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Writing: Input Wanted Generation Ship SFV Exodus: Revised Designs
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Writing: Input Wanted Captain's choices on colony ships
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Hiding an orbital colony 'behind' a planet from a flare star
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Theoretical question about a new Energy and implications of using it
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Writing: Input Wanted Clone Ship vs. Generation Ship
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Writing: Input Wanted Building a Generation Ship: The SFV Exodus
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Writing: Input Wanted Different Cosmic Disasters for Different Plot Points
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Uncovering a Faked War: Exploring Infowar in 2094
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Does anyone know of a good, searchable Universe visualizer?
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Writing: Input Wanted Help needed comparing planetary "calendars"
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Is it Appropriate to Include More Than One Prose-Dialogue Pair in Each Block?
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Writing: Input Wanted USS Enterprise Hit by Ancient Interstellar Probe - Investigation Report
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Is Kindle X-ray Worth the Extra Work for Authors and Readers?
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Is a Self-Building 'Seed' Ship the Future of Space Travel?
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Good gas to trace lasers in a vacuum
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Previously suppressed knowledge to control the masses
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Atmospheric pressure inside a protoplanetary disc
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Change Speed of Light: Explaining a Device in Sci-Fi Comedy
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Writing: Input Wanted Best material for heat exchanger on a space ship
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Scientific-sounding gobbledygook found by trolling PF posts
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Walking around the ring on a spinning space station
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  • Poll
Writing: Input Wanted Cliffhangers in Fiction: Do Readers Prefer Hard or Soft Endings?
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What would you do if you thought you'd found a portal?
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Maximum safe mass of an asteroid in geostationary orbit
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Photon and Neutrino detector and photon trawl device
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Description of a nuclear EMP event
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High-Tech Knight: Best Equipment for Elite Warriors
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Colors of Alien Blood: Oxygenation Chemistry Explained
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Traveling to alternate universes
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Centaur Mass for Jupiter's 4th Lagrange Point
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Effects of a rapidly developing, unknown nearby civilization
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How would Dr. Frankenstein solve the tissue rejection problem?
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Less and more alien biopolymers
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How to get away with killing your great grandfather with time travel
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A PF SciFi story One sentence at a time....
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Supermassive black hole in the Large Magellanic Cloud?
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Can any object cause fluctuations in a magnetic field?
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Orbiting, Relativity and Mind-effects
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Sci-fi writer in need of futuristic Quantum Physics ideas
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Slowing down my 0.4c spaceship
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Experiments to do in deep space at 40% of c
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Black Holes & Life: Myth or Reality?
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Levels of Civilization Based on Deuterium
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Spacetime for non-scientists
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Writing: Input Wanted How to model Eccentricity, Obliquity and Recession in Excel
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Will tissue engineering make humanoid fabrication possible?
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Writing: Input Wanted What is the concept of 'residual self image' in The Matrix?
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Can I Write a Book About the Physics of Batman without Getting Sued?
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Theoretical question about the Sun
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Writing: Input Wanted How to keep from being overrun with liches
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Trying to make a rigorous imaginary world
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Turning oxygen into fluorine in our atmosphere
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Gravity, heat, flooding, and centrifugal force on a tidal-locked planet
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What Are the Possible Connections Between Magnetic Monopoles and Acupoints?
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Is a play script the right format?
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Stability of Polar Solar Orbits: Can a Planet Change its Host Star?
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How would one publish a non-mathematical theory?
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Could large organisms on a nutrient-poor world be inflatable?
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Closing the writing loop, again with thanks
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Superman-Inspired Skinsuit: Capable of 4,000mph & 500Gees
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Open Titanium Case w/ Steel Pins: Advice Needed
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General Relativity and Inertia
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Tethered aircraft lifting power, low gee world
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  • Poll
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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Writing help - 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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HEU reactors vs. LEU reactors
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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 This Change 2020?
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Special places in the galaxy
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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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