Art free essay sample

Provides a definition of art by philosophers. This paper discusses the viewer?s experience of art as philosophers would see it and includes a comparison between Aristotle and Susan Sontag . The paper also looks at how we understand and interpret art as well as how we critic it. The viewers experience of art as philosophers see it, including a comparison between Aristotle and Susan Sontag . How we understand and interpret art are as well as how we critic it.

A Brief History of Plasma Television

A Brief History of Plasma Television The very first prototype for a plasma display monitor was invented in July 1964 at the University of Illinois by professors Donald Bitzer and Gene Slottow, and then graduate student Robert Willson. However, it was not until after the advent of digital and other technologies that successful plasma televisions became possible. According to Wikipedia a plasma display is an emissive flat panel display where light is created by phosphors excited by a plasma discharge between two flat panels of glass. During the early sixties, the University of Illinois used regular televisions as computer monitors for their in-house computer network. Donald Bitzer, Gene Slottow, and Robert Willson (the inventors listed on the plasma display patent) researched plasma displays as an alternative to the cathode ray tube-based televisions sets being used. A cathode-ray display has to constantly refresh, which is okay for video and broadcasts but bad for displaying computer graphics. Donald Bitzer began the project and enlisted the help of Gene Slottow and Robert Willson. By July of 1964, the team had built the first plasma display panel with one single cell. Todays plasma televisions use millions of cells. After 1964, television broadcast companies considered developing plasma television as an alternative to televisions using cathode ray tubes. However, LCD or liquid crystal displays made possible flat screen television that squelched the further commercial development of plasma display. It took many years for plasma televisions to became successful and they finally did due to the efforts of Larry Weber. University of Illinois author Jamie Hutchinson wrote that Larry Webers prototype sixty-inch plasma display, developed for Matsushita and bearing the Panasonic label, combined the size and resolution necessary for HDTV with the addition of thinness.

Employee Benefits Essay Example | Topics and Well Written Essays - 1500 words

Employee Benefits - Essay Example In 1998 and 2000, other revisions on worker remuneration were effected. There was a proposition in 2002 to modify employee share based compensation. Actuarial gains and losses concerning employee benefits were acknowledged in 2004. In 2007, ceilings were introduced into defined benefit assets and funding requirements. In 2009, the ceilings on defined benefit assets and funding requirements were published as exposure drafts and discount rate for employee benefits using market yield corporate bonds was proposed. IAS 19 final interpretations were also published in 2009. The objective of IAS 19 Employee Benefits is to provide guidelines to both business and non-business organizations on how to measure, present and disclose the expenses of providing employee benefits. IAS 19 covers all known employee related expenditures. The employee benefits are expenses incurred by entities in exchange of services rendered by their employees. They include salaries and wages, profit sharing plans, compensated absences, leaves, deferred compensation programs, bonuses and free or subsidized good or services given to employees. It also covers various benefits paid to employees. The benefits are medical and life insurance benefits, pensions, house benefits, jubilee benefits, post employment medical and life insurance as well as termination benefits (Deloitte 2010c). IAS 19: Employee benefits suggest that organizations should acknowledge a liability or an expense resulting from consuming the service of an employee in the year in which the service was consumed. Therefore, IASB and IAS 19 recognize expenses incurred on the employee benefits on the year in which it occurred. The measurements, presentation and disclosures covers definite accounting period only. Measurement is defined as an action to obtain a magnitude of a given item or process. Therefore, employee benefits measurement is an attempt to assign value to what employees

Smart Green Technologies Research Paper Example | Topics and Well Written Essays - 1250 words

Smart Green Technologies - Research Paper Example Conservation of energy achieves this role of repairing. Imperatives responsible for controlling energy consumptions utilizes all environmental aspects are being by the help of ICT data centers. Opportunities that can be offered by ICT in helping economies respond well to the drastic effects of climate change are coming to the limelight. These opportunities will make the environment smart with low amounts of pollutants like carbon in the air. Designing of low cost equipment’s that provide value to the end users proves smart. Such equipment that develops from various technologies forms the discussion of this paper (Astorino n.d). Thermostats control the turning off and on of both air and temperature conditions, in businesses and homes. Some people still retain thermostats that tune for the same temperatures throughout the day. Most people do also use digital programmable thermostats that can set for different time periods at different temperatures. These settings last during the day and night. Thermostats whose temperature adjustment settings satisfy the interests and desires of all consumers are now available. Nest learnable thermostat is one such example. Nest learnable thermostat programs itself at different time intervals. It has a patented auto way feature. Auto way is a feature that uses a sensor which keeps track of all activities within the house. It monitors the heating or cooling needed as one moves around the home. When activity ceases for few hours, the machine goes into auto way mode. This turns the temperature settings to either a maximum or minimum that one has preset into its program. The nest learnable thermostat monitors a home at a 150 degree wide angle view sensor. It is in use at an average of nine homes out of ten. The machine is flying off the shelf at a high rate with a friendly cost of $249.00. It sets home temperatures to save money by at least 20% of the expected costs (Thiele 2-10). Apart from programming

Contemporary Ergogenic Aids

Contemporary Ergogenic Aids A literature review of contemporary ergogenic aids which have been recommended within the lay literature to improve exercise performance A number of psychological, mechanical, nutritional and pharmacological factors shown to limit exercise performance have been identified. Driving towards success, professional and amateur athletes attempt to identify these factors and to find techniques to minimise their likely impact. Specific nutrients or compounds used in an attempt to enhance the capacity of an individual to perform a specific task beyond effects attributable to training alone have been described as ergogenic aids (Williams, 1983).Currently, two nutritional aids have identified which are thought to reduce the rate of intramuscular metabolite accumulation, beta alanine and sodium bicarbonate. Beta alanine supplementation increases intramuscular buffering capacity by enhancing intramuscular carnosine synthesis. Whereas, sodium bicarbonate has shown to increase the extracellular buffering capacity by increasing the blood bicarbonate concentration (Requena et al. 2005). During high intensity exercise, fatigue is often associated to the excessive accumulation of metabolites, such as potassium ions (K+), hydrogen ions (H+), and phosphate ions (Pi+), and the availability of metabolic fuel sources (Fitts et al, 2008). The ergogenic potential of beta alanine and sodium bicarbonate have both become increasingly topical avenues of exploration due to the growing popularity of their supplementation by amateur and professional athletes.Therefore, this review will focus on critically evaluating the evidence on beta alanine and sodium bicarbonate, which are both currently recommended within the lay literature to enhance performance. Furthermore, to make a reasoned conclusion about nutritional manipulations which could enhance performance. Recently, a lay article claimed that beta alanine supplementation enhances performance for short duration and high intensity workouts, however decreases long duration performance (Oches, 2016). The rationale for this is based on well substantiated evidence that an increased level of beta alanine in the body elicits increased carnosine synthesis. Muscular acidosis has been recognized as one of the main causes of fatigue during intense exercise and carnosine has been shown to play a significant role in intramuscular pH regulation (Artioli et al, 2010). Therefore, Carnosine loading may enhance fatigue threshold and increase high intensity exercise performance (Blancquaert et al, 2014). Nearly a decade ago, it was demonstrated that chronic beta alanine supplementation was able to increase intramuscular carnosine content, suggesting that beta alanine is the rate-limiting factor for carnosine synthesis (Harris et al, 2006). Shortly after this, Hill et al (2007) demonstrated that increased skeletal muscle carnosine content was able to increase performance in various high intensity exercises. Following on from this, several high quality studies have explored the effects of beta alanine supplementation on sport-specific high intensity performances. These studies demonstrate that 1-10 minutes appears to be the effective time window where beta alanine is most beneficial (Salles Painelli et al, 2013). Looking closer we can see that studies which have attempted to enhance performance in exercises lasting less than one minute (Miro et al, 2013; de Salles Painelli et al, 2013) or over ten minutes (Thienen et al, 2012; Chung et al, 2014) have not found beneficial effects on performance. Whereas, studies which have examined exercises within this optimal time window have reported enhanced performance (de Salles Painelli et al, 2013; Hobsen et al, 2013). This would suggest that beta alanine supplementation may not be beneficial for enhancing short bouts of high intensity or endurance performance. A reason no positive effects are being seen in high intensity exercises lasting less th an one minute may be that these exercise models are not limited by intramuscular acidosis, thereby the increased buffering capacity of beta alanine is unable to show an effect. On closer observation we can see that some studies (Saunders et al, 2012; Ducker et al, 2013; Smith-Ryan et al, 2012) have reported that beta alanine is unable to improve repeated sprint performance and intermittent activities, where each exercise bout has been 30 seconds, signifying that beta alanine is unlikely to be beneficial in team sports, such as rugby and football. Although, it is important to mention that currently there is limited evidence examining the effects of beta alanine on sport-specific endurance events and team sport performance, consequently more research is needed before a reasoned conclusion can be made. Robust evidence suggests that the oral dosage of 4 to 6g beta alanine per day, over 4-10 weeks, increases carnosine concentrations by 40-80% (Blancquaert et al, 2015). Regarding the studies mentioned above, a dose response relationship is observed were the studies which prescribed >4g for a longer duration, reported greater improvements in performance compared to those that prescribed 4g for a shorter period of time. Looking closer we can see that Derave et al (2007) observed no significant differences in 400 meter running time trial performance following 4 weeks of beta alanine supplementation (4.8 g ·dayà ¢Ã‹â€ Ã¢â‚¬â„¢1) suggesting that a larger dose over a longer duration may be needed to see enhanced performance. For example, two studies previously mentioned, showed that 4-6 weeks of 6.4 g ·dayà ¢Ã‹â€ Ã¢â‚¬â„¢1 beta alanine supplementation improved time trial performance in well-trained subjects (de Salles Painelli et al, 2013; Hobsen et al, 2013). Regarding training status, Bex et al (2013) showed that well-trained subjects may be more responsive to beta alanine supplementation compared non-trained subjects. Furthermore, a recent study (de Salles Painelli, 2014) directly comparing whether well-trained subjects respond differently to beta alanine in comparison to non-trained subjects reported that beta alanine improves performance to a comparable extent in both well-trained and non-trained subjects. These observations are in agreement with the studies mentioned above where improvements were seen in well-trained subjects (Hobsen et al, 2013; Derave et al, 2007; de Salles Painelli, 2014). This illustrates the efficacy of beta alanine as an ergogenic aid irrespective of the training status of the subjects. Therefore, athletes as well as recreationally fit subjects could benefit from beta alanine supplementation. Overall, the scientific literature supports the claim that beta alanine supplementation has the potential to enhance sho rt duration high intensity workouts performance. In addition, the evidence supports that beta alanine has a weakened ergogenic affect with regards to long duration performance (Oches, 2016). Another recent claim made within the lay literature, states that sodium bicarbonate improves endurance performance by lowering blood lactate levels (Strength Fitness UK, 2017). Further recommends are that endurance athletes should supplement with 0.3g ·kg-1 of body mass to see improvements in endurance race performance. Lastly, it is suggested that the dose of beta alanine should be split into several smaller doses and ingested throughout the day. The rationale for this claim is based on the putative concept that the disassociation of lactic acid forms lactate and H+ which in turn decreases intracellular and extracellular pH. As mentioned before, sodium bicarbonate increases the extracellular buffering capacity by increasing the blood bicarbonate concentration, thereby causing an efflux of H+ from the muscle cells to the blood. Consequently, any ergogenic potential that sodium bicarbonate may impose depends upon the physiological demands of the exercise being adequate enough to induce a performance inhibiting level of metabolic acidosis. Looking closer we can see that there is substantial evidence demonstrating the ergogenic effect of sodium bicarbonate improving performance during short duration high intensity exercise. This effect has been reported within a range of exercise modalities which are known to elicit decreases in intracellular and extracellular pH, such as single bouts of supramaximal exercise (Thomas et al, 2015; Driller et al, 2012), high-intensity intermittent activities (Tan et al, 2010; Miller et al, 2015), and certain skill-based sports, such as judo and tennis (Tobias et al, 2010; Wu et al, 2015). In contrast, research investigating the use of sodium bicarbonate as a buffering aid in endurance performance has shown more inconclusive results (George and MacLaren 1988; McNaughton et al, 1999; Stephens et al, 2002; Northgraves et al, 2014). Delving deeper, studies which reported improvements in performance were those that tended to exhaust subjects in 1 to 7 minutes using repeated exercise bouts or single intervals (Thomas et al, 2015; Driller et al, 2012; Miller et al, 2015). The improvements seen here are likely to have been due to the energy system being utilized at the time, as much evidence illustrates that sprint-based exercises accumulate more intracellular and extracellular acid compared to endurance-based exercises (McNaughton et al, 2016), so it is likely that they will benefit more from the buffering capacity of bicarbonate than endurance athletes. For example, Northgraves et al (2014) reported no improvements for 60 minute time trial performance following sodium bicarbonate supplementation (0.3g ·kg-1 body mass) compared to Thomas et al (2015) where performance was enhanced by a 2.2% increase in mean power output during 70 seconds of all-out sprint. It must be pointed out that not all anaerobic based studies have observed a benefit following supplementation. The major differences in these studies are the timing of the dose and the trained state of the study subjects. It is also possible that large individual differences exist as far as response to supplementation is concerned.   For instance, a recent observation shows that individuals respond differently to 0.3g ·kg-1 body mass sodium bicarbonate supplementation, where time to peak pH ranged from 10 to 90 min post ingestion (Miller et al, 2016). This shows a high variability in the dose-response from sodium bicarbonate and holds a considerable limitation to all previous research that have usually utilized a standard pre-ingestion time of between 60 and 90 minutes and interpreted the response as an average of the group. This observation may have considerable practical implication, as a more personalized approach to sodium bicarbonate supplementation can be employed by athletes to elicit larger ergogenic effects. Wi th regards to the dosage, substantiated evidence suggests that 0.3g ·kg-1 5g ·kg-1 body mass of sodium bicarbonate is effective. Doses which are not within this range show to be less advantageous for enhancing performance and have shown to cause gastrointestinal discomfort (REF). Regarding training status, a common conception is that well-trained athletes are less likely to benefit from the use of sodium bicarbonate as their buffering systems are already so well developed. Although, a recent observation is that well-trained subjects are able elicit gains in performance from sodium bicarbonate more readily compared to non-trained subjects (Carr et al, 2011). This observation appears to be in line with the studies mentioned in this review which employed short duration high intensity exercise. For example, studies involving well-trained subjects showed improvements in performance (Thomas et al, 2015; Driller et al, 2012) whereas, smaller improvements were observed in studies involving non-trained subjects (Peart et al, 2013; Vanhatalo et al; 2010). Looking closer we can see that Vanhatalo et al (2010) reported no improvements in 3-min all-out sprint performance were observed following a dose of 0.3g.kg.bm sodium bicarbonate, among recreationally active subjects. Whereas among well-trained subjects, Driller et al (2012) reported ~3% performance improvement in average power during a 4 minute all-out sprint following the same sodium bicarbonate supplementation (0.3g.kg.bm). Conclusion To summarise the literature reviewed, offering conclusions on the value and appropriateness of lay literature available to modern day athletes and performers. (Synergist with bicarbonate ; Co-supplementation of ÃŽÂ ²-alanine and sodium bicarbonate, to increase both intracellular and extracellular buffering capacity, was shown to result in additional improvements above ÃŽÂ ²-alanine alone). This is where you will make your conclusions about the truth of the claims. References Artioli, G.G., Gualano, B., Smith, A., Stout, J. and Lancha Jr, A.H., (2010). Role of beta-alanine supplementation on muscle carnosine and exercise performance. Med Sci Sports Exerc, 42(6), pp.1162-1173. Bex, T., Chung, W., Baguet, A., Stegen, S., Stautemas, J., Achten, E. and Derave, W., (2013). Muscle carnosine loading by beta-alanine supplementation is more pronounced in trained vs. untrained muscles. Journal of applied physiology. Carr AJ, Hopkins WG, Gore CJ. Effects of acute alkalosis and acidosis on performance: a meta-analysis. Sports Med. 2011; 41:801Y14. Chung, W., Baguet, A., Bex, T., Bishop, D.J. and Derave, W., (2014). Doubling of muscle carnosine concentration does not improve laboratory 1-hr cycling time-trial performance. International journal of sport nutrition and exercise metabolism, 24(3), pp.315-324. de Salles Painelli, V., Roschel, H., De Jesus, F., Sale, C., Harris, R.C., Solis, M.Y., Benatti, F.B., Gualano, B., Lancha Jr, A.H. and Artioli, G.G., (2013). The ergogenic effect of beta-alanine combined with sodium bicarbonate on high-intensity swimming performance. Applied Physiology, Nutrition, and Metabolism, 38(5), pp.525-532. de Salles Painelli, V., Saunders, B., Sale, C., Harris, R.C., Solis, M.Y., Roschel, H., Gualano, B., Artioli, G.G. and Lancha Jr, A.H., (2014). Influence of training status on high-intensity intermittent performance in response to ÃŽÂ ²-alanine supplementation. Amino acids, 46(5), pp.1207-1215. Ducker, K.J., Dawson, B. and Wallman, K.E., (2013). Effect of Beta alanine and sodium bicarbonate supplementation on repeated-sprint performance. The Journal of Strength Conditioning Research, 27(12), pp.3450-3460. Mero AA, Hirvonen P, Saarela J, et al. Effect of sodium bicarbonate and betaalanine supplementation on maximal sprint swimming. J Int Soc Sports Nutr 2013; 10:52. Fitts RH. The cross-bridge cycle and skeletal muscle fatigue. J. Appl. Physiol. 2008; 104:551Y8 Nieper, A., (2005). Nutritional supplement practices in UK junior national track and field athletes. British journal of sports medicine, 39(9), pp.645-649. Oches, E. (2016). Everything You Need To Know About Beta Alanine. Available: https://gymjunkies.com/beta-alanine/. Last accessed 12th Feb 2017. Petrà ³czi, A., Naughton, D.P., Pearce, G., Bailey, R., Bloodworth, A. and McNamee, M., (2008). Nutritional supplement use by elite young UK athletes: fallacies of advice regarding efficacy. Journal of the International Society of Sports Nutrition, 5(1), p.22. Saunders, B., Sale, C., Harris, R.C. and Sunderland, C., (2012). Effect of beta-alanine supplementation on repeated sprint performance during the Loughborough Intermittent Shuttle Test. Amino acids, 43(1), pp.39-47. Solheim, S.A., Nordsborg, N.B., Ritz, C., Berget, J., Kristensen, A.H. and Mà ¸rkeberg, J., (2016). Use of nutritional supplements by Danish elite athletes and fitness customers. Scandinavian journal of medicine science in sports. Smith-Ryan, A.E., Fukuda, D.H., Stout, J.R. and Kendall, K.L., (2012). High-velocity intermittent running: effects of beta-alanine supplementation. The Journal of Strength Conditioning Research, 26(10), pp.2798-2805. Van Thienen, R., Van Proeyen, K., Vanden Eynde, B., Puype, J., Lefere, T. and Hespel, P., (2009). b-Alanine improves sprint performance in endurance cycling. Med Sci Sports Exerc, 41(4), pp.898-903.

Free Things They Carried Essays: The True Enemies :: Things They Carried Essays

The True Enemies in The Things They Carried  Ã‚   In Tim O'Brien's Story "Enemies," one sees several signs that explain the aspects of the Vietnam War, and the actions of two soldiers that snapped under the pressure built up by the war. These pressures caused little tiny things to create tension not only in the minds of soldiers, but also between two soldiers. For example, conflicts grew between Lee Strunk and Dave Jensen. Two soldiers, whose actions were sparked by the craziness of the war, Lee Strunk and Dave Jensen's argument over a jackknife illustrates a perfect example of how tension built up during the war. Both men know all to well what was gong on in the war, they understood that many times they encountered men who they thought were South Vietnamese, but with the quick pull of a gun or knife a whole battle resulted because of the unknown association between the South Vietnamese and the Vietcong. On the message bard, Jeff Jacobie stated, "soldiers in Vietnam were never sure who they could trust; they were not sure if the peasants they were around were secretly loyal to the VC or not." This lack of defined enemy drove the soldiers in the war berserk. Throughout the war, an unclear enemy caused many problems for the Americans. They would ambush a town, and before they knew it, they were under scrutiny for killing people who may or may not of had any association with the Vietcong. Yet, it was a ri sk they had to take in the war, and this risk caused immense stress and tension for soldiers "humping" through the rice fields of Vietnam. Not only from not knowing who the enemy was, tension also grew in the soldiers because of their loneliness and lack of understanding for why they were in Vietnam. Most of the time, soldiers humped around the lonely land of Vietnam with the same guys for months except for the occasional supply chopper that came in or the brief radio contacts with headquarters in order to receive backup and orders. Soldiers had very little contact with others, and this isolation would drive any man crazy. In order to get by, the soldiers had to rely on each other. If they could not trust each other with their lives, none of them would ever make it back to the States to enjoy the aspects of life away form war.

Victor Frankenstein’s

As I walked through the huge cold rusty door of Frankenstein's workshop, my nostrils suddenly burned with the disgustingly smell of decaying flesh and dried blood, but still I carried on my journey threw the cold workshop. I looked up and there were broken electrical cables running right to the center of the workshop. Every couple of seconds they gave out a sudden spark of electricity. Whilst I was wondering what they were being used for, I walked further in to the workshop and I tripped over a blood covered sheet I panicked and kicked the sheet of me, and jumped back to my feet. I couldn't figure out what the electrical cables were being used for so I decided to follow them deeper in to the workshop. Along my path, I walked across broken bottles and tubes all with their contents covering the floor, and their were more of undamaged ones stacked up high on shelves, filled with their own custom colors and distinctive smells. I finally came to be the cables were linked up to, it seemed to be a giant copper tank filled with discolored water, and chunks of bone and flesh, which smelled like rotten egg. It had steam slowly escaping from the poorly welded seems of the tank, I looked behind the tank to discover another one, This one had dark green water in it and was glass, completely opposite to the copper tank, I decided to take a look. The tank was filled with dead electric ells, which had been obviously there for a while, as they were decaying. I heard loud scratching noise coming from a door in the workshop, I slowly wondered towards it,and give it a small push open, when suddenly two or three rats came scurrying out of it, they ran off somewhere behind the tank, I mainly focused what was in the room, their was a window in the corner letting rain threw its hole in the glass, it hadn't been cleaned by the looks of things since it had been installed as it was covered in years of dust and grime. I walked into the room to see what lied on the table that laid in the middle of room, the table was covered with books, one book laid open reading â€Å"Life after death†. At the other side of the table were two dissected frogs, one of them laid lifelessly with a big gash running down its back, and the other one had small wires attached to its hands and feet, I knocked a book to the floor I bent down to pick it up, and I saw a key I picked both the key and book up, I read the book cover which read â€Å"bringing back the dead† and I put it back on the table, I saw another door next to an old bookshelf, I tried to open it but it was locked. I looked at the key and tried it in the lock it worked, and I opened the door. I jumped back in fear as the door lead to a closet containing human body parts and organs I quickly slammed the door shut and ran to the other side of the room. I vomited, I panicked and ran out the room back to the main part of the workshop, to again smell decaying flesh, I ignored the smell this time and I continued running back to the entrance following the electrical cables which lead me into the workshop, I reached the rusty door and pushed it open to let me free in to the rain outside and to take a much needed fresh breath of air.