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Free research papers and essays on topics related to: electromagnetic

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  • 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
  • Electromagnetic Waves - 294 words
    Electromagnetic Waves I went to Hawaii on vacation to get a tan, but I got something else instead. Ultraviolet rays are stronger, and hotter near the equator. When I got home I got x-rays. I was sent for treatment with gamma rays. Wow! What a vacation. It was so hot that I had to jump into a pool just to cool off. Ultraviolet rays have wavelengths between 10nm and 430 nm. They also have a very high frequency of about 10,000,000,000,000,000 Hz.- 1,000,000,000,000,000,000 Hz. Photon energy emissions are also very high. I think that overexposure to ultraviolet waves caused my sunburn and skin cancer. I had broken my leg by falling in-between the plane and the causeway while getting off the plan ...
    Related: electromagnetic, electromagnetic spectrum, skin cancer, cancer, cool
  • A Philosopher Of Nature - 1,482 words
    A Philosopher Of Nature A PHILOSOPHER OF NATURE December 1, 1998 Paper # 2 Intro to Philosophy Fifty years ago the single greatest philosopher walked upon this earth. How can I be so dauntless as to refer to one man as The Greatest philosopher? The answer is simple. All philosophers ask questions. Few of these questions will produce earth-shattering revelations and even fewer will change the world. Out of the handful of philosophers who have made a difference in the world I can think of only one who has, by use of an amazing mind and knowledge of complex mathematics, changed the world forever. Albert Einstein was born in Ulm Germany on March 14, 1879, and spent his youth in Munich, where his ...
    Related: philosopher, franklin d roosevelt, general theory, second world, fascination
  • Accounting And Auditing Processes - 895 words
    Accounting and Auditing Processes Justin Denman Accounting and Auditing Processes March 4, 2000 Writing Assignment #1 Revenue Recognition Policies The purpose of this paper is to compare the revenue recognition policies of two companies in the search, detection, navigation, guidance, and aeronautical systems industry. The two companies I have selected are Aerosonic Corporation, and Esco Electronics Company. Esco Electronics Company is engaged in the design, manufacture, sale and support of engineered products. These products are used principally in filteration/fluid flow applications, electromagnetic compatibility (EMC) testing, and electric utility communications and control systems. The fi ...
    Related: accepted accounting, accounting, auditing, generally accepted accounting principles, processes
  • Albert Eienstein - 426 words
    Albert Eienstein ALBERT EINSTEIN The German-American physicist Albert EinsteiN, contributed more than any other scientist to the 20th-century . Born in the town of Ulm, Germany, Mar. 14, 1879, HE then later died in Princeton, N.J., Apr. 18, 1955. In the wake of World War I, Einstein's theories, especially his theory of relativity, seemed to many people to point to a pure quality of human thought, one far removed from the war and its aftermath. Seldom has a scientist received such public attention for having the ability for learning thet he had. in 1905, Einstein examined the phenomenon discovered by Max Planck, according to which electromagnetic energy seemed to be emitted from radiating obj ...
    Related: albert, albert einstein, quantum mechanics, world war i, germany
  • Albert Einstein - 603 words
    ALBERT EINSTEIN Does the word quantum mechanics mean anything to you, well it should. What about E=MC2, all of this are very important to you but you may not know it. These theories were all developed by a very intellectual person, Albert Einstein. Albert Einstein is very important to the development of our country and the world. Albert Einstein started his life in Ulm, Germany, march 14, 1879. Einstein's parents were nonobservant Jews. They moved from Ulm to Munich when Albert was an infant. They had a family business of the manufacture of electrical apparatus. The company failed in 1894. So the family moved to Milan, Italy. At this time Albert had decided to give up his German citizenship. ...
    Related: albert, albert einstein, einstein, electromagnetic radiation, quantum mechanics
  • Albert Einstein - 1,216 words
    Albert Einstein Albert Einstein Albert Einstein was one of the greatest brains ever to come to the 20th century. Einstein contributed to the 20th century more than any other scientist ever. His theory of relativity is held as the highest quality of a human thought ever to come. Albert Einstein was born on March 14, 1879 in Ulm, Wurttemberg, Germany. His family moved from Ulm to Munich and had an unsuccessful business that made them move later to Milan, Italy. His parents were dealing with electrical apparatus. At this time Albert left his German citizenship. He persuades an exam that would give him the opportunity to study electrical engineering in Zurich Polytechnic but failed to pass it. A ...
    Related: albert, albert einstein, einstein, general relativity, secondary school
  • Albert Einstien - 1,742 words
    Albert Einstien Men and Women of Science Albert Einstein Early Life Einstein was born in Ulm, Germany on Mar. 14, 1879. Einstein's parents, who were non observant Jews, moved from Ulm to Munich, Germany when Einstein was an infant. The family business was the manufacture of electrical parts. When the business failed, in 1894, the family moved to Milan, Italy. At this time Einstein decided officially to end his German citizenship. Within a year, still without having completed secondary school, Einstein failed an examination that would have allowed him to pursue a course of study leading to a diploma as an electrical engineer at the Swiss Federal Institute of Technology. He spent the next year ...
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  • Bio Outline - 2,398 words
    Bio Outline BIOLOGY 220 OUTLINE SECTION II Text: Essential Cell Biology I. Opening Comments (Chapter 3) A. Life creates order out of disorder through a never-ending series of chemical reactions B. This is Metabolism and the ability to Metabolize C. Most of the chemical reactions required by the cell would not occur at physiological conditions D. Control of these reactions is achieved by specialized protein, ENZYMES. II. Basic Principles of Energy A. Energy - Basics Principles 1. Define Energy - ability to do work 2. Define Work - the ability to change the way matter is arranged 3. Define Kinetic Energy 4. Define Potential energy - energy of position 5. FIRST LAW of THERMODYNAMICS Energy can ...
    Related: outline, energy level, carbon dioxide, basic principles, storage
  • Black Holes - 1,218 words
    ... stence. The singularity, to some scientists, is nature's way of saying that the present physical laws we are using are not adequate to cope with the situation-perhaps we have missed the proper application of some existing laws or, in the extreme, because new laws are needed. Other scientists are just as certain that once we have a black hole, the singularity is ruled out; they indicate that as it takes an infinite time to reach the gravitational radius and as the universe spans a finite time, the black hole simply does not have enough time to go to a singularity. Perhaps an example will serve to illustrate what happens in space-time that could give rise to a singularity. Picture a thin s ...
    Related: black hole, black holes, stephen hawking, space time continuum, possesses
  • Black Holes - 797 words
    Black Holes Black Holes There are many strange and wonderful phenomenons being discovered throughout our Universe. One of the most intriguing is the concept of a black hole in space. Astronomers have discovered a black hole just 1,600 light years away from Earth. The National Radio Astronomy Observatory cataloged this black hole in the constellation Sagittari on a star called V4641. A black hole is one form of a dead star. A star has three choices when it dies, it can: shrink until it is a white dwarf, shrink until it is a neutron star, or keep on shrinking until it is a point in space with an infinite density known as a black hole. A black hole is an extremely dense outer space body that ha ...
    Related: black hole, black holes, electromagnetic radiation, hubble space telescope, stuck
  • Black Holes - 638 words
    Black Holes Black Holes Black holes are one of the more bizarre and intriguing predictions of Einstein's theory of gravity. Surprisingly, there is now a great deal of observational evidence that black holes do exist, both in binary star systems and at the center of most galaxies, including our own. Although we are gaining more knowledge of black holes, they still remain one of the strangest things anyone has ever heard of, and we may never know what exactly one of these things are and can do. It is impossible to manufacture black holes in a laboratory. The density of matter required is too great. In order to make a black hole the size of a baseball, you would have to pack all the matter in a ...
    Related: black hole, black holes, stephen hawking, approaches, universe
  • 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
  • Blackholes - 1,846 words
    Blackholes Black holes are objects so dense that not even light can escape their gravity, and since nothing can travel faster than light, nothing can escape from inside a black hole . Loosely speaking, a black hole is a region of space that has so much mass concentrated in it that there is no way for a nearby object to escape its gravitational pull. Since our best theory of gravity at the moment is Einstein's general theory of relativity, we have to delve into some results of this theory to understand black holes in detail, by thinking about gravity under fairly simple circumstances. Suppose that you are standing on the surface of a planet. You throw a rock straight up into the air. Assuming ...
    Related: theory of relativity, black hole, black holes, absorption, faster
  • Blackholes - 1,808 words
    ... inclination i of the system, and several important things can be calculated. The mass function f(M) = M2^3 sin i / (M1 +M2)^2 gives a relation between the masses of the two bodies, and the semi-major axis a1=AM2/(M1+M2)^2 sin i (where A is the separation of the centers of mass) gives the size of the orbit, which can also be related to the rotational velocities of the stars. A spectroscopic binary with no visible companion would be a candidate for a black hole, and if the dim star's mass is determined to be greater than that of the visible star, it would be a promising candidate. However, this method consists of many uncertainties. Although there were no hard cases for black holes any sci ...
    Related: black holes, general relativity, electromagnetic radiation, electromagnetic, companion
  • Brain Cancer - 635 words
    Brain Cancer The body normally forms new cells only when they are needed to replace old or damaged ones. If something happens to disturb this controlled process, abnormal or excessive cells are produced. When this occurs a tumor is developed. This is known as cancer. When a tumor is developed on the brain, it is called a brain tumor or brain cancer. Brain tumors can be benign or malignant (benign being not cancerous and malignant being cancerous). Both types can be deadly when dealing with the brain. Benign brain tumors consist of very slow growing cells. They have distinct borders and rarely spread to other locations. When viewed under a microscope, the cells of a benign tumor have an almos ...
    Related: brain, brain cancer, brain tumor, cancer, cancer research
  • Breast Cancer - 1,346 words
    ... tive risk of breast cancer. Those who have more than nine drinks a week have an increase of two and a half times the rate of breast cancer for a non-drinking person. In 1987, the National Cancer Institute published a report comparing 1524 women with breast cancer against a control group of 1896 without the disease. Again, alcohol appeared to promote breast cancer (Risk Factors for Breast Cancer). Several medical procedures or side effects of them have been thought to promote breast cancer. It was hypothesized that self-induced abortions could greatly increase the chances of getting cancer, as during pregnancy the cells in the breast quickly divide and reproduce. By having an abortion and ...
    Related: american cancer, breast, breast cancer, cancer, cancer institute, cancer prevention, cancer society
  • Breast Cancer - 1,682 words
    ... Cleveland added green tea to cultured cells of human lymphoma, prostate, breast and skin cancers. Amazingly, the tea killed every cancer cell, but did not harm a single normal functioning cell. Gianluca Lazzaro at the University of Illinois made a synthetic form of vitamin D5 that killed cancer cells in a lab culture. The University of Western Ontario found limonoids more effective than flavanoids in halting growth of cancer cells. Limonoids, true to the name, are responsible for the bitterness of lemons, limes, oranges, and grapefruit. Walt Willet of the Harvard School of Public Health conducted a study of 89,538 nurses between the ages of 3459. He found for those that consume hard liq ...
    Related: american cancer, breast, breast augmentation, breast cancer, breast implants, cancer, cancer center
  • Career Review: Pharmacist - 1,307 words
    ... dynamics 1 (CHEM254), Organic Chemistry2/Laboratory (CHEM 265/265L), Physics2/Laboratory (PHYS112/112L), (Third year) Advanced Cell Biology (BIOL 331), Physical Biochemistry (CHEM 357), Synthetic Organic Chemistry/Laboratory (CHEM 360/360L), Molecular Biology (BIOL330), Metabolism 1(CHEM333), Advanced Biochemistry Laboratory (CHEM334L), Elementary Statistics for biology (STAT202), And four elective courses, (Fourth year) Elective courses chosen from Group A, B, and C (Seven credits from Group A, B, and C, with at least 5.5 credits from Group A and B, of which are not less than 4.0 credits are from Group A). Group A: (BIOL 342) Molecular Biotechnology 1, (BIOL 428) The Molecular Genetics ...
    Related: pharmacist, social issues, drug therapy, unemployment rate, structural
  • Cell Phones - 1,620 words
    Cell Phones What Causes Cell Phone Radiation and How Does it Effect Your Body? What is so popular with young teenagers today? Cell phones. Walking around on campus to walking around at the mall with your cell phone may seem fashionable and trendy, but did you now that it might be causing you to get a cancer? Ninety percent of cell phone holders do not realize it and it should be something everyone should be aware of. It may seem a bit unusually how a cell phone can cause a child or an adult to get cancer, but it is true. New evidence is growing fast about health risks from mobile phones electromagnetic radiation. These devices can be used to make telephone calls from almost anywhere. Sympto ...
    Related: cell, cell phone, cell phones, mobile phone, electromagnetic radiation
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