Thrice Upon a Time
by James P. Hogan · first published 1980
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When Murdoch was summoned to his grandfather's isolated Scottish castle, he had no idea of the old man's latest discovery -- nor where it would lead him. Sir Charles, a genius in far-out physics, had found a flew in the law of conservation of energy; in any process, an incredibly tiny increment of energy escaped -- back through time! Using this "tau" radiation, he could send messages into the past. But Murdoch discovered records of messages he knew he had never sent. Were many futures possible? Could a message from Future X alter the past -- and thus wipe out Future X? But who would be foolis
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A fun read where the "could you still detect" portion turns out to be a very important plot point: Thrice Upon a Time by James P Hogan (https://www.goodreads.com/book/show/849488.Thrice_Upon_a_Tim...)
on “Death Note: L, Anonymity and Eluding Entropy (2017)” ↗Any love for James P. Hogan? * The Two Faces of Tomorrow: https://www.baen.com/the-two-faces-of-tomorrow.html * Thrice Upon a Time is one of the best time-travel novels I've read.
on “Hard comp-fi reading list” ↗> This has probably been considered before in fiction "Thrice Upon a Time" by James P. Hogon, 1980. [1] It plays with interesting implications. In the book, sending a message to the past changed that version of the past. My under standing is temporal communication in our universe…
on “Numerics applied to Casimir geometry generates intersection with Alcubierre warp” ↗James Hogan, Thrice Upon A Time. It's only a communications device, not a transportation device but it does consider the movement. The signal is sent to the same point in space where the machine currently is, the range limit is how…
on “The Utter Failure of Fictional Time Travel” ↗I will throw one in: James P. Hogan's Thrice Upon a Time, from 1980. Micro black holes, terrorizing the minds of sci-fi writers for decades!
on “Gravitational Effects of Small Primordial Black Hole Passing Through Human Body” ↗