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

Generation ships v. hibernation ships?

  • Noisy Rhysling
  • · Replies 30 ·
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30

Writing: Input Wanted How to Get Heart Specific EKG for My Kepler Bb Humanoids

  • caters
  • · Replies 2 ·
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2

What essential equipment would castaways need on Endor?

  • Noisy Rhysling
  • · Replies 6 ·
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6

How do we equip our pioneers on new worlds?

  • Noisy Rhysling
  • · Replies 11 ·
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11

Gravity vs Light: What's the Turning Tide of Battle?

  • BalcaenDimitri
  • · Replies 3 ·
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Why did the FTL Drive fail and strand the aliens?

  • Claude DeBris
  • · Replies 5 ·
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5

Physically plausible explanation for missile based space combat?

  • GTOM
  • · Replies 102 ·
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102

Designing a world based of the four Greek elements

  • Djambo Hayward
  • · Replies 3 ·
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3

Big bang inside a wormhole time machine and its gravitational effects

  • AlgoJerViA
  • · Replies 2 ·
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2

Strangest hypothetical objects in space?

  • Nerophysics
  • · Replies 27 ·
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27

Methods of leaving Earth in the distant future

  • leroyjenkens
  • · Replies 12 ·
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12

What would traveling through a supermassive black hole feel like?

  • Nerophysics
  • · Replies 9 ·
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9

What happens if you sail through gravity waves?

  • Nerophysics
  • · Replies 10 ·
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10

Do Mars' Lagrange Points Exist Near Phobos and Deimos?

  • Dr Wu
  • · Replies 6 ·
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6

Objections to Previous Time Traveler's Conventions Needed

  • whitsona
  • · Replies 9 ·
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9

Drawing dark energy from space as a power source

  • dbaezner
  • · Replies 7 ·
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7

How to Calculate Peak Speed and Time Dilation for a Relativistic Spacecraft?

  • MelissaBlaze
  • · Replies 2 ·
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2

Writing: Input Wanted Spacecraft One Alpha 10: energy systems, materials and defenses

  • Clever Penguin
  • · Replies 2 ·
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2

Detecting spacecraft at distances of dozens of AU using radar

  • Dr Wu
  • · Replies 33 ·
2
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33
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11

Writing: Input Wanted What methods would biologists use to find an immortality gene?

  • Clever Penguin
  • · Replies 5 ·
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5

Writing: Input Wanted The temperature at which flesh burns

  • striogi
  • · Replies 14 ·
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14

Writing: Input Wanted What would it take to crawl out of a black hole?

  • MichaelLujan
  • · Replies 17 ·
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17

What's kind of damage could this weapon do?

  • newjerseyrunner
  • · Replies 1 ·
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1

What would you see traveling faster than light?

  • newjerseyrunner
  • · Replies 10 ·
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10

Time dilation/difference between 2 planets

  • KiltedNinja
  • · Replies 12 ·
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12

Would an Earth with two moons the size of Luna work?

  • Noisy Rhysling
  • · Replies 6 ·
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6

The visuals of a kinetic bombardment

  • Sugarteeth
  • · Replies 4 ·
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4

The Internal Consistency of Collapsing Realities

  • CuriousMeow
  • · Replies 2 ·
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2

Doing a project, need some insight to some physics things

  • Jiku Araiguma
  • · Replies 35 ·
2
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35

What would a 500-year-old abandoned city on the coast look like?

  • Liam A
  • · Replies 5 ·
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5

Writing: Input Wanted Kepler Db & D#: Binary Planets & Moons

  • caters
  • · Replies 2 ·
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2

Writing: Input Wanted Feasibility check for double planet system

  • AotrsCommander
  • · Replies 7 ·
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7

Writing: Input Wanted Generation ship protocols: reproduction, training, and alien oversight

  • caters
  • · Replies 4 ·
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4

Accuracy of a stellar collision event

  • newjerseyrunner
  • · Replies 9 ·
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9

How long would it take to inhabit the universe?

  • Jonathynblythe
  • · Replies 4 ·
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4

How would tachyons and exotic matter make the Alcubierre drive work?

  • Travis Fleming
  • · Replies 6 ·
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6

What background would a time machine inventor need?

  • calikazam
  • · Replies 8 ·
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8

Unconventional Strategies for Defeating a Robotic Army in Urban Warfare

  • GTOM
  • · Replies 136 ·
5
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136

A rational design for a personnel airlock

  • Noisy Rhysling
  • · Replies 3 ·
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3

What are good time travel theories to use for Science Fiction?

  • scy
  • · Replies 10 ·
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10

Writing: Input Wanted Designing drone army defence for a loosely populated planet

  • Czcibor
  • · Replies 84 ·
3
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84

Radio and other electronic signals in space?

  • striogi
  • · Replies 15 ·
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15

Writing: Input Wanted Designing a space ship and with the dust shield

  • DHF
  • · Replies 34 ·
2
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34

Permanent global blackout scenario for sci-fi story set 200 years hence

  • Caitriona
  • · Replies 58 ·
2
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58

Stone age to modern age in less than 10,000 years

  • caters
  • · Replies 18 ·
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18

Universal catastrophe detectable at quantum level for sci-fi plot

  • ddilamarter
  • · Replies 15 ·
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15

Writing: Input Wanted T rex pack with a mysterious egg in their nest

  • caters
  • · Replies 13 ·
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13

Designing a galactic standard time system based on rotation

  • DCR
  • · Replies 14 ·
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14

Short term irradiation nuclear weapon

  • be082
  • · Replies 4 ·
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4

Speculative; map of Lakes region w/ much higher water levels

  • JQP
  • · Replies 1 ·
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1

Fusion of human brain and nanobots, what can be its hardness level?

  • GTOM
  • · Replies 15 ·
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15

Political and High-Tech Thrillers

  • Khatti
  • · Replies 4 ·
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4

Building a habitable world in a binary system like Kepler 47

  • Pquery
  • · Replies 2 ·
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2

Can Free Story Snippets Inspire Your Next Novel?

  • Noisy Rhysling
  • · Replies 1 ·
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1

How would alien life evolve differently on other planets?

  • Rickswan
  • · Replies 15 ·
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15

Is Dwarf Planet Eris Potentially Habitable?

  • Katherine Sherman
  • · Replies 2 ·
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2

Tunnel your money and your checks for free?

  • Eidetiken
  • · Replies 10 ·
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10

Metallic archaea uranium enrichment feasibility in Metal Gear Solid V

  • Adraasa Kynuei
  • · Replies 1 ·
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1

Writing: Input Wanted How should humanoids prepare to morph into large animals?

  • caters
  • · Replies 1 ·
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1

Realistic Space Pirates in Hard SF

  • GTOM
  • · Replies 90 ·
4
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90

Writing: Input Wanted Would communal nursing work for humanoids with multiple births?

  • caters
  • · Replies 2 ·
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2

An acceleration and distance question

  • Gardenman
  • · Replies 6 ·
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6

Biological life as hard as iron?

  • Kepler20f
  • · Replies 13 ·
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13

Advanced devices made with no knowledge

  • Martin0001
  • · Replies 31 ·
2
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31
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16

Writing: Input Wanted Nuclear Plants -- In the event of a 50% population collapse

  • G.K. Masterson
  • · Replies 7 ·
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7

Magic system based on manipulating the four fundamental forces

  • nx74205
  • · Replies 2 ·
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2

Can You Measure Electricity Without Probes?

  • 3301
  • · Replies 5 ·
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5

What are the hazards of a non-rotating planet?

  • BilboBombadillo
  • · Replies 10 ·
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10

Hard SF tactics for defending a planetary colony from orbital assault

  • GTOM
  • · Replies 60 ·
3
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60

Symbol representing a singularity for sci-fi writing

  • Mark Childerley
  • · Replies 15 ·
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15

Mining gold and platinum in space by 2100

  • Kilo Vectors
  • · Replies 3 ·
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3

Can entangled particles send information back in time via gravitational waves?

  • Slakjak1215
  • · Replies 1 ·
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1

What are the dangers and jobs of living in the asteroid belt?

  • GTOM
  • · Replies 15 ·
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15

Writing a story with branching timelines from every decision

  • daniel valern
  • · Replies 5 ·
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5

Are Fictional Eclipses Limited by Scientific Cycles?

  • Lapsangtea
  • · Replies 4 ·
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4

Fictional star and planet system

  • Suprihen
  • · Replies 10 ·
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10

Fiction hypothetical about axial rotations

  • Lapsangtea
  • · Replies 3 ·
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3

How would evolution differ if Earth's axis had no tilt?

  • Dan Allred
  • · Replies 8 ·
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8

Girl Born with 'Divine Genes' in 2033 Begins Last Month of Fifth Grade

  • Jenab2
  • · Replies 4 ·
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4

Story where a scientist definitively proves there is no god

  • Khatti
  • · Replies 52 ·
2
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52

Using atomic weight ratios for alien communication

  • Dave Barak
  • · Replies 10 ·
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10

Time Manipulation/Stopping Time Question

  • heatengine516
  • · Replies 25 ·
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25

Can Earth be thrown into space at escape velocity?

  • vin300
  • · Replies 8 ·
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8

What is the Best Choice for Evacuating a Civilization on Kepler Bb?

  • caters
  • · Replies 3 ·
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3

Is Kepler Bb's Unique Solar System the Most Complex in the Universe?

  • caters
  • · Replies 8 ·
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8

How would dragon-like humanoids evolve and develop on Kepler Bb?

  • caters
  • · Replies 4 ·
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4

Can Earthquakes Create New Volcanoes?

  • caters
  • · Replies 1 ·
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1

How would deeper oceans affect global climate and currents?

  • JohnWDailey
  • · Replies 19 ·
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19

How do closed timelike curves enable time travel in general relativity?

  • novella
  • · Replies 4 ·
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4

Bigger Planet, Same Gravity -- Different Density?

  • scifiwriter888
  • · Replies 6 ·
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6

Future Professions: What Will We Do in the Automated Economy?

  • GTOM
  • · Replies 2 ·
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2

Altering the Milankovitch Cycles

  • JohnWDailey
  • · Replies 8 ·
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8

FTL Communication in an Interstellar Civilization

  • greswd
  • · Replies 18 ·
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18

Asteroidal Bombardment in Space Warfare

  • schonovic
  • · Replies 4 ·
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4

Tachyons, the Double Slit Experiment, and a bit of Fiction

  • StephenCutter
  • · Replies 4 ·
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4

Realistic demon physiology and weapons against them

  • Rickswan
  • · Replies 2 ·
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2

The Physics of dragon flight possible

  • Silvershade
  • · Replies 11 ·
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11