N21 Determining the Half-life of Thoron essays

N21 Determining the Half-life of Thoron essays N21 determining the Half-life of thoron Objective: To determine and investigate the half life of thoron The decay process of radioactive materials can be described by an exponential law. The equation is: Where f is the decay constant for the individual nuclei. N0 is the number of unstable nuclei at time t=0. Every radioactive nucleus has a definite time interval T1/2. That is the half-life. It is the number of unstable nuclei decreasing to half of original number. After the T1/2 , the number of nuclei reduces half and half. In the experiment, a thoron-air mixture is blown into an ionization chamber subject to a saturation voltage. Alpha-decay of the thorium emanation cause ion formation. This produce a current, whose ternporal progression is recorded with TY-recorder or oscilloscope. The current is the measure of the number of decays per time interval, and thus the recorded graph represents a decay curve. The experiment is to find out the half life of thoron. Radon-222 is the radioactive decay product of radium-226, which is found at low concentrations in almost all rock and soil. Thoron is the nickname for the isotope 220Rn of the element Radon. 220Rn has a 55 second half-life, much shorter than 222Rn(3.8 days). It is a noble gas generated by the decay of radium found in rocks and derived materials. It decays via alpha and beta emission through a series of short-lived progeny. It is not as common as radon in the environment. Indoors it is thought to contribute about 10% of the total airborne radiation dose. The thoron air mixture is blown into an ionization chamber. The alpha decay of thoron causes a current and records by a TY-recorder. The major error sources in the experiment is the environmental error. The environment erro ...

Always Remember That Java Is A Case Sensitive Language

Always Remember That Java Is A Case Sensitive Language Java is a case-sensitive language, which means that the upper or lower case of letters in your Java programs matter. About Case Sensitivity Case sensitivity enforces capital or lower case in the text. For example, suppose you have created three variables called endLoop, Endloop, and EndLoop. Even though these variables are composed of the exact same letters in the same exact order, Java does not consider them equal. It will treat them all differently. This behavior has its roots in the programming language C and C, on which Java was based, but not all programming languages enforce case sensitivity. Those that do not include Fortran, COBOL, Pascal, and most BASIC languages. The Case For and Against Case Sensitivity The case for the value of case sensitivity in a programming language is debated among programmers, sometimes with an almost religious fervor.   Some argue that case sensitivity is necessary to ensure clarity and accuracy  - for example, there is a difference between Polish (being of Polish nationality) and polish (as in shoe polish), between SAP (an acronym for System Applications Products) and sap (as in tree sap), or between the name Hope and the feeling hope. Further, the argument goes, a compiler should not try to second-guess the intent of the user and should rather take strings and characters exactly as entered, to avoid unnecessary confusion and introduced errors.   Others argue against case sensitivity, citing that it is harder to work with and more likely to result in  mistakes while providing little gain.  Some argue that case-sensitive languages negatively impact productivity, forcing programmers to spend untold hours debugging issues that end up as simple as the difference between LogOn and logon. The jury is still out on the value of case-sensitivity and it may be able to pass final judgment. But for now,  case sensitivity is here to stay in Java. Case Sensitive Tips for Working in Java If you follow these tips when coding in Java you should avoid the most common case sensitive errors: Java keywords are always written in lowercase. You can find the full list of keywords in the reserved words list.Avoid using variable names that differ only in case. Like the example above, if you had three variables called â€Å"endLoop†, â€Å"Endloop†, and â€Å"EndLoop† it would not take long before you mistype one of their names. Then you might find your code changing the value of the wrong variable by mistake.Always make sure the class name in your code and java filename match.Follow the Java naming conventions. If you get into the habit of using the same case pattern for different identifier types, then you improve your chances of avoiding a typing mistake.When using a string to represent the path of a file name, i.e. C:\JavaCaseConfig.txt make sure you use the right case. Some operating systems are case insensitive and dont mind that the filename isnt exact. However, if your program is used on an operating system that is case sensitive it will produce a r untime error.

Loan Officer Compensation Essay Example | Topics and Well Written Essays - 1500 words

Loan Officer Compensation - Essay Example The republicans were in the opposition sector of the bill; in 2010 mid elections the republicans took control of the House. They were the ones who initiated the drive to end the bill, but unfortunately their efforts were gone wasted when most of the republicans joined the other side of the argument in May 2010, this happened when the senate passed a broadly similar bill. Four republicans changed their sides by supporting the new bill passed by the senate; only two republicans were left in the opposition side; however they could not generate enough influence to repeal the bill (New York Times) Loan Officer Compensation rule has been one of the hottest topics of debate in the real estate industry for several months. The changes were mainly designed to be in the favor of the consumer rather than the banks or financial institutions. The main opposition body of this rule consisted of the National Association of Mortgage Brokers (NAMB) and the National Association of Independent Housing Pr ofessionals (NAIHP), they first filled a stay order that was initially denied by the courts, later they their appeal helped them in granting an emergency stay but eventually it was also dissolved by the courts. The main reason why the courts rejected their appeal was the fact that they were unable to provide the courts with the appeal that was up to the standards of the courts to grant a stay order (Kraus) The new rule for the Loan Officer Compensation took effect on 1st April 2011, this rule was an amendment to the original (Reg Z). The rule was intended to limit the originators or the brokers from increasing their compensation at an expense of a disadvantage of the borrower, the primary aim was to incorporate consistency in the compensations paid to the brokers, previously the compensations were not found to be consistent between the transactions, they were dependent upon the broker’s ability to negotiate terms between the borrower and the lender, which at times resulted in a situation that was deemed to be in the favor of the broker and the lender, but not the borrower. The main reason behind the fact is that the borrowers are not always aware of the culture and customs of the borrowing industry, which left them with an obvious disadvantage. There were several problems that were highlighted by the critics of the industry that were present in the changes made by passing the new rule. The very first problem that was highlighted was the fact that the new rule would dramatically decrease the competition in the mortgage industry. It is analyzed as a change that was more favorable for the larger banks rather than the smaller banks of the industry; this was taken as a discrimination factor by the industry. An improvement factor for the whole economy is the one that will promote smaller businesses to flourish in their activities and increase their scale. The second issue that was raised by the group was a prediction that the change will bring about an increa se in the borrowing rate for the consumer in the long run as result from the decreased competition One of the biggest changes that were brought about by the new rule was the fact that the originators compensation is limited to one source only. Before the new rule took effect,

Graduate Employability Essay Example | Topics and Well Written Essays - 2000 words

Graduate Employability - Essay Example The Department of Trade also ranked Systems Software among the thirty fastest growing professions; Systems Software will grow by 30.4 percent by the year 2018 (Scott, 2012). Trading activities are going international with the increased rate of globalization. Nowadays, a trader does not have to travel to a foreign country in order to purchase merchandise or personal goods. Online orders and payments are sufficient to do financial transactions and transport goods to the buyer. Cross-border traders, therefore, require system developers and administrators to ensure that the transaction systems are updated. The next decade will be characterised three out of four new science and engineering jobs being in computing. For example, two hundred and ninety-five thousand and two hundred jobs (representing 27 percent of the new STEM jobs) will be in software engineering (Scott, 2012). STEM further projects that the number of jobs in Network Analysis and Administration will exceed the number of vac ancies in traditional engineering by two hundred and thirty-five thousand, and seven hundred (Smeding, 2012). Basic computer literacy such as Microsoft Word, PowerPoint, Access and Excel will not enable a prospective employee to secure these jobs. This is because these professional occupations further knowledge and skills gained through the study of Computer Science, Software Engineering and Information Systems. 1.1.1 Computer Science Computer Science will expose the students and job seekers to practical approaches of computation and its applications. Computer Science enables learners of IT/Computing to study the feasibility, mechanization, expression and structure of computer algorithms. The computer algorithms underlie storage, communication, acquisition, representing, and accessing... The primary focus of this essay is to provide insights into the needs and perceptions of graduate employers in the Information Technology/Computing sector. This will be achieved by a close study of the jobs available, the requirements for employment, responsibilities of the employees and their remunerations. The report also covers the necessity of various skills and abilities required by employers, the level of graduate education required to fill the vacant positions, the challenges that companies face in recruiting graduates and views on how graduates can enhance their employability skills. The researcher mentions that the reader of the report will be able to identify the areas that are buoyant or depressed in IT and Computing; the information will be crucial to prospective employees and current students of Information Technology/Computing once they begin searching for jobs. The researcher of this report also focused on the employability skills of people aspiring to pursue courses i n Information Technology/Computing. The esssay considered the general course of computer engineering, and the skills that employers require to hire candidates for computing-related jobs. Information Technology is a broad field of study that encompasses Computer Science, Software Engineering and Information Systems. In conclusion, the researcher also included in this report the descriptions of the occupations, that fall under Computer Science and the salaries that professionals in IT/Computing sector earn.

Ethical Issues in Research Essay Example for Free

Ethical Issues in Research Essay Ethical issues are essential factors that must be given due and proper consideration in research. This becomes even more applicable when researchers deal with studies that involve human beings and animals. Numerous experiments are being made to achieve progress in various fields of discipline, including psychology. In doing so, human beings and animals must be protected, especially since using them in these experiments involves their well-being. For this reason, ethical standards are established. Ethical standards serve as the guidelines that govern the proper and improper participation and utilization of these life forms in research (University of Alberta, 2008). These standards ensure that studies which involve human beings and animals are subjected to limitations so that they would not be taken advantage of. According to the British Psychological Society (BPS) (2008), ethical guidelines give importance to respecting an individual as the researchers should not express any sign of prejudice toward the participants due to differences in racial descent, sexuality, language, and such. The privacy of the participants should also be respected. Thus, researchers must only acquire the personal information necessary for the study, and this information must be kept confidential. The researchers should also obtain the consent of the individuals who will participate in the study. During the study itself, participants should also be protected from any kind of harm, may it be psychological (e. g. , stress and anxiety) or physical. Moreover, the researchers also have to respect the participant’s right to leave an experiment any time that he or she wishes to. In another perspective, ethics tend to limit the advancement of psychological science. Since there are many guidelines and rules that have to be followed, researchers do not have full control over their participants. This sometimes hinders and impedes the experimentation process. Furthermore, obtaining the necessary license for this kind of research could be time-consuming, which can be used for the study itself (BPS, 2008). Scientists should accept and follow the limitations brought about by ethical guidelines because these guidelines only give due importance to the life of the participants. The main justification for these research studies is that the findings obtained from these would contribute to the knowledge and information on various fields of discipline and help improve the lives of individuals. This gives such studies an objective that is morally good (National Academy of Sciences, 2006). Hence, scientists should value the lives of the people they claim to help. Lastly, the one responsible in identifying the parameters of the participants’ protection are competent organizations that are familiar with the field of study being researched. In the case of the United States, the American Psychological Association (APA) (2008) is an organization that represents the psychologists in the U. S. APA (2008) implements an ethics code that every member of the organization must adhere to. References American Psychological Association. (2008). APA Ethics Office. Retrieved September 15, 2008, from http://www. apa. org/ethics/.British Psychological Society. (2008). Ethics. Scienceaid. co. uk. Retrieved September 15, 2008, from http://scienceaid. co. uk/psychology/approaches/ethics. html. National Academy of Sciences. (2006). Scientific and ethical justification for using animals in research. Online Ethics Center for Engineering. Retrieved September 15, 2008, from http://www. onlineethics. org/cms/16216. aspx. University of Alberta. (2008). Human Ethics, Biohazards, and Animal Welfare. Retrieved September 15, 2008, from http://www. rso. ualberta. ca/certification. cfm.

Nigeria Essays -- Africa Culture Papers

Nigeria Modern Nigeria is an archetypal cauldron, enmeshed with a variety of cultural groups and traditions, nevertheless united by the prospect of forging a unique independent national identity. Hausa, Fulbe, Yoruba and Igbo are among the largest of those, in the forty -three years since the end of colonial occupation, struggling to maintain their linguistic and cultural affiliations while simultaneously converging t o create a syncretic sense of Nigerianness. Subsequently, as one means of understanding art, in essence, is as a celebration of identity, artwork in the post -independence era manifests this struggle; thus, placing artists at the epicenter of cultural iden tification. In the 1960s, artist Uche Okeke emerged as an integral figure in the development of Nigerian art, and thus, Nigerian identity. Drawing from his Igbo heritage, Okeke effectively appropriated pre -colonial artistic traditions and applied them in an â€Å"art for art’s sake† context. Okeke’s work, however, is not a mere recontextualization and revitalization of â€Å"old† forms. Rather, informed by historical situation, Okeke’s artworks are personal testimonies of struggle characterized by a natural synt hesis of traditional and contemporary form and context. As an emblem of identity in post -colonial Nigeria, however, the doctrinal aesthetic of â€Å"natural synthesis† promoted by Okeke is not a simple combination of old and new; it’s true nature is multi -tiered and specific to individual interpretation. Evident in Uche Okeke's 1982 etching Ana, Asele and Badunka, â€Å"natural synthesis† represents a merger of uli design forms a nd Igbo cosmology; a synthesis of traditional design and contemporary applications; and a unification of writing and drawing in which theme... ...nd Nigerian Contemporary Art. Smithsonian Institution Press. Washington, D.C. 2002. Wilis, Elizabeth Anne. â€Å"Uli Painting and Identity: twentieth century de velopments in art In the Igbo speaking region of Nigeria.† Ph.D Thesis at the School of Oriental and African Studies at the University of London. Vols. 1 -2. 1997 Consulted Ejiogu, N.W. â€Å"Body Decoration and Mural Painting in Oraifite and Aquleri † Unpublished B.A. Thesis at the University of Nigeria, Nsukka. 1971. Forde, D. and G.I Jones. The Ibo and Ibibio Speaking Peoples of South Eastern Nigeri International African Institute, London. 1962. McCal, John C. â€Å"Social Organization in Africa †. Africa. Indiana University Press. Okeke, Uche. Creative Conscious. Asele Institute, Nimo, Anambra State, Nigeria. 1993. Otenberg, Simon. â€Å"We are Becoming Art Minded†. Vol. XXI. No. 4. pg.58 -67. 1988.

Modernist Poetry Doesnt Communicate With Society English Literature Essay

Modernist poets, or in that instance all modernists minds, philosophers and creative persons, ignores the societal order to some extent. They do non do any effort to speak to or pass on with the society, but really revolutionises the thought of art in the domain of the societal thoughts. In simpler words, Modernist philosophers do non follow the society, like its predecessors and it inquiries the easy accepted truth of the old age. In the late 19th century, in the aftermath of the to the full industrialized western universe with its new economic, societal and political construction, traditional projection and reading of art and civilization lost at least some of its importance. Following the old norms was nil but a return of what has already been talked of and achieved for the poets, minds and creative persons. To accomplish something new, they had to rehearse a signifier which was more individualized and yet obscure in its look. But that nevertheless do non reply the point of our treatment as to how or why the deficiency of communicativeness between the poet and the reader occurs in the 19th century western universe. With the popularity of the printing imperativeness, literature was no longer confined to the higher strata of the society. With this development in the history of printing, writers and poets found themselves traveling off from their audience. The opportunity or the impulse to interact straight with the multitudes decreased with the flow of clip until the clip when there is no effort to speak to or pass on with the society. The modernist poet ever lives in isolation from the existent universe while seeking to convey his/her individualized points of position. But for the reader, the same verse form can keep different reading at different clip and infinite. For case Emily Dickinson, the modernist American poet, published less than a twelve of her about 18 100 verse forms during her life-time. It was merely after 1886, after her decease, when her cache of verse forms were discovered by her younger sister Lavinia, that the comprehensiveness of Emily Dickinson ‘s verse form became ev ident. Emily Dickinson, merely like the other modernist poets, was alienated from the society. As a poet she could n't associate to the community, she was populating in, and the society in bend could n't associate to her verse forms, when they were published. Hence, during her life-time, the few verse forms which were published were to a great extent edited and altered harmonizing to the caprices and wants of the publishing house in order to model them in regard to the bing societal norms. Dickinson was obsessed by ‘death ‘ and has immortalised the construct of ‘death ‘ in her poesy. In one of her ignoble verse form, she seemed to hold related with ‘death ‘ and to some extent has personified the construct. â€Å" BECAUSE I could non halt for Death, He kindly stopped for me ; The passenger car held but merely ourselves And Immortality. † ( Dickinson ) The imagination that has been projected through the above mentioned Dickinson ‘s verse form is unconventional and to some extent radical. In the late 19th century America, fewer poets would ‘ve showed the bravery to oppugn the conventional beliefs sing ‘life ‘ and ‘death ‘ . Harmonizing to the above mentioned lines, ‘death ‘ to her is ‘immortal ‘ . In another verse form she states, â€Å" I DIED for beauty, but was scarce Adjusted in the grave, When 1 who died for truth was lain In an adjoining room. He questioned quietly why I failed? â€Å" For beauty, † I replied. â€Å" And I for truth, -the two are one ; We brethren are, † he said. And so, as kinsmen met a dark, We talked between the room, Until the moss had reached our lips, And covered up our names. ( Dickinson ) The imagination that is produced by the verse form is quite unconventional. Death has been beautified, glorified and celebrated by the poet in above mentioned verse form. Death has been a really of import subject for the modernist poets. Through their daring symbolism and representation of thoughts, subjects like depression, devastation, Hell and decease has ever been a really popular point of treatment among the modernist poets like Robert Frost, T.S. Elliot and of class Emily Dickinson. In T.S. Elliot ‘s â€Å" The Hollow Men † , the poet concludes the verse form by saying, â€Å" This is the manner the universe ends This is the manner the universe ends This is the manner the universe ends Not with a knock but a whine. † ( Elliot ) To the modernist poets, the abrasiveness of the existent universe was intolerable and hence from an stray infinite, the poet represents the inhuman treatment of the existent universe through his/her ain linguistic communication, non seeking to explicate everything. The reading nevertheless is left entirely on the reader and the poet does non even do an attempt to link with the readership or the society. Modernity can be said to unify all world in a self-contradictory integrity of disunity. Harmonizing to Marshall Berman, â€Å" It pours us into a whirlpool of ageless decomposition and reclamation of battle and contradiction, of ambiguity and torment. To be modern is to be a portion of a existence in which, as Marx said, ‘all that is solid thaws into air. ‘ † ( Berman ) . Modern authors have agreed to the fact that the lone unafraid thing about modernness is its insecurity. The lines of W.B. Yeats ‘ â€Å" The Second Coming † resonates a similar sense, â€Å" Thingss fall apart ; the Centre can non keep ; Mere lawlessness is loosed upon the universe, † ( Yeats ) The passing and the delicate nature of the age is possibly the most popular line of reading for the above two lines. The ideas of the Enlightenment minds, to cultivate nonsubjective scientific discipline, corporate morality and jurisprudence, were drawn to roll up with the cognition of many single free minds, to develop the miscellaneous doctrine of human release and the enrichment of the twenty-four hours to twenty-four hours life. Science and Technology promised an age devoid of scarceness and want. Rational signifiers of societal apprehension erased the bing unreasons of myth, phantasy, faith and superstitious notion. Traditional metaphoric representation of the ‘word ‘ was replaced by a more obscure imagination, which each and every reader can construe harmonizing to his/her apprehension of the ‘word ‘ . Surrealism, Dadaism and Cubism became a portion of the bigger image of Modernist art, literature and poesy. In another verse form of Emily Dickinson, she states, â€Å" Fame is a bee. It has a song- It has a sting- Ah, excessively, it has a wing. † ( Dickinson ) Here ‘fame ‘ is compared with a ‘bee ‘ , an unconventional representation merely as Charles Baudelaire compares ‘flowers ‘ with ‘evil ‘ in â€Å" Fleur du Mal † ( Flowers of Evil ) . These metaphoric representations of the ‘word ‘ was new to the age and was absent in the old enlightened western age of literature and art. A individual line which possibly can be the easiest guide line of looking at modernist poesy is expressed by Archibald MacLeish in his â€Å" Ars Poetica † , â€Å" A verse form should non intend, but be † . ( MacLeish ) . The primary difference between a Romantic text and a Modernist text is that a Modernist text imitates guesss and readings. The elans after each line of Emily Dickinson ‘s verse forms are perchance placed to supply the reader a infinite for contemplation and retrospection. A Romantic text, on the other manus, invites battle. Emily Dickinson ‘s â€Å" Fame is a bee†¦ † is a verse form that may look simple and shallow, but if one Judgess the construct of celebrity in the late 19th century, he/she is bound to look up to the simpleness of the technique in which the blunt passing nature and the frailties of celebrity is projected through the seemingly showy and musical drape of popularity. â€Å" The Second Coming † by W.B. Yeats is another fantastic work of Modernist poesy. The poet uses a dark scene to specify a clip when the universe is near a disclosure. The verse form depends on the cognition of a certain Christian belief. It is a antic look of the clip in which it was written. It provides us with a image of the First World War in Europe where, â€Å" Mere lawlessness is loosed upon the universe. † Stuning imagination of terrorizing linguistic communication, where poesy is no more depended on linguistic communication, but linguistic communication comes out of poesy. Yeats ‘ womb-to-tomb captivation of the supernatural and occult was lyrically manifested in this verse form. The significance of the ‘gyre ‘ is an equivocal one. It can be a historical period or the psychological stages of an person ‘s development. The personal imagination of the ‘gyre ‘ insinuates at the Hegelian construct of coiling history. The verse form is really in loose iambic pentameter, really much closer to the free poetry. The rhyming is haphazard. These dogmas were the trumpeters of the coming of Modernist poesy. In modernist poesy, the several poet does non care to explicate or construe their ain verse forms. It is something prohibited for them. The distance between the reader and the poet is big and there is no effort nevertheless to pass on between the two.

Use Case Diagram

UML Model Report UML Model Table of Contents Table of Contents2 USE CASE MODEL REPORT3 USE CASE MODEL3 PACKAGE DOCUMENTATION:3 Actor – Customer4 Actor – Shipping Clerk4 Actor – Shipper4 Actor – Receiving Clerk4 Actor – Inventory Clerk4 Actor – Shipping Station4 Actor – Receiving Station4 Use Case – Add Item to Shopping Cart5 Use Case – Browse List of Books6 Use Case – Cancel Order7 Use Case – Check Out8 Use Case – Edit Contents of Shopping Cart10 Use Case – Log In13 Use Case – Open Account16 Use Case – Process Received Shipment19 Use Case – Search by Author20 Use Case – Ship Order23 Use Case – Track Recent Orders26Domain Model29 STATIC OBJECT MODEL1 Use Case MODEL Report Use Case Model Package Documentation: NONE Use Case Diagram – Main [pic] Actor – Customer Documentation: NONE Actor – Shipping Clerk Documentation: NONE Actor – Shi pper Documentation: NONE Actor – Receiving Clerk Documentation: NONE Actor – Inventory Clerk Documentation: NONE Actor – Shipping Station Documentation: NONE Actor – Receiving Station Documentation: NONE Use Case – Add Item to Shopping Cart Documentation: NONE List of Associations Search Results Page Communicates with Add Item to Shopping Cart Use Case – Browse List of Books Documentation: Basic CourseThe Customer clicks on a Category on the Browse Books Page. The system displays the subcategories within that Category. This process continues until there are no more subcategories, at which point the system displays the Books in the lowest subcategory. The Customer clicks on the thumbnail for a Book. The system invokes the Display Book Details use case. Alternate Course If the system does not find any Books contained within a given Category, it displays a message to that effect and prompts the Customer to select a different Category. List of A ssociations Customer Communicates with Browse List of Books Use Case – Cancel Order Documentation:Basic Course The system ensures that the Order is cancellable (in other words, that its status isn't â€Å"shipping† or â€Å"shipped†). Then the system displays the relevant information for the Order on the Cancel Order Page, including its contents and the shipping address. The Customer presses the Confirm Cancel button. The system marks the Order status as â€Å"deleted† and then invokes the Return Items to Inventory use case. Alternate Course If the status of the Order is â€Å"shipping† or â€Å"shipped,† the system displays a message indicating that it's too late for the Customer to cancel the order. List of Associations Customer Communicates with Cancel OrderUse Case – Check Out Documentation: Basic Course The system creates a Candidate Order object that contains the contents of the Customer's Shopping Cart. Then the system retrieve s the Shipping Addresses associated with the Customer's Account, and displays these addresses on the Shipping Address Page. The Customer selects an address, and then presses the Use This Address button. The system associates the given Shipping Address with the Candidate Order. Then the system displays the available Shipping Methods on the Shipping Method Page. The Customer selects a shipping method, and then presses the Use This Shipping Method button.The system associates the given Shipping Method with the Candidate Order. Then the system displays the contents of the Billing Info objects associated with the Customer's Account, on the Billing Information Page. The Customer selects a billing method and presses the Use This Billing Information button. The system associates the given Billing Info object with the Candidate Order. Then the system displays the Confirm Order Page. The Customer presses the Confirm Order button. The system converts the Candidate Order to an Order and destroy s the Shopping Cart.Then the system returns control to the use case from which this use case received control. Alternate Courses If the Customer has not already logged in, the system invokes the Log In use case. If the system does not find any Shipping Addresses, it invokes the Create Shipping Address use case. If the system does not find any Billing Info objects, it invokes the Define Billing Information use case. If the Customer presses the Cancel Order button at any time, the system destroys the Candidate Order and returns control to the use case from which this use case received control. List of AssociationsCustomer Communicates with Check Out Shopping Cart Page Communicates with Check Out Use Case – Edit Contents of Shopping Cart Documentation: Basic Course On the Shopping Cart Page, the Customer modifies the quantity of an Item in the Shopping Cart and then presses the Update button. The system stores the new quantity and then computes and displays the new cost for that Item. The Customer presses the Continue Shopping button. The system returns control to the use case from which it received control. Alternate Courses If the Customer changes the quantity of the Item to 0, the system deletes that Item from the Shopping Cart.If the Customer presses the Delete button instead of the Update button, the system deletes that Item from the Shopping Cart. If the Customer presses the Check Out button instead of the Continue Shopping button, the system passes control to the Check Out use case. List of Associations Customer Communicates with Edit Contents of Shopping Cart Class Diagram – Edit Contents of Shopping Cart Robustness [pic] Interaction Diagram – Edit Contents of Shopping Cart Sequence [pic] Use Case – Log In Documentation: Basic Course The Customer clicks the Log In button on the Home Page. The system displays the Login Page.The Customer enters his or her user ID and password and then clicks the Log In button. The system validate s the login information against the persistent Account data and then returns the Customer to the Home Page. Alternate Courses If the Customer clicks the New Account button on the Login Page, the system invokes the Open Account use case. If the Customer clicks the Reminder Word button on the Login Page, the system displays the reminder word stored for that Customer, in a separate dialog box. When the Customer clicks the OK button, the system returns the Customer to the Login Page.If the Customer enters a user ID that the system does not recognize, the system displays a message to that effect and prompts the Customer to either enter a different ID or click the New Account button. If the Customer enters an incorrect password, the system displays a message to that effect and prompts the Customer to reenter his or her password. If the Customer enters an incorrect password three times, the system displays a page telling the Customer that he or she should contact customer service, and also freezes the Login Page. List of Associations Customer Communicates with Log In Class Diagram – Log In Robustness pic] Interaction Diagram – Log In Sequence [pic] Use Case – Open Account Documentation: Basic Course The system displays the New Account Page. The Customer types his or her name, an e-mail address, and a password (twice), and then presses the Create Account button. The system ensures that the Customer has provided valid data and then adds an Account to the Master Account Table using that data. Then the system returns the Customer to the Home Page. Alternate Courses If the Customer did not provide a name, the system displays an error message to that effect and prompts the Customer to type a name.If the Customer provided an email address that's not in the correct form, the system displays an error message to that effect and prompts the Customer to type a different address. If the Customer provided a password that is too short, the system displays an er ror message to that effect and prompts the Customer to type a longer password. If the Customer did not type the same password twice, the system displays an error message to that effect and prompts the Customer to type the password correctly the second time. If the account is already in the master account table, notify the user. List of AssociationsCustomer Communicates with Open Account Login Page Communicates with Open Account Open Account Communicates with Login Page Class Diagram – Open Account Robustness Interaction Diagram – Open Account Sequence Diagram [pic] Use Case – Process Received Shipment Documentation: Basic Course The Receiving Clerk ensures that the Line Items listed on the Purchase Order match the physical items. The Clerk waves the bar code on the packing slip under the sensor at the receiving station. The system changes the status of the Purchase Order to â€Å"fulfilled† and updates the quantity on hand values for the various Books.The Clerk hands the Books off to the Inventory Clerk. Alternate Course If the Receiving Clerk finds a mismatch between the Purchase Order and the physical items, the Clerk stops processing of the shipment until he or she is able to make a match. List of Associations Receiving Clerk Communicates with Process Received Shipment Process Received Shipment Communicates with Inventory Clerk Process Received Shipment Communicates with Receiving Station Use Case – Search by Author Documentation: Basic Course The Customer types the name of an Author on the Search Page and then presses the Search button.The system ensures that the Customer typed a valid search phrase, and then searches the Catalog and retrieves all of the Books with which that Author is associated. The the system retrieves the important details about each Book, and creates a Search Results object with that information. Then the system displays the list of Books on the Search Results Page, with the Books listed in reverse c hronological order by publication date. Each entry has a thumbnail of the Book's cover, the Book's title and authors, the average Rating, and an Add to Shopping Cart button. The Customer presses the Add to Shopping Cart button for a particular Book.The system passes control to the Add Item to Shopping Cart use case. Alternate Courses If the Customer did not type a search phrase before pressing the Search button, the system displays an error message to that effect and prompts the Customer to type a search phrase. If the system was unable to find any Books associated with the Author that the Customer specified, the system displays a message to that effect and prompts the Customer to perform a different search. If the Customer leaves the page in a way other than by pressing an Add to Shopping Cart button, the system returns control to the use case from which this use case received control.List of Associations Customer Communicates with Search by Author Class Diagram – Search by Author Robustness [pic] Interaction Diagram – Search by Author Sequence [pic] Use Case – Ship Order Documentation: Basic Course The Shipping Clerk ensures that the Items listed on the packing slip for the Order match the physical items. The Clerk waves the bar code on the packing slip under the sensor at the shipping station. The system changes the status of the Order to â€Å"shipping. † Then the system retrieves the Shipping Method that the Customer specified for this Order and displays it on the Shipping Station Console.The Clerk weighs the set of physical items. The Clerk packages the Items. The Clerk attaches a manifest appropriate for the given shipping method. The Clerk waves the bar code on the manifest under the sensor. The Clerk sends the package out via the associated Shipper. Alternate Course If the Shipping Clerk finds a mismatch between the Order and the physical items, the Clerk stops processing of the Order until he or she is able to make a match . List of Associations Shipping Clerk Communicates with Ship Order Ship Order Communicates with Shipper Ship Order Communicates with Shipping StationClass Diagram – Ship Order Robustness [pic] Interaction Diagram – Ship Order Sequence [pic] Use Case – Track Recent Orders Documentation: Basic Course The system retrieves the Orders that the Customer has placed within the last 30 days and displays these Orders on the Order Tracking Page. Each entry has the Order ID (in the form of a link), the Order date, the Order status, the Order recipient, and the Shipping Method by which the Order was shipped. The Customer clicks on a link. The system retrieves the relevant contents of the Order, and then displays this information, in view-only mode, on the Order Details Page.The Customer presses OK to return to the Order Tracking Page. Once the Customer has finished viewing Orders, he or she clicks the Account Maintenance link on the Order Tracking Page. The system returns co ntrol to the invoking use case. Alternate Course If the Customer has not placed any Orders within the last 30 days, the system displays a message to that effect on the Order Tracking Page. List of Associations Customer Communicates with Track Recent Orders Class Diagram – Track Recent Orders Robustness [pic] Interaction Diagram – Track Recent Orders Sequence [pic] Domain Model [pic] [pic] Static Object Model [pic] [pic] [pic]

The Facts about Space Exploration essays

The Facts about Space Exploration essays Many people believe that space exploration is just a waste of time and money. Its true, space exploration is a very expensive investment, but think of the countless inventions and emotions that these amazing missions brought us. Today we are still inventing and improving existing inventions to use for NASA and space technology. Plus the landing of Americans on the moon was an important part of our nations great history and patriotism. Technology is one of the most important areas that space exploration affected and added to the most. Many navigational and communication advances were conceived because of the need for them in space and on the ground. Space prompted a technology revolution; inventions such as the Global Positioning System, the cell phone, and new more powerful radios all utilize satellites to function. These inventions changed communication as well as entertainment forever. Other uses for the new technology were found in the military; missiles, guidance systems, radar, rocket technology, and ICBM missiles all stemmed from the original NASA technology. Today each one of these inventions aid in the protection of our country and other countries as well. And on a more simple and common level, many household products were first invented for use in the shuttle; these inventions include tin foil, microwaves, and home computers. The technological advances discovered in space exploration changed o ur world forever. With any amazing achievement there are a rush of emotions, joy, fear, accomplishment, wonder, awe, and respect. One thing that we are forced to remember is that the astronauts on Apollo 12 were just humans such as ourselves. Many people dont think about this, astronauts are thought to be amazing super humans that are traveling into a forbidden place. Astronauts are doing great things but they are just as common as the people in your neighborhood ...

Tragedies and Tearjerkers - Top Ten Saddest Plays

Tragedies and Tearjerkers - Top Ten Saddest Plays The following list is a continuation of the Top Ten Saddest Plays Ever Written. You can read the entries #10 through #6 by checking out the beginning of the list. #5 - Medea Heres how Ancient History expert N. S. Gill describes the basic plot of Euripides Greek tragedy: Medea is a witch. Jason knows this, as do Creon and Glauce, but Medea seemed appeased, so when she presents a wedding gift to Glauce of a dress and crown, Glauce accepts them. The theme is familiar from the death of Hercules. When Glauce puts on the robe it burns her flesh. Unlike Hercules, she dies. Creon dies, too, trying to help his daughter. So far the motives and reactions seem understandable, but then Medea does the unspeakable. In the gruesome tragedy Medea, the title character, murders her own children. However, before she can be punished, Helios sun chariot swoops down and she flies off into the sky. So in a sense, the playwright creates a double tragedy. The audience witnesses a tragic act, and subsequently witnesses the escape of the perpetrator. The murderer does not get her comeuppance, thereby infuriating the audience all the more. #4 - The Laramie Project The most tragic aspect of this play is that it is based upon a true story. The Laramie Project is a documentary-styled play that analyzes the death of Matthew Shepard, an openly gay college student who was brutally murdered because of his sexual identity. The play was created by playwright/director Moisà ©s Kaufman and members of the Tectonic Theater Project. The theater group traveled from New York to the town of Laramie, Wyoming - just four weeks after the death of Shepard. Once there, they interviewed dozens of townspeople, collecting a wide array of different perspectives. The dialogue and monologues which comprise The Laramie Project are taken from interviews, news reports, courtroom transcripts, and journal entries. Kaufmann and his team of activists turned their journey into a theatrical experiment that is as innovative as it is heart wrenching. Learn more about this play. #3 - Long Days Journey into Night Unlike the other dramas mentioned on the list, no character dies during the course of the play. Yet, the family in Eugene ONeills Long Days Journey into Night is in a state of constant mourning, lamenting lost happiness as they reflect upon how their lives could have been. We can tell within the first few exchanges of Act One, this family has grown accustomed to harsh criticism as default form of communication. Disappointment runs deep, and although the father spends a great deal of time and energy complaining about his sons failures, at times the young men are their own harshest critics. Read more about Eugene ONeills dramatic masterpiece. #2 - King Lear Every line of iambic pentameter in Shakespeares tale of an abused old king is so depressing and brutal that theater producers in the Victorian Age would allow substantial changes to the plays ending in order to give audiences something slightly more upbeat. Throughout this classic drama, the audience wants to simultaneously slap and embrace King Lear. You want to smack him because he is too stubborn to acknowledge the ones who truly love him. And you want to hug him because he is so misguided and so easily fooled, he allows the evil characters to take advantage of him then abandon him to the storm. Why does it rank so high on my list of tragedies? Perhaps its simply because I am a father, and I cant imagine my daughters sending me out into the cold. (Fingers crossed they are kind to me in my old age!) #1 - Bent This play by Martin Sherman may not be as widely read as the other tragedies previously mentioned, but because of its intense, realistic depiction of concentration camps, execution, anti-Semitism, and homophobia it deserves the highest place among the saddest plays in dramatic literature. Martin Shermans play is set in mid 1930s Germany, and centers around Max, a young gay man who is sent to a concentration camp. He pretends to be Jewish believing that he wont be persecuted as much as the homosexuals in the camp. Max undergoes extreme hardship and witnesses obscene horrors. And yet amid the abject cruelty he is still able to meet someone kind, a fellow prisoner with whom he falls in love. In spite all the barrage of hatred, torture, and indignity, the main characters are still able to mentally transcend their nightmarish surroundings at least for as long as they are together.

Analyse the extent to which the rules of standing and the grounds of Essay

Analyse the extent to which the rules of standing and the grounds of judicial review have struck the right balance between helpi - Essay Example The law of standing  comprises  rules that determine, whether the remedy seeker is a bonafide person or is he legally empower to initiate legal proceeding against the defendant. We have noticed that in private matters, it is very difficult for the victims to seek justice due to lack of legal resources and the hefty cost involves in initiating legal course of action against the party at fault. Hence, visible hurdles for the litigants in the matter of public interest are there2. Public interest litigation may be common in the developed countries, but it seldom seen in the developing countries due to cost incurs on public interest litigation. Enforcement of public right most often requires due role of public bodies in administrating and implementing such functions e.g. health, safety, security or the environment. There is a difference between the public interest litigation and the private interest litigation. In the UK legal system, there is a body of common law and the statutes whi ch revolves around the exceptions with regard to the rule of standing that lacks the protection of public right3. In the mentioned legal system, judicial review is exercised under RSC, order 53 to ensure judicial control over administrative action. The matter of each and every judicial review is a decision that made by some authorized person or persons is/are called decision maker/makers. They have the right to take the decision or refuse to take the decision4. It is (Judicial review) by all standards different from an appeal. The clear distinction is that appeal can be filed in the appellate jurisdiction by the petitioner provided the judgment of the subordinate court did not touch upon the legal or technical aspects of the case whereas the judicial review is connected with the legal aspect of the decision only or the specified act5. Judicial Review Judicial review has the strong relationship with the powerful executives in terms of accountability. It is the constitutional obligati ons of the judiciary to control the misuse of power of the executives. Of course, executives do not like the judicial review against the backdrop of unbridled discretionary powers they are being enjoyed. On the other hand, judiciary encourages the law abiders and the rules comply with executives to carry out their jobs without any fear or favour. In the presence of strong judiciary, the executives should not comply with the illegal orders of their superiors6. In the English legal system, everybody is accountable to his or her deeds. It is the essence of the cited legal system that the actions or the decisions of the executives are subject to judicial review by judges in order to ensure that their actions or decisions are in accordance with law. Further, the judges have the authority to examine the suggested changes in the legislative structure whether they are in line with the constitutional requirement. Judicial review is utmost important keeping in mind the â€Å"power corrupts a nd absolute power corrupts absolutely â€Å". From the aforementioned contents, it is clear that the basic responsibility to address the legal lacunas in the decisions of

Forum Article Example | Topics and Well Written Essays - 250 words - 1

Forum - Article Example lude  how to  house  them, provision of quality health care services to the refugees, and protecting the refugees from the  county  they are running away from and the dangers that they are facing.   The issue of helping the refugees has complicated by the fact that the hosting countries have got their own policies which they have to  twist  so as to cater for the refugees.  The countries have to stoop quite low and be able to cater for the refugees as a way of promoting the human rights. They have to  sponsor  the refugees and ensure that the refugee camps  are well equipped  and that the refugees are able to get food supplies, the hosting government should ensure that they are remarkably able to receive quality health care services to the refugees and also provide the refugees with adequate security (Hollenbach 78). For all governments to be able to keep the refugees in their countries, they  need  to  put  their policies in a way that will ensure better  accommodation  to the refugees and ensure that their human rights  are taken  care of in a good way (Hollenbach