Analysis of information sources in references of the Wikipedia article "Superluminal communication" in English language version.
... so existence of particles v > c ... Called tachyons ... would present relativity with serious ... problems of infinite creation energies and causality paradoxes.
Attack on instersystem ansibles is just...just unthinkable.
Well, in our world there is a way of taking a common lodestone and entangling all its particles, and then splitting it in two so that both parts resonate together.
My aetherschreiber was lost when the Coweta captured us.
The communicator was the kind they mount in planoforming ships right beside the pilot. The rental on one of them was enough to make any planetary government reconsider its annual budget. ... She pressed a button. "Instant message." ... Casher, knowing the prices of this kind of communication, almost felt that he could see the arterial spurt of money go out of Henriada's budget as the machines reached across the galaxy, found Mizzer and came back with the answer.