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   Thomas Edison

   This dampened the success of less profitable work by others who were focused on inventing longer-lasting high-efficiency technology. ... The Wizard of Menlo Park: How Thomas Alva Edison Invented the Modern World.
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   Format war

   In 1877 Thomas Edison invented sound recording technology using a tin cylinder record, and soon thereafter mass-marketed the wax "Edison cylinder".
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   Thomas Edison in popular culture

   Edison's Conquest of Mars by Garrett P. Serviss (1898) is an unofficial sequel to The War of the Worlds in which Edison finds and reverse engineers Martian technology. ... In the cartoon series Clone High, Thomas Edison is shown as a short, sniveling nerd who seems to spend most of his time working with A.V equipment (a reference to the fact that Edison invented the projector).
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   History of erotic depictions

   The technology was immediately employed to reproduce nude portraits. ... William Kennedy Dickson, while working for Thomas Edison, invented the first practical celluloid film and worked on making the kinetoscope, a peep show machine showing a continuous loop of the film Dickson invented lit by an Edison light source.
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   George Westinghouse

   In 1878 Edison invented an improved incandescent light bulb, and realized the need for an electrical distribution system to provide power for lighting. ... The same basic meter technology is still used today.
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   Edisonian approach

   Edison invented by repeatedly trying devices in more complex environments to progressively approximate their final use conditions. ... Science, Technology and Human Values 15 (2):131-164.
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   Technological and industrial history of the United States

   In 1883, a Serbian immigrant, Nikola Tesla, a protégé of Edison's, invented an electric motor which greatly simplified electric motors and licensed the invention to the Westinghouse Corporation. ... History of technology
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   Information science

   Alexander Graham Bell and Thomas Edison invented the phonograph and telephone in 1876 and 1877 respectively, and the American Library Association was founded in Philadelphia. ... Encyclopedia of Information Science and Technology.
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   Dictation machine

   Shortly after Thomas Edison invented the phonograph, the first device for recording sound, in 1877, he thought that the main use for the new device would be for recording speech in business settings. ... Despite the advances in technology, analog media are still widely used in dictation recording for their flexibility, permanence, and robustness.
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    Backmasking

    In 1877 Thomas Edison invented the phonograph, a device that allowed sound to be recorded and reproduced on a rotating cylinder with a stylus (or "needle") attached to a diaphragm mounted at the narrow end of a horn. ... Music And Technology.

Explore the following pages on Powerset:

• Thomas Edison,
• Format war,
• Thomas Edison in popular culture,
• History of erotic depictions,
• George Westinghouse,
• Edisonian approach,
• Technological and industrial history of the United States,
• Information science,
• Dictation machine,
• Backmasking