Sci-Fi Writing and World Building Forum

Post thread
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.
Physics of Artificial Gravity....
  • essenmein
  • · Replies 17 ·
Replies
17
Exploration of an Artificial Universe: Properties and Behaviors
  • aepryus
  • · Replies 16 ·
Replies
16
Writing: Input Wanted Future weapons that are portable....and destructive
  • Melbourne Guy
  • · Replies 8 ·
Replies
8
What is the Theoretical Energy Density of Inflation?
  • chasrob
  • · Replies 7 ·
Replies
7
The Mystery of Hyperdimensional Discus: Why a 4D Discus Won't Fly
  • Hornbein
  • · Replies 9 ·
Replies
9
The real 2020 as a 1980s science fiction story?
  • The Bill
  • · Replies 3 ·
Replies
3
Our space ship has lost power, what happens now....
  • Melbourne Guy
  • · Replies 43 ·
2
Replies
43
Did any novels predict the effects of COVID-19?
  • member 656954
  • · Replies 15 ·
Replies
15
Can Sci-Fi Writers Use Real Science to Enhance Their Stories?
  • happyhacker
  • · Replies 3 ·
Replies
3
Clocks On a Hyperdimensional Planet
  • Hornbein
  • · Replies 3 ·
Replies
3
Motorized Watercraft on a Hyperdimensional Planet
  • Hornbein
  • · Replies 7 ·
Replies
7
Equator of a Planet with Four Spatial Dimensions is a 4D Torus
  • Hornbein
  • · Replies 9 ·
Replies
9
Interplanetary Portals vs Gravity
  • Malapine
  • · Replies 4 ·
Replies
4
How do you measure time on a tide locked planet?
  • AotrsCommander
  • · Replies 87 ·
3
Replies
87
A problem with interstellar travel
  • Wrath_of_sloths
  • · Replies 26 ·
Replies
26
How could you see an image without photons? (imaging systems)
  • Maximum7
  • · Replies 9 ·
Replies
9
Can anyone provide suggestions for a book on prose-writing?
  • Eclair_de_XII
  • · Replies 48 ·
2
Replies
48
Can comets create a microclimate crater on Mars 30km deep with 0.7bars?
  • darkdave3000
  • · Replies 47 ·
2
Replies
47
Protagonist wants to meet his exact clone
  • chasrob
  • · Replies 41 ·
2
Replies
41
The interior design of the central trunk of a ring spaceship
  • Strato Incendus
  • · Replies 30 ·
2
Replies
30
Vanishing Pencil: Math/Physics Mystery from High School Teacher
  • chasrob
  • · Replies 16 ·
Replies
16
Force Field Experiments: Realistic Physics Questions
  • Flannel
  • · Replies 8 ·
Replies
8
At what speed can a person jump in zero g?
  • DaveC426913
  • · Replies 20 ·
Replies
20
Wall thickness of ring habitats for radiation shielding
  • Strato Incendus
  • · Replies 4 ·
Replies
4
Optimizing Atmospheric Entry Speed in Space Games
  • DynV
  • · Replies 9 ·
Replies
9
Sandy Hill Plunge: A Lifted Bronco's Free-Fall
  • Lunden
  • · Replies 20 ·
Replies
20
Why do we need FTL if traveling at the speed of light is instantaneous?
  • keeper blue
  • · Replies 19 ·
Replies
19
Sapient Life Indigenous to a Planet Orbiting a Red Dwarf
  • Lren Zvsm
  • · Replies 13 ·
Replies
13
Ideas for novel I'm writing I would love some insight on a concept
  • KelticKemist1987
  • · Replies 5 ·
Replies
5
Structure of the Galaxy: 6 Questions Confirmed
  • AotrsCommander
  • · Replies 31 ·
2
Replies
31
Number of Decks on a Rotating Habitat
  • Strato Incendus
  • · Replies 9 ·
Replies
9
Writing: Input Wanted Black holes as weapons - easy way to calculate the evaporation blast
  • Melbourne Guy
  • · Replies 10 ·
Replies
10
Writing: Input Wanted A dangerous space mission that requires a lot of helping hands
  • Strato Incendus
  • · Replies 22 ·
Replies
22
Docking spaceships to ring habitats
  • Strato Incendus
  • · Replies 18 ·
Replies
18
Exploring Military SF: Realistic Energy Shields
  • GTOM
  • · Replies 5 ·
Replies
5
If you are moving in a ship at FTL, could a pilot react at FTL?
  • Maximum7
  • · Replies 11 ·
Replies
11
Could Localised Variations in Physics Occur?
  • Write Stuff
  • · Replies 11 ·
Replies
11
Let's build a quantum radio receiver
  • MisterIX
  • · Replies 6 ·
Replies
6
Seeking a nerd well-versed in Cosmology and Dungeons & Dragons
  • DracoMorpheus
  • · Replies 6 ·
Replies
6
Scott Manley's Video: Pulsed Rocket Drives
  • anorlunda
  • · Replies 4 ·
Replies
4
Wood as a precious resource on spaceships
  • Strato Incendus
  • · Replies 17 ·
Replies
17
Too Much Stellar Flux: Fixing a 25-year old Problem
  • AotrsCommander
  • · Replies 9 ·
Replies
9
A mind excercise inside videogames
  • Number_21
  • · Replies 1 ·
Replies
1
Conditions inside a protoplanetary disc
  • Galexy
  • · Replies 4 ·
Replies
4
Aftermath of a collision with an ice giant
  • AllanR
  • · Replies 4 ·
Replies
4
Writing: Input Wanted Generation Ship SFV Exodus: Revised Designs
  • Strato Incendus
  • · Replies 52 ·
2
Replies
52
Writing: Input Wanted Captain's choices on colony ships
  • Strato Incendus
  • · Replies 4 ·
Replies
4
Hiding an orbital colony 'behind' a planet from a flare star
  • Melbourne Guy
  • · Replies 17 ·
Replies
17
Writing: Input Wanted Does this sound like a rip off of Halo?
  • MaxDemonNoir
  • · Replies 1 ·
Replies
1
Theoretical question about a new Energy and implications of using it
  • Mshenko
  • · Replies 49 ·
2
Replies
49
Writing: Input Wanted Are Clone Ships a Better Alternative for Space Colonization?
  • Algr
  • · Replies 30 ·
2
Replies
30
Writing: Input Wanted Building a Generation Ship: The SFV Exodus
  • Strato Incendus
  • · Replies 96 ·
4
Replies
96
Writing: Input Wanted Different Cosmic Disasters for Different Plot Points
  • Strato Incendus
  • · Replies 7 ·
Replies
7
Uncovering a Faked War: Exploring Infowar in 2094
  • anorlunda
  • · Replies 9 ·
Replies
9
Does anyone know of a good, searchable Universe visualizer?
  • Melbourne Guy
  • · Replies 10 ·
Replies
10
Writing: Input Wanted Help needed comparing planetary "calendars"
  • sheepcountme
  • · Replies 10 ·
Replies
10
Is it Appropriate to Include More Than One Prose-Dialogue Pair in Each Block?
  • Eclair_de_XII
  • · Replies 11 ·
Replies
11
Writing: Input Wanted USS Enterprise Hit by Ancient Interstellar Probe - Investigation Report
  • dansmith170
  • · Replies 3 ·
Replies
3
Is Kindle X-ray Worth the Extra Work for Authors and Readers?
  • Melbourne Guy
  • · Replies 22 ·
Replies
22
Is a Self-Building 'Seed' Ship the Future of Space Travel?
  • dansmith170
  • · Replies 21 ·
Replies
21
Good gas to trace lasers in a vacuum
  • Melbourne Guy
  • · Replies 16 ·
Replies
16
Previously suppressed knowledge to control the masses
  • jake jot
  • · Replies 4 ·
Replies
4
Atmospheric pressure inside a protoplanetary disc
  • Galexy
  • · Replies 6 ·
Replies
6
Change Speed of Light: Explaining a Device in Sci-Fi Comedy
  • Trying2Learn
  • · Replies 6 ·
Replies
6
Writing: Input Wanted Best material for heat exchanger on a space ship
  • Melbourne Guy
  • · Replies 8 ·
Replies
8
Scientific-sounding gobbledygook found by trolling PF posts
  • Melbourne Guy
  • · Replies 2 ·
Replies
2
Walking around the ring on a spinning space station
  • AllanR
  • · Replies 19 ·
Replies
19
  • Poll Poll
Writing: Input Wanted Cliffhangers in Fiction: Do Readers Prefer Hard or Soft Endings?
  • Melbourne Guy
  • · Replies 19 ·
Replies
19
What would you do if you thought you'd found a portal?
  • AS-FOR
  • · Replies 27 ·
Replies
27
Maximum safe mass of an asteroid in geostationary orbit
  • caladin
  • · Replies 17 ·
Replies
17
Photon and Neutrino detector and photon trawl device
  • ginov2000
  • · Replies 6 ·
Replies
6
Description of a nuclear EMP event
  • GTOM
  • · Replies 3 ·
Replies
3
High-Tech Knight: Best Equipment for Elite Warriors
  • GTOM
  • · Replies 15 ·
Replies
15
Colors of Alien Blood: Oxygenation Chemistry Explained
  • newjerseyrunner
  • · Replies 11 ·
Replies
11
Traveling to alternate universes
  • diezir
  • · Replies 12 ·
Replies
12
Centaur Mass for Jupiter's 4th Lagrange Point
  • AllanR
  • · Replies 2 ·
Replies
2
Effects of a rapidly developing, unknown nearby civilization
  • newjerseyrunner
  • · Replies 18 ·
Replies
18
How would Dr. Frankenstein solve the tissue rejection problem?
  • Lren Zvsm
  • · Replies 22 ·
Replies
22
What Biomechanical Insights Can Alien Polysaccharides Offer?
  • snorkack
  • · Replies 2 ·
Replies
2
How to get away with killing your great grandfather with time travel
  • MikeandSuch
  • · Replies 16 ·
Replies
16
A PF SciFi story One sentence at a time....
  • Greg Bernhardt
  • · Replies 44 ·
2
Replies
44
Supermassive black hole in the Large Magellanic Cloud?
  • Deleted member 690984
  • · Replies 3 ·
Replies
3
Can any object cause fluctuations in a magnetic field?
  • Deleted member 690984
  • · Replies 10 ·
Replies
10
Orbiting, Relativity and Mind-effects
  • some bloke
  • · Replies 13 ·
Replies
13
Sci-fi writer in need of futuristic Quantum Physics ideas
  • Orenshved
  • · Replies 9 ·
Replies
9
Can a Palladium Foam Parachute Slow Down a Spaceship Traveling at 0.4c?
  • AllanR
  • · Replies 2 ·
Replies
2
Experiments to do in deep space at 40% of c
  • AllanR
  • · Replies 26 ·
Replies
26
Black Holes & Life: Myth or Reality?
  • Adb82
  • · Replies 49 ·
2
Replies
49
Levels of Civilization Based on Deuterium
  • hyperiontorus
  • · Replies 5 ·
Replies
5
Can Simplified Spacetime Analogies Work in Sci-Fi?
  • KBarnes
  • · Replies 1 ·
Replies
1
Writing: Input Wanted How to model Eccentricity, Obliquity and Recession in Excel
  • DnA 9413
  • · Replies 2 ·
Replies
2
Will tissue engineering make humanoid fabrication possible?
  • Lren Zvsm
  • · Replies 6 ·
Replies
6
Writing: Input Wanted What is the concept of 'residual self image' in The Matrix?
  • Cobul
  • · Replies 49 ·
2
Replies
49
Can I Write a Book About the Physics of Batman without Getting Sued?
  • jake jot
  • · Replies 9 ·
Replies
9
Theoretical question about the Sun
  • Mshenko
  • · Replies 16 ·
Replies
16
Writing: Input Wanted How to keep from being overrun with liches
  • cybernetichero
  • · Replies 7 ·
Replies
7
Trying to make a rigorous imaginary world
  • Swastik Majumder
  • · Replies 3 ·
Replies
3
Turning oxygen into fluorine in our atmosphere
  • Epsilon Eridani
  • · Replies 5 ·
Replies
5
Gravity, heat, flooding, and centrifugal force on a tidal-locked planet
  • Mark Everglade
  • · Replies 5 ·
Replies
5
What Are the Possible Connections Between Magnetic Monopoles and Acupoints?
  • jake jot
  • · Replies 16 ·
Replies
16