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lucb1e 8 months ago

Huh? Maybe I'm completely misreading the question, but when they say fiber-optic cable, they do mean optic. It's not an "electrical cable"; there is no metal needed in optic communication cables (perhaps for stiffness or whatnot, but not for the communication)

Hikikomori 8 months ago | parent [-]

>The speed of voltage propagation in copper is 224,844 kilometres per second.

This part?

lucb1e 8 months ago | parent [-]

What about it?

Hikikomori 8 months ago | parent [-]

They're separate statements, one about speed in fiber and the other about speed in copper?