Communication
By: Janice Parker.
Series: Science Q/A
Publisher: Weigl Publishers
Published: 2010
Place of publication: New York
Language: eng
ISBN-13: 9781605960661; 9781605960678
Subjects: Telecommunication -- Miscellanea -- Juvenile literature
Genres: Miscellanea; Juvenile literature
Notes: Includes index.
Table of contents: title: What is communication?; title: How did printing improve communication?; title: How did airplanes change the mail system?; title: What is a telegraph?; title: How does a telephone work?; title: What is fiber optics?; title: How do fax machines work?; title: What are electromagnetic waves?; title: What is radio?; title: What is two-way radio?; title: How do cellular telephones work?; title: How have satellites improved communication around the world?; title: How does television work?; title: What are cable television and satellite television?; title: What is noise pollution?; title: How are sounds and pictures digitized?; title: How do computers talk to one another?; title: What is the internet?; title: How is the world wide web different from the internet?; title: What is electronic mail?; title: Communication careers; title: Young scientists at work; title: Take a science survey; title: Fast facts.