Radios

by Kristin Petrie

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