How cell phones work

Name: How cell phones work
Uploaded: 2010-01-19T00:07:25+00:00
Channel: Brain Stuff
Description: Today's cell phones are amazingly compact, complex devices that provide a wide array of services. Discover the origins of these technological wonders, and the technology that makes them work, in this episode of BrainStuff.

16y ago

16 years ago

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Brain Stuff

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howstuffworks
cell phones
cell phone towers
walkie talkies
radio frequencies

Today's cell phones are amazingly compact, complex devices that provide a wide array of services. Discover the origins of these technological wonders, and the technology that makes them work, in this episode of BrainStuff.

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