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.
Explore the archive
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.
Latest transmissions
New from The Silent Guardian
The newest essays, writing guides, speculative ideas, and science-fiction explorations from the blog.
- The Silent Guardian — Chapter 28, Part 2: The Archon
Read The Silent Guardian by Dylan Callens online: Chapter 28, Part 2, “The Archon.” A serialized time-travel science fiction installment. - Dyson Sphere Temperature: Why Waste Heat Shifts in Infrared
How hot would a Dyson sphere be? Explore how radiator temperature changes infrared wavelength and why a cooler Dyson swarm could be harder to identify. - The Silent Guardian — Chapter 28, Part 1: The Desert TempleRead The Silent Guardian by Dylan Callens online: Chapter 28, Part 1, “The Desert Temple.” A serialized time-travel science fiction installment.
- Time Loop vs Causal Loop: What’s the Difference in Fiction?
Time loop vs causal loop: understand why a repeating day differs from a closed chain of cause and effect, with simple examples and rules for writers. - The Silent Guardian — Chapter 27, Part 2: Deep TimeRead The Silent Guardian by Dylan Callens online: Chapter 27, Part 2, “Deep Time.” A serialized time-travel science fiction installment.
- WISE vs JWST: Which Telescope Can Find Dyson Sphere Clues?
WISE vs JWST for Dyson sphere searches: learn why WISE surveys infrared sources and how Webb’s MIRI can test candidates and investigate false positives. - The Silent Guardian — Chapter 27, Part 1: The Search at MervRead The Silent Guardian by Dylan Callens online: Chapter 27, Part 1, “The Search at Merv.” A serialized time-travel science fiction installment.
- 12 Time Loop Plot Holes to Check Before PublishingFind and fix 12 common time loop plot holes involving reset timing, memory, injuries, clues, character knowledge and escape rules. Includes an edit checklist.
- The Silent Guardian — Chapter 26, Part 3: The Merchant’s WarningRead The Silent Guardian by Dylan Callens online: Chapter 26, Part 3, “The Merchant’s Warning.” A serialized time-travel science fiction installment.
