He said in his shrill harsh voice, “What’s that?”—pointing to the ansible.
“The ansible communicator,sir.”
“It doesn’t involve radio waves, or any form of energy. The principle it works, on the constant of simultaneity, is analogous in some ways to gravity—. . . . What it does, sir, is produce a message at any two points simultaneously. Anywhere. One point has to be fixed, on a planet of a certain mass, but the other end is portable. That’s this end. I’ve set coordinates for the Prime World, Hain. A NAFAL ship takes 67 years to go between Gethen and Hain, but if I write a message on that keyboard it will be received in Hain at the same moment as I write it. Is there any communication you’re care to make with the Stabiles on Hain, sir?”
We’re getting to the point where recognizing yourself in your keyboard is more of an expectation