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How Have Mobile Phone Batteries Changed?: I Wonder... Technology and Innovation Series.
How Have Mobile Phone Batteries Changed?: I Wonder... Technology and Innovation Series.
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The first cell phone needed to charge for 10 hours. Once charged, the battery only lasted for 30 minutes. The first mobile phone had an antenna on top which allowed the phone to connect to a radio signal.
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Authors
Learning Mole
McIntyre Media Inc.
Subjects
Closed captioning.
Communication.
Knowledge management.
Domestication of technology.
Industrial arts.
Language
English
Series
I Wonder... Technology and Innovation Series