Science fiction • writing • strange ideas
Stories from the edge of time.
The Silent Guardian is a home for science-fiction readers and writers — original fiction, time-travel thought experiments, writing craft, and one guardian’s mission across centuries.
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The Silent Guardian
A vow of silence. A mission across centuries. Enter the world at the heart of the site and read Book One online.
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For readers who look up — and writers who look inward.
Browse essays, craft notes, speculative science, time-travel puzzles, and fiction from The Silent Guardian.
Sci-Fi & Media
Science-fiction films, books, ideas, and curiosities worth another look.
Writing Craft
Practical notes on storytelling, prose, revision, and the long work of making fiction.
Time Travel & Weird Science
Paradoxes, speculative science, impossible questions, and the ideas that make sci-fi irresistible.
Short Stories
Original fiction and shorter journeys for when you want to disappear into another world.
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New from The Silent Guardian
The newest essays, writing guides, speculative ideas, and science-fiction explorations from the blog.
- Chronology Protection Conjecture: Does Physics Forbid Time Machines?
What is the chronology protection conjecture? Learn why Stephen Hawking proposed that physics may prevent closed timelike curves and time-travel paradoxes. - 25 First Contact Writing Prompts Beyond Alien Invasions
Twenty-five first contact writing prompts for science fiction stories about communication, discovery, culture, and alien minds. - Generation Ship Worldbuilding: 15 Questions Writers Must Answer
Use these 15 generation ship worldbuilding questions to design a believable multigenerational society in space. - The Silent Guardian — Chapter 9, Part 2: Desert Camp
Read The Silent Guardian by Dylan Callens online: Chapter 9, Part 2, “Desert Camp.” A serialized time-travel science fiction installment in The Silent Guardian Series. - Author Newsletter Welcome Sequence: 5 Emails Fiction Writers Need
A five-email author newsletter welcome sequence for fiction writers who want to build reader relationships without constant promotion. - Novikov Self-Consistency Principle Explained for Sci-Fi ReadersA clear guide to the Novikov self-consistency principle, time travel paradoxes, and self-consistent timelines.
- The Silent Guardian — Chapter 9, Part 1: The TalismanAdam follows a strange talisman’s memory into the desert as the mystery surrounding the Phylax deepens in The Silent Guardian, Chapter 9, Part 1.
- 25 Hard Science Fiction Writing Prompts Grounded in Real ScienceTwenty-five hard science fiction writing prompts grounded in physics, biology, astronomy, and engineering constraints.
- Communication Delay in Science Fiction: How Light-Speed Lag Changes StoriesCommunication delay in science fiction is more than a physics detail. Learn how light-speed lag reshapes tension, command, relationships, and plot.
