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Telecommunications


Telecommunications

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Item Number:
SM V6030
Price:
$19.95
Format:
DVD
     Click for VHS Format   
Length:
13 min.
Copyright:
2002
Closed Caption:
Yes
Producer:
Schlessinger Media
Grade Level:
3 - 6
ISBN:
1417100761
UPC:
753201111739
Summary:
In Telecommunications, a visiting inventor investigating a stream of flying boulders discovers the islanders' primitive communication system and decides to help them upgrade to one that is more efficient and less dangerous. The inventor introduces the telephone -- a device that uses electricity, light and radio waves to transmit sound messages. The islanders discover that fiber-optic systems make communicating over long distances even easier than phone lines. They learn how fax machines work and how cell phones make it possible to talk to anyone almost anywhere in the world! Part of the multivolume The Way Things Work DVD Series, based on the best-selling book by David Macaulay. A teacher's guide is included and available online.

Only available in the US.


Series Name:
    Way Things Work, The



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