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  • William Shockley
    1,214 words
    William Shockley was born on February 13, 1910 in London, England. He is most famously noted for winning the Nobel Prize in physics in 1956. He won this for being the co-inventor of the transistor with John Bardeen and Walter Houser Brattain. Shockley's parents were both Americans. His father, William Hillman Shockley, was a mining engineer born in Massachusetts. His mother, Mary Bradford, was a federal deputy surveyor of mineral lands. They returned to America when William was just a baby. They...
  • Solids Liquids And Gases
    573 words
    Solids, liquids, and gases are the three main, or fundamental phases of matter. Each one has a different density and a different level of stability. What determines the stability of each phase is the bond between it's atoms. The tighter the bond between it's atoms the more stable that phase of matter is. Solids are the most stable form of matter, followed by liquids, and then gases. Solids have a definite shape and do not take the shape of their container. Liquids do not have any definite shape ...
  • Use Of The Lasers
    1,303 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...
  • Gas And Semiconductor A Solid State Lasers
    885 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...
  • Fixed Bed Of Small Solid Particles
    439 words
    3.2 Justification for Proposed Work 3.2. 1 Theory Fluidization is a process where solid-state particles are moved into a fluid-like state by means of suspension from either a gas or a liquid. This is accomplished by passing an upward flow of either a gas or liquid up through a fixed bed of small solid particles. Fluidized beds are used in industry for a number of reasons. First, they are an easily controlled process due to smooth, liquid-like flow of the particles. Also, compared to other method...

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