John Ericsson - Designer of the USS Monitor

John Ericsson - Designer of the USS Monitor John Ericsson invented an early locomotive, the Ericsson hot-air engine, an improved screw propeller, the gun turret, and a deep-sea sounding device. He also designed ships and submarines, most notably the USS Monitor. Early Life of John Ericsson in Sweden John (originally Johan) Ericsson was born on July 31, 1803, in Vrmland, Sweden. His father, Olof Ericsson, was superintendent of a mine and taught John and his brother Nils the skills of mechanics. They received little formal education but showed their talent early. The boys learned to draw maps and finish off mechanical drawings when their father was director of blastings on the  Gà ¶ta Canal  project. They became cadets in the Swedish Navy at ages 11 and 12 and learned from instructors in the Swedish Corps of Mechanical Engineers. Nils went on to be a prominent canal and railway builder in Sweden. By age 14, John was working as a surveyor. He  joined the Swedish Army at age 17 and worked as a surveyor and was noted for his mapmaking skill. He began constructing a heat engine in his spare time, which used the heat and fumes of fire rather than steam. Move to England He decided to seek his fortune in England and moved there in 1826 at the age of 23. The railroad industry was hungry for talent and innovation. He continued to design engines that used airflow to provide more heat, and his locomotive design  Novelty  was barely beaten by the Rocket designed by George and Robert Stephenson in the Rainhill Trials. Other projects in England included the use of screw propellers on ships, a fire engine design, large guns,and a steam condenser that provided fresh water for ships. American Naval Designs of John Ericsson Ericssons work on twin screw propellers attracted the attention Robert F. Stockton, an influential and progressive U.S. Navy officer, who encouraged him to relocate to the United States. They worked together in New York to design a twin screw-propelled warship. The USS Princeton was commissioned in 1843. It was armed with a heavy gun 12-inch gun on a revolving pedestal that Ericsson designed. Stockton worked to get the most credit for these designs and designed and installed a second gun, which exploded and killed eight men, including Secretary of State Abel P. Upshur and Secretary of the Navy Thomas Gilmer. When Stockton shifted the blame to Ericsson and blocked his pay, Ericsson resentfully but successfully moved on to civilian work. Designing the USS Monitor In 1861, the Navy needed an ironclad to match the Confederate USS Merrimack and the Secretary of the Navy convinced Ericsson to submit a design. He presented them with designs for the USS Monitor, an armored ship with guns on a rotating turret. The Merrimack had been rechristened the USS Virginia and the two ironclad ships did battle in 1862 to a stalemate that nonetheless aved the Union fleet. This success made Ericsson hero and many Monitor-type turret ships were built during the rest of the war. After the Civil War, Ericsson continued his work, producing ships for foreign navies and experimenting with submarines, self-propelled torpedoes, and heavy ordnance. He died in New York City on March 8, 1889 and his body was returned to Sweden on the cruiser Baltimore. Three U.S. Navy ships have been named in honor of John Ericsson: the torpedo boat Ericsson (Torpedo Boat # 2), 1897-1912; and the destroyers Ericsson (DD-56), 1915-1934; and Ericsson (DD-440), 1941-1970. Partial List of John Ericssons Patents U.S. #588   for a Screw Propeller patented February 1, 1838.U.S. #1847 for a Mode of Providing Steam Power to Locomotives patented November 5, 1840. Source: Information and photos provided by U.S. Naval Historical Center

PARALLEL ALGORITHM FOR MULTI-DIMENSIONAL MATRIX MULTIPLICATION Research Paper

PARALLEL ALGORITHM FOR MULTI-DIMENSIONAL MATRIX MULTIPLICATION OPERATIONS REPRESENTATION USING KARNAUGH MAP - Research Paper Example The basic concept EKMR is to transform the multi-dimensional array in to a set of two-dimensional arrays. EKMR scheme implies Karnaugh Map which is a technique used to reduce a Boolean expression. It is commonly represented with the help of a rectangular map which holds all the possible values of the Boolean expression. Then the efficient data parallel algorithms for multi-dimensional matrix multiplication operation using EKMR are presented in this study which outperformed those data parallel algorithms for multi-dimensional matrix multiplication operation which used the TMR scheme. The study encourages designing data parallel algorithms for multi-dimensional dense and sparse multi-dimensional arrays for other operations as well using the EKMR scheme since this scheme produces the efficient performance for all dimensions and for all operations of the arrays. Multi-dimensional arrays which are also referred as tensors or n-ways arrays are usefully applied to a wide range of studies or methods such as climate modeling, finite element analysis (FEA), molecular dynamic and many more but still many issues have been encountered regarding efficient operations of these multi-dimensional arrays. Most of the proposed methods are successful in case of two-dimensional arrays which do not show accurate results when applied to the extended form of tensors. This occurred due to the traditional matrix representation (TMR) which is an array representation scheme that is commonly used to represent the multi-dimensional dense or sparse array. Dense and sparse are the two categories of the array form which are provided through the various data parallel programming languages [2] for instance, Vienna Fortran, High Performance Fortran, etc. If all or most of the array elements are non-zero values then it is called a dense array. On the other hand, if most of the elements of the array are zero then it is called a sparse array. When an operation is applied

Educational Organization Evaluation Process Research Paper

Educational Organization Evaluation Process - Research Paper Example Evaluation should be considered as an important part of the development process for an educational organization. Primarily, educational institutions use evaluation data to exhibit effectiveness and secondly, to present performance measure, which would be a very good marketing tool. Such evaluation is a specialized activity that educators must undertake in order to assess and develop the learning experience that they are offering (Stronge & Helm, 1990). An outline is presented showing the required processes for the educational organization evaluation. The process provides guidelines for designing, implementing, assessing and improving the identified form of evaluation. Each of the steps aims to promote evaluations that are proper, useful, feasible, and accurate. The following steps could be undertaken in order to evaluate and analyze the Educational organization (Stufflebeam, 1999). The process could also be used to research and assess the effectiveness of the educational system which is used in an educational institution vital in the formulation of educational policies geared towards the realization of an empowered and globally competitive citizen. Goals for undertaking the evaluation should be clearly defined because these goals will significantly impact the shape of the organization’s efforts. Before the purpose could be fully identified, it is important to use information that is already available. Valuable information of a student can be obtained from the student’s classroom teacher, the cumulative file, and the parent regarding the learning problem.

A Closer Look at Watchmens Dr Manhattan Essay Example for Free

A Closer Look at Watchmens Dr Manhattan Essay Neil Armstrong, Clark Kent, John F. Kennedy, Professor Charles Xavier, Gandhi, Chuck Norris, Master Yoda. The men mentioned above are fictional or real characters with quite a few things in common. They are all heroes in their respective universes, they fight for what is good, and they are all experts in their fields of profession. In fact, they are the supposed best or the most renowned at what they do. Neil Armstrong has to be the most famous Astronaut of all time while Clark Kent’s alter ego, Superman is arguably the greatest superhero there is and if not, he is definitely the most famous. Chuck Norris is the best ass-kicker in the world while Professor X is the greatest telepath in the Marvel Universe. JFK was a great president, Gandhi changed revolution, and Master Yoda taught nine hundred years’ worth of Jedi Knights. Yes, these men are all very talented and very powerful. However, these outstanding heroes have one more thing in Common: they all fall nothing short of insignificant to the power, intelligence, and capabilities of Dr. Manhattan. Dr Manhattan’s powers and abilities include immortality, shapeshifting to any form he chooses, seeing the future, reading minds, teleportation, and bending matter to his will. He practically has no physical weaknesses. Superman and Yoda could possibly put up a fight but that’s another story. In the world of Watchmen, Dr. Manhattan made human life appear insignificant. Yes, insignificant. Can you imagine? The supposed dominant species in the world could have been a clump of dirt on Dr. Manhattan’s shoe compared to his Godlike persona. This became the aggravating external conflict Dr. Manhattan had with humans. In fact, Dr. Manhattan ended up believing that Humans had become irrelevant and mattered little to him, thus, resulted in him eventually leaving Earth and living on Mars. This caused momentous discomfort and major uproar in Earth, namely, The United States. Dr. Manhattan may have lost his purpose of necessity for human beings but The United States needed him as if their lives depended on it. In fact, The United States practically worshipped him as a God. In the Watchmen storyline, The Cold War between the Russians and the Americans was at the brink of becoming nuclear warfare and either side was very close to opening fire and sending all their nuclear warheads at each other. If both sides fired every missile they had, they would destroy all human life on Earth. Dr. Manhattan, being America’s greatest weapon and greatest defence, was expected to use his power and eliminate every Russian warhead that he could and give the United States a chance to fire back at Russia and ultimately win the Cold War. What the Americans hadn’t counted on was Dr. Manhattan leaving Earth after losing his temper during a live-on-television interview. The Russians took this once in a lifetime opportunity of an AWOL Dr. Manhattan to ready their missiles to fire at the United States. Of course, that is not what happened. But we will get back to that later. You may be wondering, â€Å"Okay what’s your point? Why are you mentioning all of Dr. Manhattan’s capabilities and how he serves the United Sates? † Well to answer your question, let me restate what I pointed out earlier: In the world of watchmen, Dr. Manhattan makes human achievements and ultimately being human, almost completely irrelevant. Imagine, the nuclear warhead is possibly the most powerful weapon humankind has to offer and Dr. Manhattan can make them disappear with a wink of an eye. Man’s mission to the moon took billions of dollars, a rocket ship, and years of planning and preparation for this life-changing project to become a reality. However, as seen in the opening credits of the film version, Neil Armstrong was not the first person to arrive on the moon. When Armstrong first set foot onto the moon’s surface, what does he find? He finds nothing other than Dr. Manhattan in his, blue, naked form with no spacesuit, no spacecraft, and no artificial aid whatsoever. What does this tell us? Whatever humans can do, Dr.  Manhattan can do it much better. And if humans are ever to make a new life-changing discovery, Dr. Manhattan has already discovered it. However, Dr. Manhattan does have some personal, noteworthy, and very human limitations. In his eyes, he would even call them â€Å"Flaws†. Let’s take a closer look at some of these flaws. For one thing, Dr. Manhattan may be all-powerful and superior to humans but he still experiences human emotions. Namely, love. To expound on the significance of Dr. Manhattan’s ability to love, let me first talk about another flaw of his. Dr. Manhattan is the most powerful being in the Watchmen Universe and he knows it. Soon, his Godlike power eventually causes him to lose all respect for humanity and he begins to question their significance in his life. Getting drunk with power and losing respect for anyone under your power is indeed a very human imperfection. Now, going back to his ability to love, the only reason Dr. Manhattan has not given up on humans and abandon Earth completely was because of one person, Laurie, better known as The Silk Spectre. Dr. Manhattan was in love with her. He even tells her that she had become his only link to humans and without her, he would have no longer cared and simply let the United States and Russia destroy each other. It can even be inferred that if it wasn’t for Dr. Manhattan’s ability to love, Veidt would not have gotten his way and the Russians and Americans would have still caused nuclear war. In the Watchmen storyline, Adrian Veidt, also known as Ozymandias, was meant to appear as the villain. Readers and the audience would be quick to assume that since he was not on the side of Dr.  Manhattan, NiteOwl, Rorschach, and Silk Spectre, and the fact that he killed The Comedian, he was automatically the villain. However, in the end, and to everyone’s surprise, Ozymandias ironically turned out to be the unconventional hero. Veidt’s subtitle of â€Å"World’s Smartest Man† suited him because he knew that the solution to preventing the nuclear war was to direct both superpowers against a common enemy. And that enemy had to be none other than Dr. Manhattan. Somehow, Veidt just knew that the only way to prevent global destruction via nuclear war was to make the United States fear Dr.  Manhattan just as much as The Soviets feared him. Veidt tricked Dr. Manhattan into helping him make generators that could replicate the energy that gave Dr. Manhattan his power. When Dr. Manhattan left the planet and exiled on Mars, Veidt seized the opportunity to attack a number of major cities in the world using energy from the generators he and Dr. Manhattan made. Because of these attacks, thousands of people were killed and the areas affected by the blasts endured colossal damage. Yes, Veidt had killed thousands of people but he believed that sacrifices had to be made if we truly wanted to save the world. After the attacks from Ozymandias, scientists examined the affected areas and the energy readings led the humans to conclude that Dr. Manhattan himself had caused these global crimes. Thus, causing the Americans and Soviets to turn their weapons away from each other and point them towards an even greater threat: Dr. Manhattan. Dr. Manhattan knew that Veidt was right and he also knew that if he stayed on Earth, it would cause even more destruction and more unnecessary deaths. Without hesitation, he left the planet once again.

The Selfishness of Oedipus in Oedipus the King :: Oedipus Rex, Sophocles

"Selfishness is the greatest curse of the human race,† as quoted by William E. Gladstone, supports my thought that selfishness is what causes most of our problems in the modern world. Currently, we are living in an era that is filled with much gluttony and selfishness. However, selfishness is a trait that all of us possess, but the amount of selfishness that we have can determine the type of person we are. For instance, parents should always put their children’s needs before their own. Selfish parents would rather buy materialistic items for themselves than anything useful for their children. In Sophocles’s â€Å"Oedipus Rex,† the protagonist is literally blinded by his own arrogance. This attitude begins before he even travels to Thebes, and that is apparent due to the circumstances of his father’s death. Oedipus seals his own fate with his egotistical attitude and he cannot change his destiny after everything is set into motion. During his jo urney on the road to enlightenment, Oedipus’s selfishness causes him to transcend from being completely ignorant of his fate to holding on to the last shreds of denial to having an overwhelming sense of realization. The selfishness that Oedipus possesses causes him to have abundance of ignorance. This combination is what leads to his father’s death. After fleeing Corinth and his foster family, Oedipus gets into a skirmish with an older man. The reason for the fight was because, â€Å"The groom leading the horses forced me off the road at his lord’s command† (1336). Oedipus is filled with a rage after being insulted by the lord and feels the need to act. The two men fight, but Oedipus ends up being too much for the older man, and he kills him. What Oedipus is unaware of is that the man was actually his birth father and by killing him, Oedipus has started on the path of his own destruction. Not only does Oedipus kill his father, but also everyone else, â€Å"I killed them all† (1336). The other men had no part in the scuffle, but in his rage, he did not care who he was killing. As Oedipus becomes king, his selfishness only grows, as does his denial. As the king, he gained the burden of Thebes whenever a problem arose. To find a way to rid his city of the plague, he sent Kreon so that he would have some answers and be able to place the blame on something or someone.

Raw rubber from Malaysia is delivered to the factory in ‘bales’

During the time the way squash balls manufactured has developed into a highly sophisticated process. Here is investigated how balls are made. To begin with, raw rubber from Malaysia is delivered to the factory in ‘bales’ of about 25kg – sufficient to make about 1,200 balls. In its natural state rubber is very stiff and difficult to work, so it is first ‘masticated’ to a softer consistency.A variety of natural and synthetic materials and powders are then mixed with the rubber to give it the required combination of strength, resilience, and colour as well as to enable it to cure (or ‘vulcanise’) later in the process. The manufacturer’s ‘recipe’ is a no less closely guarded secret than that of Coca Cola, and different combinations of ingredients (as many as 15 are used, including polymers, fillers, vulcanising agents, processing aids, and reinforcing materials) produce fast (blue dot), medium (red dot), slow (white dot), and super slow (yellow dot) balls.The current WSF Specification for the Standard Yellow Dot Championship Squash Ball determines the permitted diameter, weight, stiffness, seam strength and rebound resilience of the championship ball. No specifications are set for other types of ball, â€Å"which may be used by players of greater of lesser ability or in court conditions which are hotter or colder than those used to determine the yellow dot specification†. (http://www. squashplayer. co. uk) Thus, we don’t have any exact data (parameters) for red and blue balls.We only can use data available for yellow ball and modify the possible parameters that red and blue balls may have. Out of all specifications of a ball we are interested in its weight and rebound resilience. Rebound resilience is a measurement of the height a ball bounces off a hard surface. The data given in the table above mean that if one drops ball from a height of 100 centimetres (1 meter) onto a concrete floo r then at 23oC the yellow balls must rebound at 12 centimetres; at 45oC between 26 and 33 centimetres.At 23oC the red ball must rebounds at 15 centimetres; at 45oC between 33 and 36 centimetres. At 23oC the blue ball must rebound at 17 centimetres; at 45oC between 36 and 38 centimetres. For our study we will take that if one drops ball from a height of 1 meter, then at 23oC the red ball must rebound at 15 centimeters; at 45oC – at 34. 5 centimeters. at 23oC the blue ball must rebound at 17 centimeters; at 45oC – at 37 centimeters.

The Role of Federal Agencies in Fighting Digital Crime

The Secret Service, FBI, Department of Homeland Security, and other law enforcement agencies have similar challenges when fighting computer crimes and terrorism due to the recent development of computer technologies as well as constant threats. Federal law enforcement agencies and local law enforcement agencies have different responsibilities that work independently instead of on the same level, which can make it difficult to coordinate and cooperate to fight against computer crimes and terrorist threats. Local law enforcement agencies deal with more challenges than federal law enforcement agencies, which includes getting the necessary training, equipment, updated criminal codes designed to complement current enforcement efforts, and resources. The lack of training in computer crimes for most of local law enforcement agencies is a serious issue when trying to prosecute computer crimes. Untrained patrol officers can easily destroy computer evidence by accident, and cause the criminal to go free because there is no evidence linking the computer crime to the criminal. Local law enforcement agencies aren’t capable of deciphering encrypted computer evidence as federal law enforcement agencies are due to the fact that they don’t receive enough funding to get equipment to read encrypted evidence. The constant changes in computer technology have hindered legislative attempts to pass laws that are current and can apply it to the use of these new technologies. Computer crimes would beShow MoreRelatedThe Role of Federal Agencies in Fighting Digital Crime Essay827 Words   |  4 Pagesfrom the independent nature of these agencies, as well as the other factors that are common to each of them. 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Policing the prevalence of cyber-crime and its threat to electronic commerce has been of great concern to all government. Twenty-first century, the criminals increasingly rely on advanced technologies and