Comment by AnonC
1 month ago
Light travels at about 0.69c in fiber optic cables (c being the speed of light in vacuum, which, as you stated, is about 300,000 km/s).
1 month ago
Light travels at about 0.69c in fiber optic cables (c being the speed of light in vacuum, which, as you stated, is about 300,000 km/s).
Ah yes I forgot about that. Thanks for the correction.