This book introduces the history of the invention of radios, including its roots in the telegraph and the telephone, the contributions of Michael Faraday, Joseph Henry, James Clerk Maxwell, Heinrich Hertz, Nikola Tesla, Guglielmo Marconi, and Reginald A. Fessenden, as well as Morse code, induction theory, electromagnetic waves, the first transatlantic radio transmission, the first spoken radio messages, and radio communication with astronauts in space...
Format:Library Binding
Language:English
ISBN:1604530871
ISBN13:9781604530872
Release Date:January 2008
Publisher:Checkerboard Library
Length:32 Pages
Weight:0.55 lbs.
Dimensions:0.3" x 8.0" x 8.0"
Age Range:8 to 11 years
Grade Range:Grades 3 to 6
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