Deeper Philosophical Meanings :: essays research papers

One of ancient Greece’s tragic plays in entitled “The Bacchae';, written by Euripides. Many larger and deeper philosophical views are expressed in the play. The plot contains many speeches, and one might think at certain points that they would be the moral. The actual moral, however, is almost impossible to define. Euripides uses a style of writing that is heavy with surreal details that are not present in other Greek tragedies. On page 21, lines 506-7, the comment “How do you live? What are you doing? Who are you? You don’t know!'; helps the reader to comprehend what the play is all about when looked at from a critical point of view.   Ã‚  Ã‚  Ã‚  Ã‚  Dionysus, throughout the play speaks in a term that is almost cynical. His tone is mocking and at times sarcastic. Many times in the play, he refers to himself in the third person to heighten the sense of his power that the characters receive in the play, as well as make himself out to be a messenger of Dionysus, not the god himself. He encourages all to let out their true nature. As a god in ancient Greece, he stood for wine and drunkenness, ecstasy, sexual being, dance, and madness. It is hinted many times throughout the reading that Dionysus has a revenge motive. It is as if he wants to punish the population of Thebes for not taking his true power seriously. When he appeared on Earth, he could have made himself look like an all powerful god, but instead took on the form of a deviant youth and a weakling. He is irrational and one can pick up a sense of his wrath toward the people. Knowing all this, when Dionysus said, “How do live? What are you doing? Who are you? You don’t know!'; it is easier to define the meaning behind the statement.   Ã‚  Ã‚  Ã‚  Ã‚  Dionysus knew all along what his plan was against the people of Thebes. He also knew exactly how everything was going to turn out. It was his plan all along to punish the people for not treating him like the truly powerful god he was. He used Pentheus and a kind of sacrifice, and the women he drove to the mountains as his pawns. He used to women because he knew that the true power in the city lay in the women of the houses, not the men.

Brave New World and Blade Runner: Concern for humanity and its relationship with the natural world

Welcome to the second session of the â€Å"Reach to the Future† student conservation conference. The ethical issues reflected in this graphic are representations of humanity's interaction with nature in two futuristic literary creations; novel â€Å"Brave New World,† by Aldous Huxley, 1932, and film â€Å"Bladerunner: The Director's Cut† directed by Ridley Scott and released in 1992, a decade after its original. It has been in my experience in my post-graduate study of ethics and nature in futuristic texts, that many composers expose technological advancement and economic pressure as origins of environmental degradation. However, Huxley and Scott expand this concept, creating imaginary worlds where technology has also caused a loss of humanity and change in ethical standards. But are the concerns of these worlds purely imaginative? Or have Huxley and Scott simply analysed the advancement of technology and consumerism in their own contexts, in order to create a future world that is dehumanised and unnatural? Consider our context Year 12, and welcome to the future. By deliberately contrasting the setting of the ‘conventional' world state, to the ‘wild' Malpais, Huxley challenges the humanity's value in a genetically engineered world. In Chapter One, we are oriented to the technologically ‘perfect' world state of â€Å"Community. Identity. Stability (BNW, pg. 1) ,† 632 A. F. Imagery like â€Å"Cold for all the summer beyond the panes (BNW, pg. 1),† helps to describe a world that is natural to its inhabitants, but ethically disfigured for readers. However when Bernard and Lenina enter the Malpais in Chapter Seven, we adjust to a world that is similar to ours, yet is deemed â€Å"Queer (BNW, pg. 96)† by Lenina, a product of the genetically engineered World State. A birds eye view, accompanied with sensory imagery of sound, â€Å"rhythm of †¦ heart, (BNW, Pg. 96)† and touch, â€Å"eagle flew †¦ blew chill on their faces, (BNW, Pg. 96)† produces the contrast that enables Huxley to express that science and stability occur at the expense of humanity. This concern was evoked by his father's work in science, and also the 1930's Victorian view that science was developing at the same rate as humanity, later encapsulated in Orwell's novel â€Å"1984. To illustrate the erroneous nature of the contextual view, Huxley presented ethics and a connection with nature in a human, but diseased land that has been marginalised due to global advancement. In our context, scientific advancement at the expense of humanity is questioned in creating ‘designer babies' through IVF. Our ethics, and connection with natural practises are queried when numerous embryos are disposed of in the process of creating one ‘perfect' human. It seems much too like the marginalisation of the Malpais and nature to create a ‘perfect' society in the World State of BNW. Similarly, a contrast of scenes is used in Bladerunner to illustrate Scott's concern that consumerism is a primary cause of inequality in humanity and nature. The atmospheric setting in the opening montage illustrates a pervading darkness, with fearful synthetic sounds and a high camera angle zooming down onto the streets of fiery urban decay titled â€Å"Hades, Los Angeles, 2019. † The bird's eye view, like in BNW presents a dystopic vision, soon contrasted when Deckard visits Rachael at the Tyrell Corporation building. As Deckard's lift ascends, the camera scales the building from a slight angle of depression. The rain and lack of natural light is replaced with a golden glow, and once inside, musical director Vangelis ensures a soundtrack shift to peaceful wind chimes which successfully juxtapose the tranquillity of the corporate elite to the dystopic array of the cityscape. Globalisation, a 1980's contextual fear is expressed through setting as the essence of the destruction of humanity and nature in BR. The ‘little people' in Bladerunner, live with the pollution and unequal spread of resources that globalisation has caused. Similar is our own context, as due to economic globalisation more than half of the female population in Latin America live below the poverty line1. Advanced behavioural conditioning for economic capacity occurs in the World State of BNW, regardless of its effects on nature and humanity, which is another of Huxley's contextual concerns. After learning of ‘hypnopaedia' and the ‘neo-Pavlovian' conditioning of children to ensure an association of pain with nature, the structured juxtaposition of two conversations in Chapter Three further explains Huxley's concern. In Chapter Three, the hypnopaedia of the conditioning centre â€Å"I do love flying†¦ new clothes,(BNW, pg. 43)† is reiterated in Huxley's narration, â€Å"The voices were adapting †¦ future industrial supply (BNW, pg. 43). † This is further expressed in Mond's teachings in the garden as he states â€Å"under production†¦ a crime against society. (BNW, pg. 46)† Through structure, Huxley's concern that manufactured goods are deterring humanity's interaction with nature is unequivocal. Contextually, Huxley is criticizing the era of Fordism and the loss of values experienced in post WW1. Henry Ford, founder of Ford Motors, initiated an era of mass production of goods in the 1920s, advancing society's consumerism. Ford and economists grasped the level of spiritual emptiness apparent after WW1 and suggested purchase as a method of relief. Huxley witnessed human behaviour change as the appreciation of nature was noted as disadvantageous for industry. Huxley's concern advanced to Scott's era as well as our own where globalisation and mass production are the basis of our economy. Furthermore, our current level of technology allows many to live without human interaction, and much human behaviour involves expenditure, not the conservation of nature. Like structure in BNW, Symbolism works in Bladerunner in illustrating behavioural conditioning as detrimental to human behaviour, a concern that continued from Huxley's era to the 1980's. In the opening sequence, a long camera shot places our focus on a symbol of consumerism, epitomised by the ‘geisha' Asian woman ‘pill popping' on an animated billboard. When considering BR's setting, the continual reappearance and placement of the billboard on a skyscraper, Scott typifies consumerism as holding precedence over nature and humanity in Los Angeles, 2019. This consumerism symbolises the rise of the Asian trans-national corporations of the 1980s which was feared as an economic form of communism. The world was constantly reminded of the benefits of purchasing yet was rarely informed about the state of the environment which led to the considerable level of environmental degradation, including acid rain. Today, most developed countries have signed treaties regarding the environment. For example, the ‘UN Kyoto Protocol' urges all developed countries to reduce their Greenhouse Emissions by 5% every five years starting from the year 2008. However, the lack of ratification of this treaty, our material world, and the inescapable nature of advertising are still threats to our environment and also to the natural behaviour of human beings in the year 2004. Each character in BNW has a definite purpose in exploring Huxley's warning about humanity's detachment from the natural world. However, Mustapha Mond further explores Huxley's notion by also articulating the loss of humanity's values in a scientifically advanced setting. Mond is the mouthpiece of the World State, devoid of human values and thus his expressive dialogue and mannerisms clinically justify a society where everything can be standardised, mass produced and therefore stabilised. In Chapter Three, Mond talks with the students about families and the plight that emotional freedom caused in times before ‘Our Ford. Mond devalues emotion as â€Å"reeking (BNW, pg. 35),†and describes natural reproduction, families and monogamy in language â€Å"so vivid†¦ one boy†¦ at the point of being sick. (BNW, pg 32)† Dismissive nonetheless, Mond is merely encapsulating the change in human behaviour that scientific advancement has caused, and therefore communicating Huxley's concern. As Huxley toured Europe before completing BNW, Mond is modelled on post WW1 dictators such as Hitler and Mussolini. His personality also portrays the loss of values and spiritual emptiness experienced by many people in post WW1. In BR, Deckard is devoid of human values like Mond but unlike ‘John the Savage' from BNW, it is a replicant with no connection with nature, who exerts human values in Bladerunner. The rise of robotics in the 1980's influenced the character of Batty, and also Deckard. Batty exemplifies the ‘human robot' that science dreamed of in the 1980's, whereas, Deckard symbolises the loss of humanity that ethicists feared because of robotics. Roy Batty's â€Å"more human than human† genetic disposition allows him to exert intelligence, evident in his quotations of Blake â€Å"fiery the angels fell†¦ their shoulders roared,† and to exert physical duress, but only in the course of his four year life span. In the last scenes of the film, Batty's heightened self awareness and desire for emotion and life surpass his genetic limitations casting him as a Christ figure and also a fallen angel as he looks fruitlessly to his creator for a sense of meaning. With his final words, â€Å"Memories †¦ ost like tears in the rain,† Roy is cast as a tragic hero, and allows Scott to illustrate that when there is no longer an environment to exploit, like in the world in LA, 2019, those who possess desirable qualities will be oppressed, this ultimately leaving the world more inhumane. In our context, the empathy we feel for Batty, questions our ethics, asking what makes us human. Huxley skilfully satirises the social construct of the 1930's using ‘Soma' to express his concern for the conditioning of humanity against nature. The World State in London is a strangely benevolent dictatorship through Mond, where all aspects of an individual's life are determined and controlled by the state in the name of, â€Å"Community. Identity. Stability (BNW, pg. 1). † Another way to ensure stability is the encouraged use of the mind-numbing drug ‘Soma'. In the Malpais, Chapter Nine, Lenina â€Å"embarked for lunar eternity(BNW, pg. 127) † on an eighteen hour soma holiday to escape the reality of nature and humanity. ‘Soma' satirises the post WW1 regimes of Totalitarianism throughout Europe. The doctrine of Totalitarianism denied people intellectual stimulation, freedom of thought and a relationship with nature. Huxley introduces ‘Soma' to show a future world where the denial of a relationship with nature can be self induced. In BR's 1980's context, severe industrial pollution and urbanisation resulted in the detachment of people from nature In 2004, though Totalitarianism is a violation of basic human rights, many people choose to deny themselves' a qualitative relationship with nature by choosing to live in environmentally isolated, but grossly populated urban areas. The use of contextual irony in Bladerunner is contrasting to the use of satire in BNW as Scott's irony questions the ethical behaviour of humanity regarding technology. In the 1980's, robotics and computers were the result of technological advance, and robots were promised to take the place of humans in the workforce. In Bladerunner, Ridley Scott epitomises technology and humanity through the Nexus-6 Replicants, who are â€Å"more human than human† Human beings in Bladerunner live as second class citizens in desolate, socially inept conditions as we see J. F Sebastian and Deckard both living in solitude. Humanity in 2019 has no sense of the value of interaction, and consequently Ridley Scott placed the capacity for these human qualities in the Replicants. Ironically though, when the Replicants begin to show human emotion and need, such as Batty's need to ‘meet his maker,' they are ‘retired' by the human, by ultimately inhuman character, Deckard. This irony illustrates Scott's concern for a scientifically advanced world, with a dismal appreciation of human qualities and value. The same concern is expressed in the 1997 futuristic popular culture film, â€Å"Gattaca,† where your personality is irrelevant as genetic composition guarantees an you an occupation. Huxley and Scott have established quite a few concerns for our future. Strangely though, they have also warned about issues that are in need of conservation now. Again, close your eyes and imagine the natural world that you want in the future. Consider our context year 12, and help to create an ethically harmonious world for the future.

A Boy is A Man in Miniature Essay

â€Å"A boy is a man in miniature, although he may sometimes exhibit notable virtue†¦ he is also schemer, self-seeker, traitor, Judas, crook, and villain – in short, a man.† (Davies 9). The theme of being twice born is prevalent through the novel Fifth Business and is strongly demonstrated by the characters, Dunny, Percy and Paul. All three change their names, deny their past and become what their parents could never have imagined. Consequently, at the end of the novel, the characters come full circle, revealing the same boyhood traits they portrayed years ago and are ‘thrice born’. To begin, Dunstable Ramsay began in Deptford, and as a result of his relationship with his parents, specifically his mother, Dunny needed to reinvent himself. His first step was to remove himself from Deptford and join the army and it was during the war that Dunstable became born again. In the hospital, Diana decided that Dunstable â€Å"†¦sounds like a cart rumbling over cobblestones†¦Ã¢â‚¬  (Davies 85) so she gave him the name Dunstan. During this time, Dunny also discovers that his parents had passed away during the war, but Dunny says, â€Å"I felt the loss so little† (Davies 74). As a result, all his strong ties to Deptford had been cut. As Paul says at the end of the novel, â€Å"I can’t imagine your parents foreseeing that you would become a theorizer of myth and legend†¦ Hard people – especially your mother† (Davies 253) which is true; Mr. and Mrs. Ramsay would never have thought that their son would have become a writer of saints, with a new name, completely different life from his roots in Deptford. Moreover, Liesl says to Dunny, â€Å"One always knows the twice born† (Davies 217) and Dunny is clearly in that group. Similarly, consider Percy Boyd Staunton. Percy never liked the small town and a turning point for him is when he is caught â€Å"in the act† with Mable Heighington causing his father to decide to send him to an all boys school, removing Percy from Deptford. His father was a local doctor and entrepreneur, but Percy went far beyond him. At Leola and Percy’s wedding, for example, Dunny states, â€Å"Boy had far surpassed his father in ambition and scope. All he needed was time.† (Davies 111). â€Å"Boy† was Percy’s new name after the war, â€Å"because he summed up in himself so much of the glory of youth in the postwar period.† (Davies 103). As time passed, Boy became  increasingly separated from Deptford. His final ties with his past were severed by the death of his father, as Boy had no reason to look back anymore, only forward, only up. His father would never have imagined what Boy would become, for as Dunny states, â€Å"Where his looks and style came from I never knew; certainly not from old Doc Staunton†¦ or from his mother.† (Davies 103). Boy changed his religion, much to the distaste of his family, created an empire from sugar and tried his luck in politics. It is through these changes that Boy becomes twice born. The final character is Paul Dempster, who denied his past very quickly by running away with the circus during his childhood. Paul states, â€Å"I was too young for the kind of guilt my father wanted me to feel†¦ I couldn’t stand it† (Davies 251) so he felt he needed to leave and the circus was his first opportunity. He changed his name to Magnus Eisengrim as part of his magic show. Paul had never been back to Deptford since he left and when Dunny asked if he would like him to tell his mother he was alive, his response was, â€Å"She is a part of a past that cannot be recovered or changed by anything that I can do now.† (Davies 139) showing that Paul had completely disassociated himself from his past. He was the son of a Baptist minister, he should have grown up to be an example to everyone else in the town of how a person should be, but he became a magician instead. Paul was â€Å"†¦a poetic magician who took himself seriously.† (Davies 192) with an act like no other. It is clear that as soon as Paul ran away with the circus, he became twice born, but throughout his life, he was followed by the blame for his mothers’ madness. Finally, by the end of the novel, the characters have come full circle and in a meeting in Dunnys’ office, they discuss the matter of the snowball. Dunny becomes thrice born when he tells the truth about the snowball, relieving a burden that has governed him throughout his life. Dunny has always felt the same boyhood guilt and had finally come to terms with the incident. Paul was also thrice born as when he hears the story, he comes to realize that the blame that was on him as a boy for his mothers’ madness was not truly his. This brings into question, Boy. Did he in fact become thrice born? Any reader would like to believe so, and believe that he killed himself out of  guilt, but who can say for sure? He did say, â€Å"I wish I could get into a car and drive away from the whole damn thing† (Davies 232) But even as he left, Boy denied remembering the incident of the snowball and said that he did not feel any guilt. Furthermore as Paul was leaving, he said, â€Å"I have everything I need† (Davies 255), was he referring to the story or was he referring to the stone that was in the snowball?In conclusion, the concept of being twice born is the vessel for development of the characters in Fifth Business and is a reoccurring theme throughout the novel. Before the meeting Dunny says, â€Å"The cloaks we had wrapped around our essential selves were wearing thin† (Davies 233), suggesting that the concept of ‘twice born’ is not a permanent change but a means to come full circle and revisit their boyhood. During the meeting in Dunnys’ office, Percy says that boys are brutes because they do not know any better, but they grow up to be men, and Dunny replies, â€Å"Men who retain something of the brutish boy † (Davies 254). Boys truly are men in miniature, they can change appearance and their name, but they will always come full circle and realize those brutish boyhoo d traits in the end. Bibliography Davies, Robertson. Fifth Business. Toronto: The Penguin Group, 1970.

Information Technology on Financial Losses essays

Information Technology on Financial Losses essays If figures must be believed, the virtual world is not exactly a safe venue for business or private affairs. In its sixth annual Computer Crime and Security Survey in 2001, the Computer Security Institute of San Francisco reported on mounting financial losses to computer crimes and other information security breaches, 85% of which were incurred primarily by respondent large corporations and government agencies (Business Journal 2001). A third of these respondents said that they lost almost $400 million to cyber criminals in 2001 alone, an increase from a yearly average of $120 million in the three years before 2000 and $265 in 2000, according to the The most common forms of losses have been theft of proprietary information at an aggregate of $151 million and financial fraud at $93 million. Almost all of these occurred through their internet connection in combination with their internal systems as points of attack (Business Journal). Despite the rise of the said crimes, only one of three reported The US Department of Justice released a list of prosecuted crimes committed through the internet from 1998 to the present (2004). These crimes include the disabling of the control tower of a government facility, hacking, banditry or web banditry, theft of proprietary company information by an employee or outsider, computer sabotage, embezzlement by un- authorized sales of items or services, un-authorized access into credit card accounts, creation of destructive viruses or worms. The National Information Infrastructure Protection Act of 1996 amended the Computer Fraud and Abuse Act, codified as 18 USC 1030, the law against fraud and related activities in connection with computers (Department of Justice). It punishes anyone who knowingly accesses a computer internet connection without authorization or in excess of authorized access and acquires information prot...

Health And Safety Issues Of Immersive Virtual Reality Technologies Essays

Health And Safety Issues Of Immersive Virtual Reality Technologies Essays Health And Safety Issues Of Immersive Virtual Reality Technologies Paper Health And Safety Issues Of Immersive Virtual Reality Technologies Paper Gupta, Wantland and Klien (1996) propose that many of the peripheral equipments used in VR are possible fomites. A fomite is a safe object that is capable to harbour pathogenic organisms and as such, may work as an agent for the transmission of infectivity. They then propose that airborne pathogens and skin flora flourish in atmospheres as similar to those of HMDs and hand controller devices. An added thought at this point is that HMDs are frequently of enclosed design and produce a substantial heat in powering the displays. This can regularly lead to some sweating for the user particularly if the immersive task needs a definite amount of physical activity. Immersion Injuries Both Gupta et al. (1996) and Viirre (1993) propose that there may also be a chance of injury while the user is using a fully immersive HMD. As Viirre proposes, when a user is using an HMD, they are operationally blind in actual terms. This can cause problems due to conflict with real world objects or probably the VR system cabling and even if the user has some external vision, the forceful immersive scene may divert attention from the real world. Additional, many HMDs also offer sound cues for the user that effectively reduce aural stimulation from the real world. Physiological Physiological problems are probably the most well documented and at present, well researched sickness problem recently credited to VR systems. In fact some accounted physiological side-effects such as simulator sickness have been studied for some time. Of the probable physiological side-effects, visual symptoms and motion sickness type symptoms emerge to cause the most concern. As a result, majority of the studies into physiological results has been focussed in these areas. Visual Issues The visual presentation of the virtual atmosphere is very significant. The processing and organisation of visual input engages the use of a larger portion of the brain than for any other sense. North (1993) approximated that for a complicated task such as driving, 90 per cent of the received information is visual. It is therefore not astonishing that producers go to great lengths to offer a compelling visual atmosphere. As proposed however, stereoscopic semi-immersive systems may have added side-effects. One of the prime causes for the origin of side-effects is proposed to be the dissociation of accommodation and union in the visual system. Indication of Near Market Development In 1993, Mon-Williams, Wann and Rushton accounted physiological symptoms in many subjects pursued by immersion in an HMD. Of the 20 subjects who contributed in their experiment, 12 complained of symptoms such as headache, eyestrain and nausea and 4 displayed a transient decrease in binocular visual acuity. The subjects also displayed symptoms of binocular stress that included modifications in heterophoria and an increment in near point of junction. Mon-Williams and Pascal (1995) proposed that these symptoms of visual/binocular stress were connected, not only to poor image quality and close working distance of the screens, but more primarily with the inconsistency between space and convergence requirement when using a stereoscopic HMD. This problem will take place in any stereoscopic system where the main image is shaped on a flat screen and stereo images are presented by demonstrating slightly dissimilar images to each eye. In the natural atmosphere, focus and union are essentially connected. If one accommodates (focuses) on a near object, the eyes will automatically unite. Likewise, if focus is transformed to a distant object, the eyes will mechanically deviate slightly (see Figure 1). Using stereoscopic display devices such as shutter glasses or HMDs, this will not happen. In this situation, the focal demand is always invariable but the convergence demand modifies as the user regards objects at different geometric depths in the virtual world. This accommodation/ convergence is not a natural occurrence and has been said to result in visual stress. Probable Health Benefits Mutually Howarth (1994) and Wilson (1996) point out that in addition to looking for problems; it is significant to make out that VR methods may also attest helpful in various applications. Recently there is much investigation work being carried out in the VR field that will be of benefit to users. In terms of physical issues, more usual interface methods may reduce static posture problems, the use of LCD displays may minimise vision problems associated with CRT displays and physical loads associated with keying (Wilson, 1996). VR also presents a much improved method for health and safety training, even though as Howarth (1994) proposes, this function is largely concealed. VR methods can be used in ergonomic assessment of workspace plan, for fast prototyping of control interfaces, for the simulation of probably dangerous surroundings such as nuclear plant maintenance and in education and training of users in parts such as the maintenance of complicated machinery. As Howarth says, the fact that the use of VR has helped an operator avoid an accident or react correctly in the event of a crisis is largely unseen. VR also has numerous applications that can be directly linked to healthcare. In a white paper on the usage of Virtual Surroundings for Health Care, Moline (1995) shows numerous parts where patient care can be assisted by VR methods. These include:  ·Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   The use of VR for remote telesurgery.  ·Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   VR methods used in local surgery such as endoscopy, where the surgeon manipulates instruments by viewing a TV monitor.  ·Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   VEs used as surgical simulators or trainers.  ·Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   VEs used as therapy devices to reduce anxiety or fear. One example is dentists using 3D eyeglasses to divert a patients attentiveness during dental operations  ·Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   VEs are also being used to reduce phobias such as agoraphobia and vertigo. North, North and Coble (1996) present an indication of existing work in the use of VR methods to decrease phobias in their book VR Therapy. Conclusion Investigation into the side effects of VR use is a complicated and difficult business and it is clear that concerns do remain about the outcomes of using such systems. Educational investigation does show that some indications happen whilst using VR tools and that these outcomes (such as nausea) can be quite incapacitating in the interim. Whether or not there is a lasting outcome is difficult to find out, partly because of the fact that VR methods are comparatively new and are constantly evolving. References Bolas, M.T. (1994). Human elements in the design of an immersive system. IEEE Computer Graphics and Applications, 14, pp 55-59. Cobb, S.V.G., Nichols, S.C. and Wilson, J.R. (1995). Health and Safety Implications of Virtual Reality: In Search of an Experimental Methodology. Proceedings of FIVE ‘95 Conference. London, Dec. 1995. Costello, P.J. and Howarth, P.A. (1996a). Visual issues in virtual atmospheres Part 1. Optometry Today, March 11 1996 pgs 34-36. 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