• Glaucoma Eye Treatment Pressure
    597 words
    Glaucoma The most common eye disease of the eyelid is a sty, which is an infection of the eyelashes. Several congenital defects of the eyelids occur, including colo boma, or cleft eyelid, and ptosis, a drooping of the upper lid. (Eye 4) Defects to the eye are in inner surface of the eyelid to the eyeball, which usually burns. The eyelids are skin diseases such as eczema and acne and malignant tumors. The mucous membranes covering the inside of the eyelids and the outside of the eyeball, are othe...
  • Coherently Prepared Atomic Gas Maser Media
    573 words
    Description of Research " Multidisciplinary investigations using state-selected atoms " We are a (largely) experimental atomic physics research group. We apply atomic physics techniques to a wide range of problems, including: precise tests of physical laws and symmetries; the development of atomic clocks; biomedical and materials science investigations using laser-polarized noble gas nuclear magnetic resonance (NMR); laser spectroscopy of coherently-prepared atomic media, with applications to qu...
  • A Little Light Music
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    Light in the Modern World Since the beginning of time, mankind has made use of light, from simple things such as planting crops in areas of abundant light to things as well thought out as Stonehenge on the Salisbury plains. Not being content with having to rely on natural light from the sun and stars alone, we have created our own light. Our first method was fire, in such things as candles and oil lamps. More recently, however, we have relied mainly on electricity to provide us with artificial l...
  • Lasers Nuclear Warheads
    1,391 words
    Outline I. Introduction II. Science Research III. Manufacturing a) Large Equipment b) Computer Chips c) Plastic and Cardboard IV. Mining V. Communication VI. Photography VII. Medicine a) Eye Surgery b) Plastic Surgery c) General Surgery d) Dental VIII. Military a) Missile Guidance System b) Laser Sights c) Nuclear Warheads IX. Conclusion Introduction Laser is an acronym for light amplification by stimulated emission of radiation. Lasers are devices that amplify light and produce consistent lig...
  • Laser Surgery Skin Resurfacing Procedure
    894 words
    Laser Surgery Lasers in plastic surgery in laser resurfacing sometimes called laser peel a carbon dioxide (CO 2) laser is used to remove areas of damaged or wrinkled skin, layer by layer the procedure is most commonly used to minimize the appearance of fine lines especially around the mouth and the eyes however, it is also effective in treating facial scars or areas of uneven pigmentation laser resurfacing may be performed on the whole face or in other parts of the body often the procedure is do...
  • The Laser Redirect Light
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    The Laser Before we can learn about the laser we need to know a little bit about light (since that is what a laser is made of). Light from our sun, or from an electric bulb, is called white light. It is really a mixture of all the different colours of light. The colours range from violet, indigo, and blue, to green, yellow, orange, and red. These make up the visible part of the electromagnetic spectrum. Light is made up of particles, called PHOTONS, which travel in waves. The difference in the ...
  • Lasers Solid State
    1,282 words
    When most people see a laser beam they are amazed by its unique physical properties. Laser light is so unique from other light because it is coherent; unlike ordinary light, which travels in all directions, laser light travels in a straight beam. The word laser is an acronym for Light Amplification by Stimulated Emission of Radiation. The history of the laser is very interesting. Lasers have changed immensely since they were first invented. Before the laser was invented, Charles Townes developed...
  • Optical Fiber Fibers Laser One
    343 words
    Fiber optics is a kind of optics dealing with the movement of light through fibers or thin rods of glass. If light is put at one end of a fiber, it can move through the fiber with very low loss of intensity, even if the fiber is curved. The simplest use of optical fibers is the moving of light to places hard to reach, for example, inside a dentists drill. Also, bunches of several thousand very thin fibers put together, can be used to view images. Each point of the image made on one side of the b...
  • Lasing Material Laser Lasers Energy
    850 words
    Lasers and Their Uses We have all at some point in our lives used or seen someone use a laser. They are used in compact disc players for stereos or computers, laser surgery, laser printers, holography, cutting and boring metals, communication, bar-code scanners, etc. Over the past three decades' lasers have become a tool used daily by many people and they have become very useful in scientific research. As you can see lasers are a very useful and important tool which is why I have chosen this top...
  • Excited State Atoms Energy Laser
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    The Laser/Atom Connection A laser is a device that controls the way that energized atoms release photons. Laser is an acronym for Light Amplification by Stimulated Emission of Radiation, which describes very succinctly how a laser works! Although there are many types of lasers, all have certain essential features. In a laser, the lasing medium is "pumped" to get the atoms into an excited state. Typically, very intense flashes of light or electrical discharges pump the lasing medium and create a ...
  • Write Laser Disc Player Cds
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    This is copied off of. come just needed something to get into an account... sorry. In 2000, one of the biggest news stories was the rise of Napster and similar file-sharing programs. With these programs, you could get an MP 3 version of just about any song you want without shelling out a dime. The record companies were fairly upset over this turn of events, and understandably so: They weren't making any money off the distribution of their product to millions of people. An external writable CD d...
  • Optical Storage Mediums Hard Drive
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    Optical Storage Mediums James Ng The most common way of storing data in a computer is magnetic. We have hard drives and floppy disks (soon making way to the CD-ROM), both of which can store some amount of data. In a disk drive, a read / write head (usually a coil of wire) passes over a spinning disk, generating an electrical current, which defines a bit as either a 1 or a 0. There are limitations to this though, and that is that we can only make the head so small, and the tracks and sectors so c...
  • Laser Stimulated Emission
    982 words
    The Laser Before we can learn about the laser we need to know a little bit about light (since that is what a laser is made of). Light from our sun, or from an electric bulb, is called white light. It is really a mixture of all the different colours of light. The colours range from violet, indigo, and blue, to green, yellow, orange, and red. These make up the visible part of the electromagnetic spectrum. Light is made up of particles, called PHOTONS, which travel in waves. The difference in the ...
  • Holography White Light
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    Holography While working to improve the resolution of an electron microscope, a brilliant man named Dennis Gabor had developed a theory on Holography. This dates back to the year of 1947. Dennis Gabor is a British/Hungarian scientist who created the word Holography from Greek terms. He used the word holds, meaning "whole," and gramma, meaning "message." Gabor characterized his work as "an experiment in serendipity" that was begun too soon. The next decade brought about frustration in Holography...
  • Holograms Three Dimensional
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    I have chosen to do my MIS paper on holograms. I have chosen this topic because it is a technology that has been around for sometime now, but has become increasingly more popular in recent years. Holograms are now found in virtually all types of products. These products consist of currencies, checks, stock certificates, credit cards, passports, ID cards, computer software, audio / visual tapes and CD ROMs, aircraft, software, electrical / electronic appliances, building materials, food, pharmace...
  • Magna Versus Royal Laser
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    Society has become very cynical regarding business ethics. With liberalization and globalization becoming increasingly more important in the 21 st century, it has become more difficult to evaluate and validate the goals of a business while fulfilling the demands that ethics put on government, business and consumers. Clearly, the purpose of a business can take two opposing views. From a business standpoint, an organization's primary goal is to offer quality to its customers, efficiency from its e...
  • Computer Systems Laser Printer
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    Activities - Case Study 1 1. Write down all the possible ways that a computer could be used to assist the running of the hotel. Give as much detail as possible. A computer could be used for: Word processing: The word processor could be used to write letters, e. g. to write to customers to confirm their booking at the hotel or to order goods from suppliers. Notices and menus could also be produced using the word processor. Desktop Publishing: A desktop publishing package can be used to prepare a...
  • Laser In Medicine Refractive Surgery
    855 words
    The word ^aEURoelaser^aEUR is the combination of the first letters of the statement ^aEURoelight amplification by stimulated emission of radiation^aEUR (Hecht, p: 1). As an explanation of this statement, it can be said that laser is a device that creates and amplifies a narrow intense beam of consistent light. Laser light, has a specific wavelength and is focused in a narrow beam. This type of high-intensity light contains a lot of energy. Laser is an important technology because it has contribu...
  • Nuclear Propulsion And Other Conventional Forms Of Space Travel
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    Our current means for space travel are rapidly approaching their peak, and even when our chemically powered engines reach their maximum efficiency, interplanetary travel and possible colonization in outer space would be a far fetched idea. There are many forms of interplanetary travel that are being proposed, each with great potential. Currently, nuclear propulsion is being discussed as the next conventional form of space travel. NASA has already announced that they will spend $1 billion dollars...
  • Central Maximum Slit Laser Width
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    Oris John-Baptiste Physics Assignment Studying the diffraction from a single slit, using a laser beam. Introduction The aim of the experiment is the study the diffraction from a single slit using a laser beam. Diagram Method The laser beam was projected through a narrow slit onto a screen. The width of the slit was adjusted to view the different pattern changes on the screen. When a pattern of reasonable size was found, the central maximum was measured as shown in the diagram above. The distanc...