Saturday, November 30, 2019
Photo Manipulation free essay sample
Image manipulation is everywhere on are daily life. It is a type of digital art. It is a unique way to describe editing photos and adding filters and special effects to photographs in order to make an illusion or define through digital means. Photo manipulation has been commonly used to deceive or convince viewers. It can be simply a photo which colors have been converted, or a photo that has been painted over, usually they use photoshop, but there are other softwares what can we use for manipulating images, image manipulation is an art as well. Photo manipulation is done for a number of purposes. More infamously, it is for political or sensational purposes. However, photo manipulation is also an art form in its own right (www. brightclub. com). The photographs have been manipulated in darkrooms for decade. Before computers, photo manipulation was achieved by retouching with ink, paint, double exposure, piecing photos or negatives together in the darkroom, or scratching Polaroids. We will write a custom essay sample on Photo Manipulation or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Airbrushes were also used, whence the term ââ¬Å"airbrushingâ⬠for manipulation. The first recorded case of photo manipulation was in the early 1860s, when a photo of Abraham was altered using the body from a portrait of John C. Calhoun. The 1980s saw the advent of digital retouching with Quantel computers running Paintbox, and Scitex imaging workstations being used professionally Silicon Graphics computers running Barco Creator became available in the late 1980s which, alongside other contemporary packages, were effectively replaced in the market by Adobe Photoshop (wikipedia).
Tuesday, November 26, 2019
Keeping a Writers Notebook
Keeping a Writers Notebook Keeping a Writersââ¬â¢ Notebook Keeping a Writersââ¬â¢ Notebook By Ali Hale If youââ¬â¢ve ever had aspirations towards fiction-writing, youââ¬â¢ve doubtlessly heard the advice to keep a notebook on you at all times, to jot down those elusive flashes of brilliance that come at the most inopportune moments. Itââ¬â¢s definitely a good idea to have pen and paper to hand as much as possible ââ¬â however, the discipline of keeping a writersââ¬â¢ notebook means more than just scribbling a few words when inspiration strikes. Writing every day One of the best uses for your notebook is to get into the habit of writing every single day. There are lots of different ways to approach this; some which have worked for me (not all at once) are: Write first thing in the morning Spend five minutes writing at some point in the morning, and five minutes in the afternoon Write just before going to bed Jot down some notes before starting on your ââ¬Å"properâ⬠writing session of the day Of course thereââ¬â¢ll be days when you feel uninspired, when you have nothing you want to write about, or when youââ¬â¢re hectically busy. But if youââ¬â¢re going to stick with writing fiction long-term, it needs to become part of your daily life. What do you write about? Donââ¬â¢t be prescriptive about what goes in your notebook. Some people find it best to work in a deliberately ââ¬Å"scrappyâ⬠book, so that they donââ¬â¢t feel constrained to only write down gems of wisdom ââ¬â yes, moleskin notebooks may be hugely popular, but a 99 cent pad will be just as good a repository for your ideas. Some of the many types of writing filling my notebook are: To-do lists for writing sessions or writing days Thereââ¬â¢s a great sense of satisfaction in ticking things off or scoring them out. If a to-do list makes you feel uncomfortable and constrained, try instead keeping a ââ¬Å"doneâ⬠list and writing down tasks after you complete them. Brainstorming for competition entries I wrote two or three short stories every month last year, most of them aimed at competitions with a set theme. A notebook is a great place to begin the idea-generation process; I like mind-mapping, by jotting the theme in a central circle and scribbling different plot and character possibilities around the edge. Once you get beyond the first few trite storylines, some intriguing ideas start to emerge. Character sketches When taking part in NaNoWriMo last year, I wrote three or four page character biographies for each of my main characters. Keeping these in my notebook made it easy to find them whilst working on the novel ââ¬â I wasted as little time as possible when needing to look up details of family backgrounds, hobbies and so on. Plot outlines Most writers find that some level of outlining helps, particularly when writing anything longer than a short story. A notebook can be an easy way to develop a plot from initial spark through potential variations to a scene-by-scene breakdown. Snatches of dialogue Imagined or overheard phrases can be safely stashed in your notebook for future use: they may be totally inappropriate for the project which youââ¬â¢re currently working on, but could be invaluable a week or two down the line. Reviewing your notes Itââ¬â¢s just as important to go back over your notes as it is to write them in the first place. Set aside a chunk of time ââ¬â half-an-hour if possible ââ¬â weekly, and go over what youââ¬â¢ve written during the past seven days. Make a new entry to record any ideas that you definitely want to pursue. (You might find it helps to use a second notebook at this stage.) Donââ¬â¢t recycle or burn old notebooks; even if youââ¬â¢re sure that youââ¬â¢ll never want the notes contained in them, store them safely somewhere. Theyââ¬â¢ll make fascinating reading a year, or ten years, further into your writing career ââ¬â youââ¬â¢ll be able to see how far youââ¬â¢ve come, and you may rediscover old ideas that youââ¬â¢d forgotten. And if you become famous, perhaps youââ¬â¢ll even end up selling them on e-bayâ⬠¦ Want to improve your English in five minutes a day? Get a subscription and start receiving our writing tips and exercises daily! Keep learning! Browse the Fiction Writing category, check our popular posts, or choose a related post below:20 Great Similes from Literature to Inspire YouLoan, Lend, Loaned, LentParticular vs. Specific
Friday, November 22, 2019
Thermoplastic vs. Thermoset Resins (Composites)
Thermoplastic vs. Thermoset Resins (Composites) Thermoplasticà polymerà resins are extremely common, and we come in contact with thermoplastic resins constantly. Thermoplastic resins are most commonly unreinforced, meaning, the resin is formed into shapes and have no reinforcement providing strength. Examples of common thermoplastic resins used today, and products manufactured by them include: PETà - Water and soda bottlesPolypropylene - Packaging containersPolycarbonate - Safety glass lensesPBT - Childrens toysVinyl - Window framesPolyethyleneà - Grocery bagsPVC - PipingPEI - Airplane armrestsNylonà - Footwear Many thermoplastic products use short discontinuous fibers as a reinforcement. Most commonly fiberglass, butà carbon fiberà too. This increases theà mechanical propertiesà and is technically considered a fiber reinforced composite, however, the strength is not nearly as comparable to continuous fiber reinforced composites. In general, FRP composites refers to the use of reinforcing fibers with a length of 1/4 or greater. Recently, thermoplastic resins have been used withà continuous fiberà creating structural composite products. There are a few distinct advantages and disadvantages thermoplastic composites have against thermoset composites.ââ¬â¹ Advantages of Thermoplastic Composites There are two major advantages of thermoplastic composites. The first is that many thermoplastic resins have an increased impact resistance of comparable thermoset composites. In some instances, the difference is as high as 10 times the impact resistance. The other major advantage of thermoplastic composites is the ability reform. See, raw thermoplastic composites, at room temperature, are in a solid state. When heat and pressure impregnate a reinforcing fiber, aà physical changeà occurs; not a chemical reaction as with a thermoset. This allows thermoplastic composites to be reformed and reshaped. For example, a pultruded thermoplastic composite rod could be heated and remolded to have a curvature. This is not possible with thermosetting resins. This also allows for the recycling of the thermoplastic composite at end of life. (In theory, not yet commercial). Properties and Benefits of Thermoset Resins Traditional Fiber Reinforced Polymer Composites, or FRP Composites for short, use a thermosetting resin as the matrix, which holds the structural fiber firmly in place. Common thermosetting resin includes: Polyester ResinVinyl Ester ResinEpoxyPhenolicUrethane The most common thermosetting resin used today is a polyester resin, followed by vinyl ester and epoxy. Thermosetting resins are popular because of uncured, at room temperature, they are in a liquid state. This allows for convenient impregnation of reinforcing fibers such as fiberglass, carbon fiber, or Kevlar. As mentioned, a room temperature liquid resin is easy to work with. Laminators can easily remove all air during manufacturing, and it also allows the ability to rapidly manufacture products using a vacuum or positive pressure pump. (Closed Molds Manufacturing) Beyond ease of manufacturing, thermosetting resins can exhibit excellent properties at a low raw material cost. Properties of thermoset resins include: Excellent resistance to solvents and corrosivesResistance to heat and high temperatureFatigue strengthTailored elasticityExcellent adhesionExcellent finishing (polishing, painting, etc.) In a thermoset resin, the raw uncured resin molecules are crossed linked through a catalytic chemical reaction. Through this chemical reaction, most often exothermic, the resin creates extremely strong bonds with one another, and the resin changes state from a liquid to a solid. A thermosetting resin, once catalyzed, it can not be reversed or reformed. Meaning, once a thermoset composite is formed, it cannot be remolded or reshaped. Because of this, the recycling of thermoset composites is extremely difficult. The thermoset resin itself is not recyclable, however, there are a few new companies who have successfully removed the resin through pyrolization and are able to reclaim the reinforcing fiber. Disadvantages of Thermoplastics Because thermoplastic resin is naturally in a solid state, it is much more difficult to impersonate reinforcing fiber. The resin must be heated to the melting point, and pressure is required to impregnate fibers, and the composite must then be cooled under this pressure. This is complex and far different from traditional thermoset composite manufacturing. Special tooling, technique, and equipment must be used, many of which are expensive. This is the major disadvantage of thermoplastic composites. Advances in thermoset and thermoplastic technology are happening constantly. There is a place and a use for both, and the future of composites does not favor one over the other.
Thursday, November 21, 2019
Movie Comparison of Citizen Kane and Schindlers List Essay
Movie Comparison of Citizen Kane and Schindlers List - Essay Example The researcher of this essay contrasts and compares two significant and well-known movies, that are ââ¬ËSchindlerââ¬â¢s Listââ¬â¢ and ââ¬ËCitizen Kaneââ¬â¢. There are two powerhouse films, that have made their mark as two of the greatest films in the world. The researcher mentiones in the essay that these movies stamped the names of their directors as forces to be reckoned with in their field. ââ¬ËCitizen Kaneââ¬â¢ was Orson Welles in every essence of that statement. The researcher provides his opinion on the topic and states that plot was very interesting from beginning to end. It is one that makes the audience think and takes them into a journey. Essentially, as good films go the underlying theme centers on man and how you could easily lose grip of reality and how with all the money of the world you could remain unfulfilled. The story plays on the materialistic propensity prevalent in society, even in the 1940s. But what ââ¬ËSchindlerââ¬â¢s Listââ¬â¢ r elentlessly communicated was a far more humanistic tug on a personââ¬â¢s nature. This movie showed human beings at their worst and a man at his best. The emotional story and how Spielberg was able to transform it into heart wrenching film made it memorable and uplifting more than ââ¬ËCitizen Kaneââ¬â¢ was able to do. The researcher then concluds that two films tackle wealth, power and influence but where one highlights a manââ¬â¢s fall and the subsequent inconsequentiality of his life because of greed, the other showcased how a man was able to save lives with the same virtues and transcend himself into being a person of hope.
Tuesday, November 19, 2019
Causes, Effects, and Solutions to Global Warming Speech Essay - 9
Causes, Effects, and Solutions to Global Warming Speech - Essay Example There are many causes that contribute to global warming. As scientists say, global warming is attributed to the accumulation of greenhouse gases in the earthââ¬â¢s atmosphere resulting in blanket-like effect (John). The greenhouse gases generally originate from burning fossil fuels like oil, coal, natural gas. In addition, cutting down of trees and burning of forests commonly result in carbon accumulation. Trees purify the air of carbon dioxide, through utilizing it in photosynthesis (Chris). Furthermore, agricultural practices plus certain waste management practices tend to contribute nitrous oxide and methane gas (n.p). Global warming has caused a number of problems to the earth. One of the biggest entails the rise in sea level. With every rise in atmospheric temperatures, results in melting of ice in the Arctic and Antarctica regions contributing to the sea and ocean levels rising. The aftermath of such involves weird phenomenon like floods, typhoons and hurricanes (John). A good example is hurricane Katrina which took thousands of lives and destroyed a number of homesteads. Moreover, the temperature rise in other areas has resulted in the expansion of deserts and contributing to drought in many regions. The climatic conditions required for growth of certain crops have also been disturbed causing a big problem to farmers (John). Global warming can be solved. In minimizing emission of greenhouses can be the first step in curbing it. First of all, discouraging unnecessary deforestation can be a good step. Proper waste disposal or recycling of wastes can minimize emissions of methane plus nitrous oxide. Planting of trees can beneficial in places where deforestation has already taken place (John). In conclusion, global warming is a menace which has to be solved in order to save the earth from its ravaging effects. Human beings have an opportunity to reverse this change and make the world a better place for the future generations.Ã
Saturday, November 16, 2019
Education Reform Essay Example for Free
Education Reform Essay Reform-To change something for the better. Thatââ¬â¢s exactly what happened in the education reform in the mid 19th century. Now because of the education reform it doesnââ¬â¢t matter your gender or class anybody can go to school. This also refreshed the United States national identity to a better state. The Education Reform made the longest lasting impact on todayââ¬â¢s society. Before the mid 19th century many kids couldnââ¬â¢t go to school based on there gender or class. A big motivation for the education reform was that all children should have the opportunity to learn at a high level. After Horace Mann led the education movement over the next couple decades the percentage of American children going to school doubled because now it didnââ¬â¢t matter your class or gender. This is a long lasting effect because the U.S. went from all kids being educated by their parents to every kid in America having to opportunity to have a good education. Now because of the U.S.ââ¬â¢s movements such as the Education Reform the U.S.ââ¬â¢s national identity changed. Europe and Asia always felt the education is an important system to keep national and cultural unity. Now by having kids going to school by law this improved the U.S.ââ¬â¢s national identity for the better and this help our national and cultural unity. Now because of this reform education now a day is very important. Even though the U.S. isnââ¬â¢t quite were some Asian and European countries are with education, but we are a lot better now then we were back in the mid 19th century. Children that were poor in the 19th century before the reform couldnââ¬â¢t get whatever job they wanted to because they didnââ¬â¢t have the right education, they would probably have to get a factory job or something that is minimum wage. But this is not the case today! Now say a child that is poor today, they can still go to school and chase their dream or job that they want. This obviously has a long lasting affect because now any boy or girl can chase their dream job because of the education reform. The education reform has definitely made the longest lasting impact on today. Now all kids have the opportunity to go to school, the U.S.ââ¬â¢s national identity has been improved, and now any one can get any job they desire. Allà of this was possible because of the education reform!
Thursday, November 14, 2019
How to Boat on the Chesapeake :: Expository Process Essays
How to Boat on the Chesapeake An experienced mariner knows that boating can be a very relaxing and rewarding sport that anyone can enjoy. He also knows that there is much more involved in the sport than simply getting into a boat and sailing off on the sun-glistened waters of the Chesapeake Bay. Unfortunately, most people who are new to the sport don' t realize all that is involved in boating, sometimes until it is too late. By taking the time to learn some basic information, picking up some important charts and publications, and buying a valuable marine radio, anyone can enjoy boating safely. Ã The Maryland Department of Natural Resources, U.S. Coast Guard Auxiliary, and U.S. Power Squadron are organizations that offer basic boating safety courses in the Chesapeake Bay area. All three organizations are staffed with experts in boating safely. Classes are available through these groups to anyone who wishes to learn more about boating. The operator of a vessel used for recreation is not required to attend any of these classes, but the U.S. Coast Guard strongly recommends that one of these courses be taken before hitting the water. Information about these classes is available by contacting the U.S. Coast Guard Safe Boating Hotline at (800) 368-5647. Ã Along with taking a boating safety course, all boaters should have the appropriate charts and publications for the area that they wish to use their boat. All charts and publications that are printed for the Chesapeake Bay area are available from most marine dealers or local marinas. A boater should have at least one chart of the area he is operating in, along with a current listing of all buoys and aids to navigation in that vicinity. Again, for information concerning which chart the operator will need, contact the U.S. Coast Guard Safe Boating Hotline. Listings of aids to navigation are published monthly by the U.S. Defense Mapping Agency, and are available to the public at a small cost. The U.S. Coast Guard also issues Notice to Mariner Statements advising of any local changes to the aids every day at 8:00 am and again at 4:00 pm on marine radio channel 22. Ã According to U.S. How to Boat on the Chesapeake :: Expository Process Essays How to Boat on the Chesapeake An experienced mariner knows that boating can be a very relaxing and rewarding sport that anyone can enjoy. He also knows that there is much more involved in the sport than simply getting into a boat and sailing off on the sun-glistened waters of the Chesapeake Bay. Unfortunately, most people who are new to the sport don' t realize all that is involved in boating, sometimes until it is too late. By taking the time to learn some basic information, picking up some important charts and publications, and buying a valuable marine radio, anyone can enjoy boating safely. Ã The Maryland Department of Natural Resources, U.S. Coast Guard Auxiliary, and U.S. Power Squadron are organizations that offer basic boating safety courses in the Chesapeake Bay area. All three organizations are staffed with experts in boating safely. Classes are available through these groups to anyone who wishes to learn more about boating. The operator of a vessel used for recreation is not required to attend any of these classes, but the U.S. Coast Guard strongly recommends that one of these courses be taken before hitting the water. Information about these classes is available by contacting the U.S. Coast Guard Safe Boating Hotline at (800) 368-5647. Ã Along with taking a boating safety course, all boaters should have the appropriate charts and publications for the area that they wish to use their boat. All charts and publications that are printed for the Chesapeake Bay area are available from most marine dealers or local marinas. A boater should have at least one chart of the area he is operating in, along with a current listing of all buoys and aids to navigation in that vicinity. Again, for information concerning which chart the operator will need, contact the U.S. Coast Guard Safe Boating Hotline. Listings of aids to navigation are published monthly by the U.S. Defense Mapping Agency, and are available to the public at a small cost. The U.S. Coast Guard also issues Notice to Mariner Statements advising of any local changes to the aids every day at 8:00 am and again at 4:00 pm on marine radio channel 22. Ã According to U.S.
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