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Free research papers and essays on topics related to: oscillation

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  • Astronomers - 1,780 words
    Astronomers Part One Brief Descriptions of the Following Astronomers: Walter Baade : Baade was a German-born American, whose work gave new estimates for the age and size of the universe. During the wartime, blackouts aided his observatons and allowed him to indentify and classify stars in a new and useful way, and led him to increase and improve Hubble's values for the size and age of the universe (to the great relief of geologists.) He also worked on supernovae and radiostars. Milton Humason : Humason was a colleague of Edwin Hubble's at Mt. Wilson and Palomar Mtn. who was instrumental in measuring faint galaxy spectra providing evidence for the expansion of the universe. Jan Oort : In 1927 ...
    Related: catholic church, isaac newton, solar system, holland, medieval
  • Communist China - 1,265 words
    ... were taken to regulate their army, the Peoples Liberation Army (PLA), as they returned from Korea. When Mao died in September 1976 (Zheng, Party vs. State in Post-1949 China, 161) his revolutionary ideas died with him. At the next National Peoples Congress meeting, the nation was called to achieve four modernizations in agriculture, industry, national defense, and science and technology. (Metzler, Divided Dynamism, 161.) The modernization program gained momentum after Deng Xiaoping managed to return to power. The Congress decided to change its priority of the Party from political campaigns to economic development. Leaders devoted tremendous attention to reestablishing a legal system. La ...
    Related: china, china relations, communist, communist china, communist party
  • Crying Of Lot 49 - 1,920 words
    Crying Of Lot 49 Exploring thermodynamic entropy and information theory clarifies the ambiguous relationship between Oedipa Maas, Maxwell's Demon and the Tristero System in The Crying of Lot 49. Through a convoluted, chaotic adventure leading to disorder, Oedipa searches for the truth about Tristero, hoping it will save her from her tower of imprisonment (Pynchon, 11). Pynchon dangles this elusive message over Oedipa's head until she discovers Tristero's meaning. However, interference from thermodynamic entropy and the entropy of information theory prevent the message from being transmitted from the transmitter to the receiver. Thermodynamics deals with the changes that occur in a system if ...
    Related: crying, human body, quality of life, information overload, degradation
  • Dementiaa - 3,961 words
    ... re senile plaques (SP) and Neurofibrillary tangles (NFT). There are two types of SP, neuritic and diffuse, both plaques share antigenic determinants with the Beta amyloid 4 protein. Neuritic plaques can be distinguished by their abnormally thickened neurites ( i.e., axons or dendrites) arranged around a central core of amyloid (Mirra & Gearing, 1994). By contrast the diffuse plaques lack the thickened neurites and the amyloid core seen in the neuritic plaques (Mirra & Gearing, 1994). Plaques of both types are found in varying degrees in the neocortex, entorhinal cortex, hippocampus, and in the amygdala. SP also occur in the brains of healthy people. It is only when they exceed a certain ...
    Related: cerebral cortex, nervous system, carbon dioxide, 1984, diagnosis
  • Economical Effects Of El Nino - 1,661 words
    Economical Effects Of El Nino Economical Effects of El Nio El Nio is a warm coastal current that flows south along the coasts of Ecuador and Peru (Wyrtki). El Nio is a Spanish term meaning the child. The name refers to the Christ child because it usually begins around Christmas and ends around Easter (Cane). El Nio has recurred about twenty four times in the last century (Erickson). It is first recorded as far back as the early 1500's and returns on average of once every four years (Cane). El Nio causes much destruction in the short time it lasts. This system has been known to cause forest fires, typhoons, torrential rains, unusually powerful hurricanes, flash floods, severe droughts, and fr ...
    Related: economical, nino, northern australia, easter island, fisheries
  • El Nino Has Been A Reoccurring Phenomenon For Centuries Man Has Only Started To Realize How Much Of The Worlds Weather Is Eff - 1,334 words
    El Nino has been a reoccurring phenomenon for centuries. Man has only started to realize how much of the worlds weather is effected by it. The term El Nino refers to an irregular warming of the seas surface. During the last 40 years there have been 10 significant El Nino occurrences. Most affecting the coast of South America. Water temperatures increase along the coast as far as the Galapagos islands. Weak events will raise the water temperature 2 to 4 degrees Celsius and will have minor impact on fishing. However strong events such as the 1982-83 event will disrupt climate conditions around the world as well as local conditions. It has been linked to floods and droughts all over the world. ...
    Related: nino, phenomenon, weather, world economy, early stages
  • Gps - 1,694 words
    Gps The new Avionics Modernization Program (AMP) systems installed in the F-111E and EF-111A have raised their share of questions, so I have decided to continue my series of Everything You Always Wanted To Know handouts to you pilots, navigators, and maintenance technicians on how the cotton-picken' thing works. This informational pamphlet is an overview of the GPS system as a whole, NOT the system- specific hardware that you find in your respective aircraft. I'll cover the basic theory of operation here, and if there proves to be sufficient interest in platform-specific installation, that will be covered in a later supplement. THE BASICS GPS works by triangulation, the process of finding wh ...
    Related: good idea, high power, complicated, adjust
  • Kubla Khan - 2,711 words
    ... down, have faded into the light of common day and must be reconstructed from memory. Between the conception and the execution falls the shadow. Coleridge confronts these problems directly in lines 37-54 (the section beginning with the Abyssinian maid), where he enters the poem as lyric poet in propria persona. The vision of Kubla's Xanadu is replaced by that of a damsel singing of Mount Abora -- an experience more auditory than visual and therefore less susceptible of description by mere words. Moreover, it involves in an equivocal way a vision within a vision, since the remembered dream of the Abyssinian maid is the cortex of the lost vision of the content of her song. (Did Wordsworth, ...
    Related: khan, kubla, kubla khan, charles lamb, spiritual being
  • Neutrinos And Gamma Rays - 863 words
    Neutrinos and Gamma Rays Emission of a beta particle produces an energy change in the nucleus of an atom. The energy change that is observed, however, does not add up to satisfy the Law of Conservation of energy. The conservation law can be balanced if another particle, called the neutrino is part of this process. In the time it takes to read just this sentence, more than a billion of them will have passed unnoticed through the reader's body. Neutrinos may account for an appreciable portion of the mass of the universe, even tending to slow it's rate of expansion. Originally proposed in 1931 by Wolfgang Pauli to account for mass that was mysteriously lost from certain nuclear reactions,and fi ...
    Related: gamma, rays, dark matter, mediterranean sea, universe
  • Over The Past Years Most Individuals Have Become Acutely Aware That The Intensity Of Human And Economic Development Enjoyed O - 2,093 words
    Over the past years most individuals have become acutely aware that the intensity of human and economic development enjoyed over the 20th century cannot be sustained. Material consumption and ever increasing populations are already stressing the earths ecosystems. How much more the earth can take remains a very heated issue. Here a look at the facts sheds some very dark light. In 1950, there were 2.5 billion people, while today there are 5.8 billion. There may well be 10 billion people on earth before the middle of the next century. Even more significant, on an ecological level, is the rise in per capita energy and material consumption which, in the last 40 years, has soared faster than the ...
    Related: economic activity, economic development, human impact, human population, intensity, over time, past years
  • Ozone Layer Solid Research - 4,719 words
    Ozone Layer Solid Research Subject: TABLE OF CONTENTS How to get this FAQ Copyright Statement General remarks Caveats, Disclaimers, and Contact Information TABLE OF CONTENTS 1. THE STRATOSPHERE 1.1) What is the stratosphere? 1.2) How is the composition of air described? 1.3) How does the composition of the atmosphere change with 2. THE OZONE LAYER 2.1) How is ozone created? 2.2) How much ozone is in the layer, and what is a 2.3) How is ozone distributed in the stratosphere? 2.4) How does the ozone layer work? 2.5) What sorts of natural variations does the ozone layer show? 2.5.a) Regional and Seasonal Variation 2.5.b) Year-to-year variations. 2.6) What are CFC's? 2.7) How do CFC's destroy oz ...
    Related: layer, ozone, ozone depletion, ozone hole, ozone layer, solid, stratospheric ozone
  • Proposal For An Advanced Art Project - 1,287 words
    ... of various light and shadow forms and their interaction upon each other. -Possibly add color filters and a creative surface upon which these light forms are to be projected, creating a greater contrast and giving rise to many imaginative patterns and pseudo-three dimensional light sculpture. 3. Is a true three dimensional light sculpture actually possible using our current technology? Sure maybe with multi-million dollar real time holographic laser projection systems, but is it possible to create a compact photon form relying on using scrap parts and ingenuity? Would it have a definite projection surface, or could it be visualized in plain air space, maybe relying upon condensed carbon ...
    Related: advanced art, proposal, carbon dioxide, main theme, visual
  • The Creation Story - 1,182 words
    The creation story Consider the purpose of the literary presentation of the nature of God in Genesis chapters one to three. G.J Wenham states that, "Source criticism of the Pentateuch has often been a subject of controversy". Indeed, the Pentateuch or Torah has been the most questioned section of books in the world. It may also be the most well known group of books worldwide. The word Pentateuch literally means "five scrolls" and refers to the first five books of the Old Testament in the Bible. These books are, Genesis, Exodus, Leviticus, Numbers and Deuteronomy. These five books trace history from the beginning of time to the formation of Israel and its exodus from Egypt. The initial Act of ...
    Related: english poetry, genesis chapter, the bible, egypt, relevant
  • Twelfth Night - 963 words
    Twelfth Night In Shakespeare's "Twelfth Night", it is obvious that the oscillation of attitude, in the dual role played by the character of Viola/Cesario, gives her a better understanding of both sexes. It allows her to encompass a better discernment of the sentiments of the Duke, Orsino. Near the onset of the play, when Viola is assuming her male identity, she fashions an alternate self, giving her two masks. She takes on the "Cesario" identity in order to achieve more freedom in society. This is evident when, as Cesario, Orsino readily accepts her; while, as Viola, he may not have. Thus, the customary societal outlook on gender is portrayed. She now has the difficult task of deciding which ...
    Related: twelfth, twelfth night, duke orsino, turning point, wise
  • Zonation On Rocky Shore - 2,235 words
    Zonation On Rocky Shore The seashore is a habitat that contains a wide range of microhabitats and ecological niches for different creatures. This is mainly due to the effects of the tides, that rise and fall twice each day. Tides are the vertical movement of water in a periodical oscillation of the sea, due to the gravitational pull of the sun and moon. The tides are on a semi-diurnal cycle, so there are two high tides and two low tides each day. Due to the orbit of the moon, the tides also have a monthly cycle. This creates neap (very low) and spring (very high) tides. The seashore can be divided into several zones, which are illustrated on the diagram below: Key: EHWS = Extreme High Water ...
    Related: rocky, shore, adult life, sea anemones, environmental
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