Duke, Shirley Smith, <br/><br/>
Information waves /Shirley Duke. 

 - [Enhancedition. Credo edition. 
 - [Vero Beach, Florida] :  Rourke Pub Group,  (c)2016. Boston, Massachusetts :  Credo Reference,  (c)2018. 
 - 1 online resource (13 entries) :  65 images 
<br/><br/>Includes bibliographies and index. 
<br/><br/>Before and after reading activities: level: Y --  Early communication --  What are waves? --  Electromagnetic radiation --  Technology and communication --  Modern communication --  Timeline --  Glossary --  Show what you know --  Websites to visit --  About the author. 
<br/><br/> Explores the science behind modern technology: TV, radio, Internet, cell phones/mobile devices, Earth to space communication, satellites, and GPS. Expands students' understanding of light and sound as mechanisms of energy transfer and transfer of information between objects that are not in contact. Covers scientists and discoveries that led to modern technology. 
<br/><br/>
<br/><br/><label>ISBN: </label>9781786848970 9781681914725 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Juvenile literature.<br/>Electromagnetic waves--Juvenile literature.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic Books.
<br/><br/><label>LC Class. No.: </label>TK5102  / .I546 2018