Sci-Fi Writing and World Building Forum

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Sci-Fi writers, this forum is for you. Free ideas and advice for your stories from sci-fi fans and science professionals. Find out how to bring in real science for your story.
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The Short Story Thread: Post Yours Here
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Rules - Expectations in using the writer's forum
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Sci-Fi Writing Tips: Dos and Don'ts for Plot Construction
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Boost Your Sci-Fi Writing with Atomic Rockets, Forensics Demystified & More!"
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Any plausible non chemical rocket based space launch system on Earth?
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Writing: Input Wanted Limits of detection and interception in space
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Is this the right place for technical review of sci-fi concepts?
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Red Dwarf Star Systems -- Could they support life?
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Writing: Input Wanted Looking for story advice on ancient aquatic reptile breeding grounds
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Writing: Input Wanted How would an Earth-like Planet fair with a Uranus like moon system?
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Should I write a dream sequence?
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Create a human hive mind
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AI Consciousness?
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Photon-Foil FTL Drive theory
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Map of a 4D planet
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Finishing my story
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Mechanical Energy Based Civilization?
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A Physics Forum Member in King Arthur's Court
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AI and the Human Body
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Writing: Input Wanted Effects of Gamma-Ray Burst on Solar System
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World-building done well
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Time Patrol from the year 2500 interacting with many universes
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Can Hard Sci-Fi Incorporate Fantastical Elements Successfully?
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Worm Holes and gravitational microlensing
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How would gravity on another world influence human lifespan?
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Civilization in a Red Dwarf Solar System
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Gasses that can be present on a planet habitable by humans
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4+1D Flight
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Carrying a body up stairs in a plummeting aircraft
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How could a colony of machines/robots affect a planet's atmosphere?
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Staying under Sun for 9 months straight
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Writing: Read Only Programs to help with stellar cartography
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Writing: Read Only Wordlbuilding Detail with Roots in Science
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Can the Halo Drive Balance Energy in Binary Star Systems?
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A four foot diameter black hole destroys our Sun
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Tidally-locked planets flipping around their axes
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Writing: Input Wanted Designing the Nuclear-Fusion Reactor for my Generation Ship
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Compact highly directional medium wave antenna designs?
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Writing: Input Wanted Rock-tumbling in reduced gravity?
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Writing: Input Wanted Coagulating iceteroidal 'fines'
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Writing: Input Wanted How to Handle a Fire Onboard a Generation Ship?
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Writing: Read Only Is Human Virtualization Transforming Alien Warfare?
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Writing: Input Wanted Increasing albedo of dark volcanic plain
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Writing: Input Wanted Number of Androids on Spaceships
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Writing: Input Wanted Sanity check: Alien reproduction
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Writing: Input Wanted "Spacetime Drive" idea for sci-fi series of shorts
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Tracking travel between orbits in a whirlpool
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Science Fiction Media Representations of Exoplanets...
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4 foot diameter black hole comes to rest in Kuiper belt - then what?
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Sound of a hypersonic projectile from a rail gun
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A planet with yearlong solar eclipse
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Writing: Input Wanted Alien chiral chemistry
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Writing: Input Wanted Revisiting the Enzmann Starship Design: A Sixty-Year Perspective
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Writing: Input Wanted A 'failed' Runaway Moist Greenhouse: Need help to model...
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Writing: Input Wanted Metal-rich moonlets / asteroids of lone Brown Dwarf sub-stars?
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Writing: Input Wanted Can a Gamma-Ray Burst Affect Communication Devices?
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What are the different types of knives and swords in a 4D Euclidean universe?
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Real Scientists in Sci-Fi: Balancing Accuracy and Offense
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I am making an alien race and need help with their biology
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Implications of communication through quantum entanglement
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The destructive force of a 1,000kg boulder hurled by a catapult
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Help me come up with shock effect preventing technology (sci-fi book)
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Help my Original comic book become more capable
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Writing: Input Wanted Turning an interstellar ship around before reaching coasting speed?
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  • Poll Poll
Grammatically speaking, which would you consider more correct?
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Help, can't visualize a fantasy worldbuilding mechanic
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Writing: Input Wanted Distance between the star systems Sirius and Alpha Centauri?
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What Are Realistic Mid-Journey Disasters in Interstellar Travel?
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How noticeable is an interstellar spaceship in cruise?
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Is my fictional Solar System stable and realistic?
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Could Cephalopods Be the Dominant Species in Parallel Worlds?
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Using ChatGPT to help story building
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How Do Parallel Timelines Unfold in a Sci-Fi Mystery?
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Oxygenating a 'primordial' atmosphere...
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Awesome story title - now I just need a story
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3D space interface to other dimensions
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What would be the implications of a pseudoscientific 5th fundamental force?
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Could 2-D & 3-D & 4-D atoms interact?
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A 4D HyperEarth: 1000x More Space for Real Estate
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Creating a Habitable Planet with 3 Moons
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How Can a Ship Safely Brake in Space Without Crushing Its Inhabitants?
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Habitable planet at L4/L5 of binary gas giants?
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Saltwater Pool/lightning Scenario for computer game
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My fantasy story idea with photon particles
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Writing: Input Wanted Civilians in Space vs. Professionalism and Military Decorum
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Is there a more elegant way to express eg 14% (Base_10) in Octal?
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Super-critical atmospheres that we could tolerate?
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Help requested on long-term habitable-zone stars
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How Do You Calculate Travel Time Between Orbiting Planets?
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Boron on extrasolar rocky planets?
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How Does Drag Affect Airplane Dynamics in a Four-Dimensional Universe?
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Questions about a habitable second moon
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Writing: Input Wanted Postulating Life on Jupiter's moon Europa
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I fed ChatGPT a bunch of metaphysics and asked for a story proposal
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When writing a third-person limited narrative for an amnesiac, what is...
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Can you watch a gamma-ray burst from the side?
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Physics of Artificial Gravity....
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Exploration of an Artificial Universe: Properties and Behaviors
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Writing: Input Wanted Future weapons that are portable....and destructive
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What is the Theoretical Energy Density of Inflation?
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The Mystery of Hyperdimensional Discus: Why a 4D Discus Won't Fly
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The real 2020 as a 1980s science fiction story?
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Our space ship has lost power, what happens now....
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Did any novels predict the effects of COVID-19?
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