Global Communication

Global Communication

Streaming Video - 2009
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This program looks at the highways of optical fibers, copper wires, coaxial cables, and satellites by means of which images, sound, and computer data are transmitted around the world. It also examines telecommunication satellites which-whether they are geostationary or in orbit close to Earth-enable us to put two people on Earth, at sea, or even in the air, in contact. The program concludes with a look at cable distribution systems, which no longer serve only for broadcasting television programs but are being used to consult huge data banks and service bank transactions.


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