Liquid Fluoride Thorium Reactor Essay Example for Free

Liquid Fluoride Thorium Reactor Essay Recently the spotlight has been set on renewable energies to assist with weaning off of greenhouse gas emissions, solving issues with energy independence, and to exploit their inherent renewability. Unfortunately our technology is not quite up to speed economically with our wish to rely completely on renewable energy, thus many non- renewable energies are recognized as viable options to power our economy (Fraser, 2011). The United States current position on diversifying with non-renewables onsists of oil, natural gas, coal, and the less spoken of, nuclear power. Nuclear power is the process by which a reactor contains a slow explosion called fission, which gives Offa positive net amount of energy that can be harvested. Of course the social stigma around nuclear is so strong that even if there were an undiscovered completely safe type of nuclear power plant, Justifying the complex science would be challenging. After events such as Fukushima, Chernobyl, and Three Mile Island, the vast majority of society believes nuclear energy is nothing more than a death wish. Contrary to popular belief, a safer alternative in nuclear energy has been discovered and has been gaining popularity over the past few years despite the recent tragedy in Japan (Sorensen, 2011). Though newly rekindled, the non-mainstream nuclear power known as Molten Salt Reactor (MSR) was discovered in the 1960s and had been proved to be a very attractive option to the more popular Light Water Reactor (LWR). It all began with nuclear physicist Alvin Weinberg, who would graduate from the University of Chicago soon become research director at the Oak Ridge National Laboratory (ORNL). Weinberg was given the freedom to experiment with designing multiple types of nuclear reactors including the prominent LWRs that are in commercial use today. Subsequently Weinberg had noted the potential danger of a LWR and moved on to designing a safer nuclear power technology that he would end up supporting for the rest of his life. His research team at ORNL created a fluid fuel in a MSR, opposed to the traditional solid fuel in LWRs, in order to decrease the pressure and overall danger of the system. To Weinbergs delight, although this rototype MSR had corrosive issues because of the salt involved, Weinberg deemed this technology far more superior to LWR. Furthermore, the worst part about current hatred for LWRs is that although it can be a dangerous process, the technology is revolutionary and its power has potential that we are seriously unaware of. For now with our current state of knowledge about nuclear power combined with our worlds predicament with how we generate power so ineffectively, MSRs must be and should have always been the governments number one priority (Sorensen, 2011). This pecific type of nuclear reactor is certainly on the minds of at least China, India, Brazil, Indonesia, South Korea, and Australia (Furukawa, 2008). Since these countries showed interest at least by 2008 it can be assumed that they are already in the process of construction. An example for our worst-case scenario would be for the United States to simply stand back and watch as the rest ot the world capi talizes on the best power generating technology known to man. A technology that of course the United States developed and had in operation fifty years ago, but the idea simply aded away. As the majority of the US would like to go green, it may not be too early to claim the MSR as green nuclear power. Nuclear reactors do not emit greenhouse gases taking care of one of the three major concerns with the future of energy. Though observing an entire life cycle of Thorium and materials to make the power plant, there are transportation emissions involved. It turns out however, that Thorium is extremely accessible in the US as it is already mined concurrently with other rare earth minerals but is typically discarded for lack of utility. The United States has omewhere in the order of 15% of the worlds total Thorium stockpile at around 15 million tons (Bonometti, 2008). Even if we were to run out of Thorium, the Moon has even greater amounts that by the time we begin to hit peak Thorium it will surely be so far in the future that extracting moon materials would not be a challenge. As an investor this further assures a safe bet, but what is so safe about the LFTR design is that a meltdown or explosion is so much more unlikely to occur than in LWR systems. Since the carrier of thorium is a liquid, liquid fluoride, it allows standard pressure at igh temperatures. Traditionally, in LWR, water had to cool down the solid fuel since it couldnt handle the high temperatures because of high pressure, which had always been a fine line behind meltdowns (Sorensen, 2011). In the LFTR, the system can naturally correct an over heated system by melting a frozen salt plug at the base of the system to enter into an emergency cooling tank. If LFTR technology has already been proved, proved to be safe, proved to be powerful, and proved to be available and cheap, then why doesnt the world run on it? The technology itself seems to be a it mysterious itself or maybe doubtful since it has already been ignored once before. What it comes down to is the timescale that nuclear reactors had been created. Back at Oak Ridge Laboratory where Weinberg had designed nuclear power he first designed the LWR, which happened to be more dangerous, but nevertheless reported his results. Quickly academics and politicians alike were astounded by the amount of power that could be generated through nuclear fission. Academics such as Weinberg understood the dangerous design of the LWR and proceeded to design afer alternatives, hence the MSR. Politicians on the other hand, had deadlines to meet, people to please, Jobs to create, and the LWR went commercial. There is even a specific phone call between President Nixon and a California LWR director expressing swift actions to commercialize the technology before elections (Sorensen, 2011). As Weinberg fought the Nixon administration to stop continuing with LWRs he was soon fired from the Oak Ridge Lab and so did the MSR department. Thus many scientists have since seen and admired his work and have finally had reason to express its arious benefits once the inevitable failures of LWR ensued, for example, Fukushima. In addition, it is important to note how resultant issues with LWR nuclear plants in the past have all been due to the intrinsic difficulty with handling a solid fuel at its required high pressure for fission to take place. In other words, none of those accidents would have happened if they would have simply listened to their founder, Weinberg, and chose to go with an MSR design. As the public is informed with this somewhat difficult science I imagine it will take about as long to understand the itterence in types ot nuclear reactors as it did tor the majority ot the population to understand the science behind the greenhouse effect. This is based on the fact that the same oil and coal industries will be threatened along with ill-educated environmentalists who will viciously support only renewable energy.

What is the Purpose of the War on Terror? Essay -- Terrorism Essays

The War On Terror. It is a name that brings many strong thoughts and emotions to mind for Americans still to this today. It is has been Americas longest war, most expensive war, and a deadly conflict. All in all, the Iraqi War from 2003 to 2011 brought a cost of 500,000 lives from civilians to militants (Vergano 1). Among the U.S. army alone it is estimated that around 900,000 veterans have had some form of injury ranging from PTSD to amputations (Ruis 1). Not to mention, many experts say once all war reparations have been paid the war will cost upwards of three trillion dollars (Broder 1). That means when the math is done, if the war cost were to be split evenly among all American households, than every family in the U.S. would have to pay $75,000 (Auken 1). When President Barack Obama was campaigning in 2008 he once argued that through various taxes the Iraqi War (2003-2011) was and is costing each America household over $100 a month (Broder 1). With such catastrophic cost and toll s of the thousands of innocent lives where can the foundations for such a war effort begin? Throughout the years many eyebrow-raising statements have been brought up concerning the war, which quickly begins to make any war effort basis appear shallow and weak. Peter Baker, a former White House correspondent, wrote a book in which an anonymous senior Bush administration official is quoted saying, â€Å"The only reason we went into Iraq, I tell people now, is we were looking for somebody’s ass to kick.† In addition, General John Abizaid, a former head of U.S. Central Command and Military Operations in Iraq for 2007 said, â€Å"Of course it's about oil; we can't really deny that," in and interview with CNN (Juhasz 1). With such startling statements over the years... ...heridan, Kerry. "Iraq Death Toll Reaches 500,000 Since Start Of U.S.-Led Invasion, New Study Says." The World Post. HPMG News, 15 Nov. 2013. Web. 04 Mar. Swanson, David. "You're More Likely to Be Killed by a Toddler than a Terrorist." Washington's Blog. Washington Post, 12 June 2013. Web. 23 Mar. 2014. Staff, CNN. "Bin Laden's Death: How the Story Unfolded." CNN. Cable News Network, 01 Jan. 1970. Web. 05 Mar. 2014. Gipe, Paul. "For the Price of the Iraq War, The U.S. Could Have a 100% Renewable Power System." Washingtons Blog. Washington Blogs, 11 Apr. 2013. Web. 27 Feb. 2014. Templeton, Tom. "9/11 in Numbers." The Observer. Guardian News and Media, 17 Aug. 2002. Web. 21 Mar. 2014. Vergano, Dan. "Half-Million Iraqis Died in the War, New Study Says." National Geographic Daily News. National Geographic Society, 15 Oct. 2013. Web. 04 Mar. 2014.

Advantages and Disadvantages of Television Essay

In today modern world television is the most popular and recognized from of media and most homes in the western and developed worlds own one. That small (in some cases rather large) box sitting in your lounge is your connection to the outside world. It is an indispensable item and many of us cannot imagine life without it. As with everything there are advantages and disadvantages with the television. The main advantage is televisions ability to bring you news as it happens. A second advantage is the fact we are using more than one sense when viewing. The final advantage in this essay is the vast amount of information and documentaries available for viewing. However the first disadvantage is the amount of time spent watching television is often considered a waste of time. The second disadvantage is the fact that families may be in the same room but with the television on may not even acknowledge each other. The final disadvantage illustrated in this essay is that young children are of ten being exposed to sex scenes and scenes of violence. Read more: Television advantages and disadvantages essay Firstly, for many of us the television is our first or only source of news and current events. Most channels have news updates up to four times a day and current affairs programmes which take a deeper look at the news that has affected the world that day or week. Theses programmes are often family friendly and are sometimes the only form of media available or easy to understand for children or non-speakers of English. These news shows keep people up to date on the outside world it is possible to know everything that happened in a day without even going outside. However these news shows can try and monopolize people’s opinions and be a bias to one political party or one side of a war. Secondly, what many of us do not realise is that we use at least two senses to enjoy television. We use our eyes to watch the television screen and the visual on the screen. We also use our ears or hearing to listen to the dialogue and noises on the screen. Compared to other forms of media which usually involve only one sense e.g. the radio only requires the hearing sense and a book only requires sight. Even though the television lets us see and hear things it can cause eyesight problems and many people turn there televisions up which can cause hearing problems. The final advantage is the vast amount of educational programming available for viewing particularly on channels like the discovery channel and national geographic which can educate and stimulate people and wet every audience member’s appetite. It is also the fastest way to improve your knowledge and help you learn something completely new. Where else can you learn about Marylyn Monroe and Winston Churchill in the same afternoon? Many people who cannot afford university or night courses or simply just want a basic knowledge of one particular subject or event. Use documentaries to quench their thirst for learning. The first disadvantage is that many people do not realise how much time they spend watching television if you spend one hour a day watching television. That is 365 hours a year and 3607 hours in ten years. You can only imagine what you could do with that time, it is possible to learn a language or do a university course. Many value their television shows over exercise or physical activity which can lead to obesity and ‘couch potato’. Many people also feel the desire to watch a favourite television show every day or every week and neglect social commitments and therefore becoming anti-social. A second disadvantage is that many people neglect their families so they can watch television. A family may be in the same room but would not say a word to each other or acknowledge each other. Many families now also eat dinner in front of the television which means normal dinner table conversation is lost. Most large families also have multiple televisions so that each member can watch the programme they would like to watch this means that some families may spend less than an hour in each others company before going to bed. A final disadvantage of watching television is the violence and sex scenes that young children are often exposed too. Many of us find shows with crime or violence entertaining but these are not suitable for children of young ages. These scenes are practically common on crime dramas. Children may not intentionally be being exposed but by simply being in or near the same room as an older child or adult watching the programme. With children being exposed to these scenes it can corrupt there innocent minds leading them in some extreme cases become violent to other children. It can also lead to more permanent problems such as violence or evil thoughts well into adulthood. Fortunately this can be easily avoided or reversed by not allowing young children to view these programmes by placing them in a different room from the television or sending them to bed. In conclusion television is perhaps the world’s greatest invention though it is possible it will one day be replaced by something resembling a computer it is still indispensable devise that takes up our time to exercise or our family time it can also have scenes that corrupt young minds. As Winston Churchill once said ‘the best things are either immoral or bad for you’ television is best in moderation. So next time you’re bored don’t turn on the television go out and play some sport. in todays modern world. Television however has advantages and disadvantages as illustrated in this essay. It can be an educational, multi-sensory communication

Office Romance Essay - 2407 Words

It is not morally acceptable for employers to make generalized rules against dating in the workplace. Such rules violate the employee’s personal rights and may act against a company’s best interests. There are morally and legally acceptable exceptions, however, when specific romantic relationships, such as those between supervisors and subordinates, are likely to create a financial and legal liability for a company, and hamper the company from conducting business. In these cases, it would be morally irresponsible not to have a specific policy forbidding the romantic relationships in question. The Privacy Spectrum The right to privacy can be seen as a spectrum with each end of the spectrum representing positions with which very few†¦show more content†¦The employee should be asked to cease the offending at-work behavior. If the employee is having trouble distinguishing between appropriate and inappropriate methods of inquiring about interest in the club, then the employer can ask that the employee simply refrain from mentioning the Lyon’s Club at work. In addition, the employment contract between the employee and employer should indicate that termination is a possible result of violating the company’s policies. The employee agreed to follow the company’s behavioral guidelines; he or she did not agree to give up membership in a private club. The point of this example is to illustrate the boundaries of the employer’s rights. The employer has the right to regulate at-work behavior, but attempting to regulate after-work personal time is generally beyond the scope of an employer’s legal and moral rights. This scenario does not fall within the scope of the courts assessment about when a company can violate a person’s rights. This situation of personal privacy is not as clear-cut as the first example of someone expecting privacy while showering at one’s own home. But, the argument that it is acceptable for employers to forbid employees from joining the Lyon’s Club is a difficult argument to support. Do not Date the Boss Compare this example to that of two employees who have chosen to engage in a consensual romantic relationship. One of the employees is the CFO of a large manufacturing firm and supervisors the other,Show MoreRelatedOffice Romance and Creating an Ethical Culture1071 Words   |  5 PagesGail Zellman, and Stephen J. Hirschfeld, â€Å"Office Romance: Are the rules changing?† Reviewed by, Robert Nzioka, 09-0199, Feb 2010. The corporate world has for a long time been bedeviled by the issue of office romance. In addition to meeting corporate challenges, companies must effectively deal with the likely impasse posed by office romance. 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