How Do Cell Phones Work?

ISBN-13: 9781604134759 / Angielski / Twarda / 2009 / 32 str.

Richard Hantula Science and Curriculum Consultant Debra Vo; Richard Hantula

Opis

Cell phones have changed the way people live, work, and communicate with each other. Since the first handheld phone was created in 1973, cell phones have only increased in popularity. This title delves into the science behind cell phones and the reasons for their popularity, from their portability to unique features, with full-color photographs.