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.
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.
