> My first thought on reading that headline: isn't that single/multimode fiber? Kind of how radio being a wireless telegram system: > You see, wire telegraph

> My first thought on reading that headline: isn't that single/multimode fiber? Kind of how radio being a wireless telegram system: > You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat. * https://quoteinvestigator.com/2012/02/24/telegraph-cat/ https://quoteinvestigator.com/2012/02/24/telegraph-cat/ This time the tail is fibre and not copper, but without the cat tail.