The Child Essay Example for Free

The Child EssayThe Social Model of harm came about through the disability movement and other organisation campaigning for equal rights, opportunities and choices for change people. The social model of disability recognises that every problem of disability be created by society and its institution and that The Discrimination Acts are tools to help to improve the response of society to disability, similarly a wheel chair user is non hampered by their disability but by lack of adequate access to buildings.The social model may impact upon our practise as we would supply inclusive environments as a starting point for each electric razorren. The Scope website stated The social model of disability says that disability is caused by the way society is organised, rather than by a persons terms or difference. The medical model of disability views a disability as the problem also that disability is a tragic incurable fact that leaves the suffer with lilliputian chance of a norma l life, people should be cared for in institutions and may non be able to be independent.If practiti onenessrs follow the medical model of disability this might impact upon our practise by viewing boorren with a disability as not being able to do anything the other clawren toilet do. The medical approach stresses the importance of curing and nowadays preventing disability as though disability is in some ways a tragedy. This has now resulted in screening in pregnancy so that parents tail assembly find out if their pip-squeak is going to tolerate a disability. E2).The legal requirements that harbour the actions to be taken when it is considered a child may overhear special drives. The governing want to reform the Special educational Needs (SEN) system to address problems which include parents having to battle to get the concentrate their child wants also children f bothing between the gaps in go or having to undergo multiple tests, the government are going to by 2014 the y are going to include parents in the assessments and give the parents control of sustenance for the support their child needs.With parents getting the money they might not know where to spend it as they might not constitute had the money before to spend, with the parents getting the money they expect a greater choice of schools that they screwing send their child to and gives parents and the community groups the power to set up special free schools. The guardian states More than one in five children in England are identified as having SEN 21% of the school population in January 2010.Only 2. 7% buzz off statements. More than one-half of the pupils, 11. 4%, are in the school action category. To help children that have learning needs but not necessarily a special educational need we allow for civilize with SEN specialists as we develop the reading progress check for six years old to help identify children who require surplus support. E3 + C ).The different types of provision available to support children with special needs and their families a voluntary organisation desire Barnardos where staff just offer up to work there to help children and their families, they have to find their own way to get money because the government dont help with any money, they have charities and donations of people to run the business they might also ask for a pound or two for some groups they do to help with the funding. We believe we coffin nail bring out the best in every child whether the issue is child poverty, sexual exploitation, disability and domestic violence. Barnardos set up groups for children and parents to go to, so they can talk and so the children can play with each other. Staffs help and support the children and their families.A statuary would be a school this is where children can have one to one support often a special needs or learning support assistant, theses only work alongside the children in the early years dis rambles, through mainstream scho ol parents and families will get support from social services and also get help with respite care, so the children can go for the weekend and have fun and play there this is gives the parents and families a rest as with some children it can be 24 hour every day.By the children going to respite care the children go there so the parents no their child is safe as it can be hard and no-good leaving their child somewhere else. Adults working with SEN children spend the majority of their m supporting that child however sometimes its the practitioners that needs the support.The role of the practitioners can be hard work and isnt taken lightly, the practitioner needs support from other people around them to help go on their confidence and provide the correct provision for the children. A helpful support to practitioners could be the charity Mencap. Mencap work in partnership with people with a learning disability and all our services support people to live life as they choose. E5). One c ommon condition is Dyslexia. It may be possible to detect symptoms of dyslexia before a child starts school.Possible symptoms include * delayed speech development in comparison with other children of the same age * speech problems, such as not being able to pronounce long words properly and jumbling up phrases for example, saying helicopter instead of helicopter, or beddy tear instead of teddy look * problems expressing themselves using spoken language, such as being unable to remember the right word to use, or putting unitedly sentences unneurotic incorrectly * little understanding or appreciation of rhyming words, such as the cat sat on the mat, or nursery rhymes * difficulty with, or little sake in, learning garner of the alphabet You can get Dyslexia from family history and genetics, children can get one to one support with spelling and writing and vocabulary, Dyslexia has effects on development with verbal memory, language and concentration. Dyslexic pupils benefit from ea rly intervention to prevent slipping behind their peers. Where specialist support is offered at a slow age, learning is slight effective and self-esteem and emotional well-being may be considerably undermined.Dyslexic pupils will need individual support which is secern from that offered to low achieving pupils, addressing the very different learning style of the dyslexic brain, if pupils are to make significant progress. Ideally this should be offered by staff with some prep in supporting dyslexic children. In some cases, one-to-one tuition from a specialist dyslexia teacher may be necessary. Practitioners support children within the setting the Class teachers need to have an understanding of the problems that the dyslexic child may have within the classroom situation. Hopefully, with this knowledge, a great deal of misunderstanding of a childs behaviour can be prevented.In a positive and encouraging environment, a dyslexic child will experience the feeling of success and self-v alue. other professional that will help children with dyslexia is a one to one tuition from a specialist dyslexia teacher. E6). Ways to overcome barriers to achievement for children with special needs by having holding the environment and the building this might mean putting a ramp down so the children can get in to the building it might also mean moving the classroom around so children with a walker or a wheelchair can get round the class room, it is also great to suit activities in order to provide children with the opportunities to learn and feel successful.All children need to experience success in order to maintain motivation and promote a positive self-esteem. This means practitioners need to think about planned activities and consider their suitability for each individual. As practitioners we need to consider how best to adapt the activity in order for the child to have opportunities to learn and feel successful, this may mean changing the format to make it more or less c hallenging or using a different approach or media. Sometimes equipment and resources need to be modified in order that children can successfully use them, in some cases it is possible to make simple adaptations for example buttons on dressing up clothes may be substituted for Velcro.We also need to get parents involved in planning so we know how we can meet the childs needs and also so the parents know how the child is getting on in school. An invisible barrier is teachers saying the child cant do and activity because of their disability and the teachers not changing the lessons for the children, very practitioners should change the activity for each childs learning needs so that all children are included in each activity and no one is left out of any activities done in the setting, each setting should have an inclusion policy in the setting which means practitioners have to follow the policy to include all the children in the activity, if they dont they arent giving all the childr en the same chances as everyone else.All practitioners should encourage all children to join in activities together an example of this could be getting other children to read to a child that has a visual impairment. E7). The role of the practitioner in maintaining the privacy and dignity of children in situations where intimate personal care such as toileting, practitioners would take the child out the room away from the other children and have another member of staff with us, also so making sure practitioners are following policies and procedures like telling other practitioners that you are toileting. As practitioners we need to make sure that we are getting the right training to support the children when toileting.It is burning(prenominal) for practitioners to ask parents how we can meet the childs needs are best met, and maintain privacy and respect of the child, one of the keys for practitioners is to be organised with pads, underwear and toiletries are ready, self-esteem is l inked to independence this means that even in tiny ways it is important to support the children to help the child do as much as they can. Children with SEN often take medication. Practitioners will need to defend knowledge pm the medication so they should research what they are providing to the child, if there could be any side effects what could happen? Communication should take place with the parent or carer to make sure when they should be taking it and if the practitioners will need appropriate training in order to safe guard the child and practitioner.Parents will need to give written consent as to what the practitioner is giving to the child. E8). One professional who supports the needs of children with special needs and their families is a rescue Therapist they are concerned with all aspects of communication, they assess childrens hearing, speech, language, check the mouth and tongue movement, they prepare individual programmes and exercises for children to help them acquir e language. Speech therapists any work in the community, hospital clinics or schools they also help children with cleft lip/palate, cerebral palsy, hearing impairment and stammer. Terms used is assessing speech impairment are fluency, Dysfluency, stutter/stammer, Avoidance behaviour.Signs to watch for and seek advice on birth to 3 months is mother not communicating with the baby or if the child is disadvantageously ill, or having feeding problems. A child 3 to 6 months is silent most of the time and eye contact is not developing. A child 6 to 9 months does not respond to play, vocal and non-vocal and no consistent response to noise, a child 9 to 12 months not trying to communicate and not responding to single words and simple commands, a child 12 to 15 months unable to give a toy to a adult on request. Exercises that may help the children develop could be tongue exercises, blowing bubbles, different lip shapes, making noises with toys and adapting songs. Another professional who s upports the eeds of children with special needs and their families is a Community Nurse in some areas community nurses visit schools and settings to help provide advice and support, they may undertake general health and work with parents or they may work with particular children and their families. The every(prenominal) Child Matters programme is a major focus on early years centres.The community nurse may assess the children with epilepsy, mental health and behavioural problems. The http//dera. ioe. ac. uk stated Currently, few local community childrens nursing (CCN) services are able to meet the needs of all ill and disabled children and young people, who have been divided into four groups. These are Children with acute and short-term conditions Children with long-term conditions Children with disabilities and complex conditions, including those requiring Continuing care and neonates and Children with life-limiting and life-threatening illness, including those requiring Palli ative and end-of-life care. D). The importance of a sensitive, non-judgemental approach when working with children with special needs and their families, this is linked right through my assignment talking about that no two children are the same, each child have their own personality and interests and this requires that practitioners are sensitive and reflective. Observing children and thinking about their responses is therefore useful especially where a childs communication theory skills are limited.As practitioners we see it as its important that many children with special needs are educated alongside their peers, many parents and families have a fight to get equal access to education for the child. As not all schools might have the support that the child may need and to government funding they may not be able to afford it. B). The benefits of an inclusive approach for the child with special needs, the concepts of inclusive education emphasis on schools and settings to adapt and be flexible enough to accommodate each and every child. Organisations seeking inclusive practice also point out the importance of significant funding as poor resources, both physical and human are often barriers to inclusive education.Inclusive education enables all students to participate fully in any mainstream schools, colleges or university it also has training and resources aimed at fostering every students equality and participation in all aspects of the life of the learning community, inclusive education aims to equip all people with the skills needed to build inclusive communities. Inclusive education is based on principles * A persons expenditure is independent of their abilities or achievements * Every human being able to feel and think * Every human being has a right to communicate and be heard * All humans beings need each other * Diversity brings strengths to all living system. If children with special needs are to take their place in society after school then, it is i mportant for a school to be truly inclusive, and ending discrimination, removing barriers as talked about in E6, and welcoming and valuing all children. local education authorities are required to educate children with special needs subject to parents wishes, I think it is important that if parents want their child to go in mainstream school they have the chance to go, and learn with other children. A). It is important that different professionals work together to help children and their families as they are there to help and support the child and the family. Multi-agency team ups work together to provide benefits for children, young people and families because they receive tailor-made support in the most efficient way. The Education. gov website stated Multi-agency working brings together practitioners from different sectors and professions to provide an integrated way of working to support children, young people and families.The benefits of this include early identification and i ntervention, easier or quicker access to services or expertise, improved achievement in education and better engagement in education, better support for parents, children, young people and familys needs turn to more appropriately, better quality services, reduced need for more specialist services. The teams work together to help the child meet their needs.A multi-professional approach is important because all the professionals need to work together to help the child and their family for example a child might have a speech impairment the professionals like the practitioner, health visitor and the speech therapist will all work together to help and support the child and the family all the professionals will have a meeting once a month if not more often. t is important for all the professionals to work together for the safety of the child and their family, if they dont work together a situation could end up like baby p, baby p died because professionals didnt work together and have re gular meetings and communication. All the professionals need to work together so they know everything about the child and their family and the child and family are getting on and what professionals are working with the family. A multi-agency team helps a team of professionals that work together to support children and their families. A multi-agency team use the Common Assessment Framework (CAF) this supports children and young people who have a low direct of additional needs.A multi-agency team will help professionals from relevant agencies to work together to assess the child or young person and therefore support development and learning appropriately. A multi-agency team need to have regular meetings to keep up with all the information they also need to respect everyones views in the team as some people might have different views and opinions. The team of professionals need to have patience as there will be a lot of people in the team with questions to ask. They also need good co mmunication with other members of the team, the children, the parents and the teacher. Good communications mean having emails, letters and information passed on correctly and on time. It also helps being well organised, also making sure they have a right date and time for a meeting.

Touch Interfaces Essay Example for Free

Touch port wines EssayIntroductionPointing at an object is the most basic pitying interaction, which is very weighty in human-machine interfaces. Similarly, creating questions such(prenominal) as using ones pass away and arm quarter provide reading. For instance, pointing to a chair indicates asking for permission to nonplus down or pointing to indicate directions. The main goal of all the research done on smudge interface and gesture recognition is to develop a transcription that abide identify specific human gestures using human touch and use them to interact with Softw atomic number 18 application. Humans habitually use gesture to interact with other humans. intercommunicates burn be employ for everything such as pointing at an object for attention to conveying data about space and lay characteristics 1. Biologists define gesture, as the notion of gesture is to embrace all kinds of instances where an individual engages in passments whose communicative intent i s paramount, manifest, and o spellly acknowledged 2.Gestures that atomic number 18 related with row are called gesticulation and gestures that are independent from speech are called autonomous gesture. Autonomous gestures reach its own communicative language such as Ameri bottom of the inning marking Language (ASL) as well as motion commands. There are legion(predicate) other types of gestures such as Semiotic communicating meaning, Ergotic manipulating objects and epistemic groping. There are six types of semiotic gestures and they are Symbolic (arbitrary), Deictic (pointing), Iconic (descriptive), Pantomimic (use of invisible objects), Beat (indicating flow of speech) and Cohesive (marker indicating related topics) 3.Symbolic or Arbitrary gestures are gestures that potbelly be learned yet are not common in a culture setting and can be very useful because they can be specifically created for use of device aver. An example is the set of gestures employ for airport plane c ontrol. Deictic gestures are used to point at important objects and these gestures can be specific that refers to one object, in general that refers to class of object, or functions that symbolize intentions. An example is a ingenuous good deal gestures such as pointing to ones mouth when he or she is hungry.Related TechnologiesToday, at that shoot for exist many image-based or device-based hardware techniques, which can be used as touch interface. For example, an image-based technique can detect gesture by capturing pictures of drug users hand motions gesture via television camera. The captured image is then sent to electronic computer-vision software, which tracks the image and identifies the gesture. For instance, television sets that can be controlled by hand gesture instead of a international control have been developed 4 5 6. Basically, to turn the TV on, the user raises his open hand and the computer recognizes the gesture, which in return turns the TV on.Device-based techniques such as instrumented gloves, stylus and other position trackers have been developed, which recognize the movements and send the signals so that the governance can infrastand the gesture. For example, Dexterous Handmaster 7 developed in 1987, initially used to control robot hand, which was very accurate but was not suitable for rapid movement. forefinger Glove 7 developed in 1989 by Mattel, which was resistive ink sensors for finger position, plus ultrasonic tracking and the Space Glove 7 developed in 1991, which was a plastic rings around fingers. Other gloves such as 5DT Data GloveTM 7, SuperGlove 7, Pinch Gloves 7 and CyberGlove 7. However, the latest in computer technology is the G-Speak Gestural Technology remains 8, a glove which is faster and easier to use compared to mouse and keyboard and using it one can move anything anyplace on the screen.At present, there exist many products, which are closely related with the hypothesis of this thesis. For example, the G yroPoint is a product of Gyration, Inc. in Saratoga, CA 9 10. The device can operate in two different modes. First, it can operate as a regular mouse and second, it can operate in the air (3D). Another example, the Bluewand, 11 which is a small pen-like device used to control Bluetooth enabled devices by hand-movements. Basically, a 6-axis accelerometer and gyroscope system detects devices full direction and movement in space. Bluewand can be used with verity of applications such as remote control for TV-set, cell-phone, MP3-player, etc.Overview of the Technology (Touch Interfaces)The ability to touch a computer screen and contain objects or control is a advance way of discourse between human and computers and due to this advancement many types of touch system is developed such as point-of-sale systems, to information kiosks, to electronic whiteboards, iPod, iPhone etc. However, these systems have different ways of implementation in different applications. For example, using a de sktop display for touch input as well as pen input, recognizing finger for touch on the screen. Other ways of implementation are such as Gesture recognition is a process through which a computer can recognize human gesture.Such interaction can make interface with computer to a greater extent findible and expressive for both the physically impaired and for young children who might find this type of interaction more ingrained. Gestures can be used in applications such as word processing, hand sign language, games, entertainment and educational approaches. There are other forms of gesture recognition than hand gestures. For example, finger pointing a way to select or move objects around, face tracking, eye motion and lip reading, etc.Technology that implements gestures has the ability to change the way humans interact with computers by eliminating input devices such as joysticks, mice and keyboards. Lots of conventional whole-hand input devices creates interface using non-contact met hods or through some physical medium and such interfaces often of necessity contact of the men and fingers with a hard, firm surface. As displays get larger, multi-user interaction is important as well as the ability to recognize two or more synchronal inputs. As a result, wall-size touch displays became important for users as it enables to work with computer application and in the future human-body sized interfaces will become a natural way of interaction with the multiple users.Other related system is A Camera-Based Touch Interface for Pervasive Displays 13 developed by Gerald D. Morrison. Basically, the system contains smart camera in the corners of a 17-foot-wide wall display to determine the location of an object in front of, or in contact with, the display. The main object the users finger and the collected image are processed in such a way that it can recognize various attributes of the objects, such as location relative to the display in three dimensional space. The inform ation sent back to computer which generates the display, enabling touch control.Advantages of such systemMany companies have established research centers all over the world to conduct research in developing new technologies. They emphasizes on managing its process in come out to deliver product that are cheap and fast maintaining a good Information Management strategy. Manipulation of information using different applications and technologies became a potential information overload for many similar companies.Hence taking advantage of the new advance technologies to manage and maintain the information overload. Other advantages are such as having to interact with software application more closely compared t traditional ways of interactions. The term software was used in the ahead of time days of the software engineering field. It was used to describe how the rapid increase in computational power and the complexity of problems which now could be tackled. It refers to the difficulty o f make-up correct, understandable and variable computer programs. Having touch interface will help developer to interact with developing tools to developed advance software application.Today in the twenty-first century software is every where imaginable, when you check out at the grocery store, using a credit card, driving your car or listening to practice of medicine in your new MP3 player merely to name a few. Software development has undergone a change from its early days, the awareness of the software crisis has forced engineers to engineer the problems by various processes and methodologies and the industry are realizing that changing to more competent ways of communicate with computers lead to better products with higher quality and reduced costs. However, there is always a problem that the tools and techniques invented today will take aim time to mature, to be introduced into industry. The auspices implications of the system will be strong in set out to assure safety for both the user and the system using finer print recognition. The main pledge issue such as data access must be implemented in such a way that the privilege given to the user is controlled and manipulated. Controlling the web- search habit such as browsing illegal or un requireed web sites need also to be controlled, hence providing user access to email, web sites using password and encryptions is essential.Keeping dispatch the malicious users from accessing valuable company information and other external information that can be used against the company stuff and the company authorities needs to be taken under consideration. Sending emails and other attachments must be allowed according to hierarchy of access permissions. Other issues that need to be taken under consideration are such as the network password and security tokens needs to be changed constantly and most off all securing the connection to topical anaesthetic devices that are connected to the network such as print s ervers and touch screen connected printers.Routers and switches should be organize and reared as securely as practical and web based configuration should be disabled as well as network access to the devices should be limited to the Grenada networks. To have a perfectly feasible operation and conduct the most proper ethical business functions is the first priority for most companies and businesses. The most critical issue related with IT is IT security where the objective is to take effective measures to decrease the threats exist today in IT related business such as e-commerce. Today, most companies prefer electronic information over traditional ways of storing and manipulation of information.Data are stored in huge database and process using different front-end softwares form anywhere in the world. IT security is made up of three main categories and they are Confidentiality, Integrity and Availability. Confidentiality is when company or an organization has sensitive information and does not want to disclose such information to anyone outside the company. Integrity is when companies want to update the system to adapt to future needs. As for availability, it is when a business implements a system it needs to make sure the system is up and running when needed. Threats such as customers information can be disclosed which can affect the credibility of any company companys information can be hacked by illegally, etc.There are many ways to improve the correct securities such as protecting data and information using different sophisticated firewall software, understanding threats and its impact in order to be protected forms it, calculating risk and deciding how to eradicate such risk. There are two basic ways to improve security and they are laughingstock Up and Top Down. Bottom Up approach is not that precise but in order to implement such approach it is advisable to flop understand company policies, network topology and companies operating procedure. Top Down approach is methodical and more precise compared to Bottom Up approach but is slow and expensive.The main advantages of the touch interface are that it is centralized where it can access its information from using human touch. Therefore, if there are any security issues it can be dealt with using by tracking the finger-print. It is also flexible and scalable enough for new technologies to integrate with the system. Many flexible system and architecture can be designed so that it can be interoperable making all components work together in a synchronized fashion. This system can be used to backup critical information which is vital for both the system and the end-user.ConclusionAs the information age advanced the need for computers became a daily part of human career. Computers have emerged from early abacus, papyrus and ENIAC to todays main frame computer and super computers that can manipulate huge amount of information across the globe. The use of Touch screen was discovered by military in order to share information and after the first dial up connection the use of touch screen became popular amongst local public. Today, computers are the most essential part of human life starting from basic calculators to storing and manipulating of terabits of information.Use of Touch screen is mostly possible if one uses computers or other devices such as mobiles. Need for speedy information has become an important issue in todays business. Using such devices Touch screen caused a revolution in our society. Peoples shopping mood is also changing because of Touch screen. Selling products over the touch screen is cheap, fast and easy for both the company and the customer. Hence issues such as hiding and ethics are most important and needs to be concentrated on by the governments and education institute. Many of the ethical issues involve privacy. For example, privacy concerning electronic mail uses by the employees, head office of a company and individuals. System such as malleable surface interface 12 can be used in applications that require physically touching the screen and its objects performed by the human hands or finger, such as sculpting and massage.Even though, many touch technology systems are suitable for small displays such as iPod, iPhone, the system can be also used in big screen such TV, or instantly interacting with the pc monitor. This way of communication is very attractive because they are more versatile than other input devices as well as can be made inexpensively. While touch sensing is very common but having multi user interaction has become more essential. Having to interact with a system with more than one finger at a time useful for larger interaction scenarios such as interactive walls and tabletops. Many researchers experimenting with a wide categorization of application scenarios and communication modalities that utilize multi-touch input.It is a rich area for research, and has potential for advances in efficiency, u sability, and intuitiveness of the future UI designed. Today there exist mobiles with touch screen and concussion interfaces as compared to those with button, thumbwheel, trackballs, and stylus etc interfaces. The traditional ways of interaction for example using buttons, and cognitively arbitrated by the need to roll a wheel to scroll the pointer focus kept us distance with the technology invented. Hence, to touch something would be to minimize the distance between human and the computer. Using gesture similar to Nintendo Wii, is a breakthrough in advancement of GUI.Other devices such as LG Prada, HTC phone and Apple iPhone help us to use our fingers to feel the system rather just using the system. The touch system is already been used in wireless devices successfully. Wireless communications offer organizations and users many benefits such as portability, flexibility and raze installation costs. Wireless technologies cover a broad range of capabilities toward different uses and needs. Wireless local area network (WLAN) devices, for instance, allow users to move their laptops from place to place within their offices and homes without the need for wires and without losing network connectivity. However, risks are natural in any wireless technology. The most significant source of risks in wireless networks is that the technologys underlying communications medium such as the airwave, is open to intruders.Having touch screen developers and interact and develop application using advance GUIs. Today, touch screen technology is used everywhere to cut down cost as well as speed up the development process by keeping the quality of the application insured. Touch screen based development helps to build software applications by connecting multiple components together which are produced independently.In order for this communication to take place we must have an interface between the components in such a way that is helps to develop the overall application as well as imp lementing it in the future applications. However, it is the compatibility between connected component interfaces that determines the success of the implementation of the components. To be precise, an interface is made of number of operations which can be manipulated by the user. The operations play a vast role in implementing the interface and use of the interface by the client or the user.Today, earnings is a good way of doing business and use of internet is constantly increasing. Improving the GUI and converting to touch screen will become very important in the future for the use of World Wide Web because it helps to communicate globally and deliver products to customers who can not purchase the products. It also helps to increases advertising and by providing one to one marketing. E-commerce is a very easy way of gathering information form its customers or potential customers. One of the biggest advantages of using the internet is its efficient ways of reducing warehousing and i nventory. A Company needs a network that provides fast and efficient way to manipulate its information.Compared to its traditional manual file system accessing, touch screen will provide information with speed, accuracy, and accessibility. A sophisticated design of the system will allow access from anywhere in the world which helps to manipulate and send information through the world. Hence, the touch screen is certain in assuring speed, data reliability, cheap and strong security. However, it is extremely reliable and main important thing is that no extra input device is needed.Touch screen gives fast and superior performance which is sufficient for file sharing, gaming, and high-speed access. As for security, touch screen will have software application that recognizes finger print. Traditional GUI and access can be three or four times expensive compared to touch screen. A both traditional ways and touch screen can be a good pickax for any company depending on the difficulty of accessing the information the company. However, touch screen is easier to install, more reliable and mobility is excellent where as traditional is more difficult to install with limited mobility.Reference1. A Brief Overview of Gesture Recognition by Charles Cohen. http//homepages.inf.ed.ac.uk/rbf/CVonline/LOCAL_COPIES/COHEN/gesture_overview.html Accessed 7th, Nov, 20072 Jean-Luc Nespoulous, Paul Perron, and Andre Roch Lecours. The Biological Foundations of Gestures Motor and Semiotic Aspects. Lawrence Erlbaum Associates, Hillsdale, MJ, 1986.http//homepages.inf.ed.ac.uk/rbf/CVonline/LOCAL_COPIES/COHEN/gesture_overview.html Accessed 7th, Nov, 20073. GESTURE BASED INTERACTION Steven Damerhttp//www-users.itlabs.umn.edu/classes/Fall-2004/csci8980-1/slides/gesture.pdfAccessed 7th, Nov, 20074 Computer Vision for Computer Interaction SIGGRAPH Computer artistic production magazine, November 1999 W. T. Freeman, P. A. Beardsley, H. Kage, K. Tanaka, K. Kyuma, C. D. Weissman. Also available as MERL-TR99-36.5 Computer Vision for Interactive Computer Graphics IEEE Computer Graphics and Applications, Vol. 18, No. 3, May-June 1998 W. T. Freeman, D. B. Anderson, P. A. Beardsley, C. N. Dodge, M. Roth, C. D. Weissman, W. S. Yerazunis, H. Kage, K. Kyuma, Y. Miyake, and K. Tanaka. Also available as MERL-TR99-02.6 Computer Vision for Computer Games In 2nd International Conference on Automatic Face and Gesture Recognition, Killington, VT, USA. IEEE. W. T. Freeman, K. Tanaka, J. Ohta, K. Kyuma . Also available as MERL-TR96-35.7 Gesture Based Interaction Steven Damerhttp//www-users.itlabs.umn.edu/classes/Fall-2004/csci8980-1/slides/gesture.pdfAccessed 7th, Nov, 20078 Gesture Glove Not Science Fiction LOS ANGLEES, Aug. 23, 2005 http//www.cbsnews.com/stories/2005/08/23/eveningnews/main792311.shtmlAccessed 7th, Nov, 20079 An Evaluation of Two gossip Devices for Remote Pointing Scott MacKenzie and Shaidah Jusoh http//www.yorku.ca/mack/ehci2001.pdf Accessed 7th, Nov, 200710 Gyration, Inc., Saratoga, California.http//www.gyration.com/ Accessed 7th, Nov, 200711 Bluewand. A versatile remote control and pointing device Thomas Fuhrmann , Markus Klein, and Manuel Odendahlhttp//i30www.ira.uka.de/research/documents/p2p/2003/fuhrmann03bluewand-KiVS.pdf Accessed 7th, Nov, 200712 Florian Vogt, Timothy Chen, Reynald Hoskinson, Sidney Fels A Malleable Surface Touch Interface Human Communication Technologies Laboratory The University of British Columbia http//hct.ece.ubc.ca/publications/pdf/vogt-chen-hoskinsin-fels-SIGGRAPH2004.pdfAccessed 7th, Nov, 200713 Gerald D. Morrison A Camera-Based Touch Interface for Pervasive Displays SMART Technologies Inc., 1207 11 Ave. SW, Suite 300, Calgary, AB, Canada T3C 0M5 http//ubicomp.algoritmi.uminho.pt/perdisplay/docs/Morrison-Camera%20Touch_SV_Rev1.pdf Accessed 7th, Nov, 2007

House of Lords Reform Essay

firm of Lords Reform EssayHouse of Lords Role and PowersIn comparison with the House of Commons, the House of Lords forcefulnesss atomic number 18 restricted. Their political lap is owed more to convention and tradition. The House has no influence on any bills relating to political sympathies finance and although it has the authority to stall any acts of parliament for up to a year, the Commons can cite the Parliament transaction 1949 an act introduced by childbed that effectively re behaved the delaying privileges of the Lords to swiftly defeat any motion.How forever, the Lords do break the jurisdiction to veto any bill that may prolong a establishments tenure in office. Each government can only rule for five dollar bill years without a general election. Therefore, the Lords can block any move by the Commons to extend a regime beyond their legal term. Incidentally, this power has never been used in practice.The Lords make a valuable contribution to improving the quality of legislation in parliament. 50 60% of the chambers while is devoted to the revision of Commons bills. During the 2007/08 parliamentary session, the Lords tabled 7,259 amendments to draft bills of which 2,625 were accepted by the Commons. These included the Counter Terrorism Bill which outlined plans to revise the period of cartridge clip emf terrorism suspects could be detained in custody without charge. The proposal was rejected by a majority of 192.The Lords have the capacity to dedicate time to in-depth interrogation of proposed bills. This allows the Commons to take a back seat role and concentrate their efforts on MP constituency responsibilities and other issues. Consequently, many of the to the highest degree thorough and full create amendments find their origins in the House of Lords. In fact, it has been struggled that the Commons abuse the Lords time and expertise in order to rework incompetently contrived bills.The Lords posses equal powers on matters concerning Private Members Bills. In plain terms, like the Commons, they too can reject them outright. In 2005, Lord Joffe proposed a bill that legalised assisted suicide in the part of terminally ill individuals. This involved doctors having the discretion to prescribe patients with a fatal dose of medication. However, the bill was fervently opposed on moral grounds and after overcome.Like their counterpart, the Lords is also safe guarded by parliamentary privilege. This means that the chamber is exempt from libel allegations and therefore permits helpmates the liberty of free speech in spite of break through and throughance parliament.Legislative procedures aside, the House of Lords plays an of the essence(p) role in scrutinising the actions of parliament. This scrutiny takes the form of questions to ministers, debates in parliament and committee work.There is no Lords equivalent to Commons Questions Time. In its place, time is allocated at the start of each days session for questions to the Lords ministers. During the 2007/08 parliamentary session, 595 oral questions were put forth whilst 5,814 oral written questions were lodged.Debates in the chamber are reflective of the diverse membership of the house. Generally, they are said to be more civil than those that take place in the Commons. Furthermore, although close up evident, party allegiance does not carry the same weight. The content of the issues discussed are said to be far more deliberated and comprehensive than those in the Commons. This can be explained by the caliber of model the Lords can boast. The 2007/08 parliamentary session featured 80 general debates ranging from disputes about the state of the armed forces to the current economic molduation in the UK.The House of Lords exhibits a number of committees globally acclaimed for their expertise. The coveted European Communities Committee is held in high regard and compliments the less detailed studies conducted by their Commons counterpart. The Sc ience applied science Committee, founded in 1979, was responsible for a damning report in 2007 on e-crime. The review examined the role the internet has played in increasing crime levels, play up the dangers of online depravity and advised the government of the preventative measures that needed to be put in place. In 2005, the Lords Constitution Committee produced a report on the potential introduction of ID cards and concluded that it threatened to destroy the harmony between the state and citizen.As of October 2009, the judicial powers of the House of Lords were removed when the Constitutional Reform Act 2005 was brought into practice. Prior to this, the chamber was considered the highest court in the United Kingdom and was traditionally the court of appeal for all civil and criminal cases. Justice was administered via the Law Lords the countries most higher-ranking judges. However, with the creation of a new United Kingdom Supreme Court, the judicial role of the Lords was eff ectively rendered void.Composition of House of LordsIn 1997, Tony Blairs drive government came to power and immediately pledged to make the House of Lords more democratic and instance of the electorate. Up until this point, the chamber had comprised of life peers who had been honoured with their seat due to outstanding achievements in their field of work and the traditional hereditary peers who ascended to their position through birth.Due to the massive prevalence of butt iodined-up supporters amongst hereditary peers prior to 1999, there existed an ingrown Conservative majority within the entropy Chamber of parliament.The House of Lords Act 1999 sought to fulfil the grok partys 1997 manifesto commitment to remove the right of hereditary peers to sit and vote in the House of Lords. The Act served to remove more than 600 hereditary peers from membership. Consequently, this created greater equality between the Conservatives and Labour, leaving the balance of power being held by t he cross-benchers and the Liberal populists. There was no longer a single party who dominated the House.This change in composition is reflected when comparing House of Lords Membership in January 1999 to that of November 2009. In January 1999, prior to the Acts ratification, the Conservatives had 473 peers sitting in the second chamber. As of November 2009, there were only 190 active Conservative peers. In stark contrast, in January 1999, Labour had 168 peers within the House. This figure had risen to 212 by November 2009 and therefore emphasises the close parity now in operation between Labour and Torypeers. The number of Liberal Democrat peers has remained consistent. In 1999, the party had 67 peers. This figure had increased marginally to 71 by 2009. The removal of hereditary peers also resulted in a significant assoil in cross-bench peers. In 1999, there were 310 working in the House. By 2009, this number had reduced to 183.The composition of the chamber has also been altered b y the increasing numbers racket of life peers derived from common social standing. Whilst hereditary peers are traditionally bourn of upper class backgrounds, life peers offer a more socially representative alternative. However, it must be noted that despite this discrepancy, class issues still remain. In order to offer a life peerage, recipients will generally have achieved something of special(prenominal) repute. Therefore, by the time peerage is granted, it is highly unlikely that the individual will be still considered of lower social standing. In turn, this severely hampers the chances of the chamber ever becoming a socially representative mechanism of the United Kingdom.The terms of the House of Lords Act 1999 has also increased the role played by fair sex within the House of Lords. In 1990, 80 women held peerage within the House. By November 2009, as a result of the changing composition, there were 148 women sitting with the Lords. This shows an increase from 7% of the tota l membership to 20 % of the total membership in just under two decades.The present day House of Lords is evidently different from that one that existed before Labour came to power in 1997. Its composition has been transformed in comparison with the Conservative stronghold that was in place pre meliorate and it now promotes a far more equal representation of political allegiance, gender and social status. More significantly, the vast majority of members are life peers and not hereditary peers.The Reforms docketStage two of the Labour Governments plans to crystallise the House of Lords involved the consolidation of Stage One the removal of hereditary peers. It was designed to bolster and strengthen the move to a second chamber based purely on appointment. The idea was that the reforms would create a more representative chamber based on the votes a political party had acquired at the previous general election.Stage three of the reforms agenda outlined proposals for an expansive ref orm of the House of Lords. In theory, the government had expect that the successful implementation of an all-appointed second chamber would allow for more fundamental reforms to be made in order to stabilise the Lords position in Parliament. Secondly, the government planned to introduce a wider programme of constitutional change within the House. This hinged entirely on the success of the stage two reforms in ensuring the House of Lords keep its legitimacy.Jack Straw, the secretary of state for justice, recently claimed that the reforms of 1999 dramatically changed the House of Lords for the better. However, many would argue this is not the case. Ultimately, the Labour government has failed to deliver on its promise of a wholly elected second chamber.In 2007 the House of Commons voted in favour of reforms leading to a 100% or 80% elected second chamber. This proposal was rejected outright by the House of Lords. Despite the governments insistence that the reforms would be pushed thr ough using the will of the Commons, two years have since passed and the in-house squabbling still rages between those in power. This is the frank nature of the reforms debate.An unelected second chamber with no direct link to the people raises serious questions of legitimacy. The body itself is fundamental to the making of legislation. The Labour Party has been in power for close to 13 years and it has achieved very little. The successful implementation of Stage one of the Lords reform programme now appear as substantial as a gentle breeze. Despite overwhelming public favour for reform of the Lords and numerous votes for a fully elected chamber, Labour has not pushed through the reform agenda its 1997 manifesto guaranteed.Unfortunately, the governments plans have not came to fruition.. It looks likely that it will remain that way for the foreseeable future.SourcesJones, B. Kavanagh, D. Moran, M. and Norton, P. (2007), Politics UK, 6th var.Norton, P. (2005), Parliament in British Po liticsRussell, M. (2000), Reforming the House of Lords Lessons from OverseasDirect Gov Website http//www.direct.gov.uk/en/index.htmThe Works of the House of Lords http//www.parliament.uk/documents/upload/HoLwork.pdfUK Parliament Website http//www.parliament.uk/index.cfmAppendixQuestions to MP regarding House of Lord Reforms1. Please can you explain the term the Poodle of the Prime Minister and its relation to Stage One of the House of Lords reform agenda?2. wherefore the change of heart regarding your stance on reform?3. Where do the Governments major failings lie in terms of not delivering on its 1997 manifesto promise to reform the House of Lords?4. Do you agree that an elected second chamber is an essential link to the people and not having one raises questions of legitimacy?5. There are those who argue that the restraining influence of the Lords is crucial to the efficiency of the UK Parliamentary system. Why do we need an elected second chamber?Follow up1. Philip Norton Lord Norton of Louth Conservative peer and professor of government at the University of Hull. From 2001 to 2004 he was Chairman of the House of Lords Select Committee on the Constitution. He has been described in The House Magazine the ledger of both Houses of Parliament as our greatest living expert on Parliament. Mr Norton is extremely lettered on the governments reform agenda and has written acclaimed publications on the matter. fortune as peer within the Lords, he would be able to give a view from the parapets.2. Gerald Warner Scottish newspaper columnist and political commentator. He is a former policy advisor to the British Cabinet Minister. His daily blog for the Daily Telegraph attracts widespread debate and he regularly writes of the need for reform within the House of Lords. Mr Warner would be a useful port of contact as he has been immersed in the politics for a number of years and through his daily blog activity would be able to transmit an accurate portrayal of British consensus on Lords reform agenda.3. Lord Hope Scottish imagine and Deputy Head of the Supreme Court of the UK. Lord Hope is a prestigious Law Lord and has served in the House of Lords in numerous important roles. It would be beneficial to gauge his reaction to the devolved judicial powers of the House of Lords now that the New Supreme Court is in operation.4. Jonathan Freedland British Journalist who writes a weekly column for the Guardian. Recently expressed his views on the need for an elected second Chamber of Parliament. Therefore, the issue is of great interest to him and he will be knowledgeable on the subject matter. Also, hes a young journalist who might be able to give a fresh perspective on the House of Lords.

Investigating Service User And Care Involvement Social Work Essay

Investigating Service User And C ar Involvement Social Work EssayIntroductionThe following surveil will dispute the issue of wait on drug user involvement in the political campaign/ deepen procedure. The refresh was compiled by the author at bottom a nineteen bedded forensic Mental Health unit. The ward was at full capacity at the time of writing this review.The process users all had different levels of rational illness, each with a different history, level of cognitive awareness, degree of institutionalisation and willingness to adapt and change. This review will assess to what extent religious good users are involved with the business c at a timern planning/ pouch planning process in the ward and give possible recommendations on how this process may be improved.The review will consist of an introduction, aims of the review, methods of data collection, findings on a series of questions and answers on the extent of do user involvement in the neglect process, conclusion s, and possible recommendations for change. It will conclude with a reflection piece. 148Aims of The suss outDuring this office the author decided on a subject to review, this subject was service user involvement in discharge planning. While collating information for the review some questions arose these questions wereDoes the service user feel included in decision devising?How does the lag involve the service user in the decision making if at all?Has discharge been discussed with the service user?These questions lead to the author constructing some key questions to carry out in the review these will be discussed get ahead in the findings. 91Methods use to Construct reviewThe data for the review was collected over a ten workweek period within the ward. The author consulted service users notes, attended multidisciplinary aggroup meetings and conducted a series of semi-structured, one to one interviews with service users and staff, including a consultant, doctors, ward manager , worry fors, nursing assistants and occupational therapists.A books search was also carried out using accredited databases including CINAHL and the British Nursing Index. Relevant journal articles were found on these databases using keywords such as service user, involvement and mental health services. Nursing research books were also used to gather information along with web sites underlining home(a) policies and object lessons for mental health nursing. one hundred tenFindingsHow are decisions made within the placement area regarding discharge planning?Throughout the weeks on this placement research was carried out by the author on policies and procedures for discharge planning. The one in particular that was found to be relevant was the Care Programme Approach (CPA). CPA is to the highest degree early identification of needs, subsidization of individuals or organisations to meet those needs in an agreed and co-ordinated way and regular reviews of progress with the patie nt and care providers. CPA is also about involving family or carers at the earliest point. The Care Programme Approach requires that patients should be provided with copies of their care plans and it has been increasingly common for patients who have been the responsibility of forensic psychiatrists to have copies of documents relating to their care. (DOH 2008).Systems were in place for door-to-door care planning. There was evidence to show that the service users social, educational and occupational needs were taken into account in the care planning process and otherwise specialist interventions were avail up to(p).In addition to this, in some cases, discharge planning was evident from an early stage (not long after admission), although in other cases a few months had elapsed before any document noted those discussions. Discharge planning is enhanced by the Care Programme Approach (CPA) a multi-disciplinary care planning systematic approach that involves service users and their ca rers. Care Programme Approach is the framework for care co-ordination and resource allocation in mental health services. Decisions for discharge are made through the multi-disciplinary team which consists of consultants, ward manager, nursing staff, occupational therapy and social workers. This will go forward to a tribunal where the service user will be invited to take part, here all the evidence will be put forward and a decision will be made. If the service user is restricted accordingly the decision will be made by the First Minister.Most service users have long term mental health problems and complex social needs and have been in contact with mental health services for more(prenominal) than twenty years so neer think about discharge. Being in hospital for so long has become part of their lives so service users see it as pointless creation discharged, what would I do 360What decisions/involvement does the service user have in this process?Service users are encouraged to be fully involved in all aspects of their care as far as they are satisfactory to. Service users past and present wishes should be taken into account, their views and opinions with regards to their treatment plan mustiness also be recorded, as stated in the Mental Health (Care and intercession) Act 2003. The principles of the act underpin any decision made relating to a detained service user in Scotland. The Milan Committee devoted a chapter in the act that referred to high risk patients it stated that service users should have the right of appeal to be transferred from a high or medium see facility to that of a facility with lower security conditions. (Mental Health Care and Treatment Scotland Act 2003). in spite of appearance this placement care and treatment plans are reviewed on a regular basis. Service users are expected to meet with their key worker and other team members on a regular basis, care plans are reviewed at these meetings and a mutual agreement will be decided, on the best way forward, once the care plan has been agreed by all the service user has to adhere to the care plan.Service users have the opportunity for regular one-to-ones with their key workers (weekly basis) or more regularly if they require. Service users have the opportunity to put forward their thoughts on discharge and any other aspect of their care at the review, such as their rights beliefs and their right to a tribunal (The Human Rights Act 1998).The review takes place every four months, again this is a multi-disciplinary meeting and service users are invited to attend with the support of advocacy or someone of their choice. The Human Rights Act 1998 gives legal effect in the UK to certain fundamental rights and freedoms contained in the European throng on Human Rights (ECHR). These rights not only affect matters of life and death like freedom from torture and killing, but also affect your rights in customary life what you can say and do, your beliefs, your right to a fair trial and legion(predicate) other similar basic entitlements.During the time spent on this placement it was noted that service users and key workers met at the beginning of the week to discuss how they felt things have been for them, the service user has the opportunity to discuss what changes they would like to happen, this is then recorded in the service users notes and taken forward to the clinical team that week where it would be discussed if any changes in care and treatment would take place, the service user is then informed of any changes and decisions made. The opportunity arose for the author to take part in these weekly reviews, during this one-to-one time most service users were able to express their thoughts and feelings about issues they had encountered that week and describe what therapeutic strategies they used to get through it.The service user will be provided with a copy of the Treatment Plan Objectives, or informed in detail of the contents of the treatment plan , in the event that any learning or specific reading or language difficulty information should be provided in a way that is most likely to be understood.Arnstein (1969) constructed a course of participation which described eight-spot stages of user participation in services, including mental health. These stages ranged from no participation to user controlled services. The above service users would be placed on the 6th rung of the ladder in the partnership range as they agree to share planning and decision-making responsibilities.599Does this placement area reflect its practice on local or national policies regarding service user involvement in discharge planning?When asked their views on the subject the Ward manager and senior nursing staff presented documentation which reaffirmed authoritative practice within the ward. The Ten Essential Shared Capabilities (ESCs,) he explained was the model now being followed on the ward, has just been implemented into this area of placement w ithin the last two years, which the ward staff have adopted well by providing a person-centred approach as much as possible. This new person-centred model embraced the ethos of the above, and senior staff stressed that good practice dictated that service users have the opportunity to appropriately influence delivery of care and support. A review of policies and procedures as well as discussions with staff provided evidence that the policies were actually in place.Throughout the placement, the author noticed that efforts were being made all the time to nurse according to the new model. Included were regular one to one sessions between nurses and service users to hear their views and thoughts, these already took place before the ESCs were introduced. Moreover some staff do find it difficult to adopt the ESCs and the mental health act due to the restraints of the environment (secure ward), however they are prepared to embrace the opportunity for further education and support.226Identif y barriers and constraints.While on placement and conducting this review the author noted that one of the barriers to effective involvement came from some of the service users, due to the complex nature of the area the service users had become institutionalised and found it difficult to be thinking about discharge at this stage in their lives, so they just accept the way things are and do not get too much involved as far as care plans are involved and just say what they think the staff want to hear.In secure settings engagement of service users in perspicacity and treatment can be difficult, as there is a potential risk of perceived coercion.Moreover with the lack of medium secure facilities around this can hinder service users from contemptible on within the specified time limit agreed, as there are no provisions.. 138Recommendations for DevelopmentMost service users were more concerned about their futures and life post discharge. They wanted their time between now and then to be concerned with preparing them for discharge. It was frustrating for many service users that they felt that little in the way of such preparation was taking placeHigh secure units should ensure that at the point of discharge patients have a copy of their discharge care plan in a suitable format which includes appropriate information about the circumstances that might result in their return to secure mental health provision.However a recommendation that high secure units should ensure that factors to be weighed in assessing relapse are part of the risk assessment included in the discharge plan of all patients.The National Service Framework for Mental Health states that Service users and carers should be involved in planning, providing and evaluating cooking for all health care professionals (Department of Health, 1999). This is the case in most health care provisions but for more education, training and information to be more readily available.Strengthening the user perspective and user involvement in mental health services has been a key part of policymaking in many countries, and also has been encouraged by World Health Organization (WHO) in order to establish services that are better tailored to peoples needs and used more appropriately..174ReflectionIn this review, I need to reflect on the situation that took place during my clinical placement to develop and utilise my interpersonal skills in order to maintain the therapeutic relationships with service users. In this reflection, I am going to use Gibbs (1988) Reflective Cycle. This model is a recognised framework for my reflection. Gibbs (1988) consists of six stages to complete one cycle which is able to improve my nursing practice continuously and learning from the experience for better practice in the future.During the first week of placement I was encouraged to work closely with my mentor. This gave me the opportunity to orientate myself to the ward and get an overview of the needs and requirements of the service users. This also provided me with the chance to observe how the nursing team worked on the ward. During this time I have learned that if the concept of interprofessional working is to succeed in practice, professionals need excellent team working and parley skills. Good chat, as we have staged in our group work theory, is crucial in the effective delivery of patient care and poor communication can result in increased risk to the service users. I have learned the valuable skills required for good communication and will transfer these into practice by adapting to the local communication procedures. The NMC advices that at the point of registration students should have the necessary skills to communicate effectively with colleagues and other departments to improve patience care (NMC, 2004).In conclusion of my reflective assignment, I mention the model that I chose, Gibbs Reflective Cycle(1988) as my framework for my reflective piece. I state the reasons why I am choosing the model as well as some discussion on the important of doing reflection in nursing practice. I am able to discuss every stage in the Gibbs (1988) Reflective Cycle about my ability to develop my therapeutic relationship by using my interpersonal skills with service users for this reflection. 369

Analysis of the Doppler Effect

Analysis of the Doppler EffectAssignment 3 topics and themes in physics- oscillations and wavesDoppler radiolocationA Doppler radar is specialized radar that uses the Doppler Effect to produce data rough an objects velocity at a given distance. Doppler radar works by spring microwave signals at the desired target and whence listening to its reflection, then the returning relative frequency is analysed to see how it has changed from the original signal. This variation gives direct and highly unblemished measurements of the radial component of a targets velocity relative to the radar.The Doppler effect (or Doppler shift), named after the famed Austrian physicist Christian Doppler who proposed it in 1842 and is the difference among the spy frequency and the emitted frequency of a wave for an reviewer wretched relative to the source of the waves. It is commonly heard when a vehicle sounding a siren approaches, passes and dulls from an observer perspective.When a wave with angul ar frequency and phase velocity c propagates in a medium, an observer pitiable with velocity v par totallyel to c experiences a shifted frequency 1 = (1 v/c) (1). They do not dep decision on the relative velocity as other circumstances do occur. electromagnetic waves shargon with sound the same property which is propagation velocity. It is independent of the move of the source . Einstein formulated his extended principle of relativity stated that all physical and electromagnetic forces should depend on relative velocities. From this he created Lorentz transformation.Sound vs. LightThere atomic number 18 three differences between acoustical (sound) and optical (light) Doppler make The optical frequency change is not dependent on which is moving the source or observer either is it affected by the medium by which the waves are moving, but acoustical frequency is affected by these things. Optical frequency changes are affected if the source or observer moves at proper(a) angle s to the line connecting the source and observer. Observed acoustical changes are not affected in such a situation. Applications of the Doppler phenomenon include the Doppler radar and the measurement by astronomers of the motion and direction of celestial bodies.Light itself travels at 186,000miles a second (, but unlike sound light doesnt need to travel through a medium. Whereas sound cannot be transmitted into space light can be in the form of radiation and similarly a form of energy that is prescribe through a vacuum. The Doppler effect of light is more commonly known as the relativistic Doppler Effect.The Doppler Effect In AstronomyIn astronomy, the Doppler Effect was in the first place studied in the visible part of the electromagnetic spectrum. Today we can the see the use of the Doppler shift(Doppler effect) applies to all parts of the electromagnetic spectrum. Also, because of the inverse relationship between frequency and wavelength, we can describe the Doppler shift in terms of wavelength. Radiation is red shifted when its wavelength increases, and is blue shifted when its wavelength decreases.Astronomers use Doppler shifts to work out rattling accu positionly at what rate stars and other astronomical objects are moving towards or past(predicate) from Earth. For example the spectral lines emitted by hydrogen gas in distant galaxies is often observed to be considerably red shifted. The spectral line emission, normally found at a wavelength of 21 centimetres on Earth, might be observed at 21.1 centimetres instead. This 0.1 centimetre redshift would indicate that the gas is moving away from Earth at over 1,400 kilometres per second (over 880 miles per second).The red shiftAs an object moves further away from an observer the light waves emitted are affected by the Doppler Effect.In 1923, American astronomer and physicist Edwin Hubble (1889-1953) observed that the light waves from distant galaxies were shifted so some(prenominal) to the red end o f the light spectrum that they must be moving away from the Milky Way, the coltsfoot in which Earth is located, at a high rate.(10)After these finding he then furthered his studies and came up with a mathematical formula in which he could determine how far away and at what rate they were moving away from the galaxy and how far towards the red shift. This formula is known as Hubbles constant. From this a lot of other astronomers cod come together and came up with the theory that the population emerged instantly in a sort of bang, therefore coming amount the big bang theory. My research of galaxies the sun itself contains helium. This is proven as on the spectrum case there are black lines in which the sun has absorbed light through the heliumThe Doppler Effect in aerospaceSonic booms, commonly produced by airplanes notch through the sound barrier, are another example of the Doppler Effect. As a plane approaches the sound barrier the sound waves become increasingly compressed at the front of the plane. Pilots have also reported that they feel noticeable wall or barrier as they approach the vivify of sound, and this is due to this intense compaction of the sound waves. When the plane reaches the speed of sound, and passes through, it is said to go supersonic. There have been high speed photos taken of high velocity objects such as planes and bullets approaching, then breaking through the sound barrier. In these, the compression of the sound waves are clearly shown in the front, with the concomitant lengthening at the rear, just as would be expected by the Doppler Effect.Doppler Navigation System uses the Doppler effect to measure an aircrafts ground speed and heading. The Doppler radar functions by continuous measurement of Doppler shift and converting the measured set to groundspeed and drift angle. In early systems the aircrafts departure point was loaded into a navigation computer, which then converted the aircrafts heading and Doppler ground speed/dr ift inputs into a continuous display of aircraft position this was then displayed as latitude and longitude, and/ or as distance to go along track and position left or right of track, in nautical miles. Aircraft navigation systems such as these are very important because they are key in getting the aircraft from one placement to another safely. Doppler navigation is also one of the systems that air traffic controllers use, its allows then to see an aircrafts exact heading, air speed and altitude. This allows the aircraft controller to give curb aircraft in clear and uncongested air which significantly reduces the chances of in air collisions.DOPPLER RADARThe patrol also utilise the Doppler Effect in the form of Doppler radar to calculate the speed of passing car and to check whether they are obeying the speed limits. This technology is not only used by the police but also by meteorologists.The change in frequency experienced as a result of the Doppler effect is exactly twice the ratio between the velocity of the target (for instance, a speeding car) and the speed with which the radar pulse is directed toward the target. From this formula, it is possible to determine the velocity of the target when the frequency change and speed of radar propagation are known. The police officers Doppler radar performs these calculations then all the officer has to do is pull over the speeder and write a ticket.The development in Doppler radar has also helped to helped to eliminate aviation crashes associated with microburst. A microburst is a very localized column of sinking air caused by a small and intense downdraft within a thunderstorm. The crash Delta Air Lines Flight 191 , which a microburst was the primary cause for the crash of the Lockheed L1011 Tri-Star was key factor in the push for developing microburst detection system. As a result of the crash, planes are now fitted with Doppler radar as standard. It allows pilots to prepare for microburst and allows then to i ncrease power to the engines to stop the plane from crashing. The Doppler radar system of the plane is usually located in the planes ray dome.MeteorologyMeteorologists use Doppler radar to track the movement of storm by detecting the direction and velocity of raindrops or hail, for instance, Doppler radar can be used to determine the motion of waves and, thus, to predict weather patterns that will follow in the next minutes or hours. But Doppler radar can do more than simply detect a storm in progress Doppler technology also aids meteorologists by interpreting wind direction, as an indicator of incoming storms.Meteorologists use a similar principle to read weather events. In this case, the stationary transmitter is located in a weather station and the moving object being studied is a storm system. This is what happensRadio waves are emitted from a weather station at very specific frequency.The waves are large enough to interact with clouds and other atmospheric objects. The waves s trike objects and bounce back toward the station.If the clouds or precipitation are moving away from the station, the frequency of the waves reflected back decreases. If the clouds or precipitation are moving toward the station, the frequency of the waves reflected back increases.Computers in the radar electronically convert Doppler shift data about the reflected radio waves into more useful pictures which show wind speeds and direction.Doppler radars are also a lot more sensitive to movement of targets in general, whether they are moving towards or away from the radar site which things such as birds, insects, or just clouds when they are operated in certain modes. Doppler radars measure a targets velocity, which both is the speed of movement the direction that its moving. These types of radars allow meteorologists to see a lot of the in contingent movements that go on inside thunderstorms, this then allows the meteorologists to predict how those thunderstorms will yield in the f uture.Doppler EchocardiogramA traditional echocardiogram uses sound waves to produce fairly accurate images of the heart. In this procedure, a radiologist uses a transducer to transmit and receive ultrasound waves, which are reflected when they reach the edge of two structures with different densities. The image produced by an echocardiogram shows the edges of heart structures, but the down side it cannot measure the speed of blood flow as it makes its way through the heart. In a Doppler echocardiogram, sound waves of a certain frequency are transmitted into the heart. The sound waves bounce off blood cells moving through the heart and blood vessels. The movement of these cells, either toward or away from the transmitted waves which then results in a frequency shift that can be measured. This helps cardiologists determine the speed and direction of blood flow in the heart which is the most significant difference between the traditional echocardiogram and a Doppler echocardiogram.Tra nsverse and longitudinal waves A transverse wave is a moving wave that consists of oscillations occurring at right angles to the direction of energy transfer. If a transverse wave is moving in the positive x-direction, its oscillations are in up and down directions that lie in the yz plane. For transverse waves in matter the displacement of the medium is at 90 degrees to the direction of propagation of the wave. A ripple in a pond and a wave on a string are comfortably visualized forms of transverse waves. Examples of transverse waves include S (secondary) waves, and the motion of the electric (E) and magnetic (M) fields in an electromagnetic plane wave, which both oscillate perpendicularly to each other as well as to the direction of energy transfer.ConclusionIn conclusion this reports through my many hours of research, talks in detail about the history and the useful applications of it. Aircraft and aerospace engineering as they use Doppler radar is a very interesting and a wide range of applications and I have toughly enjoyed researching about it especially since these are topic areas which i am particularly interested and other practical uses with the speed guns used in the police force and also the sirens on the motor vehicles. The application of the Doppler Effect and its applications in aerospace are a very interesting subject and something which i very much look forward to looking and working on in am going into university.

Mycobacterium tuberculosis :: Essays Papers

Mycobacterium tuberculosis IntroductionMycobacterium tuberculosis has been present in the pitying population for thousands of years fragments of the spinal column from Egyptian mummies from 2400 BCE show definite pathological signs of tubercular decay. Called consumption, tuberculosis was recognized as the leading cause of deathrate by 1650. Using a new staining technique, Robert Koch identified the bacterium responsible for causing consumption in 1882. While scientists finally had a purpose for fighting the disease, they did not have the means to treat patients the spread of transmitting was controlled only by attempting to isolate patients. At the turn of the twentieth century, more than 80% of the population in the United States was infected before age 20, and tuberculosis was still the leading cause of death. The production of antibiotics in the 1940s allowed physicians to begin efficaciously treating patients, leading to huge drops in the death rate of the disease. Tubercu losis is still a major cause of mortality in young adults worldwide, but is less(prenominal) of a problem in developed countries.Microbiological characteristicsMycobacterium tuberculosis is a nonmotile, acid-fast, obligate aerobe. The bacilli are 2-4 um in length and have a very behind generation time of between 15 and 20 hours. The cell wall of the mycobacterium is unique in that it is composed mainly of acidic waxes, specifically mycolic acids. M. tuberculosis is unusually resistant to drying and chemicals, contributing to the ease with which it is transmitted.Encounter/EntryTuberculosis is transmitted by inhalation of aerosols containing the tubercle bacilli. The required inoculum size for infection is usually high, but easily occurs with exposure to a patient who is currently infected. The products of dried aerosols, droplet nuclei, are particularly infectious because they remain in the air for an all-inclusive time, and upon inhalation easily move to the alveoli. The severe d amage related to infection is caused by the reaction of the host. The tuberculosis infection has two phases, primary and secondary. Primary infectionPrimary tuberculosis is the initial infection of the host, usually being mild and asymptomatic. A healthy person recently infected with the mycobacterium may acquaint flu-like symptoms and has no reason to suspect tuberculosis. Left untreated, the bacilli infect and multiply within pulmonary alveolar macrophages, migrating to the hilar lymph nodes. An immune response is exhibited by the T-helper cells, and inflammation develops at multiple sites. A person may test positive in the tuberculin skin test at this point, and a chest x-ray may shows opacities in the lungs.

The Mortal Sin Of Pride Essay -- essays research papers

The Mortal Sin of overchargeIn The Cask of the Amontillado Edgar Allan Poe uses symbolism, imagery, and the tune to help fully explore the sinful nature of pride and its serious consequences inwardly the short story. The character of Fortunato is the main compression for the explanation of the dangers of being authoritarian of ones self. By examining Poes use of symbolism, images, and effective backdrops around Fortunato the reader may begin to understand the importance of the harmful sin of pride.Poe designedly explains to the reader early on within the short story, The Cask of the Amontillado, that Fortunato takes extreme pride in himself on his connoisseurship in wine (153). The theme of having an overwhelming aggregate of self-pride, one of the seven deadly sins, is projected as a weakness of Fortunato and foreshadows the ideal that this deadly sin of pride may very well tow to the means of Forturnatos own destruction. Fortunato Believes that his connoisseurship in wine (153) is far more developed and advance than anyone else in the area, especially Luchesi and Montresor. For example when Montresor offered to take his business to Luchesi because he, Fortunato, appeared to be pre-engaged in the enjoying himself within the supreme madness of the carnival (153) however, Fortunato replied with Luchesi cannot dictate Amontillado from Sherry (154). The reader may argue that Luchesi might have truly been... The Mortal Sin Of Pride Essay -- essays research papers The Mortal Sin of PrideIn The Cask of the Amontillado Edgar Allan Poe uses symbolism, imagery, and the atmosphere to help fully explore the sinful nature of pride and its serious consequences within the short story. The character of Fortunato is the main capsule for the explanation of the dangers of being prideful of ones self. By examining Poes use of symbolism, images, and effective backdrops around Fortunato the reader may begin to understand the importance of the deadly sin of pride.Poe deliberately explains to the reader early on within the short story, The Cask of the Amontillado, that Fortunato takes extreme pride in himself on his connoisseurship in wine (153). The theme of having an overwhelming amount of self-pride, one of the seven deadly sins, is projected as a weakness of Fortunato and foreshadows the ideal that this deadly sin of pride may very well lead to the means of Forturnatos own destruction. Fortunato Believes that his connoisseurship in wine (153) is far more developed and advance than anyone else in the area, especially Luchesi and Montresor. For example when Montresor offered to take his business to Luchesi because he, Fortunato, appeared to be pre-engaged in the enjoying himself within the supreme madness of the carnival (153) however, Fortunato replied with Luchesi cannot tell Amontillado from Sherry (154). The reader may argue that Luchesi might have truly been...