Sci-Fi Writing and World Building Forum

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.

Threads

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9

(How) would we detect a passing-by relativistic object?

  • xpell
  • · Replies 12 ·
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12

Decelerating warp drives: How to detect them?

  • Smattering
  • · Replies 3 ·
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3

Boron-nitrogen life with ammonia solvent: abundance and environment

  • KristijanT
  • · Replies 72 ·
3
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72

Stratified gravitational constant system for Star Trek fanfiction

  • Ryuu
  • · Replies 3 ·
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3

FTL, avoiding time travel issues?

  • justsomeguy
  • · Replies 25 ·
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25
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5

The correct usage of self driving cars in SF

  • Czcibor
  • · Replies 66 ·
3
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66

Equations for time machine with parallel universe transmission

  • Vitaly Verlov
  • · Replies 16 ·
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16

The Darth Vader/Dr. Doom Builder Book List

  • Khatti
  • · Replies 53 ·
2
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53
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9

How can the lift produced by animal wings be calculated?

  • Necronox
  • · Replies 42 ·
2
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42

Anthropomorfic Fundamental Forces

  • BalcaenDimitri
  • · Replies 12 ·
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12

What is the role of realistic physics in military science fiction writing?

  • Kyuuketsuki
  • · Replies 20 ·
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20

Parallel computing, AIs and the cloud

  • Czcibor
  • · Replies 25 ·
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25

Radioactive Decay: Alien Element Unstable Isotope

  • Ogi
  • · Replies 4 ·
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4

Megaengineering time machines for advanced civilizations

  • Artribution
  • · Replies 15 ·
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15

Planet with mass imbalance oscillating near tidal lock

  • DET
  • · Replies 34 ·
2
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34

Time-travel company brings back the deceased for 24 hours

  • skujesco2014
  • · Replies 18 ·
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18
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4

Consequences of denser atmosphere on Earth-like planet

  • Czcibor
  • · Replies 23 ·
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23

Looking for assistance on writing project

  • UKDisasters
  • · Replies 5 ·
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5

Properties of X Element for Sci-Fi Story Writing

  • Ogi
  • · Replies 9 ·
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9

Stealthy Orbital Re-Entry for Combined Arms Warfare

  • johnandersoni
  • · Replies 40 ·
2
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40

Ship to ship combat with an unknown invader

  • novaprime
  • · Replies 9 ·
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9

Sweet Spots in Gravity Wells for the purposes of fiction

  • Grarr McGrarr
  • · Replies 11 ·
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11

Transmission rate of grey goo across the universe

  • newjerseyrunner
  • · Replies 31 ·
2
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31

Underground biosphere, what can be the possibilities?

  • GTOM
  • · Replies 30 ·
2
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30

What animals are good example of natural enemy in PA setting

  • Graw
  • · Replies 12 ·
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12
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56

Genesis Drive physics and lunar colony placement for sci-fi world

  • Durakken
  • · Replies 7 ·
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7

Future time measurement units for a tidal locked exoplanet

  • Czcibor
  • · Replies 12 ·
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12

How long would it take to travel to Eris?

  • Karl Coryat
  • · Replies 13 ·
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13
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5

Proton-proton fusion engine for 40-year Alpha Centauri voyage

  • DHF
  • · Replies 35 ·
2
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35

Speed of 72 kg person falling 287 meters

  • Neil B
  • · Replies 14 ·
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14

A realistic mine turned in to an underground city

  • Czcibor
  • · Replies 9 ·
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9

Shadows on an icy moon in a binary star system

  • Ogi
  • · Replies 18 ·
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18

Making a murder weapon from frozen blood for a crime story

  • Sciolet
  • · Replies 8 ·
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8

What is good time for Earth to begin new evolutionary cycle?

  • Graw
  • · Replies 115 ·
4
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115

Total security communication system

  • Czcibor
  • · Replies 4 ·
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4

How would Earth look like without life in 1000 years?

  • Graw
  • · Replies 2 ·
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2

Need assistance with orbital dynamics questions

  • Kkelloww
  • · Replies 11 ·
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11

The longevity of man-made objects and structures

  • leroyjenkens
  • · Replies 17 ·
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17

What could you tell me about this planet?

  • cbrons
  • · Replies 8 ·
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8

Properties of a fictional super element/metal

  • cbrons
  • · Replies 7 ·
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7

Using a time gradient region in a sci-fi novel

  • Zmunk
  • · Replies 6 ·
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6

Can closed wing aircraft take off as hydrofoil

  • Czcibor
  • · Replies 4 ·
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4

Speed, acceleration, distance, time question

  • texasman1979
  • · Replies 48 ·
2
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48

Is this idea remotely possible in the distant future?

  • Zeedr
  • · Replies 7 ·
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7

Logistics of Lasers as Weapons in SF

  • Hello_Jack
  • · Replies 14 ·
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14

How to change the earth's atmosphere to chlorine based?

  • scifiwriter88
  • · Replies 20 ·
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20

World-building for fantasy story

  • UKDisasters
  • · Replies 41 ·
2
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41

Planet w/ various atmospheres/colors/suns?

  • petey0707
  • · Replies 8 ·
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8

Feasibility of hiding a colony within NGC 6543.

  • krsnik
  • · Replies 4 ·
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4

How can we protect against laser weapons in future warfare?

  • Khashishi
  • · Replies 20 ·
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20

Could energy shields like those in Star Wars novels be real?

  • dontbearrogant
  • · Replies 44 ·
2
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44

Could Genetics Enable a World Where Only Women Reproduce?

  • jk22
  • · Replies 4 ·
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4

What tools and industries are hardest to rebuild on a new colony?

  • jimmylegss
  • · Replies 30 ·
2
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30

Habitable zone for binary star systems

  • dbaezner
  • · Replies 10 ·
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10

Fictional physics for consistent sci-fi worldbuilding

  • Jeff Rosenbury
  • · Replies 6 ·
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6

Complex Genetics: 15 Possible Alleles for Height Priority

  • caters
  • · Replies 2 ·
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2

Weak points of a hollowed asteroid superweapon with mining shafts

  • GTOM
  • · Replies 14 ·
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14

Breaking through Kain, the legacy of Kain vampire

  • Physics quest
  • · Replies 4 ·
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4

Ground effect for blended wing body turboprop planes

  • Czcibor
  • · Replies 17 ·
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17

Best planetary composition for flight

  • slarty
  • · Replies 23 ·
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23

The Aesthetics of impossible or unreal physical phenomena

  • Riccardo Lardi
  • · Replies 1 ·
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1

Telescope probes and warp track

  • Durakken
  • · Replies 21 ·
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21

How to quickly survey an exoplanet before colonization?

  • Czcibor
  • · Replies 92 ·
4
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92

Creating a character with a PhD in theoretical physics by age 24

  • Durakken
  • · Replies 13 ·
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13

Can Magnetic Beams Enable Faster Space Travel?

  • caesartherome
  • · Replies 27 ·
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27

Physics-Friendly Super-Speedster

  • The Great Hippo
  • · Replies 3 ·
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3

Can Aliens Perceive Time as a Dimension?

  • hatfair
  • · Replies 4 ·
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4

Writing fiction, steam power, hydrogen internal combustion engine

  • lesah
  • · Replies 10 ·
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10

I want to pour a Sol sized bucked of water on the sun

  • evictor480
  • · Replies 7 ·
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7

Overpowered technology and Murphy's law

  • BluePepper
  • · Replies 7 ·
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7

Advice needed about rocket performances

  • Dr Wu
  • · Replies 31 ·
2
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31

Killing Earth with a cosmic flashlight

  • AmoebaMan
  • · Replies 4 ·
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4

Designing a Fantasy World - physics advice needed

  • CordaHed
  • · Replies 22 ·
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22

Dense exoplanet atmosphere, choice zeppelin vs. plane

  • Czcibor
  • · Replies 23 ·
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23

Girl Hit Wall with 110 lbs Force After "Falling" Sideways

  • Jenifer
  • · Replies 10 ·
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10

Designing a breathable liquid atmosphere for a sci-fi world

  • Duckwagon
  • · Replies 1 ·
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1

Could You Avoid Objects Traveling at Near Speed of Light?

  • bballwaterboy
  • · Replies 11 ·
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11
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2

Planet with dense neon atmosphere and streams of CO2

  • Czcibor
  • · Replies 17 ·
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17

Can an exomoon stay permanently in the shadow of a gas giant?

  • thursdaypostal
  • · Replies 2 ·
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2

Split someone into Subatomic Particles?

  • Mynameiscommon
  • · Replies 17 ·
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17

Can a Dragon Direct Lightning If It Can't Create an Opposite Charge?

  • RJ Ashby
  • · Replies 4 ·
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4

Does a Jerrycan Full of Oil Float or Sink?

  • Pidah Kloos
  • · Replies 14 ·
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14

Magnetosphere and space dust problems

  • AotrsCommander
  • · Replies 13 ·
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13

Hard SF spacecraft designs: cargo ship, battleship, and fighter

  • GTOM
  • · Replies 30 ·
2
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30

Laser-sail interstellar travel with 1g acceleration to Epsilon Indi

  • Chinspinner
  • · Replies 10 ·
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10

Gravitational assist through a binary neutron star system

  • Iulian Ionescu
  • · Replies 6 ·
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6

How to get really deep depresion on an exoplanet?

  • Czcibor
  • · Replies 9 ·
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9

Would a floating ocean in Earth's sky crush someone entering it from below?

  • Bruno Carbone
  • · Replies 7 ·
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7

Brand New Elements in the Same Old Universe

  • Khatti
  • · Replies 27 ·
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27

Properties of a supernatural element?

  • cbrons
  • · Replies 20 ·
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20

A Space Ship with 3 main power sources

  • Tony Montana
  • · Replies 17 ·
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17

Physically plausible explanation for artificial supernova

  • Prospero1
  • · Replies 13 ·
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13

Theoretically, how much energy would it take for a wormhole

  • The Un-Observer
  • · Replies 8 ·
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8