Tuesday, March 17, 2020

The Spinning Mule Invention by Samuel Crompton

The Spinning Mule Invention by Samuel Crompton A spinning mule is a device that is an essential part of the textile industry. Invented in the 18th century  by Samual Crompton, the innovative machine spun textile fibers into yarn using an intermittent process that transformed the way yarn was manufactured, making the process much faster, easier- and more profitable. The History of Spinning Fiber into Yarn In early civilizations, yarn was spun using simple handheld tools: the distaff, which held the raw fiber material (such as wool, hemp, or cotton) and the spindle, onto which the twisted fibers were wound. The spinning wheel, a Middle-Eastern invention whose origins can be traced back as far as the 11th century, was the first step toward the mechanization of the textile spinning industry. The technology is thought to have traveled from Iran to India and was eventually introduced to Europe. The first illustration of the device dates from about 1270. The addition of a foot pedal has been credited to a workman from the town of Brunswick, located in the Saxony region of Germany in the year 1533. This allowed a spinner to power the wheel with one foot, leaving the hands free for spinning. Another 16th-century improvement was the flyer, which twisted the yarn as it was being spun, speeding up the process considerably. Europeans, however, were not the only ones to come up with innovations for spinning textiles. Water-powered spinning wheels were common in China as early as the 14th century. Samuel Crompton Puts a New Spin on Spinning Samuel Crompton was born in 1753 in Lancashire, England. After his father passed away, he helped support his family by spinning yarn. Soon enough, Crompton became all too familiar with the limitations of the industrial textile technology currently in use. He began to think of ways he could improve the process to make it faster and more efficient.  Crompton supported his research and development working as a violinist at the Bolton Theatre for pennies a show, plowing all of his wages into his realizing his invention. In 1779, Crompton was rewarded with an invention he called the spinning mule. The machine combined the moving carriage of the spinning jenny with the rollers of a water frame. The name mule was derived from the fact that like a mule- which is a cross between a horse and a donkey- his invention was also a hybrid. In the operation of a spinning mule, during the draw stroke, the roving (a long, narrow bunch of carded fibers) is pulled through and twisted; on the return, it is wrapped onto the spindle. Once perfected, the spinning mule gave the spinner great control over the weaving process, and many different types of yarn could be produced. In 1813, the mule was upgraded with the addition of a variable speed control invented by William Horrocks. The mule was a game changer for the textile industry: It could spin thread of much finer gauge, better quality, and at a higher volume than thread spun by hand- and the better the  thread, the higher the profit in the marketplace. The fine threads spun on the mule sold for at least three times the price of coarser threads. In addition, the mule could hold multiple spindles, which greatly increased output. Patent Troubles Many 18th-century inventors encountered difficulty over their patents and Crompton was no exception. In the more than five years it took Compton to invent and perfect his spinning mule, he failed to obtain a patent.  Seizing on the opportunity, famed industrialist Richard Arkwright  took out his own patent on the spinning mule, even though he hadnt had anything to do with its creation.   Crompton filed a complaint regarding his patent claim with the British Commons Committee in 1812. The committee concluded that the method of reward to an inventor, as generally accepted in the eighteenth century, was that the machine, etc., should be made public and that a subscription should be raised by those interested, as a reward to the inventor. Such a philosophy may have been practical in the days when inventions required little  capital  to develop, however, it was decidedly inadequate once the industrial  revolution got underway and investment capital became crucial to the development and production of any substantial technical improvement. Unfortunately for Crompton, British law lagged far behind the new paradigm of industrial progress.   Crompton was eventually able to prove the financial harm hed suffered by gathering evidence of all the factories that relied on his invention- more than four million spinning mules were in use at the time- for which hed received no compensation. Parliament agreed to a settlement of  £5,000 pounds. Crompton attempted to go into business with the funds he was finally awarded but his efforts were unsuccessful. He died in 1827.

Sunday, March 1, 2020

Invention of Polystyrene and Styrofoam

Invention of Polystyrene and Styrofoam Polystyrene is a strong plastic created from erethylene and benzine. It can be injected, extruded or blow molded. This makes it a very useful and versatile manufacturing material.   Most of us recognize polystyrene in the form of styrofoam used for beverage cups and packaging peanuts. However, polystyrene is also used as a building material, with electrical appliances (light switches and plates) and in other household items. Eduard Simon Hermann Staudinger Polymer Research Keystone/Stringer/Getty Images German apothecary Eduard Simon discovered polystyrene in 1839 when he isolated the substance from natural resin. However, he did not know what he had discovered.  It took another organic chemist named Hermann Staudinger to realize that Simons discovery, comprised of long chains of styrene molecules, was a plastic polymer. In 1922, Staudinger published his theories on polymers. They stated that natural rubbers were made up of long repetitive chains of monomers that gave rubber its elasticity. He went on to write that the materials manufactured by the thermal processing of styrene were similar to rubber. They were the high polymers, including polystyrene. In 1953, Staudinger won the Nobel Prize for Chemistry for his research. BASF Commercial Use of Polystyrene Badische Anilin Soda-Fabrik or BASF was founded in 1861. BASF has a long history of being innovative due to having invented synthetic coal tar dyes, ammonia, nitrogenous fertilizers as well as developing polystyrene, PVC, magnetic tape and synthetic rubber. In 1930, the scientists at BASF developed a way to commercially manufacture polystyrene. A company called I.G. Farben is often listed as the developer of polystyrene because BASF was under trust to I G. Farben in 1930. In 1937, the Dow Chemical company introduced polystyrene products to the U.S. market. What we commonly call styrofoam, is actually the most recognizable form of foam polystyrene packaging. Styrofoam is the trademark of the Dow Chemical Company while the technical name of the product is foamed polystyrene. Ray McIntire - Styrofoam Inventor Dow Chemical Company scientist  Ray McIntire invented foamed polystyrene aka Styrofoam. McIntire said his invention of foamed polystyrene was purely accidental. His invention came about as he was trying to find a flexible electrical insulator around the time of World War II. Polystyrene, which already had been invented, was a good insulator but too brittle. McIntire tried to make a new rubber-like polymer by combining styrene with a volatile liquid called isobutylene  under pressure. The result was a foam polystyrene with bubble and was 30 times lighter than regular polystyrene. The Dow Chemical Company introduced Styrofoam products to the United State in 1954. How Are Foamed Polystyrene or Styrofoam Products Made? Foamed polystyrene starts as small spherical beads that contain an expanding agent called hydrocarbon.The polystyrene beads are heated with steam. As the expanding agent boils, the beads soften and expand up to forty times their original size.The expanded beads are left to cool down before being heated again. However, this time the beads are expanded within a mold.The molds are designed in a variety of  shapes  depending on the desired end product.  Examples are things such as styrofoam  cups, cartons, wig stands and more.The beads completely fill the mold and also fuse together.Styrofoam is about 98% percent air.

Thursday, February 13, 2020

Public policy Essay Example | Topics and Well Written Essays - 3000 words

Public policy - Essay Example It is a tool that is normally used for the creation of policy items and it is through it that governments have been able to develop desired results. The use of this tool involves a process where potential problems with policies are identified by policymakers and attempts are made to ensure that the latter are corrected in such a way that they become more effective. This paper will attempt to show institutional reform as a tool for the institution of policy changes and this will be according to the theory developed by Peter John. Each stage of policy change or development will be followed by an evaluation of examples of the use of this tool in the contemporary world. One of the most significant aspects of the institutional reform is that it helps in the identification of needs that allow for the development of necessary changes to make policies more effective. Identifying needs is a process where policymakers conduct research in society and this is conducted both through research on the field as well as the study of different literature concerning problems or needs that are required in society (Heckathorn and Maser, 1990). The ability to conduct such research is essential in making sure that there is a political priority concerning the best way to handle matters so that they do not end up being too difficult to handle. Identifying needs helps in ensuring whether there has been similar research in the areas that need adjustments to policies and this helps in making it possible for policymakers not to develop policies that might in the end turn out to be irrelevant. Through the use of effective research methods, policymakers have an easier time fo llowing up on previous research in the area of concern and, through the identification of both positive and negative outcomes, make changes to policy decisions that have a greater possibility of being more effective. When finding out the needs that necessitate policy changes,

Saturday, February 1, 2020

Differentiated instructional strategies in practice Assignment

Differentiated instructional strategies in practice - Assignment Example Quick essay assessments and test question are based on the topic taught in the classroom. And main focus would be on the new ideas that have been taught in the classroom. Informal testing is done my asking random questions to the students regarding the topic covered in the classroom. Testing is the dependable strategy for post assessment as it helps to determine student’s weak and strong areas. Question 2 One of the main advantages of using pre-assessment approach in the classroom is that teachers already know the information that are required to know about the students. Pre-assessment is vital for every teachers because it helps to find out student’s needs and strengths. Post-assessment is done know what students have learned during the process. K-W-L chart is one of the strategies of pre-assessment that helps to know the level of understanding of the students. Testing strategy is one of the post-assessment strategies that help to test the knowledge acquired by student s. The purpose and necessity of assessment of learning is to provide feedback to both learner and teacher regarding the progress of the learner. Written or verbal feedback given to the students regarding their performance is primarily descriptive and identifies challenges to next steps. This feedback can be used by teacher which would help to develop further instruction. Modification of instruction that can be done on pre-assessment: Student should do study sheet and should write a summary before the start of the lesson. Making flowchart of the working progress of the student. To express previously acquired knowledge concept map should be created. Offering details feedback during the process of learning. Modification of instruction that can be done on post-assessment:... Differentiated instructional strategies in practice Differentiated instruction is based on the belief that every student can learn at their best and gain necessary knowledge when they can make link of relationship between their diverse experiences and curriculum activities. Learning at the highest level occurs at the time when students are pushed to go further from the point where they don’t need any assistance. Rather than teaching simply by giving a single avenue for learning, teachers use differentiated instruction for every gifted student. Differentiated instruction requires acknowledgement, commitment and proper planning due to the fact that experiences and diverse ability can create huge impact on the learning process of students. Differentiated instruction helps students to engage in the classroom by interacting and participating in a higher way (Gregory & Chapman, 2013). All the students have different strengths, learning styles and abilities. Classroom activities help every student to adapt to meet different styles and abilities. Differentiated instruction helps students to encourage for challenges and complexity. It provides task that has various levels of difficulty and complexity that helps every student to increase readiness level. Differentiated instruction helps students to support their interests and choices. It helps to provide multiple chances for every student to study and an array of extensions and application that’s helps students to enhance learning.

Friday, January 24, 2020

Texting and Cell Phone Essays -- young poeple, homework, communication

The question of young people and cell phone use and texting causing young people to be less able to concentrate and focus has always been a difficult one to answer. Technology gives teenagers so much but includes many drawbacks. Cell phone use and texting has it’s advantages such as teachers embracing tech,uses for educational purposes, and easy to use;however,some drawbacks are as socializing,time away from homework,and bad communication skills. The first advantage would be teachers embracing tech in the classroom.Teachers embrace tech as a teaching tool in a way the students will understand.According to Eric board when students took an assignment of translating passages of Othello into other dialects,some students used the texting dialect,†resulting in some very interesting dialogue between lago and othello.The kind of technology teachers are embracing on are high tech calculators,Ipads,smartboards,and a variety of sites.Today’s high tech calculators don’t just calculate certain equations but also graph equations,how to find the greatest common factor,and even get a larger view or smaller view of the graph.The use of ipads in the classroom is useful for both the teacher and the student. For the students the ipad can give them some hints on the problem their solving and maybe even keep a record of their grades that certain student has so they can easily check up on them at any time. While for the teachers they can easily set up tests and quizzes and even grade assignments quickly and effecently.Although some teachers still use regular boards,most teachers use smart boards to teach. These boards are like ordinary boards except these are controlled by remote control pen.By just clicking on the board questions can be written... ...d to spell the word â€Å"love†and spelled it â€Å"l-u-v† the person who asked is shocked that he knows how to spell a word in text form rather than the way it’s supposed to be spelled correctly. Causes are a major concerns especially when it comes to cell phone use and texting although they can go both ways for good things or bad things.In the future,maybe there will be safety regulations for cellphones and texting so young people can concentrate more on their future but for know the Younger Generation has it’s own say in the tech world then the Older Generations. Works Cited Alice G. Walton,Science Proves that Cellphones are Annoying and Distracting,3/13/13,1-6.print. Russell A.Sabella,Cell Phones,texting,and Cell Phone distractions,4/29/2010,Education.com,1/10/14. Greg Graham,Cell phones in classroom?No! Students need to pay attention,9/21/10,pbs.com,1/9/14

Thursday, January 16, 2020

Capitalismâ€a Propaganda Story Essay

Michael Moore is the Leni Riefenstahl of our time. Or, perhaps he would be better characterized as a Bizzaro World Leni Riefenstahl, because while she propped up with propaganda the political powers of her time, Moore uses the same techniques to bring down the powers of our time, be it GM (Roger and Me), the gun lobby (Bowling for Columbine), the government (Fahrenheit 911), the health care industry (Sicko), or free enterprise (Capitalism: A Love Story). In this latest installment in his continuing series of what’s wrong with America, Michael Moore takes aim at his biggest target to date, and the result is a disaster. The documentary is not nearly as funny as his previous films, the music selections seem contrived and flat, and the edits and transitions are clumsy, wooden, and not nearly as effective as what we’ve come to expect from the premiere documentarian (Ken Burns notwithstanding) of our time. And, most importantly, the film’s central thesis is so bad that it’s not even wrong. First, let me confess that even though I have disagreed with most of Michael Moore’s politics and economics throughout his career, I have thoroughly enjoyed his films as skilled and effective works of art and propaganda, never failing to laugh — or be emotionally distraught — at all the places audiences are cued to do so. My willing suspension of disbelief that enables me to take so much pleasure from works of fiction, does not always serve me well when pulled into the narrative arc of a documentary. Thus it is that with his past films I have exited the theater infuriated at the same things Moore is †¦ until I rolled up my sleeves and did some fact checking of my own, at which point Moore’s theses unravel (with the possible exception of Bowling for Columbine, his finest work in my opinion). But with Capitalism: A Love Story, Moore’s propagandistic props are so transparent and contrived that I never was able to suspend disbelief. What was especially infuriating about Capitalism: A Love Story was the treatment of the people at the bottom end of the economic spectrum. The film is anchored on two eviction stories contrived to pull at the heart strings. One family filmed the eviction process themselves and sent the footage to Moore in hopes he’d use it (many are called, few are chosen), and the other was filmed by Moore’s crew. The message of both is delivered with a sledge hammer: Greedy Evil Soul-Sucking Bankers (think Lionel Barrymore’s villainous Mr. Potter in It’s a Wonderful Life) are tossing out onto the streets of America poor innocent families who are victims of circumstances not of their making. Why? First, because this is what Greedy Evil Soul-Sucking Bankers do for fun on weekends. Two, because the economic crisis caused solely by said bankers has made it impossible for families to make the payments on those subprime loans they were tricked into taking by those same bankers, who themselves were suckered into a Ponzi-like scheme cooked up by Alan Greenspan and his Wall Street/Federal Reserve buddies to take back the homes fully owned by (first) the elderly and (then) the poor. In the fine print that the bankers carefully slipped past the elderly and the poor for these second mortgages and subprime loans, the contracts said that the rates on variable rate loans could go up, and that the house was collateral for the loan such that if the loan payments are not made the home is subject to foreclosure and repossession by the bank (which is what the bankers are hoping happens). In Michael Moore’s worldview, a goodly portion of the American people are ignorant, uneducated, clueless pinheads too stupid to realize the fundamental principle of a loan: you have to have collateral to secure the loan! No collateral, no loan. You say to the banker â€Å"I would like to take out a loan.† The banker says to you â€Å"what do you have for collateral?† What happened in the housing boom was that bankers relaxed their standards for what they would require for collateral (and income, assets, etc.) because (1) the government told them to do so and promised to cover their losses if it didn’t work out, and (2) they wanted to make more money; and borrowers wanted in on the cash cow that everyone was milking, from individual house flippers looking for a quick buck, to ordinary families wanting extra cash for remodeling, tuition, or whatever, to mortgage giants wanting corporate expansion. And all were driven by the same motive: greed! Yes, greed. Those evicted families knew perfectly well what they were doing when they freely chose to climb onto the housing bubble and take it for a ride. I have a much higher view of the American public than does Michael Moore. I don’t think the American people are so stupid or uneducated that they didn’t know what they were doing. This wasn’t rocket science. It was even on television, the ne plus ultra of pop culture! I well remember watching A & E’s television series Flip This House, and reading all those magazine articles and get-rich-quick books on how to make a fortune in the real estate market, and thinking â€Å"wow, everyone’s getting rich except me; how can I get in on the action?† What I felt is, I’m sure, what lots of people felt. I looked into securing a second mortgage on my home in order to build a second home on an undeveloped portion of my hillside property, and then selling it to turn a tidy profit. Everyone was doing it. What could go wrong? Well, for starters I thought, what if it takes longer to build the home than I projected? We all know how slow construction projects can be. Could I make the payments on the second mortgage for an additional six months to a year? And what if I couldn’t sell that second home? Could I make the payments on the new loan indefinitely? What if my income decreased instead of increased, like it was at the time (and, subsequently, did †¦ dramatically!). And what would happen if I couldn’t make the payments? The answer was obvious, and it wasn’t in the fine print: I could lose my primary home. Forget that! Making a profit on a second home would be nice, but losing my first home would hurt well more than twice as much as making a profit on the second home would feel good. That’s a basic principle of risk aversion: losses hurt twice as much as gains feel good. Now, I’m not really a risk-averse guy (I gave up a secure career as a college professor for an insecure career as a writer and publisher), but even I could see the inherent risks involved when the home you live in could be taken away. My hillside remains sagebrush and wild grass. What about the people on the other end of the economic spectrum — the bankers and Wall Street moguls? Why aren’t they being evicted. Now, given that I’m a libertarian, you might expect me to come to the defense of Corporate America. Not so. Here I am in complete agreement with Michael Moore that, as I’ve been saying since the day it was first pronounced, â€Å"too big to fail† is the great myth of our time. None of these giant corporations — GM, AIG, Bank of America, Goldman Sachs, et al. — should have been bailed out. In fact, they should have been allowed to fail, their stocks go into the toilet, their employees tossed out on to the gilded streets of lower Manhattan, and their CEOs dispersed to work as greeting clerks at Walmart. They gambled and lost on all those securities, bundled securities, derivatives, credit default swaps, and other â€Å"financial tools† that I’ll bet not one in a hundred Wall Street experts actually understands. If you really believe in free enterprise, you must accept the freedom to lose everything on such gambles. These CEOs and their corporate lackeys are nothing more than welfare queens who adhere to the motto â€Å"in profits we’re capitalists, in losses we’re socialists.† Sorry guys, you can’t have it both ways without corrupting your morals, which you have, along with the politicians you’ve bribed, cajoled and otherwise coerced to your bidding. The solution? I have some suggestions of my own, but Michael Moore’s solution is beyond bizarre: replace capitalism with democracy. Uh? Replace an economic system with a political system? Even the à ¼ber liberal Bill Maher was baffled by that one when he hosted Moore on his HBO show. How does a democracy produce automobiles and computers and search engines? It doesn’t. It can’t. Capitalism: A Love Story, ends with a remarkable film clip that Moore discovered of President Franklin Roosevelt reading from his never proposed second Bill of Rights (he died shortly after and the document died with him). Included in the list are: The right to a useful and remunerative job in the industries or shops or farms or mines of the nation; The right to earn enough to provide adequate food and clothing and recreation; The right of every farmer to raise and sell his products at a return which will give him and his family a decent living; The right of every businessman, large and small, to trade in an atmosphere of freedom from unfair competition and domination by monopolies at home or abroad; The right of every family to a decent home; The right to adequate medical care and the opportunity to achieve and enjoy good health; The right to adequate protection from the economic fears of old age, sickness, accident, and unemployment; The right to a good education. That’s nice. To this list I would add a computer in every home with wireless Internet access. I’m sure we could all think of many more things â€Å"under which a new basis of security and prosperity can be established for all — regardless of station, race, or creed,† in Roosevelt’s words. But there is one question left unstated: Who is going to pay for it? If there is no capitalism, from where will the wealth be generated to pay for all these wonderful things? How much does a â€Å"decent† home costs these days, anyway? Do you see the inherent contradiction? Of course you do. So does Michael Moore, who elsewhere in the film longs for the good old days when the â€Å"rich† were taxed 90% of their earnings. So did Willie Sutton, who answered a similar question after being nabbed by the FBI during the Great Depression and asked by a reporter why he robs banks: â€Å"Because that’s where the money is.†

Wednesday, January 8, 2020

Marxist Theories And The Marxist Theory - 1243 Words

Before examining the article and its link to the Marxist Theory, it is important to give a brief description of the main tenets and principles of Marxism. Specifically, the Marxist paradigm assumes that economic competition is the principle cause of conflict. Unlike other paradigms, Marxism’s method of societal analysis focuses on economic and material aspects. Focusing on class relations and societal conflicts, the theory was first proposed by Karl Marx. Upon witnessing the industrial revolution and the creation of an urban working class, Marx observed and experienced a growing gap between the rich and the poor. In his Das Kapital and Communist Manifesto, Marx predicted the growing impoverishment of the emergent working class and a ultimate major class struggle in the systemic economic change. This emerging socioeconomic class will clash heavily with the upper-class, or bourgeoisie – a class of factory owners exploiting the workers by maintaining the gap between the pr ice paid to workers (a subsistent wage) and the price obtained in the marketplace for the produced good. In such state of Capitalism, centralized means of production and wealth is gathered in the hands of a few (mostly factories owners) who merely seek to protect and expand their wealth. Ultimately, the inequality in the distribution of wealth, according to Marx, will lead to a revolution whereby overthrowing the bourgeoisie, as well as the capitalist system in its entirety. Undoubtedly, James Cameron’sShow MoreRelatedMarxist theory2065 Words   |  9 Pagesï » ¿Marxist theory This theory was basically ideas of Karl Marx and Friedrich Engels. Both of them were born from Germany. Marx was a student of the most prominent German Idealist Philosopher. 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