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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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6
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Small & Lightweight High Voltage Power Sources: Ideas?
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25
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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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How Can Time Dilation Be Achieved Near a Black Hole in Sci-Fi?
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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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Build a 1 Million Tonne Cargo Net: Tech & Materials Needed
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Can a Moon-Sized Spinning Sphere Create Livable Artificial Gravity?
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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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Writing: Input Wanted How can a wormhole be relocated and what would happen to objects near it?
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Writing: Input Wanted Mostly Underground City Stage 1: All on Foot
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Infinite pressure on infinitesimal area?
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What types of illness would be allowed on a generation ship and why?
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Surviving a Solar Storm: The Challenges of Monitoring Earth from Mars
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Elasticity and light speed vibrations
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Technological mastery of fundamental forces
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Martian Independence: Orbital Bombardment Possibilities
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Photons in Fiber Optics V Solar Sails
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Non-mushroom-cloud hydrodynamics
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Writing: Input Wanted Longitudinal Waves: Do Devices Use AM or FM?
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Is it possible to create a quantum bomb?
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Constructing an underground cave
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How Effective is Kinetic Bombardment Compared to Historical Explosions?
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A Question: A novel set in the future
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Question about vacuum powered projectiles
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A theoretical flotation device using a vacuum (for a novel)
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What will the post-technological world look like for humanity?
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Black Hole Mass and Energy Requirements for Sustainable Hawking Radiation
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Writing: Input Wanted Can Humans Birth Technologically Enhanced Offspring Naturally?
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Exploring Nature's Constants: Manipulating Variables in the Lab
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Magnetic Force Applied to An Object @ d (0,n) (Rail gun on Mars)
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Secondary vs Primary source confusion....
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Interstellar Trade: Value, Resources & Unobtanium
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Relativity's role in forbidding FTL Information Transfer
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Climate 300 years after nuclear apocalypse?
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I'm a private spacefarer in the year 2050. What physics do I need to know?
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I am writing a story involving a hypothetical chemical reaction
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Design Alien Skeleton w/ Copper, Calcium & Element: Tip?
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Question about the radiation around Neutron Stars or Pulsars
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How much would a quantum computing network rely on power?
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Writing: Input Wanted Using a "disintegrator" to make square corners?
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  • Poll Poll
Writing: Input Wanted Exploring the Possibilities of Ancient-Themed Planets in Sci-Fi
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Everyday Life in SF: Exploring Realistic Possibilities
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Artificial Gravity Technology: Creating an Implosion Effect
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Most realistic propelling technologies?
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What's the Best Invented Yet? Your Opinion Counts!
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A Question About Time Travel & Aging
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How would you design your art planet?
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Anti-Gravity Logistics: Pinned to Planet or Beyond?
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Wasn't there a thread on making living space out of asteroid
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Need help with gravitational lensing issue
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Can an Anti-Matter Blade Cut Through Anything?
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Information transfer in space - with book research
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Governance of a colony on a new world?
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Predicting Worlds With Lower Gravity
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What could a time machine plausibly look like?
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Imagining Multiple Ringworlds Around a Star - Is it Possible?
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Warping an Average Guy Across Town: Exploring Negative Mass
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Atmospheric Heating from Meteorite Impact
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Writing: Input Wanted What if sea level rose dramatically?
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Writing: Input Wanted Some problem solving -- probe is traveling to Alpha centauri
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Is a FTL Drive with a Preferred Frame Enough to Resolve Temporal Paradoxes?
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"The Menace from Earth" flying sequence
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Exploring the Unknown: The First Inter-Galactic Voyage
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Writing: Input Wanted Superhero powers from manipulation of spacetime & mass
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Exploring Transhumanism Through Sports: Neuralink Experiences
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Returning from Geo-stationery Orbit
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Disintegrator Residue: Effects on Rock & Danger to OH
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Super-Earths around binary dwarf stars
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Need a fact check on the end of the world
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Earth's climate in 100-200 years
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Living on the far side of a tide-locked moon
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Can a Single-Stage Spacecraft Exit Earth's Atmosphere?
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Could an Outsider Understand the Physics of Basketball?
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Could this [fantasy] planet be scientifically possible?
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Figuring out which stars an exoplanet's poles point to
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Industrial revolution before the Iron Age?
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Writing: Input Wanted Design of large rotating asteroid interior space
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How would lower oxygen affect the greenhouse effect?
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