieu , 1991, p. 37). The use of language through the power of media is also associated to the fields of politics and social sciences. Bourdieu’s dynamic model of the relationship between society and politics explains how language is used in political systems that affect social conditions. For instance, people who share common culture and social networks are likely to shape their own social institutions. The Civil Rights Movement in The United States (US) is an example of how social institutions are developed. In addition, Bourdieu also explains through the concepts of habitus, symbolic power, religious capital, and field the occurrence of social movements within institutions like religious groups. For example, the introduction of women’s ordination movement in the Catholic Church (Stone, 2001). It is therefore important to consider Bourdieu’ concepts of ‘linguistic habitus’ and linguistic market, as well as the different capitals in analyzing discourse social, political, and economic processes and changes because language should not only be viewed in the traditional perspective but also in the different context to maximize the use and functions of language in specific fields of study and practice. References Gutierrez, K. D. & Stone, L. (2000). Synchronic and diachronic dimensions of social practice. In C. Lee & P. Smagorinsky (Eds.), Vygotskian perspectives on literacy research: Constructing meaning through collaborative inquiry (pp. 150-164). Cambridge, England: Cambridge University Press. Menard-Warwick, J. & Dabach, D. B. (2004) â€Å"In a Little While I Could Be in Front†: Social Mobility, Class, and Gender in the Computer Practices of Two Mexicano Families Computer Users Tend to Develop Literacies Most Compatible with Their Current Lives Programs for Adult Learners Need to Make the Technology A Meaningful in This Context. Journal of Adolescent & Adult Literacy 47(5), 380+. Riagà ¡in, Pà ¡draig Ó (1997).Language Policy and Social Reproduction: Ireland, 1893-1993. New York: Oxford University. Stone, Lora (2001) â€Å"Misrecognition of the Limits†: Bourdieu’s Religious Capital and Social Transformation. University of New Mexico. Retrieved October 13, 2007 from http://www.jcrt.org/archives/03.1/stone.shtml.

Sunday, January 5, 2020

Racism A Contagious Virus - 1130 Words

Introduction Racism is a man made illness that has spread upon humans worldwide and to this day, Racism is currently still a contagious virus. Racism is mans gravest threat to man, the maximum of hatred for a minimum of reason. The idea of race and superiority has caused major social and economic damage globally; with a fire still burning of hate and ignorance will we ever see a conclusion and closure of hate of our fellow man. In my response paper I will highlight readings that have expanded on the idea of race, racism, enslavement and endearment of the African people. Scientific Racism In this reading the uprising of racism is explained and focuses on how the white Europeans labeled those of the non-white race to be inferior. During the 1800’s scientism was an influential and important theme in the lives of those who were considered intellectuals. The idea and concepts of race were merely theories developed by European and American intellects, which included men whom held occupations in medicine, science, zoology, and psychology. A man by the name of Arthur de Gobineau was said to be the founding father of racism. He accumulated a set of theories which he explains and categorizes whites, blacks and Asians. He expresses the white race as superior and gives a number of high quality traits that the white men possess, while in contrast he defines blacks as inferior and unstable whom also have little to no positive qualities or strengths as a people. WhiteShow MoreRelatedThe Most Important Issues of the Modern World1475 Words   |  6 Pages1. The most important problems of the modern (contemporary) world. The modern world, the world that we live in is exposed to many perils. Among the major problems are poverty, unemployment, wars, terrorism, racism, air pollution, climate change/global warming, and diseases. Poverty The gap between rich and poor nations is still growing. Although rich nations have provided aid and technical assistance to Third World nations, the developing nations face many obstacles in their drive to modernize.Read MoreEssay on Impact of Stigma of HIV-AIDS in the South African Workplace1497 Words   |  6 Pagesunderstanding of what workplace stigma towards HIV/AIDS is in the workplace from a South African company perspective with specific reference to how it can affect the workplace. In the South African politics whose history is filled with social discrimination, racism and discriminated beliefs, â€Å"A stigma is a deeply discrediting attribute that reduces a person to someone who is in some way tainted and can thus be ridiculed†. - (molefe, 2009) The research problem faced with is that HIV/AIDS stigmas within the SouthRead MoreEternal Knowledge is From God Essay1696 Words   |  7 Pagesexperience and even by accident we uncover information. For example, when AIDS was first exposed, it was believed that it was highly contagious through kissing and even through casual contact and as a result the whole country was in frenzy but as the medical field study and become more educated about this disease, they revealed that there are specific ways for the virus to enter the body. Society had to change their thinking and behavior to match such discovered truth. Culture is also relative toRead MoreHiv And The Older Adult Population Essay2040 Words   |  9 PagesINTRODUCTION Human Immunodeficiency Virus (HIV) is a serious condition in our society. If left untreated, HIV can progress to Acquired Immunodeficiency Syndrome (AIDS) (CDC, 2016a). Once a person is infected with HIV, it can never be completely removed from the body, meaning they are infected for the remainder of their life (CDC, 2016a). HIV was initially thought to be a problem only in younger generations (Ellman, Sexton, Warshafsky, Sobieszczyk, Morrison, 2014). However, evidence has emergedRead MoreHiv / Aids : An Epidemic Of The United States1986 Words   |  8 Pagesimpact on this population (Saleh Operario, 2008, p. 394). Interventions that de-stigmatize same-sex behavior and reduce intolerance may also be necessary for implementing HIV programs, including homophobia among those working with this population. Racism, discrimination, poverty, and access to health-care are also fundamental issues that must be addressed as risk factors for HIV in and of themselves regardless of sexual ori entation or identity, Socioeconomic factors can provide obstacles to HIV preventionRead More War Creates Social Division, Not Cohesion Essay5403 Words   |  22 Pages Therefore, in 1942 Japanese Americans and Canadians, a mistrusted yet innocent ethnic minority, were being forcibly detained on the basis of a fictitious military necessity according to Roger Daniels. And two separate governments were exhibiting racism that had been indigenous against Asians for nearly a century. The approach used--the military in one nation, the national police in the other--were similar, and the internment camps in both were just as remote and unpleasant. The circumstances of

Saturday, December 28, 2019

Natural Mosquito Repellent Recipe

Its easy to make your own natural mosquito repellent. You can control exactly what goes into the product so you wont need to worry about any unwanted chemicals. Natural Mosquito Repellent Safety There are a couple of different formulations you can use for your natural mosquito repellent. In general, what you are doing is diluting an essential oil that the mosquitoes find distasteful or which confuses them so they cant find you to bite you. The oils dont mix with water, so youll need to add them to other oils or to alcohol. Its important to use an oil or alcohol that is safe for your skin. Also, dont go overboard with the essential oils. The oils are potent and could cause skin irritation or another reaction if you use too much. If you are pregnant or nursing, do not use any mosquito repellent, natural or otherwise, until after youve gotten it cleared by your physician. Natural Mosquito Repellent Ingredients If you are making large amounts of mosquito repellent, a good rule of thumb is to mix the repellent so its 5-10% essential oil. That means you should mix one part essential oil with 10-20 parts carrier oil or alcohol. For a smaller batch use: 10-25 drops (total) of essential oils2 tablespoons of a carrier oil or alcohol The essential oils that work well against mosquitoes are: cinnamon oillemon eucalyptus oilcitronella oilcastor oil Safe carrier oils and alcohols include: olive oilsunflower oilany other cooking oilwitch hazelvodka Natural Mosquito Repellent Recipe Mix the essential oil with the carrier oil or alcohol. Rub or spray the natural insect repellent onto skin or clothing, using care to avoid the sensitive eye area. Youll need to re-apply the natural product after about an hour or after swimming or exercise. Unused natural insect repellent may be stored in a dark bottle, away from heat or sunlight.