system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5:How can a single wire in Coaxial cable carry so much information? Hundreds of channels, internet, and voip service in my case.

The single wire hooks into the cable box and it sees like a thousand different channels; it hooks into the modem and handles all the internet traffic from as many devices as I can attach to my network.
gpt
Superposition.

Basically, waves at different frequencies don't interfere with each other.  You can have one signal at 100khz, another at 110 kHz, on and on down the spectrum until you hit the maximum and minimum frequencies the wire is capable of carrying.