Summary: 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...

Format: software, multimedia

Publisher / Publication Date: Films Media Group 2009

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