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Science & Spaceflight

A place for all geeky and sciency discussions.

8,466 topics in this forum

  1. Math Problem: Power Track

    By Laie,
    • 11 replies
    • 884 views

  2. The Nuclear Rocket that Could Reach 20% the Speed of Light 1 2

    By caballerodiez,
    • 29 replies
    • 2.3k views

  3. Mercury Transit Tomorrow 11/17

    By cubinator,
    • 10 replies
    • 844 views

  4. Swimming in space... an Alternative to Artificial Gravity?

    By Spacescifi,
    • 14 replies
    • 1.2k views

  5. The Economics of Space Tourism Using Starship

    By Ol’ Musky Boi,
    • 18 replies
    • 1.5k views

  6. RL-10 cost...

    By tater,
    • 4 replies
    • 1.2k views

  7. What Would We Need To Build A Floating Balloon Magnetic Railway?

    By Spacescifi,
    • 9 replies
    • 771 views

  8. Tachyon Rockets... Could They Even Work?

    By Spacescifi,
    • 13 replies
    • 1.3k views

  9. Best Place on Plane for Feeling the Least Turbulence?

    By arkie87,
    • 19 replies
    • 1.3k views

  10. Particle Collider Sizing

    By Bill Phil,
    • 7 replies
    • 699 views

  11. Old math for new problems.

    By steuben,
    • 22 replies
    • 1.5k views

  12. Magnetic Aerodynamic Rocket Assist For The Future... Plausible?

    By Spacescifi,
    • 3 replies
    • 419 views

  13. Sentient VS Likely Non-sentient eyes

    By Spacescifi,
    • 12 replies
    • 1.1k views

  14. A Scifi Artificial Gravity Alternative....

    By Spacescifi,
    • 17 replies
    • 1.1k views

  15. Magnetic Rail Rocket Assist For Starship X

    By Spacescifi,
    • 13 replies
    • 1.4k views

  16. Superhuman Strength With Normal Weight.... Plausible or Pure Fantasy? 1 2

    By Spacescifi,
    • 29 replies
    • 8.7k views

  17. The Tsiolkovsky Civilization Scale

    By Spacescifi,
    • 24 replies
    • 1.6k views

  18. How useful would underground saltwater be?

    By farmerben,
    • 10 replies
    • 767 views

  19. Blocky Spaceship Viability and Refueling Propellant On Earth-like Worlds 1 2

    By Spacescifi,
    • 42 replies
    • 2.2k views

  20. Helical Engine- RL Kraken drive or the next EM Drive?

    By DAL59,
    • 3 replies
    • 635 views

  21. How would human populations think in an environment with nonhuman populations?

    By Souper,   
    • 8 replies
    • 675 views

  22. Limits Of Radiation Shielding

    By Spacescifi,
    • 11 replies
    • 943 views

  23. Ares-I question...

    By Jestersage,
    • 12 replies
    • 997 views

  24. Why a Star Trek replicator will never be possible 1 2 3

    By TheDataMiner,
    • 73 replies
    • 16.8k views

  25. Living in Zero G

    By Robonoise,
    • 9 replies
    • 839 views
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