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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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Is an antimatter bomb feasible?
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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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Saturn 5 top end in outer space
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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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Worlds that could not exist
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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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2019 Goes Differently.... How?
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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 The Hidden Jedi Order on Earth
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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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Gravity in a Swiss Cheese ball
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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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How long does something exist at relativistic speeds?
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Super volcanoes and asteroid/comet impacts
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How to Reach a 8.6 Lightyear Star in 60 Years?
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What do you think of this FTL/time travel engine?
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Moving in a 2g gravitational environment
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Sci-fi author needs advice on building a multi-layered city
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Explore a Peculiar Hollow Earth World: Gravity Possibilities
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Relativistic speeds - what do astronauts actually see?
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What would a wormhole look like from the inside?
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Plausibility of this meteor habitat?
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Superman Protagonist: Skinsuit Capability Up to 4,000mph
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Writing: Input Wanted World destroying solar storm/binary orbit
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Writing: Input Wanted Black holes here, white holes "on the other side"....
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Writing: Input Wanted Duration: flights to L-4 point, and 90 degrees Earth orbit
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Small & Lightweight High Voltage Power Sources: Ideas?
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Writing: Input Wanted Lunar Orbital Rings: Calculating Height and Rotation for Earth-like Gravity
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Slightly More Plausible Barriers Than Force Fields
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Calculations for a theoretical planet + a little biology
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Writing: Input Wanted What is the fastest route to Earth 180
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What would you see from inside tubular ringworld?
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Time Dilation in a Sci-Fi Novel
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Is the Circular to Elliptical Orbit Calculator Accurate?
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Writing: Input Wanted Scientific use of Chi/Qi/not so espiritual energy
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Can docking ships help regulate rotation in a spinning space habitat?
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Time Snap: Can Physics Make It Sci-Fi?
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Writing: Input Wanted Submerged Structures in an Ocean World
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Writing: Input Wanted Would humanoid strength be comparable to elephant strength?
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Exploring Time Travel Possibilities in YA Fiction
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Need help crafting a cataclysm (for SF novel)
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Writing: Input Wanted What Makes Great Lakes Earth So Geographically Unique?
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Design Alien Skeleton w/ Copper, Calcium & Element: Tip?
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Build a 1 Million Tonne Cargo Net: Tech & Materials Needed
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Questions: Spherical habitat
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Can gravity from other galaxies affect Earth, and how?
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How do the Mobius and Klein models illuminate string theory?
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Quantum Locking and the Earth's Magnetic Field
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Exploring the Personification of Universal Laws in Physics Science Fiction
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Writing: Input Wanted Alternative energy sources? How about photons?
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Reality check on SF action scenes
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Sci-Fi World Building

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Writers, get ideas and advice for your stories from sci-fi fans and science professionals.

Find out how to bring in real science to your story for realism and credibility.

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