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.
Can Flying Ships Defy Inertia and Make Instant 90-Degree Turns?
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Tethered aircraft lifting power, low gee world
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SF code cracking vs real mathematics
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Is it possible to move a black hole?
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Writing: Input Wanted Building a Sci-Fi Fantasy Solar System & Planet
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Causing periodic storm events on a fictional planet
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Projection Maps for Alien World Navigation
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Gravitational wave source triangulation
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My inspirational epic -- Enjoy, correct and criticize to your heart's content
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Weak Force Weapon Effects on Wall Elements
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RF shielding to keep signals inside
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Can Humans Metabolize Alien Life Forms on a Colonized Ocean World?
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Writing: Input Wanted What are the Consequences of a Longer PETM?
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All-Sky Catalogue: Exploring Stars & Planets in 22nd Century
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Is Venus the key to economic success in our solar system?
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Can Tiny Planetoids with High Density Retain an Argon-Oxygen Atmosphere?
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Closing the writing loop, with thanks
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How Do HEU and LEU Reactors Differ in Performance and Cost?
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How the mass of a planet affects the evolution of life on that planet
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Effect of time dilation on a satellite
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Would a portable railgun make a lot of noise?
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How would you adapt the laws of physics for two dimensions of time?
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D&D scifi, thoughts on the evolution of tech & animals
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Radioactivity-Warmed "Rogue" Planet
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Could mushrooms be the key to sustainable living on Mars?
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Can a humanoid alien race have combustible blood?
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Worldbuilding: Is it possible to have a world without sulfur and charcoal?
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A Structure or Material that can withstand a million years on Earth?
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Exploring the Plausibility of SF Energy Shield Alternatives
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How Would Earth Handle Alien Money?
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What Is Logical To Trade Across Interstellar Distances?
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Is there an intermediate material for matter/antimatter?
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Exploring the Potential of Space as Propulsion in SciFi
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Creating Humanoid Alien Sci-Fi: Oxygen Trade-Offs
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What's Worth Fighting For And The Logical Conclusion Of All Conflict
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How Would Universal Responsibility Affect Global Outcomes in 2020?
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Can Science Fiction Inspire Real Astrophysical Discoveries?
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Trouble with fluid thermodynamics and nuclear thermal rockets
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Scifi Starship Energy Harnessed Seems Massive
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How Long Would Scifi Space Travel Really Take?
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Giant Rocket Plume - Nuclear Saltwater Rocket Concept Discussion
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I Think High Casualty Scifi Battles Are Unrealistic
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Starship Hull Shape Analysis: Discuss the Reality of Sci-Fi
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Exploring Efficient Weapons in Sci-Fi Settings
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Can Antimatter Bombs Cause Explosive Destruction?
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Writing: Input Wanted Any food-stuffs good for decades with totally non-metallic packaging?
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What effect would accelerated electrons have in the air?
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Math/Physics Guidance for Sci-Fi Story Plot Element
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Humanoid-Alien Reproduction.... Should It Be Like Us Or Not?
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Best Raw Propellant Sources For A Scifi Spaceship
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Expensive Quality VS Cheap Quantity Space Battles
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Necessary Starship Jobs VS Optional Specialized Jobs
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The Effect Of Biological Immortality On Technology And Society
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How Fast Could a Saturn 5 Rocket Travel in Outer Space with FTL Mechanics?
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Alien Worlds.... Alien Elements?
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How Can Science and Physics Contain Fusion Ignition?
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Fastest Nonmanned Spacecraft Possible?
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What Would A World With Life and Vinegar Oceans Be Like?
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Can Winged Humanoids Realistically Exist on Other Planets?
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How Would The Manifestation Of The Internet Behave?
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Which Scifi Alien Would You Rather Work With If You Had a Choice?
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Technical term for this material structure?
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How Hyperspace Time Variances Could Affect Commerce
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Two-Parter: Stationary Bodies in Space and Orbits
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Can increasing the speed of light lead to more efficient photon rockets?
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Everyone Gets New Abilities Overnight.... What Changes?
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What Fictional Alien Concepts interest You the Most?
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What happens if I speed up an Apollo group asteroid?
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What If Humanity Lost Anger and Sadness for a Year?
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What if the Earth would have spin around itself twice as it's speed?
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What Are the Essential Experiments for Studying a New Planet?
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Can an immune person be the key to finding the cure to a disease?
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Guide to Inferring Colors on Alien Worlds: Star Class, Luminosity, Atmosphere
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How far are we from these milestones/technologies?
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Need a cancer to fit a fictional plot
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Writing: Input Wanted Looking for Insight into an Obscure Type of Military Laser
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Exploring the Possibilities of a Martian Prison Break During a Solar Storm
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Writing: Input Wanted Is Using Jedi in My Sci-Fi Book Title Legal?
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Writing: Input Wanted Questions about Rovers: Get Answers from NASA Scientists
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Writing: Input Wanted SciFi story about making all encryptions obsolete and other dilemmas
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Writing: Input Wanted Blood Moon (Concept): Discovering Ferron & Terrelectra
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Groombridge 34: Summoning Geek Superheroes
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Could an Interstellar Gas Planet Heat its Moon Without Fusion Ignition?
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Powered Personal Armors: Engineering Possibilities
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Nuclear explosions in deep space
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The Great Physicists' Road Trip by Ms. Rachel C. Millison
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How Does Mining Affect the Gravity of a Hollowed-Out Planet?
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Do big ships perform better than smaller vessels in space warfare?
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Short Story Help: Time in a Timeless Space
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Can the Infinity Stones inside the sun control gamma rays and create anomalies?
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Can a human and an ammonia-based alien coexist?
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Could Boarding Action in Space be a Reasonable Strategy for Capturing a Ship?
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High energy laser vs supervelocity missile
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Writing: Input Wanted Ability to influence quantum probability
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Writing: Input Wanted How Close Can Spaceships Safely Approach Black Holes?
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How many rockets would it take....
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The World of Aliens: Seeing Beyond Human Vision
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Writing: Read Only What Does Great Lakes Earth Look Like from Space?
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Writing: Input Wanted Electrified Water: Feasibility and Applications
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Photovoltaics and time near a black hole (as a key story element)
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