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Free research essays on topics related to: electrical

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  • Animal Testing Three Major
    581 words
    Specific Purpose: To persuade my audience about the three major ways of how scientific experiments on animal is inhumane. I. Put yourself into an animals position. Imagine that you are being poked and probed by needles for the benefits of humans. II. Animals are being abuse more and more everyday in scientific experiments. III. I have pets and Im against animal testing, so knowing that animals are used in research is appalling. IV. Some research and scientific experiments are impractical and imm...
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  • Second World War Rest Of The World
    1,289 words
    JAPAN'S RISE FROM THE ASHES TO THE PINNACLE OF ECONOMIC PRESTIGE Japan is one of the world's leading economic powers when concentrating on its Gross Domestic Product of four point two trillion United States dollars. Its economy is only second to the United States in terms of production. However, Japan has not always contained a relatively strong economy. The Japanese's economic strategies have boosted economy to new heights since its fall during the second world war because of their unorthodox m...
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  • Plague Of Tics Stories A Plague Sedaris
    1,177 words
    One may view David Sedaris, without the knowledge of his background, as abnormal or even weird. However, throughout the two stories, A Plague of Tics, and Ashes, he breaks down the wall of otherness and allows an audience to take a look at his own personal life. Sedaris incorporates all sorts of humor to somewhat ease the tension of revealing his life and the awkwardness the audience may feel while reading his stories. The autobiographical point of view allows the audience to get a real sense of...
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  • Electromagnetic Radiation Infrared Radiation
    1,377 words
    You might remember the heroic role that newly-invented radar played in the Second World War. People hailed it then as "Our Miracle Ally." But even in its earliest years, as it was helping win the war, radar proved to be more than an expert enemy locator. Radar technicians, doodling away in their idle moments, found that they could focus a radar beam on a marshmallow and toast it. They also popped popcorn with it. Such was the beginning of microwave cooking. The very same energy that warned the B...
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  • Grand Coulee Columbia River
    1,070 words
    There are many different ways to harness the energy in water. The most common way of capturing this energy is hydroelectric power, which is just electricity created by falling water. The reason we are now searching for the new ways of energy particularly the way of water is because we need something that will last us longer than that of the fossil fuels that we are using this day in age. In the earlier years of Washington we needed a way to get energy in the PNW so we came up with the way of Hyd...
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  • Funk And Wagnalls Carbon Dioxide
    941 words
    Carbon dioxide lasers are one of the most powerful lasers ever constructed. The word LASER stands for Light Amplification by Stimulated Emission of Radiation. Lasers are devices that amplify light and produce light beams, ranging from infrared to ultraviolet. A light beam is consistent when its waves or photons, increase while mixing together. Laser light can be extremely intense, highly directional and very pure in color. Gas lasers such as the carbon dioxide laser is made active by ultraviolet...
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  • Computers On The Other Hand Back To Back Human
    428 words
    I'm sitting down at a computer that has very vast capabilities. It is capable of almost any application, but it being only the size of my history textbook, leaves it fragile and vulnerable. With a few light slams, or the pass of a powerful magnet, it's very existence could be destroyed. Ancient times suggest not only survival of the fittest, but also survival of the smartest. Long ago the dinosaurs went extinct leaving many of the bigger brained mammals the dominant species. Then the larger brai...
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  • Bermuda Triangle Ancient Greeks
    1,159 words
    The Bermuda Triangle is shrouded, in a thick cloud of mystery, in a thick cloud of controversy, and a thick cloud of argument. Not even the location of the Triangle is agreed on. The most common description of its location is the triangle formed by linking Bermuda, Miami, and Puerto Rico. But there is also two other descriptions: The Devil's Triangle is more like a blob that covers most of the western Caribbean. The Limbo of the lost is an area that stems from Miami to Barbados to the coast of I...
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  • Description Of A Class Fire Extinguisher
    766 words
    A fire extinguisher is a portable or movable apparatus used to put out a small fire by directing onto it a substance that cools the burning material, deprives the flame of oxygen, or interferes with the chemical reactions occurring in the flame. Water performs two of these functions: its conversion to steam absorbs heat, and the steam displaces the air from the vicinity of the flame. Many simple fire extinguishers, therefore, are small tanks equipped with hand pumps or sources of compressed gas ...
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  • Amount Of Light Fiber Optics
    1,073 words
    Everything You Ever Wanted to Know About dB But Were Afraid to Ask Telecommunications systems used electrical signals and copper wire to transmit voice messages long before lasers, lightwave's and fiber optic cable. To describe and measure power levels in electrical systems, telecommunication engineers used the standard unit of decibels to express gain or loss and relative power levels. Meanwhile, scientists working with fiber optic signals were using units of milli watts (mW) to determine the a...
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  • Neuro Transmission Positive Charge
    488 words
    neurotransmitters play a central and critical role in our psychological existence, identity, and experience of the world Neurotransmitters are chemicals that communicate between nerves. In some ways, neurons are like computers: they receive messages, process those messages, and send out the results as new messages to other cells. In the case of neurons, messages consist of chemicals that interact with the outer surface of the cell membrane. This chemical interaction with the cell membrane causes...
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  • L Ron Hubbard Refuse To Accept
    1,256 words
    ... then, is not a thing. It is the creator of things. The usual residence of the than is in the skull or near the body. A than can be in one of four conditions. The first would be entirely separate from a body or bodies, or even from this universe. The second would be near a body and knowingly controlling the body. The third would be in an inverted condition whereby he is compulsively away from the body and cannot approach it. There are degrees of each one of these four states. The most optimum...
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  • A Summary Ion Channels In The Membrane
    869 words
    A Summary: Ion Channels in the Nerve-Cell Membrane In this article, Richard D. Keynes details the workings of ion channels in nerve cell membranes. Nerve impulses (action potentials) are the unit by which information travels in an organisms nervous system, and the generation of this action potential is dependent on the nerve membrane being permeable to ions which in turn makes said membrane excitable. Electrical activity of a nerve is triggered by a depolarization across the membrane and this al...
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  • Electron Beam Display Screen
    1,097 words
    Computer graphics is the use of computers to produce pictorial images. The images produced can be printed documents or animated motion pictures, but the term computer graphics refers particularly to images displayed on a video display screen, or display monitor. These screens can display graphic as well as alphanumeric data. A computer-graphics system basically consists of a computer to store and manipulate images, a display screen, various input and output devices, and a graphics software packa...
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  • Hours A Week Fine Arts
    815 words
    There are three careers, which I may be aspired to: Architects are licensed professionals trained in the art, and science of building design. This means the overall artistic appreciation, plus the functional look of buildings, or other structures. They design the overall aesthetic. Artist generally fall into one of three groups: Art Directors formulate design concepts, with presentation approaches for visual communications media. Fine Artists create original artwork using a variety of media comb...
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  • Radio Wave Service Providers
    1,531 words
    Bandwidth is the capacity for carrying digital information. In the past few years, bandwidth has been increasing at roughly twice the rate of computing power. Data traffic has been doubling every 100 days (according to the U. S. Department of Commerce) and it is predicted that that Internet traffic will reach 16 million terabytes by 2003. Fiber is the transport medium of choice. It out performs copper, coaxial cable, and high frequency radio in data-carrying ability. As service needs increase, f...
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  • Radio And Television Cellular Phones
    2,125 words
    The Electronic Revolution Electronic Revolution The electronic revolution, sometimes referred to as the technological or industrial revolution has completely changed the entire world. Everyone is reeking the benefits of technology. From electricity, to telephones, to television, to satellites, to computers, to cellular phones; technology is everywhere. The most fundamental part of anything electric is electricity. Two thousand years ago, in the 16 th century, William Gilbert proved that many sub...
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  • Charged Particles Electrical Engineering
    296 words
    Assignment # 2 Expanded Definition Semiconductor The purpose of this definition is to create a better understanding of the very complex term semiconductor. This definition would be very beneficial to any individual involved or interested in the highly technical field of electrical engineering. I believe that this definition would be best suited for students enrolled in electrical engineering, because the concepts are laid out in a clear format. A semiconductor is a solid material whose ability t...
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  • Hard Drive Cd Rom
    621 words
    Fixing A Computer Fixing computers is easy. The paragraphs to follow contain information on labeling parts, problems, and repairing vs. fixing. In these paragraphs will also compare a computer to the human circulatory system. The internal parts of computers are very easy to recognize, once they are labeled. We will start by opening the case into the computer. Before opening the case don t forget to have the computer turned off and unplugged, we don t want to fry the computer parts. Once inside, ...
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  • Fossil Fuel Mechanical Energy
    305 words
    Hydro Power My alternative power source is Hydro power. It comes from water. The oldest and simplest form was the water wheel first used in ancient Greece for grinding grain. The water wheel design was changed by Jean Victor Ponce let in the 18 th century. He made the blades curved which raised the efficiency by 70 percent. The water wheel was now called a hydraulic turbine. The turbine is a rotary engine that changes the energy of a moving stream of water to mechanical energy. Mechanical energy...
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