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Free research papers and essays on topics related to: visible spectrum

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  • Atomic Theory - 703 words
    Atomic Theory Chemistry: A Brief History of Atomic Theory February 28, 1999 In the beginning of the 1800s John Dalton, an English scientist did work some work on gases, which lead him to the creation of a complex system of symbols for all known elements at the time. He took all the information he had collected, along with the Laws of Conservation of Mass, Definite Composition and Multiple Proportions and updated Aristotle's theory of matter with the Atomic Theory of Matter, which stated: - All matter is composed of tiny, indivisible particles called atoms. - Atoms of an element have identical properties. - Atoms of different elements have different properties. - Atoms of two or more elements ...
    Related: atomic, atomic number, mathematical theory, quantum theory, visible spectrum
  • Color Theory - 1,552 words
    ... ensations can be produced this way, including those red-blue mixes (purples and magentas) not found at any wavelength band in the spectrum. In photography, the principles of additive color synthesis underlie making separation negatives for photomechanical reproduction of color images, and dye transfer and similar printing processes. It was also the principal behind the Autochrome film process and similar screen processes. In the darkroom, additive color printing uses red, green, and blue exposures to obtain prints from color negatives and transparencies. ( 1 ) The Grainmaker filter relies on this principle of additive color printing. AUTOCHROME was a photographic transparency film patent ...
    Related: over time, isaac newton, visible spectrum, photographer, knife
  • 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
  • Observing Stars - 1,406 words
    ... ion of radiation is. Luminosity (L) is the total power emitted by a body. The Stefan-Boltzmann law states that the total energy radiated per unit time by a black body is proportional to the fourth power of its absolute temperature; it also depends on the surface area (A): L = s A T4 Stefans constant (s) = 5.67 x 10-8 W m-2 K-4 The amount of power received per unit area is flux (equal to power / area). Light emitted from an object spreads out in all directions, the further away it gets the less intense it becomes according to the inverse square law: L = d-2 E.g., As Saturn is ten times the distance from the Sun as Earth, the intensity of radiation is receives is 1/100 th of that for Earth ...
    Related: observing, stars, energy level, doppler effect, visible
  • Pyrotechnics - 499 words
    Pyrotechnics Pyrotechnics is defined as the art of making and using fireworks. Some consider fireworks dangerous, obnoxious bursts of noise; others consider them beautiful, artful displays of light. Either way you look at it, pyrotechnics is an interesting and dangerous hobby. Many colors and designs may be created by the placement of different compounds in distinct areas of the fireworks, either projectile or stationary ones. Some of the many different colors of the visible spectrum that can be easily recreated are; yellow, orange, red, green, and blue. The shades of yellow and orange can be easily recreated by the use of sodium or calcium chlorate. Red is easily attainable by the burning o ...
    Related: visible spectrum, aerial, shoot, destroying
  • Rainbows - 1,617 words
    Rainbows A rainbow is one of our atmospheres most exquisite and marvelous creations; "one of the most spectacular light shows observed on earth" (Ahrens, 1998). When a person views a rainbow, they are getting a personal light show that no other person can see as they do. Humphreys points out that: "Since the rainbow is a special distribution of colors (produced in a particular way) with reference to a definite point - the eye of the observer - and as no single distribution can be the same for two separate points, it follows that two observers do not, and cannot, see the same rainbow." (Humphreys, 1929). Of course, a camera lens will record an image of a rainbow which can then be seen my many ...
    Related: visible spectrum, naval officer, primary colors, classics, weather
  • The Beginning Of Time - 1,308 words
    The Beginning Of Time The Beginning Of Time There was a period in history when the beginning of the world in which we live in was a expressed through legends and myths, now, through the use of increasingly advanced scientific equipment we can see that the universe is more vast and complex than ever imaginable. The purpose of this paper is to show some of the modern beliefs regarding the beginning of the universe by finding the answer of these questions. What are the commonly excepted theories of the evolution of the universe? What is meant by the Big Bang Theory and how does it work? How our planet and solar system developed from The Big Bang? This paper will use scientific data to base the ...
    Related: nuclear fusion, protons and neutrons, short history, loop, silk
  • The Visible Light Spectrum - 751 words
    The Visible Light Spectrum "Mr. Petersuh-uh-uhn ... . I need a white crayon for the white parts of the map!", my daughter's classmate whines as she peers into her box of mismatched Crayons. "Don't worry about coloring those parts of the map. White isn't a color anyways ... ", replies her sixth grade teacher. Uh-oh. Big mistake! The entire class is now in for an impromptu lesson in the properties of light and the visible spectrum, courtesy of the child of a laser student. Added bonus: elevated egg-headed status for aforementioned child. "Excuse me, Mr. Petersen, but I feel that I must correct you on that. You are sadly misinformed. My Mom says that white is the presence of all color and black ...
    Related: spectrum, visible, visible spectrum, second grade, basic principles
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