How do cellphones work? - Explain that Stuff
2021-10-16 · W alking and talking, working on the train, always in contact, never out of touch—cellphones have dramatically changed the way we live and work. No one knows exactly how many little plastic handsets there are in the world, but the current estimate is that there over 8.3 billion subscriptions. That's more than the planet's population! In developing countries,
