The "Powers" in Vernor Vinges' Universe

Marketing calls our current visitor ‘Old One.’” He smiled. “That’s something of a joke, but true even so. We’ve known it for eleven years.” No one really knew how long Transcendent beings lived, but it was a rare Power that stayed communicative for more than five or ten years. They lost interest, or grew into something different—or really did die. There were a million explanations, thousands that were allegedly from the Powers firsthand. Ravna guessed that the true explanation...

 A Clock Stopped at the Moment Feynman's Wife Died

Sometimes we can actually pin down the explanation of a weird coincidence. A great American scientist called Richard Feynman tragically lost his wife to cancer, and the clock in her room stopped at precisely the moment she died. Goose-pimples! But Dr Feynman was not a great scientist for nothing. He worked out the true explanation. The clock was faulty. If you picked it up and tilted it, it tended to stop. When Mrs Feynman died, the nurse needed to record tl the time for the official death ce...