Differences Between Ulcerative Colitis and Crohns Disease

About John Stuart Mill, a Male Feminist and Philosopher

About John Stuart Mill, a Male Feminist and Philosopher John Stuart Mill (1806 to 1873) is best known for his writings on liberty, ethics, human rights and economics. The utilitarian ethicist Jeremy Bentham was an influence in his youth. Mill, an atheist, was godfather to Bertrand Russell. A friend was Richard Pankhurst, the husband of suffrage activist Emmeline Pankhurst. John Stuart Mill and Harriet Taylor had 21 years of an unmarried, intimate friendship. After her husband died, they married in 1851. That same year, she published an essay, The Enfranchisement of Women, advocating for women being able to vote. It was barely three years after American women had called for womens suffrage at the Womans Rights Convention at Seneca Falls, New York. The Mills claimed that a transcript of a speech by Lucy Stone from the 1850 Womens Rights Convention was their inspiration. Harriet Taylor Mill died in 1858. Harriets daughter served as his assistant in subsequent years. John Stuart Mill published On Liberty shortly before Harriet died, and many believe that Harriet had more than a small influence on that work. The Subjection of Women Mill wrote The Subjection of Women in 1861, though it was not published until 1869. In this, he argues for education of women and for perfect equality for them. He credited Harriet Taylor Mill with co-authoring the essay, but few at the time or later took it seriously. Even today, many feminists accept his word on this, while many non-feminist historians and authors do not. The opening paragraph of this essay makes his position quite clear: The object of this Essay is to explain as clearly as I am able grounds of an opinion which I have held from the very earliest period when I had formed any opinions at all on social political matters, and which, instead of being weakened or modified, has been constantly growing stronger by the progress reflection and the experience of life. That the principle which regulates the existing social relations between the two sexes - the legal subordination of one sex to the other - is wrong itself, and now one of the chief hindrances to human improvement; and that it ought to be replaced by a principle of perfect equality, admitting no power or privilege on the one side, nor disability on the other. Parliament From 1865 to 1868, Mill served as a Member of Parliament. In 1866, he became the first M.P. ever to call for women being given the vote, introducing a bill written by his friend Richard Pankhurst. Mill continued to advocate for womens vote along with other reforms including additional suffrage extensions. He served as president of the Society for Womens Suffrage, founded in 1867. Extending Suffrage to Women In 1861, Mill had published Considerations on Representative Government, advocating for for a universal but graduated suffrage. This was the basis for many of his efforts in Parliament. Here is an excerpt from chapter VIII, Of the Extension of the Suffrage, where he discusses womens voting rights: In the preceding argument for universal but graduated suffrage, I have taken no account of difference of sex. I consider it to be as entirely irrelevant to political rights as difference in height or in the color of the hair. All human beings have the same interest in good government; the welfare of all is alike affected by it, and they have equal need of a voice in it to secure their share of its benefits. If there be any difference, women require it more than men, since, being physically weaker, they are more dependent on law and society for protection. Mankind have long since abandoned the only premises which will support the conclusion that women ought not to have votes. No one now holds that women should be in personal servitude; that they should have no thought, wish, or occupation but to be the domestic drudges of husbands, fathers, or brothers. It is allowed to unmarried, and wants but little of being conceded to married women to hold property, and have pecuniary and business interests in the same manner as men. It is considered suitable and proper that women should think, and write, and be teachers. As soon as these things are admitted, the political disqualification has no principle to rest on. The whole mode of thought of the modern world is, with increasing emphasis, pronouncing against the claim of society to decide for individuals what they are and are not fit for, and what they shall and shall not be allowed to attempt. If the principles of modern politics and political economy are good for any thing, it is for proving that these points can only be rightly judged of by the individuals themselves; and that, under complete freedom of choice, wherever there are real diversities of aptitude, the greater number will apply themselves to the things for which they are on the average fittest, and the exceptional course will only be taken by the exceptions. Either the whole tendency of modern social improvements has been wrong, or it ought to be carried ou t to the total abolition of all exclusions and disabilities which close any honest employment to a human being. But it is not even necessary to maintain so much in order to prove that women should have the suffrage. Were it as right as it is wrong that they should be a subordinate class, confined to domestic occupations and subject to domestic authority, they would not the less require the protection of the suffrage to secure them from the abuse of that authority. Men, as well as women, do not need political rights in order that they may govern, but in order that they may not be misgoverned. The majority of the male sex are, and will be all their lives, nothing else than laborers in corn-fields or manufactories; but this does not render the suffrage less desirable for them, nor their claim to it less irresistible, when not likely to make a bad use of it. Nobody pretends to think that woman would make a bad use of the suffrage. The worst that is said is that they would vote as mere dependents, the bidding of their male relations. If it be so, so let it be. If they think for themselves, great go od will be done; and if they do not, no harm. It is a benefit to human beings to take off their fetters, even if they do not desire to walk. It would already be a great improvement in the moral position of women to be no longer declared by law incapable of an opinion, and not entitled to a preference, respecting the most important concerns of humanity. There would be some benefit to them individually in having something to bestow which their male relatives can not exact, and are yet desirous to have. It would also be no small matter that the husband would necessarily discuss the matter with his wife, and that the vote would not be his exclusive affair, but a joint concern. People do not sufficiently consider how markedly the fact that she is able to have some action on the outward world independently of him, raises her dignity and value in a vulgar mans eyes, and makes her the object of a respect which no personal qualities would ever obtain for one whose social existence he can ent irely appropriate. The vote itself, too, would be improved in quality. The man would often be obliged to find honest reasons for his vote, such as might induce a more upright and impartial character to serve with him under the same banner. The wifes influence would often keep him true to his own sincere opinion. Often, indeed, it would be used, not on the side of public principle, but of the personal interest or worldly vanity of the family. But, wherever this would be the tendency of the wifes influence, it is exerted to the full already in that bad direction, and with the more certainty, since under the present law and custom she is generally too utter a stranger to politics in any sense in which they involve principle to be able to realize to herself that there is a point of honor in them; and most people have as little sympathy in the point of honor of others, when their own is not placed in the same thing, as they have in the religious feelings of those whose religion differs f rom theirs. Give the woman a vote, and she comes under the operation of the political point of honor. She learns to look on politics as a thing on which she is allowed to have an opinion, and in which, if one has an opinion, it ought to be acted upon; she acquires a sense of personal accountability in the matter, and will no longer feel, as she does at present, that whatever amount of bad influence she may exercise, if the man can but be persuaded, all is right, and his responsibility covers all. It is only by being herself encouraged to form an opinion, and obtain an intelligent comprehension of the reasons which ought to prevail with the conscience against the temptations of personal or family interest, that she can ever cease to act as a disturbing force on the political conscience of the man. Her indirect agency can only be prevented from being politically mischievous by being exchanged for direct. I have supposed the right of suffrage to depend, as in a good state of things it would, on personal conditions. Where it depends, as in this and most other countries, on conditions of property, the contradiction is even more flagrant. There something more than ordinarily irrational in the fact that when a woman can give all the guarantees required from a male elector, independent circumstances, the position of a householder and head of a family, payment of taxes, or whatever may be the conditions imposed, the very principle and system of a representation based on property is set aside, and an exceptionally personal disqualification is created for the mere purpose of excluding her. When it is added that in the country where this is done a woman now reigns, and that the most glorious ruler whom that country ever had was a woman, the picture of unreason and scarcely disguised injustice is complete. Let us hope that as the work proceeds of pulling down, one after another, the remains of the mouldering fabric of monopoly and tyranny, this one will not be the last to disappear; that the opinion of Bentham, of Mr. Samuel Bailey, of Mr. Hare, and many other of the most powerful political thinkers of this age and country (not to speak of others), will make its way to all minds not rendered obdurate by selfishness or inveterate prejudice; and that, before the lapse another generation, the accident of sex, no more than the accident of skin, will be deemed a sufficient justification for depriving its possessor of the equal protection and just privileges of a citizen. (Chapter VIII Of the Extension of the Suffrage from Considerations of Representative Government, by John Stuart Mill, 1861.)

Lifespan Psychology And Ageing Module Essay Example | Topics and Well Written Essays - 750 words

Lifespan Psychology And Ageing Module - Essay Example According to Belsky and Rossman (2007), We do not lie in isolation. We need to socialize and bond with someone.   To get a good start, an attachment to one's caregiver is important.   Insecure attachments mean trouble for the short term†¦[but] attachment is not stable" (pp. 49).   Attachment can be important in terms of the spectrum of nursing in which a patient must be cared for by his or her health assistant.   It is of paramount importance that the patient knows that he or she can depend upon his or her health assistant.   Without that establishment of trust, no amount of experience or best practices is going to work well within a health care setting.   The course content obviously has various elements that are more important than others.   However, what is paramount to being a health assistant in a nursing home is that these various concepts can be applied to my own situation and the course content has been helpful in terms of being able to deal with a variety of situations.We need to socialize and bond with someone.   To get a good start, an attachment to one's caregiver is important.   Insecure attachments mean trouble for the short term†¦[but] attachment is not stable" (pp. 49).   Attachment can be important in terms of the spectrum of nursing in which a patient must be cared for by his or her health assistant.   It is of paramount importance that the patient knows that he or she can depend upon his or her health assistant.... experience that, generally, people are very particular about the care they receive—and they like for it to remain a private matter as much as possible. According to Gallagher (2008), â€Å"[W]hile private nursing home care is represented as providing choice to older people and their families and as part of a mixed economy of welfare for meeting long-term care needs, it can also be argued that the reliance on private nursing homes to provide care [is mainly a private affair]†¦Ã¢â‚¬  (pp. 80). Late adulthood can be a particularly challenging time for an adult, particularly if the person in question must sell all their possessions in order to afford nursing home care. They may have difficulties if they are patients who are not able to care for themselves and cannot function in assisted living units. As a health assistant, it has been my experience that there are several and various types of problems which many adults in nursing home care face, including depression, neglect , and/or loneliness. These issues can be serious if they are not addressed. The topic of loneliness will be discussed more in the next section. IV. What I Have Learned from the Material Covered (175 words) What has been learned from the material covered is so priceless that no one can really put value on such knowledge. From the course material, it has been possible to become a more understanding and compassionate individual as a health assistant—now that an overarching picture of the lifespan and its various dimensions have been presented to me. According to O’Brien (2008), her book â€Å"†¦explains lifespan development from conception to old age, and is supported by Irish facts, research, statistics and context. It introduces and discusses key debates within psychology, such as nature vs. nurture and

The role of women performers Essay Example | Topics and Well Written Essays - 250 words

The role of women performers - Essay Example In addition, both articles address the way music has undergone transformation through age and artists with Nicky Minaj being the current mc while the likes of missy Eliot in the 1990’s (Article 2). While article 1 discusses the form of music which hulls abuses at women which is the gangster rap since this environment is considered a masculine performance environment; article 2 discusses a form of music where women and their growth in the music industry is highly appreciated. On the other hand, article 1 talks about the topic "Unladylike Divas": Language, Gender, and Female Gangsta Rappers† while article two talks about, â€Å"The return of the Femcee: New female rappers shake up the game† hence, the first article is quite retrogressive while the second article is progressive. It is true and quite clear that women have today cropped into majority of the fields that were previously known to be purely for men such as in the music industry where women today can perform genres of music, which only men performed. Hence, women have experienced progressive growth hence renegotiation of femininity as expressed through their prowess in both gangster rap and hip-hop music (Lengel, Laura and John

Aircraft Crash Survival Analysis and Design Essay

Aircraft Crash Survival Analysis and Design - Essay Example While the paper dwells on the basics operation and construction of ejection seat, it also brings out new developments in the field. Emergency escape from a malfunctioning aircraft is of utmost importance for any Air Force. The cost of training a fighter pilot is prohibitive and time taken for him to become operational is significant. Therefore all efforts have to be made to save a fighter pilot from the malfunctioning aircraft. In the older era, the aircraft envelope was fairly limited. The speeds of the pre World War I fighters were low enough to permit manual bail out, where in, the pilot jumps out of the aircraft with parachutes on. However, the modern day fighter class of aircraft operates at speeds beyond Mach .2.0 and at altitudes from Ultra Low Levels (30m) to beyond 60,000’. The kind of maneuvers performed by the fighter pilots during operations leave little margin of error. Flying at such envelope, it would be impossible for a fighter pilot to bail out from the aircraft manually. Therefore ejection seats are a must for a safe escape from the malfunctioning aircraft. The ejection seats not only pr ovide a means of escape from the malfunctioning aircraft, but also house the Pilot Survival Pack which contains adequate reserve equipment for the pilot to survive for about 48 hours till rescue arrives. The type of survival pack would depend on the type of terrain over which the pilot is expected to operate namely jungle, snow or water. The first bungee assisted escape from an aircraft took place as early as 1910. Earliest example of ejection seat was a seat using compressed air, patented in 1916 by Everard Calthrop. The current design for ejection seat is attributable to Romanian inventor Anastase Dragomir. Dragomir patented his "catapult-able cockpit" at the French Patent Office (patent no. 678566, of April 2, 1930, Nouveau systà ¨me de montage des parachutes dans les appareils de locomotion aà ©rienne). This design was successfully tested on

Moral Panic in Contemporary Society: Islamophobia

Moral Panic in Contemporary Society: Islamophobia This essay argues that Moral Panic in the contemporary context has evolved from the historical context. Moral panic, in essence, is defined as an ephemeral but recurring condition or people stereotypically portrayed as a threat to societal values and interests by mass media (Cohen cited in Marsh Melville, 2011). This essay will use the recent ‘anti-halal hysteria’ as a case study to illustrate the contemporary moral panic of Islamophobia. Among the components discussed are the differences between historical and contemporary issues of moral panic and Cohen’s Moral Panic framework. As a start, this essay deconstructs Cohen’s definition of moral panic with reference to Islamophobia. Islamophobia is a transient but dormant issue that has recently been ‘reawakened’ in relations to the issue of halal meat circulating in the United Kingdom. It is a term used in the UK around the 1980s to 1990s as a signal rejection of and discrimination against the M uslim population due to issues of immigrations (Allen cited in Là ²pez, 2011) and recently is described as a religious intolerance due to the growing presence of the Islamic religion in the â€Å"West† (Là ²pez, 2011). First of all, this essay argues that there is a nuance shift in the issues of historical moral panic compared to contemporary moral panic. As Critcher (2002) posits, modern moral panics have altered focus. Hughes et al. (2011) further support that moral panic is now being applied to a growing range of examples by deviating from issues back in the 1960s and 1970s. Historical moral panics often focus on the issue of youths and subcultures, like the work of Stanley Cohen in the 1970s on the rockers and mods (Marsh Melville, 2011), Young’s research on the drug use of hippies in the 1960s (ibid, 2011) and Ainley (ibid, 2011)’s research on the ‘hoodies’. Meanwhile, contemporary moral panic has expanded to encompass issues of racism instead of dwelling on youth-related topics, for example, the present case study of ‘anti-halal hysteria’, ‘Islamic infiltration plot in Birmingham schools’ (McNamara, 2014) and the ‘association of crim es to Muslim women with headscraves’ (Duell, 2014). However, one may refer to Hall’s work on racism and resistance (Procter, 2004) to argue that ‘racism’ is a moral panic dated back to the 1970s. As such, this essay posits that â€Å"Islamophobia† is a contemporary moral panic that evolves from historical moral panic on xenophobia. Even though contemporary issues on moral panic have digressed from youth issues, Hughes et al. (2011) noted that ‘moral panic’ is still regularly being used in the media revolving around issues on social problems, controversies and capitalizes on people’s fear and anxiety. Islamophobia bears resemblance to the historical moral panic which exploits on people’s fear in maintaining their social status (Young cited in Hughes, et al., 2011) as Islamophobia capitalises on Britons’ fear of losing their national identity. As such, this statement underpins Richardson (2009)’s articulation that Muslims have now become the latest incarnations of folk devils. In addition, this essay argues that contemporary moral panic deviates from some of Cohen’s moral panic framework which is constructed by a linear six stages namely ‘crisis happen’, sensification, witch hunt, amplification, panic and counter-action. In the context of the anti-halal hysteria, this essay argues that the current issue does not conform to Cohen’s first stage of ‘crisis happening’ as there is apparently no actual crisis in Subway’s decision to offer halal meat in some of its stores in the first place. Instead, it is the Daily Mail’s exaggerated reporting that deliberately frames Subway’s commercial decision as a result of being ‘strongly demanded’ by the Muslims customers (Poutler, 2014). Subway on the other hand justifies their decision as purely a matter of weighing financial losses and profits as the stores are situated within heavily populated Muslim vicinities (Allen, 2014). Failing to see this as a commercial decision, the Daily Mail over-reacted and reignited the food debate protest on halal meat that was dated back in 2012, headed by British National Party (BNP)’s leader Nick Griffin (Engage, 2012). In order to explain this manipulation of media, this essay agrees with Schlesinger (cited in Critcher, 2002) that in contemporary moral panic, the media has assumed the role of primary definers as opposed to being secondary definers. According to Procter (2004), primary definers refer to the way media first look to authoritative figures particularly politicians in structuring news. Very often, original theory of moral panics posits that media’s Ideological role is tie to that of the government’s hegemony ideology (McRobbie Thornton). Contrastingly, in the context of the recent Islamophobia, the press, specifically the Daily Mail acts as the primary definer, dictating the news agenda. This shows that contemporary media does not adhere to Gramsci’s theory of hegemony (Procter, 2004). This inference contradicts with Cohen (2002)’s assertion that the media is important in reproducing and sustaining the dominant ideology instead of being transmitters or campai gners of moral panics. However, based on McRobbie and Thornton (cited in Cohen, 1999)’s assertion and in view of this latest issue, contemporary media actually sets their own agenda by instigating ordinary issues that may be contradictory to government’s policies. Therefore, demonstrating that contemporary moral panic has evolved from a historical model. Moving on, this essay recognizes that contemporary moral panic adheres to the second stage of Cohen’s model- sensification. Soon after the article on Subway is published, it is inferred that the public become sensitive to the issue of Muslim allegedly invading the local food industry. This is because according to Hughes et al. (2011), people are sensitive to issues that ‘hit the sore spot’, in this context, referring to the fear of a foreign power- the Muslims. Besides that, as the issue of halal is intentionally highlighted in the news, it increases the possibility of public in becoming aware of the said issue. On top of that, the media further saturates the public sphere with inflammatory risk discourses (Hier cited in Critcher, 2008) and headlines such as â€Å"Millions are eating halal food without knowing it†. This I infer is the media’s attempt to frame public’s negative perception towards Muslims as a means to make them aware of homegro wn Islamic extremism (Allen, 2007). Nevertheless, the essay argues that the current issue does not fit into Cohen’s third stage- ‘witch hunt’. This may be attributed to the origins and structure of the news itself in which Daily Mail’s reporting on Subway’s decision is very much biased and sensationalized. Media, as Cohen (2002) points out, often stereotypes and misrepresents deviance. As such, this essay argues that the process of ‘witch hunting’ for folk devils is omitted in the case study as the Daily Mail has, at the very beginning, embedded the stereotypical notion of â€Å"Islamophobia†, misrepresenting and accusing the Muslims for exerting pressure onto Subway. The Muslims are not ‘found’ to be the folk devil, but they are ‘framed’ to be one in a contemporary context. On top of that, such stereotypical reporting may also be explained as a journalist goal to attune to the popularity of human interest stories (McRobbie Thornton, 1995) so as to gain public readership by capitalizing on moral panics. Richardson (2009) contends news about Muslims is often presented with a hint of menace, thus suggesting the possibility of unethical journalism practice in local tabloid. Although stage three of Cohen’s model is omitted in the context of contemporary case study, the case study still conforms to Cohen’s ‘amplification’ stage as presses such as the Sun and BBC join in to amplify the initially non-existent crisis. For instance, The Sun’s overly sensationalized the news of Pizza Express using halal meat (Jones, 2014) while the BBC reported that five leading UK supermarkets are selling halal meat (BBC News, 2014). Adding on to the fuel, the Daily Mail goes on to exaggerate that Muslims are ‘stealthily taking over Britain’s supermarket’ (Poutler et al., 2014). The role of media as Luce (2013) posit is supposedly to help maintain stability in a society. However, in this context, the presses are seen to be disrupting the social order of the society. This is because it was the presses who initiate the ‘hate crime’ with alarmist reporting that agitate the issue of local food store chains and sup ermarkets selling halal meat without the consent or knowledge of customers. As such, this essay inferred that the tabloid media is trying to drive a rift between races. As a result of this amplification spiral, the initial issue on commercialized industry selling halal meat has escalated into a wider spectrum involving pressure groups such as RSPCA, National Secular Society (NSS) and British Veterinary Association (BVA). These associations are outrage by the animal slaughtering method of Muslim abattoirs following a CCTV still released by Daily Mail with the caption ‘more than 100 sheep appeared to write in agony after being ritually killed’ (Allen, 2014). The term ‘halal’ which literally means ‘permissible’ or ‘lawful’ under Islamic Law (Henley, 2013; Poutler, 2014) stated that animals must be ritually killed when it is conscious. This disparity in method of animal slaughtering has once again flared up the long-enduring heated between the pressure groups whom advocate pre-stunning before slaughtering and the deviants (the Muslims)’s ritual slaughtering. Consequently, the press has now shift ed its attention from the original issue on Subway’s commercial decision to the slaughtering method of animals, thus causing the ‘original problem’ to be obscured while this ‘deviance issue’ to escalate. Media employ highly emotive and rhetorical language (McRobbie Thornton, 1999) to distinguish ‘us’ and ‘them’ by idealizing us and demonizing (Richardson, 2009) the Muslims that they do not care about how animals are slaughtered. The press further reveals that as thousands of Britons are consuming halal food, insinuating that they have been ‘Islamized’ (Poutler, 2001). Even though the focus of issues has shifted, the underlying notion remains that of ‘Islamopohia’ (Allen, 2014). From the repercussion of the above amplification, this causes panic among the animal welfare advocates as well as the general public of the growing power of Islam. Revelation that halal meat is widely circulated and the ‘inhumane’ ritual slaughtering method of the Muslims, the term ‘anti-halal hysteria’ emerges, signifying a new wave of moral panic associated with Islamophobia. A fraction of public are explicitly showing contempt towards the Muslims by boycotting the list of stores selling halal meat while pressure groups petition for banning ritual slaughtering method. Even though this essay argues that the original problem is non-existence, the deviance issues still escalate. Last but not least, the sixth stage of Cohen’s model, counter-actions is, as this essay argues, not entirely applicable in contemporary moral panic. The notion of ‘something should be done’ is evident here but this essay finds it ironic that there is not a problem in the first place as it is simply a misrepresentation of a commercial decision by the media. Counter action in Cohen’s model refers to legislative attempt in subduing the deviants (Cohen, 2002). However, this essay argues that there is no counter action in the case study as local government retains their position in the issue of anti-halal hysteria by upholding the law of allowing religious slaughter method even though pressure groups are fervently petitioning to label and impose regulations on the sources and method of slaughtering poultry. In this context, counter-action is not taken by the government but rather a compromise position is negotiated. This is Britain’s attempt to assimilate the minorities by offering them the freedom of religion (Castle Freytas-Tamura, 2014). As a matter of fact, this essay recognizes that contemporary moral panic does not conform to Cohen’s linear static process as first of all, crisis did not happen, there is no ‘witch hunting’ process and there is no relative counter-action. As such, this essay argues that contemporary model panic is best described using attributes instead of a static process. Hence, the essay suggests looking to Goode and Ben-Yehuda’s five attributes of moral panic (concern, hostility, consensus, disproportionality and volatility) as a preferable model. Firstly, concerns over Islamophobia have always been long existed in the UK. Secondly, the term ‘anti-halal hysteria’ is a signifier of hostility towards the Muslims. Thirdly, there is consensus among the presses and pressure group that accepting that Muslim poses threats economically but also societal values. Disproportionality is demonstrated through the actions of pressure group in calling for the ban of halal meat as it does not resolve the issue of Islamophobia. Lastly, contemporary moral panic fits the characteristics of being volatile as the following issue dominating local news on Islamophobia is the British National Party protesting over the plans for a new mosque in Hemel Hempstead (Pitt, 2014) once again showing that moral panic is on-going. As a conclusion, the utility of moral panic is no doubt necessary in enhancing our understanding of new cases to which it has been extended (Hughes et al., 2011). Studies on moral panic is not static (Hughes, et al., 2011) as it is constantly revised, extended and developed (ibid, 2011). Moral panics are ‘not just one-off events but it is their reappearance that confirms their status as moral disturbances of any significant order’ (Young cited in Marsh Melville, 2011). This essay argues that media do not report facts but rather conjectures about Subway’s decision. Even though stages of establishing moral panic is not static and may overlap occasionally, some attributes of moral panic is still very much identifiable (Jewkes cited in Marsh Melville, 2011). Islamophobia has been infused into the everyday life of modern Britain (Allen, 200) and will always be an on-going issue but just that the focus on issue shifts and even sometimes incorporates or bring other iss ues into the picture.

Features of bluetooth technology Essay

The logo for Bluetooth is based on Runes surrounding the legend of Harald Bluetooth. Bluetooth the technology is based on communications central to man’s own personal space. Fundamentally Bluetooth operates within the Industrial, Scientific and Medical (ISM) band at 2. 4 GHz. It is a short-range wireless communication standard defined as cable replacement for a Personal Area Network (PAN) (see â€Å"Bluetooth†. Grolier Encyclopedia of Knowledge, pp. 87-94). Figure 1 is the Bluetooth Logo. A cable replacement standard has been defined because cables limit mobility of the consumer; they are cumbersome to carry around, are easily lost or broken. Often connectors are prone to difficult to diagnose failures; or are proprietary. To counteract these limitations Bluetooth is designed to be light and portable. It can be embedded to take the riggers of physical knocks and shocks. It includes standards and protocols to make it mobile, robust, reliable and not limited to one manufacturer (see â€Å"Bluetooth†. Grolier Encyclopedia of Knowledge, pp. 87-94). The operating band also fits the goals of Bluetooth, imposing requirements as a cable replacement. The cost needs to be comparable with cable. Reductions can be achieved by operating in the licence free 2. 4 GHz ISM band, keeping backward compatibility wherever possible lowers the cost of ownership by avoiding upgrades and having a relaxed radio specification enables single chip integrated circuit solutions. It also needs to be as reliable and resilient as cable and cope with errors and degradation caused by interference. For mobile devices it must be compact, lightweight, low power and easy to use (see â€Å"Bluetooth†. Grolier Encyclopedia of Knowledge, pp. 87-94). A. 1 Frequency Hopping We have addressed the reasons for the Bluetooth without delving into the ‘nuts and bolts’ of the technology to discover how it operates. For the majority of countries the ISM band used by Bluetooth is available from 2. 40-2. 4835 GHz, although some countries impose restrictions. In this band Bluetooth uses Frequency Hopping Spread Spectrum (FHSS) techniques in order to improve its immunity from interference (see J. Bray and C. F. Sturman, Bluetooth: Connect Without Cables†, Prentice Hall). In unrestricted countries the radios hop in pseudo random sequences around all available channels, this equates to 79 RF channels with a channel spacing of 1 MHz. Starting at a base frequency of 2402 MHz then the frequency of the channels, f, can be expressed as: f =2402 + n MHz where, n, is the channel number with an integer value in the range of 0 to 78. In restricted countries a limited frequency hopping schemes with just 23 channels is used and is catered for in the Bluetooth specification. Both hopping schemes have a 1 MHz channel spacing making it possible to design a simple radio interface whereby the baseband only has to specify a channel number and the radio multiplies this up to the appropriate frequency offset (see J. Bray and C. F. Sturman, Bluetooth: Connect Without Cables†, Prentice Hall). In this FHSS scheme there are 1600 hops per second, which is a hop every 625  µs. Part of this hop timing is taken up by the guard time of 220  µs allowing the synthesizer time to settle. The frequency hopping implements time division multiplexing as shown in Figure 2. The basis of the scheme has the Master device transmitting in the first 625 us slot, k, and here the Slave receives. In the next slot k = 1 the Slave is permitted to transmit and the master listens (see J.Bray and C. F. Sturman, Bluetooth: Connect Without Cables†, Prentice Hall). Figure 2: Frequency Hopping, master and slave interact on corresponding slots The radio must be able to retune and stabilise on a new frequency within tight time constraints. This is pushed further when establishing a connection; the hop rate can be shortened to every 312. 5 us. As the radios are constantly hopping to different radio channels, this ensures that packets affected by interference on one channel can be retransmitted on a different frequency channel. To further enhance resilience both ARQ (Automatic Repeat reQuest) and FEC (Forward Error Correction) form part of the specification (see J. Bray and C. F. Sturman, Bluetooth: Connect Without Cables†, Prentice Hall). One drawback with the normal hop sequence is the time taken for production testing. Bluetooth ensures adequate frequency coverage with a test sequence allowing the radios to be tested at a faster rate (see J. Bray and C. F. Sturman, Bluetooth: Connect Without Cables†, Prentice Hall).

Daphnia Dissection

Effects of Drugs on Heart rate Michelle Dilgard Undergraduate Student Education Major Biology Concentration Tennessee Technological University Cookeville, TN 38505 December 3, 2006 Table of Contents Page Abstract 1 Key Words 2 Introduction3-6 Methods and Materials7-8 Expected Results and Benefits 9 Results 10-11 Discussion12 Conclusion13 Literature Cited 14-15 Abstract This experiment is designed to find out how drugs affect heart rate. This experiment will use Daphnia in order to monitor the effects certain drugs have on heart rates.I will observe the changes in heart rate of Daphnia when exposed to Caffeine, Ibuprofen, Alcohol, and Nicotine. I will have several separate samples of Daphnia in my study. Each community will be exposed to a different drug and observe how the heart rate of the Daphnia changes accordingly. I believe the Daphnia heart rate will increase when the Daphnia are exposed to Caffeine and Nicotine because both of these drugs are stimulants. I believe the Daphnia heart rate will decrease and slow down when the Daphnia are exposed to Ibuprofen and Alcohol.This experiment will show not only the effects of these drugs on Daphnia but also what they similarly do to the human body when it is exposed. Daphnia are used as a humane alternative to Humans when performing this type of experiment. The results on the Daphnia will be very similar to how the human heart would react if exposed to these drugs. Key Words Nicotine Alcohol Caffeine Ibuprofen Effects of Drugs Daphnia Magna Heart rate Drugs Heart Introduction My experiment deals with the affects of different drugs on the heart rate of daphnia. I will focus on the daphnia’s body itself first.Then I will give information pertaining to the drugs used: Caffeiene, Ibuprofen, Alcohol, and Nicotine. Daphnia are small crustaceans that live in the water. They are commonly called water fleas. Daphnia are freshwater zooplankton and consume phytoplankton and some other zooplankton as well. The daphniaà ¢â‚¬â„¢s bodies are transparent and their internal structures can easily be seen. The heart is the internal organ I focused on within the daphnia. The heart can be easily seen within the body cavity of the daphnia which made it easy to find and easy to count the heartbeat (Villegas-Navarro 2003).Caffeine is a very important drug to consider because 90% of American consumes caffeine on a daily basis. Half of all American consume more than 300 mg of caffeine a day which makes it America’s most consumed drug to date. Caffeine is found in coffee, soda, tea, chocolate, etc. Caffeine is known as trimethylxanthine in the medical community. Caffeine can be used as a cardiac stimulant and also as a mild diuretic. Cardiac stimulants increase the heart rate, and diuretics increase urine production. Caffeine is a very addictive drug and operates just like amphetamines such as cocaine and heroin (Nehlig 1992).Caffeine not only stimulates the heart of humans but also the heart of daphnia ( Foster 1997). Ibuprofen is commonly used to relieve pain, tenderness, swelling and stiffness caused by arthritis. It is also used to relieve mild to moderate pain in the body and reduce fever. Ibuprofen is called a NSAIDs. It works by stopping the body’s production of a substance that causes pain, fever, and inflammation. Ibuprofen is most often used to treat arthritis (Cluevers 2004). Alcohol is often used as a solvent in medical drugs, because of its low toxicity and ability to dissolve non-polar substances.Ethanol is often used as an antiseptic, to disinfect the skin before injections are given. When processed correctly Alcohol is drunk in recreation. Alcohol affects the body as a nervous system depressant (Wong 1997). Nicotine like caffeine is a stimulant. This stimulant is found in cigarettes. Cigarettes contain 8 to 20 milligrams of nicotine but when smoke only 1 mg of nicotine actually enters the body. Nicotine can have two effects on the body, it can relax a perso or it can stimulate a person, this is based on the amount and the regularity of smoking or nicotine intake.Nicotine works by causing a releas of adrenaline into the body. Statement of Problem How do certain drugs affect heart rate? Objective/Hypothesis Statement This experiment is designed to find out how drugs affect heart rate. This experiment will use Daphnia in order to monitor the effects certain drugs have on heart rates. I will observe the changes in heart rate of Daphnia when exposed to Caffeine, Ibuprofen, Alcohol, and Nicotine. I will have several separate samples of Daphnia in my study.Each community will be exposed to a different drug and observe how the heart rate of the Daphnia changes accordingly. i. e. Foster 1997 I hypothesize that the Daphnia heart rate will increase when the Daphnia are exposed to Caffeine and Nicotine because both of these drugs are stimulants. I hypothesize the Daphnia heart rate will decrease and slow down when the Daphnia are exposed to Ibuprofen and Alcohol. The null hypothesis to this is: I hypothesize that drugs will have no effect on the Daphnia’s heart rate. Methods and Materials Data Form |Resting Heart Rate |Heart Rate 1 |Heart Rate 2 |Heart Rate 3 | |Alcohol 1 | | | | | |Alcohol 2 | | | | | |Alcohol 3 | | | | | | | | | | | |Ibuprofen 1 | | | | |Ibuprofen 2 | | | | |Ibuprofen 3 | | | | | | | | | | |Caffeine 1 | | | | | |Caffeine 2 | | | | |Caffeine 3 | | | | | | | | | | | |Nicotine 1 | | | | | |Nicotine 2 | | | | | |Nicotine 3 | | | | | ProcedureI used a modified version of the experiment performed by Jasmine Kamai and Varner Allbrett when they studied the effects of Kava on the heart rate of Daphnia. My procedure is as follows: Before beginning my experiment I must mix the drug solutions to be used. First I will dissolve ibuprofen and caffeine tablets into a solution of water in two different containers, that I will later determine what strength to make each. I will also tear open cigarettes and mix the tobac co with water and let sit for 24 hours after which I will drain the water off into a container which will make up my nicotine solution. For alcohol I will just mix vodka and water to a desired strength in a 4th container. Next I will cipher out a daphnia and drop it onto a slide to be viewed under a microscope.I will record its normal heart rate. Next I will add a drop of the alcohol solution and over the next 5 minutes I will record the changes in heart rate after one minute of exposure, 3 minutes of exposure and then 5 minutes of exposure. After recording my results I will dispose of this Daphnia. I will do this same portion of the experiment with two more daphnia. I will then continue with this procedure while using the other three drugs. I plan to use the lab facilities in the Biology Building on Tennessee Tech’s Campus. Along with most of their lab equipment including: microscope, slides, vials, Petri dishes, droppers and other equipment. Materials Water Depression Slide sCover slips Droppers Daphnia Magna Microscope Watch Petri Dishes Daphnia Anatomy Chart Cigarettes 80 proof vodka No-dos Ibuprofen tablets Expected Results and Benefits After performing this experiment I expect to find that the Daphnia’s heart rates will increase with Nicotine and Caffeine because both of these drugs are stimulants and that the Daphnia’s heart rates will decrease with Alcohol and Ibuprofen solution. This experiment will show not only the effects of these drugs on Daphnia but also what they similarly do to the human body when it is exposed. Daphnia are used as a humane alternative to Humans when performing this type of experiment. Results Normal |w/Caffeine |w/Alcohol | |84 |100 |89 | |80 |102 |85 | |86 |105 |90 | |88 |109 |91 | |82 |109 |88 | |84 |103 |85 | |90 |110 |93 | |86 |106 |89 | |80 |90 |84 | |84 |88 |87 | Heart Rate of Daphnia when exposed to Caffeine and Alcohol Change in Heart Rate of Daphnia when exposed to Caffeine Change in Heart Rate of Daphnia when exposed to Alcohol Discussion After performing my experiment I found that Daphnia Magna heart rate greatly increases when exposed to Caffeine. Caffeine is a stimulant and should produce that affect (Nehlig 1992). Caffeine has similar affects on humans (Foster 1997).The heart rate increased anywhere from 10 to 20 beats per minute. As seen in my data table the heart beats sometimes jumped from a normal heartbeat in the 80s to a heartbeat in the 100s when exposed to caffeine. Gerald Adams also found the same result when he tested his hypothesis. I also found that Daphnia’s heart rate slightly increased with the exposure to Alcohol. The heart rate does not have as drastic a change when exposed to Alcohol as it did when exposed to Caffeine. The heart rates just increased by about 5 to 10 beats per minute. As seen in my data table the heart beats only jumped from a normal heartbeat in the 80s to a heartbeat in the 90s when exposed to Alcohol.This was disproved by sever al different experiments (Wong 1997). Wong found that the heart rate of daphnia decreased. Since alcohol is a depressant it should have lowered the heart rate of daphnia. I feel that the increase in stress on the Daphnia may have called this time of increase. When Daphnia is exposed to Nicotine and Ibuprofen, the heart rate of the daphnia could not be seen as any different. (Sollman 1999). Although Cluevers said that there should be a change in the heart rate (Cluevers 2004). Conclusion In conclusion I have determined that the heart rate of Daphnia can be affected by adding different drugs. Daphnia heart rate increased by ten to twenty beats per minute when exposed to Caffeine.Daphnia heart rate increased by five to ten beats per minute when exposed to Alcohol. Unfortunately the results for Ibuprofen and Nicotine could not be seen. There was not enough evidence to determine how the Heart rate changed when the Daphnia were exposed to Ibuprofen and Nicotine. By doing this experiment i t can be assumed that the some of the same reactions could be found if Humans are exposed to these Drugs. Literature Cited Cluevers, Michael. 2004. Mixture toxicity of the anti-inflammatory drugs diclofenac, ibuprofen, naproxen, and acetylsalicylic acid. Exotoxicology an Environmental Safety 59: 309-315. Foster, Rachel. 1997. A stroboscopic method to investigate the effect of caffeine on Daphnia hear rate.Journal of Biological Education 31: 253-255. Nehlig, A. , J. L. Daval, and G. Debry. 1992. Caffeine and the central nervous system: mechanisms of action, biochemical, metabolic and psychostimulant effects. PubMed. com. Villegas-Navarro, Arturo, Esperanza L. Ross, and Jose L. Reyes. 2003. The heart of Daphnia magna: effects of four cardioactive drugs. Comparative Biochemisty and Physiology Part C Toxicology and Pharmacology 136C: 127-134 Wong, Diana C. L. , Philip B. Dorn, and Eric Y. Chai. 1997. Acute toxicity and structure-activity relationships of nine alcohol ethoxylate surfacta nts to fathead minnow and Daphnia magna. Environmental Toxicology and Chemistry 16: 1970-1976. . Appendix Normal |w/Caffeine |w/Alcohol | |84 |100 |89 | |80 |102 |85 | |86 |105 |90 | |88 |109 |91 | |82 |109 |88 | |84 |103 |85 | |90 |110 |93 | |86 |106 |89 | |80 |90 |84 | |84 |88 |87 |

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Her skin, so brown and hardened, had not that look of flabbiness, as if the sap beneath it had been secretly drawn away. (Cather, 217). Cather had her be the vision of a woman who could still be proud even after a life of hardship. Cathers use of the daughters being the main lifeline for families switches the roles between them and the sons (Bloom, 17). Bloom brings up a very good point in that the families often relied on their daughters for support rather than their sons. Frances was the oldest daughter of the Harlings. Frances, was a very important person in our world. She was her fathers chief clerk, and virtually managed his Black Hawk office during his frequent absences (Cather, 97). Antonia was the Shimerdas communicator for the outside world and she also worked in the fields to support her family when her father died. When Lena, Tiny and Antonia went to Black Hawk for work they always sent the money back to their families, keeping only enough to get by for themselves. Antonia seemed fine with this and often bragged how much ploughing she had done that day. (Cather, 118). So, where were the boys while the females labored tirelessly? They were almost never out in the fields working, they were just in school. Other farmers greatly approved of women working to support their family and saw nothing unusual with women doing a mans job. The farmers liked her and were kind to her, said they would rather have her for a hand than Ambrousch (Cather, 95). Women could do more than just stay inside and cook, they could do hard labor and have jobs just like any man could. Willa Cather portrayed all of her women characters as strong roles models ready to combat whatever came their way. They could run business, work on the farm and raise a family all by themselves. These women were not affected by societys beliefs, stereotypes bounced off them as they went on their way, being just as capable as men. They were independent and could lead their own lives. 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