Abstract This paper introduces some of fundamental concepts of electrostatics including: electric surface charge density, electric flux density, Coulomb's Law and the Gauss's Theorem.
Paper Outline:
Electric Charge
Electric Surface Charge Density
Electric Flux and Electric Flux Density
Fields and Potential
Electric Potential
Electric Field Strength
Coulomb's Law
The E Field for a Point of Change
Electric Potential in a Field Due to a Single Point Charge
Surface Charge Density and Curvature
Electric Field as the (Negative) Gradient of Potential
Gauss's Theorem
References
From the Paper "In some substances, particularly metals, negatively charged particles (electrons) can move easily. Such substances are called electrical conductors. Other substances, in which electrons do not move freely, are called electrical insulators. There is another group of substances which are neither good conductors nor good insulators but which have become increasingly important in the last 50 years; these are called semiconductors."
Abstract This paper explains that hybrid cars are any vehicle, which combines two or more sources of power such as a gasoline engine, fuel tank, electric motor, generator, batteries and a transmission. The author points out that Honda introduced hybrid cars, the Honda Insight, which was created to increase fuel economy and reduce emissions, to the public in the United States in 1999. The paper states that hybrid vehicles with high gas mileage and low emission, the alternative vehicles of the future, are now available on the market; there are several types of hybrids available from the standard economical cars Toyota Prius and the Honda Accord to the SUV, Toyota Highlander and Ford Escape and as an option in the luxury SUV, Lexus Rx 400.
From the Paper "Since 1999, car companies have put alternative fuel cars and hybrid cars on the market in the United States. Some of these cars are fully electric; these cars need to be recharged at the end of the day. Some of the cars available are a combination of an electric and gas motor; these are known as hybrid cars. These motor vehicles are the most popular on the road now. The engine is started from a gas-powered engine. Once the car is moving the electric and gas power engine propels the vehicle forward, maximizing the consumer's gas mileage. There are also vehicles that use fuel cells, which are cells that change fuels into electrical energy. Many different fuels can be changed into electrical energy, fuels such as hydrogen, methanol, natural gas, and gasoline. These fuel cells never need to be recharged, only need to be refueled. Fuel cell cars are not in major production in America."
From the Paper "Access control is the regulation of persons entering a certain area. Access control can stop or at least slow down unauthorized entry and therefore crime. A good access control system can eliminate the potential for internal and external theft, a huge problem in American business. The security of a building and everything inside of it is dependent on controlling those who enter the building. The most basic form of access control, keys, has been around in one form or another since long before the supposed birth of Christ. Other electronic access control systems have been around for approximately twenty-five years. In the past, identification of personnel was thought to be a strictly human function. Security guards and bank tellers were responsible for identifying all the people they came into contact with. The cost of using a person to recognize and identify other people is high and isn?t economically possible in all situations. It's been estimated that over a one year period it takes five security guards to cover one entrance, twenty four hours a day, allowing for a five day week and the normal vacation and lost time. Human guards are not perfect. They get tired and can make mistakes. In some cases they even collaborate with an intruder. A system is needed that can automatically identify authorized persons, or assist the guards that are responsible for the identification. "
Abstract A look at the moral questions around human cloning. The author discusses the effects of mass media on views of cloning, the the religious and scientific questions centered around the topic and the influence that cloning has on society as a whole.
TABLE OF CONTENTS
Introduction
Media Representation of Cloning
Uniqueness and Individuality
Motivations Behind Cloning
The Mad Scientist
Religion on Cloning
Is Cloning Permissible
Crossing the Line
Science and Religion
Unstoppable Science
Who is the Parent
The Dangers in Cloning.
Cellular Problems
A Twist on Creation
Medical OK Human-Cloning No Way
Government Regulations
Anti-abortionists
Clone Animals Benefits Human.
The Human Factor
Being Human ? A Life Worth Living
Expectations
Immortality
Author's Opinions
Paradigms
Act/Result-based
Conclusions
Work Cited
From the Paper "In the near future, we will have to face the fact that the course of science will always win and inevitability cloning of human or at least the cloning of organs will be performed. The question is "is cloning human beings acceptable and where do we draw the line"? Cloning has sparked controversies over the past few years. With the race to map the DNA and its completion, it has steered up the imagination of our society of what to come. In this paper, we will discus how the mass media has influenced our views and values associated with a human life and the possibility of it being cloned. We will also look at the religious point of view as well as the science on this issue. We will take a quick look on how cloning has and will affect society along with what it is to be human. This technology is still new and a lot the following will be opinions, ideas and reflections on this issue. One must take them into consideration. If one simply jumps to a conclusion, then one is fool hearted and naive since it is still too early to make such a decision whether it is permissible to clone to clone human beings. There is simply no right or wrong answer, just a matter of moral, ethics and what you believe in. For decades, cloning has been a novelty of science fiction movies but with the resent development in biotechnology and the arrival of Dolly the cloned sheep, the possibility of cloning a human being came ever so close to reality."
This paper discusses modeling of bipolar junction transistors, specifically using the Ebers-Moll Model; included are graphs/charts/mathematical formulae.
1,041 words (approx. 4.2 pages), 0 sources, 2001, $ 36.95
Abstract This paper discusses modeling of bipolar junction transistors, specifically using the Ebers-Moll Model. The author includes charts and graphs in support of the paper, as well as mathematical formulae and calculations.
From the Paper "The purpose of this lab was to understand how models of transistor voltage and current relationships are used to explain the behavior of bipolar junction transistor (BJT) circuits.BJT circuits are used to amplify small fluctuations in input voltage or current into larger, more easily observed fluctuations in output voltage or current taken from another part of the circuit. The transistor voltages and currents are characterized by small fluctuations about their steady state, or quiescent, values."
Abstract This report reviews literature on magnetic properties of electroplated Co-based magnetic films. The significance and limitations of electroplating Co-based magnetic films are analyzed. Complete with diagrams and charts.
From the Paper "Hard magnetic materials (permanent magnets) are suitable for use as media in recording and to fabricate magnetic MEMS devices because they can produce strong fields without having to apply a current to a coil; hence, they attracted more attentions in the electrical engineering recently [1-2]. Besides the hard ferrites and Nd2Fe14 B1, Cobalt or Cobalt-RE based magnets are mostly used hard magnetic materials. [1] Because of their good magnetic properties as well as their excellent mechanical properties. General speaking, Cobalt based hard magnetic materials can be fabricate by CVD or PVD such as RF sputtering, which will take pretty long time and cost much if one want to make relatively thick film that is around 20 mm or even thicker. Also, the fabrication of the film-type magnets on silicon wafers with CMOS integrated circuits has been considered as one of the most extremely difficult tasks due to the fabrication processing incompatibility between them [3]."
Abstract This report investigates the effects of the nuclear reaction accident at Three Mile Island. It includes a chronology, a detailed description of the after affects, and highlights ways to prevent future disasters such as Three Mile Island. The author also examines the process that nuclear reactors use to harness nuclear energy, and describes the many types of reactors out there.
From the Paper "Three Mile Island? To many, those three words are associated with other words like "nuclear meltdown", "radioactive release", and ?damaged environment.? Many people know very little about how a nuclear reactor works, what kinds of nuclear reactors there are, exactly what happened at Three Mile Island, and how many dangers could have been prevented. The truths behind these ideas, and facts to back them up are all apparent in this paper."
Abstract This report concerns Sun Microsystem's Jini technology and the strategy for its widespread adoption in the networking world. The report proposes a marketing plan and other necessary initiatives to make the technology a standard of networking. The report covers both the strategic initiatives taken thus far and the way forward and includes various diagrams and explanations.
Executive summary
Jini technology
Market Overview
Competition
Strategy for growth
Community Building
Industry Partnership for standardization
Branding Jini
Target Segment
From the Paper "Over the last quarter century, network technology has evolved immensely. Emerging network interaction has the capability to shatter existing performance ceilings. Participants in one network will directly access and use the services provided by participants in another network. Constructing networks that can adapt to the demands of dynamic computing environments requires an innovative architecture that can effectively and efficiently accommodate change and complexity. And at the same time, this technology must be easy to learn, use, and deploy. Remarkably elegant, yet unexpectedly simple, Jini network technology is designed to meet these requirements. "
An outline of the responsibilities and research of the renewable energy source ESEP group. In addition to describing the roles and each member of the group, the proposal explains the urgency and significance of perfecting non fossil fuel energy sources.
5,415 words (approx. 21.7 pages), 23 sources, 2001, $ 133.95
Abstract This research discusses the world's current energy crisis. Fossil energy comprises the majority of the world's energy source; however, these fuels pose threats to the environment and do not provide a renewable source of energy. Analysts predict that the world will run out of fossil fuels in forty to fifty years. Due to this impending crisis, experts research and attempt to determine renewable energy sources that meet the world's growing energy needs while considering the technical, environmental, financial, and social impact of these alternatives. This report summarizes four of the most developed renewable energy options that could feasibly replace fossil fuels as a source of energy, including fuel cells, solar power, wind power, and hydroelectric power. Fuel cells use substances such as methanol and oxygen to react and provide energy; however, obtaining a clean, reliable hydrogen source and lowering the cost must precede implementation. Solar power harnesses the sun's thermal with photovoltaic cells to produce electricity; the paper focuses on concentrating solar technologies and the addition research required to employ this alternative fuel source. Wind power uses turbines situated in a field to capture the kinetic energy of the wind; as one of the most frequently used renewable energy resources, this solution may become feasible as prices decrease. Hydropower uses flowing water through a system of turbines and generators to produce vast amounts of clean energy, but its environmental impacts are serious and widespread. All of these renewable energy sources have advantages and disadvantages when it comes to producing energy on a large scale. Some of these factors include cost, efficiency, environmental factors, and political and social factors. The report recommends an increase in research for each of these fields, and concludes that these renewable energy sources will only develop if society as a whole accepts the financial burden that accompanies them. Overall, the financial burden of renewable resources does not compare to the devastating effects that continued fossil energy usage will leave on the environment.
From the Paper "As the global energy crisis worsens, scientists and researchers internationally race to refine and implement renewable energy resources to provide societies basic power needs that do not depend upon the consumption of natural resources. Within the next century, if energy consumers continue to rely on resources such as coal, petroleum, and other fossil fuels at the current rate, society will deplete its fuel reserves, specifically petroleum, to the extent that alternate power sources become necessary to maintain current standards of living based on power sources. Environmentalists, scientists, and the general public target fossil fuel usage as the primary cause for the environment's poor condition; renewable resources will offer an opportunity to prevent and possibly improve damage caused by pollution from power procurement. Globally, consumers are ill-prepared for our inevitable reliance upon renewable energy resources; moreover, developing countries in the process of electrifying their citizens will not have the means to progress in the same energy-technology development cycle and cannot base their tenuous energy dependence on a rapidly waning fuel source. In the absence of fossil fuels, people must rely on new forms of transportation and energy to power our increasingly
technology-based society. Renewable resources, such as fuel cells, solar power, wind power, and hydro power offers an environmentally-savvy alternative to fossil fuels, yet many of these technologies require further research, refinement, and optimization before we can rely upon them as a substitute for fossil fuels in basic power needs (SolarPACES 1). The problem involves ensuring global preparedness when low energy reserves mandate the use of renewable energy resources through proper allocation of renewable energy technology, ethical support from the public and the government, financial flexibility, and environmental sustainability."
Abstract An in-depth look at aspects of human cloning. The author outlines some major points about the ethics, myths and process of human cloning. Included is an examination of various cloning foundations, the history and development of cloning, legal issues and an analysis of the ethicality and moral issues around the topic.
From the Paper "Cloning is one of the foremost thoughts on people's minds today. A clone is a group of genetically identical cells. The term clone also refers to a group of organisms that are genetically identical. Today science can clone an entire plant or animal, not just a group of cells. The process of cloning humans is currently being deemed unethical, but there are some in the scientific community that are in favor of this experimentation. A clone would look identical to its predecessor. All of the genes in the clone would also be the same but the application of these genes may be different. The clone would not have the same personality or mentality of his or her predecessor. Identical twins are clones of each other but they develop into two different people and are not considered to be the same. A person's clone would grow up differently and not be subjected to the exact same environment as it's predecessor, therefore so they may not be the same person except for in looks and genes. "
Abstract This paper presents a discussion about the reliability of Honda vehicles. The author argues that Honda is the most dependable car on the market, looking at how the car became a best-seller, consumer satisfaction, affordability, its proven track record, and low maintenance needs.
From the Paper "There are many things that make the Honda vehicle the most dependable car on the road. When they first came on the market they were so popular there were waiting lists that could take months to get through and receive a vehicle. Almost three decades later the Honda has held its appeal. One of the reasons the Honda is so popular is the dependability that it offers."
Abstract This paper is an in-depth research paper on the history and development of cloning. The author discusses such topics as procedures and methods, specific experiments, and risks and repercussions of genetic engineering. The paper also includes a discussion of birth defects in cloned animals, stem cell research, and the political and ethical debates concerning genetic engineering.
From the paper:
"Cloning is a form of genetic engineering in which the DNA of a person, animal, plant, or bacterium is used to produce a perfect or near perfect genetic replica of the original. A new individual is created from a single cell. Each group of researchers has its own specific technique. The best known is the Roslin technique, and the most effective and most recently developed technique is the Honolulu technique. The most commonly known are the Roslin Technique, The Honolulu Technique, and nuclear transfer. A technique known as twinning also exists, but it can only be used before an organism's cells split. The cloning of Dolly the sheep is considered by many to be the most important event in cloning history. Dolly was created by the Roslin Technique, which was created by the researchers at the Roslin Institute in Scotland. It spurred public interest in cloning and proved that the cloning of adult animals could be achieved. Until then, it was not known if an adult nucleus was able to produce a completely new animal. Genetic damage was possible, and researchers did not know if the damage would be reversible, but nevertheless, they took the chance."
Abstract This 5-page essay describes some of the "new" technologies and their global benefits. It also attempts to look at ways in which it can become possible for these technologies to benefit each and everyone of us living on this planet, and not just a privileged few. The IT revolution has changed the way we store and transmit data; the Internet has revolutionized the way we can access information; breakthroughs in bio-technology promise new hope for medical cures and nano-technology will change the way medicine is practiced.
From the paper:
"Technology has played a crucial role in human development and progress throughout history. Ever since our first human ancestors fashioned the rudimentary stone tools used for hunting about 2.5 million years ago, man has striven to use technology for his benefit. Over the centuries, tremendous innovations were made in agriculture, medicine, energy, manufacturing, and communications?but none of these innovations had quite prepared us for the astonishing pace of development in technology that has been witnessed in the last few decades. Rapid strides made recently in "new technologies" such as information and communications technology, biotechnology and nanotechnology have opened up possibilities for development and increase in quality of life never imagined before."
Abstract This paper discusses a plan to implement an emergency disaster management system at a large hazardous chemicals plant in New York. The author includes specific steps that need to be taken, assigns roles, instructions for emergency response, etc.
From the Paper "The plan should also contain detailed building plans of the chemical plant, so each team member knows the layout of the buildings. These layouts will include all storage areas, aisles, entrances and exits, windows; fire extinguishers, fire alarms, sprinklers, smoke/fire detectors, annunciators; shut-offs and master switches for power, water, gas, HVAC (heating, ventilation, and air-conditioning) system, and elevator controls, etc. There should also be a detailed list of keys needed for entry to any and all buildings, and their locations."
Abstract The following paper gives the reader a brief history of coal and its uses. It also analyzes the refining technique known as the Integrated Gasification Combined Cycle or IGCC as well as some history and new technologies associated with this fossil fuel.
From the Paper "Coal is a sedimentary organic rock that contains a lot of carbon, typically between 40 and 90 percent carbon by weight. Ancient plants and animals accumulating in moist peat bogs form coal. As plants die off in a wet area, they pile up into peat. It takes between 4,000 and 100,000 years for one meter of peat to accumulate. This process happens best in river deltas or coastal plains. Over time, further deposits compress these peat seams and the carbon content of the coal is concentrated. The older the coal gets, generally, the harder and blacker it gets. There are four "ranks" of coal. Listed from lowest to highest rank, they are: lignite, subbituminous, bituminous, and anthracite. Rank is determined by energy content and chemical composition. Lignite is the youngest form of coal and is soft and brown, not much different than dried peat. Lignite has a low energy content, typically about 13 million Btu per ton. The carbon content is low also, around 40 percent. Lignite is typically used only when higher grades of coal are not available or affordable. Subbituminous coal is common in the US. It has an energy content of about 18 million Btu per ton, and is used mostly in coal-fired power plants. Bituminous coal is the most widespread form in the US and is high in energy content, averaging 24 million Btu per ton. Bituminous and subbituminous account for most coal use in America. The hardest coal, anthracite, is found mostly in Pennsylvania, but most supplies of anthracite there have been exhausted. The energy content is high, around 23 million Btu per ton, but it tends to have a high sulfur content. It is more than 90 percent carbon. "
