eli5 how do radios work ?

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I know that it’s electrowaves but how does it become sound again ? How are there several channels ?

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5 Answers

Anonymous 0 Comments

Think of it like two people holding a rope.

Person A is holding one end of the rope, and Person B is holding the other end. Person A is moving their end up and down, causing a wave in the rope. Person B can feel the rope moving and can tell if Person A is making big waves or making small waves.

They have previously agreed that making a small wave means no, making a medium wave means maybe, and making a large wave means yes

This is like the electromagnetic waves going from antenna to antenna. It’s by no means a perfect example, but it shows the general idea.

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