책 세부 정보
형식
페이퍼백
페이지
32
언어
영어
출판됨
Aug 1, 2008
출판사
Cherry Lake Publishing
ISBN-10
1602792178
ISBN-13
9781602792173
설명
Radio has been commercially available since the late 1800's. But today's radio is has evolved greatly over the last 200 years. What factors drove this evolution? Using a product that kids are familiar with, Radio, this book introduces kids to the concept of innovation and its impact on their everyday life.
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