Wormholes and Time Travel: What Physics Actually Allows
Could a wormhole become a time machine? Learn what general relativity permits mathematically, what exotic matter means, and why practical wormholes remain speculative.
50 Time Loop Writing Prompts to Trap Your Characters in Time
Fifty time loop writing prompts for sci-fi, mystery, horror-light, comedy, and character-driven stories about repeating days and recurring events.
Time Travel Worldbuilding: 9 Consequences Writers Forget
Time travel changes more than plot. Explore nine worldbuilding consequences involving law, evidence, money, identity, history, security, and everyday life.
The Silent Guardian — Chapter 10, Part 2: Dahr-khoday
Read The Silent Guardian by Dylan Callens online: Chapter 10, Part 2, “Dahr-khoday.” A serialized time-travel science fiction installment in The Silent Guardian Series.
Book Marketing Without Social Media: A Sustainable Plan for Indie Authors
You can market books without posting every day. Build a sustainable author platform with email, search, reader magnets, partnerships, and evergreen content.
Closed Timelike Curves Explained Without the Math
Closed timelike curves are paths through spacetime that loop into the past. This plain-language guide explains what they are and why physicists study them.
40 Generation Ship Writing Prompts for Deep-Space Stories
Forty generation ship writing prompts for stories about inherited missions, closed ecosystems, deep-space communities, and arrival after centuries in transit.
Post-Scarcity Economy in Sci-Fi: How to Make It Believable
How would a post-scarcity economy actually work in science fiction? Build believable abundance by deciding what remains scarce after material goods become cheap.
The Silent Guardian — Chapter 10, Part 1: Sachu
Read The Silent Guardian by Dylan Callens online: Chapter 10, Part 1, “Sachu.” A serialized time-travel science fiction installment in The Silent Guardian Series.
What Is a Generation Ship? The Sci-Fi Idea Explained
A generation ship is a spacecraft designed for a voyage lasting multiple human generations. Here’s how the concept works and why science fiction keeps returning to it.
