How do cell phones work?

How do cell phones work?

بواسطة Richard Hantula
4/5
(1 الأصوات)
شكل
32 الصفحات, Hardcover
نشرت لأول مرة
2009
الناشرون
Chelsea Clubhouse
المواد الدراسيه
Cellular telephones·Juvenile literature
لغة
English

My 11-year old was doing a project on cell phones and needed to write a paper. It was very hard to find anything published that included the history of the technology in addition to the science.

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