Finding:

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   Thomas Edison

   In 1877–1878, Edison invented and developed the carbon microphone used in all telephones along with the Bell receiver until the 1980s. ... Transmission was by means of an overhead catenary system, with the entire project under Edison's guidance.
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   The British Empire in fiction

   The "Space 1889" audio dramas (2005 onwards) are based on the roleplaying game where Thomas Edison invented a means of traveling between planets and the major European powers have each established colonies in space.
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   The Wizard of Evergreen Terrace

   Later when the family has a party to honor him, Lisa mentions that Thomas Edison invented the film projector as well as many other inventions Homer uses.
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   Thomas Edison in popular culture

   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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   Edisonian approach

   Edison did not just invent a light bulb, he invented an economically viable system of lighting including its generators, cables, metering and so on. Edison invented by repeatedly trying devices in more complex environments to progressively approximate their final use conditions.
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   Edison Records

   Thomas A. Edison invented the phonograph, the first device for recording and playing back sound, in 1877.
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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. ... The backwards playing of records was advised as training for magicians by occultist Aleister Crowley, who suggested in his 1913 book Magick (Book 4) that an adept "train himself to think backwards by external means", one of which was to "listen to phonograph records, reversed."
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   George Westinghouse

   Thomas Edison was one of his main rivals due to the fact that they were both very intelligent inventors. ... In 1878 Edison invented an improved incandescent light bulb, and realized the need for an electrical distribution system to provide power for lighting.
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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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    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.

Explore the following pages on Powerset:

• Thomas Edison,
• The British Empire in fiction,
• The Wizard of Evergreen Terrace,
• Thomas Edison in popular culture,
• Edisonian approach,
• Edison Records,
• Backmasking,
• George Westinghouse,
• Format war,
• Dictation machine