(Complete Item Description)
- Abstract:
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Communication networks have changed a lot over the years, but many aspects of them are still the same.
- Subject:
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Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
-
Connexions
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No Strings Attached
(Complete Item Description)
- Abstract:
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Competition in Telecommunications provides an introduction to the economics, business strategies, and technology of telecommunications markets, including markets for wireless communications, local and long-distance services, and customer equipment. The convergence of computers, cable TV and telecommunications and the competitive emergence of the Internet are covered in depth. A number of speakers from leading companies in the industry will give course lectures.
- Subject:
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Business,
Social Sciences
- Grade Level:
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Post-secondary
- Collection:
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MIT OpenCourseWare
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Remix and Share
(Complete Item Description)
- Abstract:
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This collection looks at inventors and inventions that changed our lives: the telegraph, photophone, animation, sewing machine, ice cream cone, nuclear fission, flight, and others. It includes Thomas Edison's journals and failed inventions, and Alexander Graham Bell's notebook entry describing the first successful experiment with the telephone (March 10, 1876). George Westinghouse, James Smithson, Benjamin Banneker, and Samuel Morse are among others profiled.
- Subject:
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Humanities,
Science and Technology,
Social Sciences
- Grade Level:
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Primary,
Secondary
- Collection:
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Library of Congress
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Read the Fine Print
(Complete Item Description)
- Abstract:
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Students learn the connections between the science of sound waves and engineering design for sound environments. Through three lessons, students come to better understand sound waves, including how they change with distance, travel through different mediums, and are enhanced or mitigated in designed sound environments. Students are introduced to audio engineers who use their expert scientific knowledge to manipulate sound for the production of music and film. They learn how the invention of the telephone pioneered communications engineering, leading to today's long-range communication industry and its worldwide impact. Students analyze materials for their sound properties used in acoustic design, learning about the varied environments created by acoustical engineers. Hands-on activities include modeling the placement of microphones to create a specific musical image, modeling and analyzing a string telephone, and using what they've learned about sound waves and materials to model a room to serve as a controlled sound environment.
- Subject:
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Mathematics and Statistics,
Science and Technology
- Grade Level:
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Primary
- Collection:
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TeachEngineering
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Read the Fine Print
(Complete Item Description)
- Abstract:
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In this lesson, students are introduced to communications engineers as people who enable long-range communication. In the lesson demonstration, students discuss the tendency of sound to diminish with distance and model this phenomenon using a slinky. Finally, Alexander Graham Bell is introduced as the inventor of the telephone and a pioneer in communications engineering.
- Subject:
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Mathematics and Statistics,
Science and Technology
- Grade Level:
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Primary
- Collection:
-
TeachEngineering
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Read the Fine Print
(Complete Item Description)
- Abstract:
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In this activity, students investigate how sound travels through both string and air. First, they analyze the sound waves with a paper cup attached to a string. Then, they combine the string and cup with a partner to model a string telephone. Finally, they are given a design scenario to redesign the string telephone for distance. They think about their model as it compares a modern telephone and the impact the telephone has had on society.
- Subject:
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Mathematics and Statistics,
Science and Technology
- Grade Level:
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Primary
- Collection:
-
TeachEngineering
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Read the Fine Print
(Complete Item Description)
- Abstract:
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Through this challenge students will come to understand the pertinent role that follow-up plays in the business world.
- Subject:
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Business
- Grade Level:
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Secondary
- Collection:
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Connexions
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No Strings Attached
(Complete Item Description)
- Abstract:
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Applying for a telephone line activation in a telecommunication shop. What type of information do you need? What type of formalities you can expect and, especially, what type of information to ask for regarding invoicing and rates.
- Subject:
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Humanities
- Grade Level:
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Post-secondary
- Collection:
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KlasCement
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Remix and Share
(Complete Item Description)
- Abstract:
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This module briefly introduces computer telephone integration and ts applications.
- Subject:
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Science and Technology
- Grade Level:
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Post-secondary
- Collection:
-
Connexions
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No Strings Attached
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