Quote:
Originally Posted by serialk11r
Nope, electricity travels at a high fraction of c through copper, but I believe inductance of the wire itself limits bandwidth which is why fiber optics are preferred. Latency reduction comes from reducing the distance the signal has to travel through, since the speed of light through air is close enough to the speed of light in vacuum.
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Ah yes, my Google source failed. A follow up search said copper is 95% of C. Fiberoptic is worse, at 69% C.