Essay/Term paper: Radiology
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Humanity, constantly learning, growing, and facing more challenges each second
of the day. Whether the challenges are mental or purely physical. We have found more
efficient, safer, and easier ways of doing the tasks we may face. From moving cargo, to
sending information via the Internet. Probably the greatest accomplishments we have
made, are in the studies of medicine/treatment. And to be specific, the study of radiology.
Radiology, the process of working and viewing inside the human body without breaking the skin. By using radiant energy, which may take the form of x rays or other types of radiation, we are able to diagnose and treat many diseases and injuries. Both diagnostic and therapeutic radiology involve the use of ionizing radiation ( Beta, Alpha, Gamma, and x rays), with the exception of the MRI, which uses a magnetic field rather then radiation.
Radiology is classified as being either diagnostic or therapeutic. Diagnostic radiology is an evaluation of the body, by means of static or dynamic images or anatomy, physiology, and alterations caused by injury or disease. A majority of these pictures are formed by passing a low or high level of x rays through the part of the body being examined, producing the static image on film. This image is called a radiograph or x ray picture. The image it's self may have many forms. It could be a common radiograph, such as a chest x ray; a tomograph (Greek for "section"), which is a radiograph obtained by timing the x ray exposure to correspond with the movement of the x ray tube and film in opposite directions around the plane of the body; or, finally, a computerized axial tomography (CAT or CT) scan. Which is a computer analysis of a sharply limited, thin x ray beam passed circumferentially through an area of the body, giving the doctor of Technician a cross-sectional image. Much like that of slicing a loaf of bread into sections.
Other images may be obtained by using ultrasound or MRI, or by recording the activity of isotopes internally administered and deposited in certain parts of our body. This practice is called nuclear radiology or nuclear medicine. This include such techniques as a PET scan, or positron emission tomography, which uses patterns of the positron decaying to study metabolism reactions in the body. PET requires a cyclotron as an on-site source of short-lived, positron-emitting isotopes. The isotopes are injected into the patient along with a glucose related compound, and the positrons collide with the electrons in the body to produce photons. The photons are then tracked by a tomographic scintillation counter, and the information is processed by a computer to provide both image and data on blood flow and metabolic processes within bodily tissues. PET scans are particularly useful for diagnosing brain tumor and the effects of strokes on the brain, along with various mental illnesses. They are also used in brain research and in mapping of brain functions.
Another form of imaging is ultrasound. Ultrasound, which uses very high frequency sound, is directed into the body. And because the tissue interference's reflect sound, doctors are able to produce, by use of a computer, a photograph or moving image on a television. Ultrasound has many application uses on the body, but is more commonly used in examinations of the fetus during pregnancy, because use of radiation may affect the outcome of the baby. Some other practices for ultrasound include examination of the arteries, heart, pancreas, urinary system, ovaries, brain, and spinal cord. And because sound travels well through fluids it is a very useful technique for diagnosing cysts( which are filled with fluid), and fluid filled structures such as the bladder. And since sound is absorbed by air and bone it is impossible to use a ultrasound on bones or lungs.
The sound waves are produced by a random oscillating crystal, and are inaudible to humans. A instrument called a transducer is used to transmit the sound waves and receive the echoes. The transducer must be in close contact with the skin, and a jelly like substance is used to improve the quality of the transmission.
And last of the diagnostic imaging tools is the MRI. MRI, which stands for Magnetic Resonance Imaging. Was a technique developed in the 1950's by Felix Bloch, and is the most versatile, powerful, and sensitive tool in use. The process of MRI was originally called NRI (Nuclear Resonance Imaging), but was found to be to confusing due to the fact that MRI's don't use radioactivity and ionizing radiation. The MRI generates a very powerful electromagnetic field, which allows the radiologist to generate thin-section images of any part of the body. Also it can take these images from any direction or angle, and is done without and surgical invasion. Another plus side to the MRI is The time it take to perform, where as a CAT scan may take 30-60 min. A MRI may only take 15 minutes max. The MRI also creates 'maps' of biochemical compounds within a cross-section of the body. These maps give basic biomedical and anatomical information that provides new knowledge and may allow early diagnosis of many diseases.
The MRI is possible in the human body because our bodies are filled with small biological 'magnets', the most abundant and responsive of these are the protons (in the nucleus of the hydrogen atom). The principal of the MRI, utilizes the random distribution of protons, which have basic magnetic properties. Once the patient is placed in the cylindrical magnet, the diagnosis process follows 3 steps. First, MRI creates a steady state of magnetism in the body, that is 30,000 time greater then that of the earth's own magnetic field. The rate of absorption in the body is measure in megahertz and gigahertz ranges. Then MRI stimulates the body with radio waves to change the steady-state orientation of the hydrogen protons. It then Stops the radio waves and 'listens' to the bodies electromagnetic transmissions at the selected frequency. The transmitted signal is used to create images much like those of the CAT scans, but are far more accurate and much easier to interpret.
In current practice, the MRI is preferred for diagnosing most diseases of the brain and central nervous system. And is the best diagnostic technique we know. It's images, information, and other vital information surpass that of its relatives the CAT scans, x rays, PET scans, etc. The MRI has yet another distinguishing feature it can determine between soft tissue in both normal and diseased states. The only drawback to the MRI is that is relatively expensive (~$2,000 dollars session), but that may not be so bad when you account for all the money and time you save by getting treatment and diagnosis sooner. Because the MRI uses no radiation what-so-ever the only risk it presents is to people who have one or more of the following: A pacemaker, neurostimulator, implanted electrodes, pumps, or electrical devices, diabetic insulin pumps, aneurysm clips, shunt, seizures, heart bypass surgery, abdominal injuries, eye prosthesis, hearing aid, dentures, middle ear prosthesis, metal mesh, wire sutures, war injuries or gunshot wounds, other known metal fragments in head, eye, or body, known possible pregnancy, IUD's, penile prosthesis, joint or limb replacement, fractured bones treated with metal rods, plates, pins, screws, nails, or clips, any other for of prosthesis, permanent eye liner, wig, or make-up with metallic fragments.
Many organs that may not be visible by routine radiographic methods may become visible by ingesting, installing, injecting, or inhalation of substances. These substances are called contrast media, which are impenetrable by radiation. Exams involving a contrast include the upper intestine, the colon, a arthrogram ( a injection into a joint), myelogram ( an injection into the spinal canal), and an angiogram ( a injection of the contrast into an artery, vein, or lymph vessel). These procedures may be observed while the they are taking place, by fluoroscopy. Which is a movable, radiation sensitive screen.
Now That I have described static images and the processes used to create them let me explain dynamic images and how they are manufactured. Dynamic images, which record movement of organs or the flow of contrast material through blood vessels or spinal canal, may be obtained be recording the image by fluoroscopy, or by recording on to video tape or movie film (cineradiography). Both film and the video tape are permanent recording media. The fluoroscopic image on the other hand isn't. However, these images can be made permanent ( film spots), and can be made at any time during the examination.
The use of ionizing radiation in the assessment of a disease is similar to the use of drugs and medication in treatment of the disease. For the simple reason that radiographic exams should only be performed for specific medical indications and only on the direct request of a physician or another skilled professional. And although diagnostic radiation dose levels do have a small risk potential, no current evidence shows that properly conducted diagnostic exams have no detectable adverse effects on our bodies. Dynamic images are used quite frequently, but not as often as static images.
As I mentioned at the beginning of my report, there are 2 sections of radiology. And since I just discussed diagnostic radiology, it is time to explain a little about therapeutic radiology. Therapeutic Radiology is used in the treatment of malignant diseases with ionizing radiation, either alone or with drugs. This practice branches off from the discovery of elements that occur naturally in the late 19th century. Such treatment is often described in terms of energy of the beam being used: superficial(less then 120 Kilovolts, orthovoltage (l20 to 1000 kV), megavoltage (Greater then 1000 kV) Superficial radiation is used in treatment of diseased skin, eye, or other parts of the bodies surface. Orthovoltage therapy has almost been completely replaced megavoltage(cobalt, linear accelerator, and betatron). Because it provides more efficient delivery of the intended dose to tumors deep within the body, sparing the skin and surrounding tissues as much as possible.
Radiation therapy may be used alone as the treatment of choice in most cases of cancer of the skin; in certain stages of cancers involving the cervix, uterus, breast, and prostate; and in some types of leukemia and lymphoma, particularly Hodgkin's Disease. In such instances, radiation therapy is intended to effect a cure. But when is use with cancer-treatment drugs it may only pose as a relief of symptoms. Radiation therapy is commonly used before and after surgical removal of certain tumors, in order to provide a better chance of cure.
The idea of radiation therapy is that normal tissues have a greater ability to recover from the effects of the radiation more so then tumor and tumor cells. Thus, a radiation dose sufficient to destroy tumor cells will only temporally injure adjacent normal cell. And if the ability of normal tissue to recover from a given amount of radiation is known to be the same as or less then that of the cancer tissues, the tumor is described as being radio-resistant. Such forms of therapy are not considered an appropriate form of treatment.
Well, as you can see radiology is a field of study that deserves our uttermost attention. For the future of humanity may one day totally rely on these processes.
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|Technology||I didn't do it: how the simpsons affects kids||I Didn't Do It: How The Simpsons Affects Kids The Simpsons is one of Americas most popular television shows. It ranks as the number one television program for viewers under eighteen years of age. However, the ideals that The Simpsons conveys are not always wholesome, sometimes not even in good taste. It is inevitable that The Simpsons is affecting children. Matt Gro...|
|Technology||Impressions of television||Impressions of Television SOME AMERICANS COMPLAIN THAT THERE IS TOO MUCH VIOLENCE IN TELEVISION, PARTICULARLY IN AN ACTION SERIES OR CARTOONS. THEY ARE AFRAID THAT PEOPLE, ESPECIALLY CHILDREN, WILL SEE THESE SHOWS AND THINK THAT THE ONLY WAY TO RESOLVE PROBLEMS IS THROUGH VIOLENT ACTS. I THINK THAT THERE ARE A LOT OF FACTORS OTHER THAN TELEVISION THAT EFFECTS PEOPLE. HAVE YOU EVER...|
|Technology||Impressions of television||IMPRESSIONS OF TELEVISION SOME AMERICANS COMPLAIN THAT THERE IS TOO MUCH VIOLENCE IN TELEVISION, PARTICULARLY IN AN ACTION SERIES OR CARTOONS. THEY ARE AFRAID THAT PEOPLE, ESPECIALLY CHILDREN, WILL SEE THESE SHOWS AND THINK THAT THE ONLY WAY TO RESOLVE PROBLEMS IS THROUGH VIOLENT ACTS. I THINK THAT THERE ARE A LOT OF FACTORS OTHER THAN TELEVISION THAT EFFECTS PEOPLE. HAVE YOU EVER TRIE...|
|Technology||Influence of television||Pandora"s Box Television is a form of media that has great ability to influence and brainwash the viewing public. The talking box in one"s living room has assumed the overpowering role it plays today as a result of the weakness of society. This may seem like a negative view but a society"s strength is based on the relationships between people and when so much time is spent away from others a...|
|Technology||Information systems development process||Oliver Lines BABS 2 â“ Option Managing Information Systems In Organisations RECENT ADVANCES IN SYSTEMS DEVELOPMENT WILL RADICALLY CHANGE THE INFORMATION SYSTEMS DEVELOPMENT PROCESS INTRODUCTION In recent years, there has been an abundance of new technologies in the information systems field. These new technologies have altered the very development process i...|
|Technology||Information technology||Information technology is a rapidly growing part of today's society. It affects everyone's life in many aspects. Every human endeavor is influenced by information technology and the increasing rate at which what it can perform includes. One area of human endeavor that information technology has greatly influenced is the practice of medicine, specifically veterinary medicine. Not only has veteri...|
|Technology||Injection molding||Plastics Engineering Injection Molding Most people have never heard of injection molding, however the products that are produced through this process are as common as a toothbrush, a compact disk, or even drinking glasses. Injection Molding is one of the principal processes used in converting plastics into useful products. An injection molding machine can be large or small but ...|
|Technology||Internet addiction||Internet Addiction Research Paper Theme: Social Impact of the Internet 8 October 1997 ABSTRACT The Internet is the largest source of information in the world today. With its web sites and chat rooms, it is a means of communicating with people in places all over the face of the earth. Since its conception in 1973, the Internet has grown at a whirlwind rate. 51 million adults, were on-line as ...|
|Technology||Internet and cyberspace||My research project tries to delve into commonly misunderstood or badly formed interpretations of the Internet. In this assignment I analyze common web terms such as the matrix, cyberspace, virtual reality and to an extent artificial intelligence. I explore the interpretations of people from a wide array of society with regard to these Internet concepts. How do these different concepts relate? The...|
|Technology||Internet history||History of The Internet The Internet is a worldwide connection of thousands of computer networks. All of them speak the same language, TCP/IP, the standard protocol. The Internet allows people with access to these networks to share information and knowledge. Resources available on the Internet are chat groups, e-mail, newsgr...|
|Technology||Internet jargon (netspeak)||Netspeak:An analysis of Internet jargon Approximately 30 million people world-wide use the Internet and online services daily. The Net is growing exponentially in all areas, and a rapidly increasing number of people are finding themselves working and playing on the Internet. The people on the Net are not all rocket scientists and computer programmers; they're graphic designers, teachers, students,...|
|Technology||Internet legislation||With the recent popularity of the Internet many topics concerning it have hit main street media. One of these topics is legislation to control its certain aspects. Legislation is now one of the feuded discussions when it comes to the Internet, and through my report I hope to shed some light on this topic of conterversy. The Internet by definition is an international web of interconnected gove...|
|Technology||Internet privacy||Internet Privacy: Is the Internet as safe as everyone says? As every generation comes they bring with them a new invention from cars to television to the telephone the basic existence of man, in my eyes, is to advance both technologically, thus making life better for us all and also scientifically. Man wants to know all we want to be able to answer all the questions out there as every day goes by...|
|Technology||Internet regulation: policing cyberspace||The Internet is a method of communication and a source of information that is becoming more popular among those who are interested in, and have the time to surf the information superhighway. The problem with this much information being accessible to this many people is that some of it is deemed inappropriate for minors. The government wants censorship, but a segment of the population does...|
|Technology||Is information on the net reliable?||Is Information on the Net Invalid? In his essay, "Picking Nits on the Net," John Oughton reminds Internet users that information on the Net does not have a guarantee of authenticity, so it must be carefully evaluated. Oughton gives some examples and also provides some useful advice on evaluating information on the Internet. Oughton"s writing is well supported by reasonable arguments, info...|
|Technology||Java vs. c++||Since their inception, computers have played an increasingly important role in today"s society. Advancements in technology have enabled computers to become faster and cheaper. Today, the majority of families own a home computer that is vastly more powerful than giant mainframes of years gone by. Computer hardware has been evolving rapidly with no end in sight, and with all of the advancements i...|
|Technology||Laser technology||The laser is a device that a beam of light that is both scientifically and practically of great use because it is coherent light. The beam is produced by a process known as stimulated emission, and the word "laser" is an acronym for the phrase "light amplification by stimulated emission of radiation." Light is just like radio waves in the way that it can also carry infor...|
|Technology||Limiting children"s access to internet pornography||Pornography is one of mankind"s most revered, respected, and repulsed pastimes. Adults can use pornography to relieve stress, enhance their sex lives, or simply as a means of entertainment. One of the easiest and most popular ways of obtaining pornographic material is over the Internet. The only downside is that the Internet is accessible to children; therefore, pornography is accessible to chi...|
|Technology||Management information||Planning for Management Information System Planning for Management Information System The biggest challenge and most critical success factor in reengineering projects are persuading the people within the organization to cooperate. When you begin to computerize a legacy system considers the advantages; reduc...|
|Technology||Managing a pc||Managing A Personal Computer 1.1 The AUTOEXEC.BAT file is one of files which loads every time the computer is booted. It contains command lines and procedures to run programs and load settings for the system"s hardware and software configuration. It also may contain command lines procedures to run programs which may clean your system"s hard drive of temporary files and viruses. An example o...|
|Technology||Manufacture in scotland today||Contents Contents page Page 1 Introduction Page 2 Electronics Page 3 Semiconductors Page 5 Aerospace Page 6 Automotive Page 7 Conclusion Page 8 References Page 9 "Manufacturing In Scotland Today" Introduction This report is not so much on the state of the manufacturing industry in Scotland but rather of it"s current ...|
|Technology||Mark overman on creatine||Mark Overman on Creatine By. Mark D. Overman Creatine is one of the primary things an athlete will do to put supplements into their body. These supplements range from protein shakes to illegal anabolic steroids. Some sports supplements are incredibly safe and effective, yet others work for a while and then fizzle out, while others still work well but do more damage than good in the long ...|
|Technology||Medical bills||November 12, 1999 To whom it may Concern, Over a year and a half ago, I was diagnosed with Rheumatoid Arthritis in all extremities. As the months passed, even while on medication, it became more and more difficult to move. During the month of June, I was treated at the Palm Bay Community Hospital, on an out patient basis, for a cyst on my back, between my shoulder blades. ...|
|Technology||Microsoft||Wednesday, many government sources confirmed that Justice Department lawyers have proposed splitting Microsoft Corp. as a remedy for the company's allegedly anti-competitive behavior. The proposal was discussed over the weekend at a secret meeting of officials from the U.S. government and 19 states that have sued Microsoft. The position of the Federal government and the states was presented to F...|
|Technology||Middleware||Middleware In the past several decades, a trend has emerged where mid to large size corporations have needed to integrate their existing mainframe systems with their newer PC based information systems. With this shift in focus toward PC based communications and productivity software that became available on the market, companies scrambled for ways to tie PCs and mainframes together. This create...|
|Technology||Military aircraft||Thesis: Military aircraft has become more sophisticated in variety, effectiveness in war situations, and special maneuvering techniques in recent years. Military aircraft has become more sophisticated in variety, effectiveness in war situations, and special maneuvering techniques in recent years. With the advance of stealth technology, many new and very effective aircraft have been developed. The ...|
|Technology||Modern piracy with a breif history||Piracy is usually determined as a seizure of property (ship, airplane or software) that holds no commission from the owner ("Piracy" 1). It is mostly linked to the dirty, bearded men that sailed the seven seas and robed merchant ships or ships that carried a valuable cargo. This however, was not the case in the late eighties and is definitely not the case today in the nineties. Now software pir...|
|Technology||Multimedia||Multimedia, or mixed-media, systems offer presentations that integrate effects existing in a variety of formats, including text, graphics, animation, audio, and video. Such presentations first became commercially available in very primitive form in the early 1980s, as a result of advances that have been made in digital compression technology-- particularly the difficult area of image compres...|
|Technology||National tv turn-off week- what a dumb idea||In a time when millions of people are starving each year and thousands are killed in war zones, worrying about how much television we watch sounds like a stupid idea. Right? Well, that"s what people all across North America are doing every day. In fact, there is a full week dedicated to the cause: National T.V-Turnoff Week. National T.V-Turnoff week is nothing more then a cry for attenti...|
|Technology||National tv turn-off week: a dumb idea||National TV Turn-Off Week: A Dumb Idea In a time when millions of people are starving each year and thousands are killed in war zones, worrying about how much television we watch sounds like a stupid idea. Right? Well, that's what people all across North America are doing every day. In fact, there is a full week dedicated to the cause: National T.V-Turnoff Week. National T.V-Tur...|
|Technology||Overview of video on demand systems||Overview of Video On Demand Systems Joseph Newcomer SCOPE INTRODUCTION THE INITIATIVE FOR WORLDWIDE MULTIMEDIA TELECONFERENCING AND VIDEO SERVER STANDARDS NEW BUSINESS IMPERATIVES STARTING WITH STANDARDS TWO STANDARDS, ONE GOAL STANDARDS FIRST SUMMARY CONTENT PREPARATION: REQUIREMENTS: CODECs/Compression Ob...|
|Technology||Owens corning case||Owens Corning Case 1. Data Provisioning OCF conceptualizes the principal IS production activities that produce value for the company as transaction processing, data provisioning, and information delivery. Data provisioning manages the inventory of data and information, using relational database management systems and a data dictionary and data catalog. Transaction processing stores ...|
|Technology||Planning your proxy server implementation||By Donald Rohrbacher ___________________________________________ Planning Your Proxy Server Implementation A key factor in determining the success of any installation is planning. Planning involves several phases-from understanding your current capabilities, to determining your current needs, anticipating your future needs, and, ultimately, finding a viable solution. We have all been in sit...|
|Technology||Programming under the wizard's spell||The computer is a tool that has become indispensable to the modern family and company. In flourishing so successfully the computer has passed from incredibly complex and unusable to anyone how was not well versed in its intricacies, to consumer oriented and user-friendly. In Ellen Ullman's essay, Programming Under The Wizard's Spell, she attempts to convince to reader that the computer has be...|
|Technology||Radiology||Humanity, constantly learning, growing, and facing more challenges each second of the day. Whether the challenges are mental or purely physical. We have found more efficient, safer, and easier ways of doing the tasks we may face. From moving cargo, to sending information via the Internet. Probably the greatest accomplishments we have made, are in the studies of medicine/treatment. And ...|
|Technology||Save the internet||Save The Internet Did you know that 83.5% of the images available on the Internet were pornographic (Kershaw)? Did you know that pornography on the Internet is readily available to curious little children who happen to bump into them? Today, the Internet which has only become popular several years ago, is unequivocally one of the most revolutionary innovations in the computer world....|
|Technology||Save the internet||Did you know that 83.5% of the images available on the Internet were pornographic (Kershaw)? Did you know that pornography on the Internet is readily available to curious little children who happen to bump into them? Today, the Internet which has only become popular several years ago, is unequivocally one of the most revolutionary innovations in the computer world. The information superhi...|
|Technology||Security on the web||Security on the Web, By Sina How do you secure something that is changing faster than you can fix it? The Internet has had security problems since it"s earliest days as a pure research project. Today, after several years and orders of magnitude of growth, it still has security problems. The Internet is being used for a purpose for which it had never intended to be used for. It is somewhat ironi...|
|Technology||Silicon||Only once in a lifetime will a new invention come about to touch every aspect of our lives. Such a device that changes the way we work, live, and play is a special one, indeed. A machine that has done all this and more now exists in nearly every business in the U.S. and one out of every two households (Hall, 156). This incredible invention is the computer. The electronic computer has been ar...|
|Technology||Six hours of television||Six Hours of Television In looking at modern television programming there are hundreds of shows to choose from. Picking six hours of television to analyze from the prospective of an anthropologist is by no means easy. It is easy however, to talk about what our nation looks like to others who have never been here. Everyone is gorgeous, lives happily, and overcomes all problems, but...|
|Technology||Six hours of television||Six Hours of Television In looking at modern television programming there are hundreds of shows to choose from. Picking six hours of television to analyze from the prospective of an anthropologist is by no means easy. It is easy however, to talk about what our nation looks like to others who have never been here. Everyone is gorgeous, lives happily, and overcomes all problems, but more on ...|
|Technology||Society and the role that computers play in usa||Society and The Role That Computers Play In USA The microeconomic picture of the U.S. has changed immensely since 1973, and the trends are proving to be consistently downward for the nation's high school graduates and high school drop-outs. "Of all the reasons given for the wage squeeze â“ international competition, technology, deregulation, the decline of unions and defense cuts â“ ...|
|Technology||Software licensing||In 1993 worldwide illegal copying of domestic and international software cost $12.5 billion to the software industry, with a loss of $2.2 billion in the United States alone. Estimates show that over 40 percent of U.S. software company revenues are generated overseas, yet nearly 85 percent of the software industry's piracy losses occurred outside of the United States borders. The Softw...|
|Technology||Software piracy: a big crime with big consequences||Software Piracy: A Big Crime With Big Consequences Imaging for a moment that you come across an advertisement saying you can meet up with an individual who will break into a store, disarm all of the alarms and will hold the door open for you as you walk inside and take anything you wish. This criminal offence occurs every day on computer systems around the world including the in...|
|Technology||Stealth aircraft||Thesis: Military aircraft has become more sophisticated in variety, effectiveness in war situations, and special maneuvering techniques in recent years. Military aircraft has become more sophisticated in variety, effectiveness in war situations, and special maneuvering techniques in recent years. With the advance of stealth technology, many new and very effective aircraft have be...|
|Technology||Switched networks||Switched Networks Networks are getting more and more popular, and because of this more people use them, which slows them down. Networks in the future will need to have enough bandwidth to support applications, like multimedia, witch require larger bandwidth. Switching will change the way networks are designed. These changes will maximize productivity. Switching technology is increasi...|
|Technology||Technological frontier||America has been a country full of optimism, perseverance, and freedom of ideas and beliefs. The frontier- a mental or physical area where much remains to be done- is a belief that has and still propels and influences America today. The technological frontier is probably the most influenced by the frontier belief. There is always room for better in technology. The technological advancements in the...|
|Technology||Technology||Technology Recently while having a get together with some friends we were relating some experiences that seem quite pertinent to the subject of how communication is or will change. David the son of my friend Jackie was at a loss when told to call home. It seems our young guest had never had to use a rotary telephone. Confronted with this icon of past technology, David went away with a new e...|
|Technology||Technology and your right to privacy||Technology and the invasion of privacy and its effects onthe criminal justice system over the last 100 years Will searching the internet for more than 5 hours on this topic I found a quote that is very appropriate it says; Subtler and more far-reaching means of invading privacy have become available to the government. Discovery and invention have made it possible for the government,...|
|Technology||Technology paper||Introduction When mainframe and minicomputers provided the backbone of business computing, there were essentially networked environments in the sense that "dumb" terminals shared access to a single processor (the minicomputer or mainframe), printer (or printers) and other peripheral devices. Files could be shared among users because they were stored on the same machine. Electrical and...|
|Technology||Technology spontaneously approaching `humanity' with the passage of time||Technology Spontaneously Approaching `Humanity' With the Passage of Time By Avner Erez Tel Aviv University , Department of Film & Television Tools once helped early man increase his survivability, and they became more and more useful as means to achieve our goals. Today, innovations in technology have allowed us to fabricate tools of increasing complexity. As we recognize ...|
|Technology||Technology spontaneously approaching humanity with the passag||Technology Spontaneously Approaching "Humanity" with the Passage of Time ------------- By Avner Erez Tel Aviv University , Department of Film & Television Tools once helped early man increase his survivability, and they became more and more useful as means to achieve our goals. Today, innovations in technology have allowed us to fabricate tools of increasing complexity. As we recognize th...|
|Technology||Technology transfer||Analyzing the transfer of technology from one place to another can be a very difficult task. People have tried to trace the origins of specific technologies and map out what cultures it affected, why and what impact the technology had on history. Books have been written on conclusions that authors have made after doing the research I have suggested. I believe that obtaining the information to ...|
|Technology||Telecommunications & networking report||1. 23-Sep-99: "Free Web Services Challenge AOL"s Dominance" - Internet business analysts generally are not yet convinced of the viability of the free web service business model for bring profitable. None-the-less, most agree that the free access will probably take a significant chunk of AOL"s market share before running out of investor"s money. 2. 23-Sep-99: "Visitalk.com Builds White Pages ...|
|Technology||Televised violence is here to stay||Televised Violence is Here to Stay One of the most heated issues debated, ever since the invention of the television, is the effects of media violence on society. Many try to wipe it out, but will undoubtedly fail. It has great educational and entertainment value. There have even been studies showing that viewing television violence will actually relieve stress. For these reasons, te...|
|Technology||Television||Television The start of the television market all began in 1897 by K.F. Braun. He invented the cathode ray tube which would become the screen of most television sets. In 1925 C. Francis Jankins had used some ideas from a Scottish engineer, A. A. Campbell, to create images on the screens. The United States navy used this new technology to transfer images back and forth to its sh...|
|Technology||Television and commercialism||Television and Commercialism Television is populated with images which are superficial and lack depth. Programs look more like ads and ads look more like programs. All this leads to a close circle of consumerism. The three excerpts relate to these unifying ideas thus the validity of their argument. "Surface is all; what you see is what you get. These images are proud of their s...|
|Technology||Television and the internet||Television and The Internet Having already done my fair share of internet surfing, I was excited to finally have the opportunity to do a research paper that involved this vast and seemingly boundless electronic world. It is easy to passively interact with the rest of the world and scan effortlessly through millions of pages of information, some of which is useful, some of which s...|
|Technology||Television censorship||Television Censorship WHAT IS CENSORSHIP? "Censorship is the supervision and control of the information and ideas that are circulated among the people within a society. In modern times, censorship refers to the examination of books, periodicals, plays, films, television and radio programs, news reports, and other communication media for the purpose of altering or suppressing ...|
|Technology||Television soaps: the cultural construction of gender and representation||Television Soaps: The Cultural Construction of Gender and Representation Soaps but more importantly music videos can be said to interrogate the cultural construction of gender and representations of identity. The video suggests a set of images to the viewer and usually these are a blurring of gender and identity. Music videos predicate on the representation of female gender exp...|
|Technology||Television violence and it's effect on children||The children of today are surrounded by technology and entertainment that is full of violence. It is estimated that the average child watches from three to five hours of television a day! (Neilson 1993). Listening to music is also a time consuming pastime among children. With all of that exposure, one might pose the question, "How can seeing so much violence on television and video games a...|
|Technology||Television violence and its effect on children||Television Violence and Its Effect on Children The children of today are surrounded by technology and entertainment that is full of violence. It is estimated that the average child watches from three to five hours of television a day! (Neilson 1993). Listening to music is also a time consuming pastime among children. With all of that exposure, one might pose the question, "How can ...|
|Technology||Television, what a waste of time||How much does television mean to you? Would you sacrifice your mind, your health, and your well-being just to keep ahold of it? Most people would. They are unaware of the severe effects that TV has on our lives and on our future. I think that television should be banned from all American households because of the negative ideas it exploits, the creative minds it destroys, and the growi...|
|Technology||Television, what a waste of timme||Television, What A Waste of Timme How much does television mean to you? Would you sacrifice your mind, your health, and your well-being just to keep ahold of it? Most people would. They are unaware of the severe effects that TV has on our lives and on our future. I think that television should be banned from all American households because of the negative ideas it exploits, the cr...|
|Technology||Telivision||Television The start of the television market all began in 1897 by K.F. Braun. He invented the cathode ray tube which would become the screen of most television sets. In 1925 C. Francis Jankins had used some ideas from a Scottish engineer, A. A. Campbell, to create images on the screens. The United States navy used this new technology to transfer images back and forth to its ships....|
|Technology||The advancement of computers||Computers are one of the most important inventions ever. If computers had not been invented, technology would not be developed to its current state. Since the computers invention, society has changed drastically. Computer technology is so helpful, that it is even used to create newer, better computer equipment. Almost everything today is linked in some way, to computers. Before comp...|
|Technology||The anti-trust case against microsoft||The Anti-Trust Case Against Microsoft Since 1990, a battle has raged in United States courts between the United States government and the Microsoft Corporation out of Redmond, Washington, headed by Bill Gates. What is at stake is money. The federal government maintains that Microsoft's monopolistic practices are harmful to United States citizens, creating higher prices and potentiall...|
|Technology||The applications of technology in the first decade of the twenty-first century||The Applications of Technology in the First Decade of the Twenty-First Century A quote I heard many times when I was in high school and which I now know traces back to Sir Francis Bacon, one of our earliest scientist or philosophers as they were then called, is the statement "Knowledge Is Power." Today, I believe that the fuller, more correct statement is to say, "the applicat...|
|Technology||The dependability of the web||The Dependability of the Web by Nathan Redman A new age is upon us - the computer age. More specifically, the internet. There's no doubt that the internet has changed how fast and the way we communicate and get information. The popularity of the net is rising at a considerable rate. Traffic, the number of people on the web, is four times what it was a year ago and every thir...|
|Technology||The dvd revolution||The DVD Revolution Specific Purpose: To inform my audience about the features and advantages of DVD video. Central Idea: The DVD video format has superior audio and visual quality to VHS, as well as more special features, which is why it should eventually occupy the place of the VCR in American households. Introduction I"d like to start things out by taking a survey. How m...|
|Technology||The environment is going to hell||The Environment Is Going To Hell This is the litany: Our resources are running out. The air is bad, the water worse. The planet's specis are dying off-more exactly, we're killing them -at the staggering rate of 100,000 per year, a figure that works out to almost 2000 species per weak, 300 per day, 10 per hour, another dead species every 6 minutes. We're trashing the planet, washing away...|
|Technology||The evaluation of the microprocessor.||The Evaluation of the Microprocessor. The microprocessor has changed a lot over the years, says (Michael W. Davidson,http://micro.magnet.fsu.edu/chipshot.html) Microprocessor technology is progressing so rapidly that even experts in the field are having trouble keeping up with current advances. As more competition develops in this $150 billion a year business, power and speed of the m...|
|Technology||The evolution of the microprocessor||Only once in a lifetime will a new invention come about to touch every aspect of our lives. Such a device that changes the way we work, live, and play is a special one, indeed. The Microprocessor has been around since 1971 years, but in the last few years it has changed the American calculators to video games and computers (Givone 1). Many microprocessors have been manufactured for all ...|
|Technology||The future of earth||Welcome to ESSAYWORLD.COM. Got a paper due in a few weeks and you can't think of anything to write about? Then you have come to the right place on the web. Located around this site are over one thousand essays, term papers, research papers, and reports written by other students on all sorts topics - all sorted by categories for easy locating. This site is constantly being updated with n...|
|Technology||The history of the internet||The History of The Internet Imagine talking about the latest elections with someone three thousand miles away without receiving a tremendous phone bill. Or sending a letter to a friend or relative and having it arrive one second later. How would it feel to know that any source of information is at your fingertips at the press of a button? All of these are possible and more with a s...|
|Technology||The history of the internet||The History of the Internet Greg Rice 4/25/00 The Internet has update the computer and communications world like nothing before. The invention of the telegraph, telephone, radio, and computer set the stage for this unprecedented integration of capabilities. The Internet is at once a world-wide broadcasting capability, a mechanism for information distribution, and a medium for...|
|Technology||The impact of television||The Impact Of Television Since the beginning, there have been mixed reactions to television and it was E.B. White who wrote "I believe that television is going to be the test of the modern world, and in this new opportunity to see beyond the range of our own vision, we shall discover either a new and unbearable disturbance of the general peace or a saving radiance in the sky. We shal...|
|Technology||The impact of television||The Impact Of Television Since the beginning, there have been mixed reactions to television and it was E.B. White who wrote "I believe that television is going to be the test of the modern world, and in this new opportunity to see beyond the range of our own vision, we shall discover either a new and unbearable disturbance of the general peace or a saving radiance in the sky. We shall stand...|
|Technology||The inter(esting)net||The Inter(esting)net With only 1000 or so networks in the mid 1980's, the Internet has become tremendous technological change to society over the past few years. In 1994, more than twenty-five million people gained access to the Internet (Groiler..). The Internet users are mainly from the United States of America and Europe, but other countries around the world will be connected...|
|Technology||The internet||The Internet The Internet is a worldwide connection of thousands of computer networks. All of them speak the same language, TCP/IP, the standard protocol. The Internet allows people with access to these networks to share information and knowledge. Resources available on the Internet are chat groups, e-mail, newsgroups, file transfers, and the World Wide Web. The Internet has no...|
|Technology||The internet||The Internet, or "net, is a vast network of computers that connects many of the world's businesses, institutions, and individuals. The Internet is composed of many parts, including the World Wide Web, FTP, IRC, Newsgroups, Gopher, WAIS, Archie, and of course Electronic Mail (Email). The Internet is mainly used for communication. Email is the most heavily used resource of the Internet- over...|
|Technology||The modem||The Modem First of all I would like to start with an introduction I chose this topic because I thought it would be interesting to learn about how a modem works in a computer. With modem we are able to access the Internet BBS' or Bulletin Board Systems. The MODEM is one of the smartest computer hardware tools ever created. modem is an abbreviation of Modulator De Modulator it is fairl...|
|Technology||The new internet||Without a doubt, the Internet is undergoing a major transition as it experiences a tremendous influx of new users. Due to the anarchic, distributed nature of the net, we cannot even begin to enumerate the population of the Internet or its growth. As more of the world's population moves on-line, new concerns will arise which did not confront the earlier generations. The new culture will demand diff...|
|Technology||The origins of the computer||The Origins of the Computer This report is to be distributed freely and not to be sold for profit ect. This report can be modifyed as long as you keep in mind that you didn't write it. And you are not to hand in this report claiming credit for it heheh. The Roman Empire, founded by Augustus Caesar in 27 B.C. and lasting in Western Europe for 500 years, reorganized for world politic...|
|Technology||The telephone and its corporation||The phone is easily one of man"s most important, useful and taken for granted inventions. The telephone has outgrown the ridicule with which it first received, now in most places taken for granted, it is a part of many people"s daily lives. It marvelously extended the ways man converses that it is now an indispensable help to whoever would live the convenient life. All disadvantage of being deaf ...|
|Technology||The telephone system||The Telephone System The telephone is one of the most creative and prized inventions in the world. It has advanced from its humble beginnings to its wireless communication technology today and for the future. The inhabitants of the earth have long communicated over a distance, which has been done by shouting from one hilltop or tower to another. The word "telephone" originated...|
|Technology||The v-chip||The V-Chip What is a V-chip? This term has become a buzz word for any discussion evolving telecommunications regulation and television ratings, but not too many reports define the new technology in its fullest form. A basic definition of the V-chip; is a microprocessor that can decipher information sent in the vertical blanking of the NTSC signal, purposefully for the control of viole...|
|Technology||Tool of the trade||Tool of the Trade By: Tim Bommelman Jr. In any game, the equipment players use determines the way the game unfolds. Try to imagine a soccer game played with an American football! Or try playing tennis with the wooden racquets of thirty years ago. Change the equipment, and you discover a very different game. As part of my look at baseball, I decided to examine the tool of the baseball t...|
|Technology||Tracking tv programs||Tracking TV Programs Since its invention, television has been an important part of American life and culture. In our modern society, there are even those who would argue that it has become an absolute necessity. Recently, many people have been debating whether or not television content is corrupting our youth and Americans in general. In spite of this, I believe that the networks d...|
|Technology||Tracking tv programs||Since its invention, television has been an important part of American life and culture. In our modern society, there are even those who would argue that it has become an absolute necessity. Recently, many people have been debating whether or not television content is corrupting our youth and Americans in general. In spite of this, I believe that the networks do an adequate job of provi...|
|Technology||Truth and lies about the computer virus|