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Free research papers and essays on topics related to: magnetic field

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  • Aurora Borealis - 1,720 words
    Aurora Borealis AURORA BOREALIS Imagine a cold October night, you walk out to your car and something catches your eye. You step further into the street be it busy or not, and you begin to turn in 360 circles. For what your eyes behold is far from anything you have ever seen. A circle of green and blue swirl through the night sky, I could best describe this as two ballroom dancers doing a Waltz through the night sky. They flow, they glide so gracefully that they capture you and keep you entranced for a very long time. This my first experience viewing the amazing Aurora Borealis, it did not matter that people were watching, or that the roads were iced over and that I could not stand on ...
    Related: aurora, time life books, magnetic field, solar wind, gases
  • Black Holes - 1,516 words
    ... n in space. At this exact point in time, high amounts of radiation are given off, and with the proper equipment, can be detected and seen as an image of a black hole. Through this technique, astronomers now believe that they have found a black hole known as Centaurus A. The existence of a star apparently absorbing nothingness led astronomers to suggest and confirm the existence of another black hole, Cygnus X1. By emitting gravitational waves, non-stationary black holes lose energy, eventually becoming stationary and ceasing to radiate in this manner. In other words, they decay and become stationary black holes, namely holes that are perfectly spherical or whose rotation is perfectly uni ...
    Related: black hole, black holes, theory of relativity, stephen hawking, uniform
  • Black Holes As Future Power Plants - 1,996 words
    Black Holes As Future Power Plants Black Holes: The Power Source for Future Space Travel? Ryan Weaver University of Alaska Anchorage Everyone knows that the spaceships in Star Trek that travel faster than the speed of light are mere science fiction. According to Einstein's theory of relativity, if an object reached the speed of light, its mass would be immediately transformed into energy. Currently our spaceships can not even reach mars in less than five years. Now, with modern theories of black holes, trips to other solar systems may be possible at nearly the speed of light. Black holes were only proven to exist within the last twenty-five years and were only really considered to exist for ...
    Related: black hole, black holes, nuclear power, power plants, power supply
  • Canadian Birds - 1,619 words
    Canadian Birds The Branta Canadensis, better known as the Canada Goose is a magnificent bird which can be found all over North America. People from all over North America look towards the sky when the Canada Geese go honking overhead in their trademark V formation, and because they nest all over Canada and some of the United States many people have a chance to witness the birds migration to the nesting grounds and back to the wintering grounds. The Canada Goose is respected by so many of us because of it's dignity and courage and refusal to give up. Over the years the Canada Goose has picked up many slang names, some of these are: Canadian Goose, Canadian Honker, Honker, Honker Goose, Big Ho ...
    Related: canadian, north america, british columbia, magnetic field, species
  • Circuit Breaker Abstract - 964 words
    Circuit Breaker Abstract A circuit breaker was examined to determine how it works. Basically, it is designed to disconnect the current if the current passing through the breaker is higher than the allowable current. Its main parts consist of a switch, connecting pads, and the disconnect device. Since the breaker consists of many individual parts, the only improvement found was to combine some of the parts into a single part. Introduction Our group dissected a thirty-amp household Circuit-breaker. Its purpose is to protect electrical appliances from being damaged though excessive currents. A circuit breaker limits the amount of current that may safely enter a household electrical system via a ...
    Related: abstract, circuit, over time, magnetic field, simplify
  • Closest To The Sun - 1,074 words
    ---- Closest to the sun ---- Smallest of the inner planets ---- Temperatures reach up to 1,380 F ---- Has low gravity, therefore there is no atmosphere ---- Orbits the sun once every 88 days ---- Surface is devoid of basalt - a hard, dense type of volcanic rock that has a glassy appearance ---- High density which implies that there is a large iron or nickel-ore core ---- Fun/Interesting Fact* Mercury's perihelion (the time at which the planet is the closest distance from the sun) advances 43 seconds of arc per century. ---- Second planet that is closest to the sun ---- Earth's twin--has the same density, mass, diameter and rock composition ---- High surface temperatures reaching near 900 F - ...
    Related: chaos theory, magnetic field, earth's crust, silicon, oxygen
  • Comets - 1,209 words
    Comets The first written records of comets date back to nearly 3,000 years ago from China and Europe. The accounts of these comets were believed to be the causes of terrible events that occurred afterwards. In more recent times, however, astronomers have found out what they really are. A comet is basically a mixture of ices, from both water and frozen gases, and dust. They have also been given the names dirty snowballs or icy mud balls. The typical comet is less than 10 kilometers across. They spend most of their time frozen solid in the outer parts of our solar system. Comets are composed of five parts: the nucleus, coma, hydrogen cloud, dust tail, and ion tail. The nucleus is pretty solid ...
    Related: comets, solar wind, magnetic field, total number, decrease
  • Diamond - 1,222 words
    ... as it provided a more efficient method for adamantane production. Schleyer was able to increase the output of his adamantane synthesis to a 30% and 40% yield by exposing the tetrahydrodicyclopentadiene to an AlCl3-HCl mixture under 40 atms. of pressure of hydrogen and HF-BF3 catalyst respectively.7 When Schleyer focused his procedure on the retrieval of adamantane, he found that the synthesis was bountiful with the starting reactant dicyclopentadiene which is a common compound.3 Research into the enigmatic compound could then proceeded full force from this point on to examine the compound to its every minute detail. What they found confirmed their previous assertions that adamantane was ...
    Related: diamond, college publishers, organic chemistry, atmospheric pressure, efficient
  • Earth Planet - 2,128 words
    ... salt dissolved in the oceans is, on the average, 34.5 percent by weight. About the same percentage can be obtained if three quarters of a teaspoon of salt is dissolved in eight ounces of water. Water Supply for the Earth Water that evaporates from the surface of the oceans into the atmosphere provides most of the rain that falls on the continents. Steadily moving air currents in the Earth's atmosphere carry the moist air inland. When the air cools, the vapour condenses to form water droplets. These are seen most commonly as clouds. Often the droplets come together to form raindrops. If the atmosphere is cold enough, snowflakes form instead of raindrops. In either case, water that has tr ...
    Related: planet, planet earth, north pole, atmospheric pressure, supplying
  • Earth Summary - 430 words
    Earth Summary Earth An Inner Terrestrial Planet Size: About 8,000 miles in diameter Distance: 1 A.U. from the Sun Day: About 24 hours Year: About 365 days General Description: Earth may be the most unique of all planets because of the life forms we know exist here and the way they utilize the Suns energy. The Earth is composed of a great amount of water, mostly in the form of oceans, which make up most of its surface. It also contains various gases, of which make it possible for us humans to exist and is a system that exists between plants and animals here. Core/Interior: The Earth has three layers to it's interior, the inner core, outer core, and mantle. Of these the outer core is thought t ...
    Related: summary, oxygen content, general description, solar system, nickel
  • Earthquakes - 1,171 words
    Earthquakes Earthquakes have plagued our lives for as long as people have inhabited the earth. These dangerous acts of the earth have been the cause of many deaths in the past century. So what can be done about these violent eruptions that take place nearly with out warning? Predicting an earthquake until now has almost been technologically impossible. With improvements in technology, lives have been saved and many more will. All that remains is to research what takes place before, during, and after an earthquake. This has been done for years to the point now that a successful earthquake prediction was made and was accurate. This paper will discuss a little about earthquakes in general and t ...
    Related: earthquakes, andreas fault, pacific ocean, earth's magnetic field, prediction
  • Electro Magnetic Radiation - 777 words
    Electro Magnetic Radiation Electromagnetic Radiation Electromagnetic radiation is defined as "the emission and transmission of energy in the form of electromagnetic waves" (Chang, pp. 246). An electromagnetic wave consists of two waves at perpendicular planes, on representing the electrical field while the other represents the magnetic field. This spectrum is split up into about 81 octaves, much like the octaves of sound, which scientists have categorized in order to depict the usefulness of the different properties. Theoretically electromagnetic waves can be as long as the expansive width of the universe in one wave, to a wavelength the size of a quanta (the smallest amount of energy that c ...
    Related: electro, electromagnetic radiation, magnetic, magnetic field, radiation
  • Electro Magnetic Radiation - 777 words
    Electro Magnetic Radiation Electromagnetic Radiation Electromagnetic radiation is defined as "the emission and transmission of energy in the form of electromagnetic waves" (Chang, pp. 246). An electromagnetic wave consists of two waves at perpendicular planes, on representing the electrical field while the other represents the magnetic field. This spectrum is split up into about 81 octaves, much like the octaves of sound, which scientists have categorized in order to depict the usefulness of the different properties. Theoretically electromagnetic waves can be as long as the expansive width of the universe in one wave, to a wavelength the size of a quanta (the smallest amount of energy that c ...
    Related: electro, electromagnetic radiation, magnetic, magnetic field, radiation
  • Electromagnetic Radiation - 778 words
    Electro-Magnetic Radiation Electromagnetic Radiation Electromagnetic radiation is defined as the emission and transmission of energy in the form of electromagnetic waves (Chang, pp. 246). An electromagnetic wave consists of two waves at perpendicular planes, on representing the electrical field while the other represents the magnetic field. This spectrum is split up into about 81 octaves, much like the octaves of sound, which scientists have categorized in order to depict the usefulness of the different properties. Theoretically electromagnetic waves can be as long as the expansive width of the universe in one wave, to a wavelength the size of a quanta (the smallest amount of energy that can ...
    Related: electromagnetic, electromagnetic radiation, electromagnetic spectrum, radiation, industrial revolution
  • Energy - 1,130 words
    Energy Energy is the ability to do work. The two different types of energy are kinetic and potential. Kinetic energy is energy in motion and potential energy is energy that is stored. Energy is measured in units which are BTU (British thermal unit) and a joule. The Law of Conservation of Energy states that energy can't be created or destroyed, but it can be changed in form. Heat is a form of energy that comes in different forms such as conduction, convection, and radiation. Conduction is when energy is passed directly from one item to another. Metals are excellent conductors of energy. Plastics or other materials aren't. These are called insulators. Convection is the movement of gases or liq ...
    Related: kinetic energy, thermal energy, wind energy, alternative fuel, power plants
  • Fiber Optics - 1,648 words
    Fiber Optics Thesis: Some of the important features of the fiber optics that we are interested are discussed below. Now a days we are using copper wires as they are the most cost effective and reliable interconnect in parallel machines. However as machines grow more powerful, wire density becomes critical making fiber possible alternatives because of their small wire size. Fiber optics are used mainly to use effectively its high bandwidth. On a single fiber lots of information/data can be transmitted concurrently and in parallel. Over 1000 high bandwidth (100-200 Mb/s) independant channels or busses can be supported on a single optical fiber. Furthermore multiple buses can co-exist on a sing ...
    Related: fiber, fiber optics, optics, computer networks, magnetic field
  • From The Big Bang To Life On Earth - 1,267 words
    From The Big Bang To Life On Earth From the Big Bang to Life on Earth Should we as humans expect to find intelligent life elsewhere in the Universe? There are many reasons for and against this concept, but first we should trace just how our terrestrial life started. The beginning of time and the universe began with the Big Bang. This was an explosion that started the expansion of the universe. In the most basic sense, the standard model is simply the idea that every bit of the matter and energy in the universe was once compressed to an unimaginable density. In the big bang, the material exploded outward into the formation of matter that we see today. Shortly after this event everything in th ...
    Related: bang, planet earth, carbon dioxide, amino acids, spin
  • Fusion - 1,354 words
    Fusion Fusion reactions are inhibited by the electrical repulsive force that acts between two positively charged nuclei. For fusion to occur, the two nuclei must approach each other at high speed to overcome the electrical repulsion and attain a sufficiently small separation (less than one-trillionth of a centimeter) that the short-range strong nuclear force dominates. For the production of useful amounts of energy, a large number of nuclei must under go fusion: that is to say, a gas of fusing nuclei must be produced. In a gas at extremely high temperature, the average nucleus contains sufficient kinetic energy to undergo fusion. Such a medium can be produced by heating an ordinary gas of ne ...
    Related: fusion, magnetic field, different types, thermal energy, alpha
  • Fusion - 1,323 words
    ... eating, and the onset of nuclear fusion. The situation in star formation differs in one respect: after gravitational collapse ceases and star begins to expand again due to heat from exoergic nuclear fusion reactions, the expansion is arrested by the gravity force associated with the enormous mass of the star. In a star a state of equilibrium in both size and temperature is achieved. In ICF, by contrast, complete disassembly of fuel occurs. The fusion reaction least difficult to achieve combines a deuteron (the nucleus of the deuterium atom) with a triton (the nucleus of a tritium atom). Both nuclei are isotopes of the hydrogen nucleus and contain a single unit of positive electric charge ...
    Related: fusion, nuclear fusion, high power, greenhouse effect, shock
  • Fusion: Our Futures Energy - 969 words
    Fusion: Our Future's Energy? Fusion energy seems to be the most promising energy source of the not-too-distant future. It is safe, it uses an energy supply that is so abundant that it will never run out, it gives off harmless waste, and it produces energy comparable to the Earth's sun! But are there any problems with this hopeful energy source? What is Nuclear Fusion? To understand fusion, it is a good idea to know about fission. This is the splitting of the nuclei of atoms into two or more smaller nuclei by bombarding them with neutrons of low energy. It was discovered in the 1930's in an attempt to make transuranium elements (elements with atomic numbers greater than Uranium that do not ex ...
    Related: energy source, energy technology, good idea, princeton university, atomic
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