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Science & Spaceflight

A place for all geeky and sciency discussions.

8,461 topics in this forum

  1. Metallic Hydrogen As Radiation Shielding

    By Spacescifi,
    • 4 replies
    • 786 views

  2. Pure Newtonian Combat... Surprises 1 2 3

    By Spacescifi,
    • 63 replies
    • 4.8k views

  3. Is this really a 787's peak performance. And why don't they make it? 1 2

    By Arugela,
    • 28 replies
    • 2.5k views

  4. The Expanse's Epstein Drive: Explained 1 2

    By MatterBeam,
    • 42 replies
    • 12.5k views

  5. Resource consumption on really tiny planets

    By ChrisSpace,
    • 21 replies
    • 6.7k views

  6. Landing StarShip Horizontally 1 2

    By llertag86,   
    • 32 replies
    • 3.2k views

  7. Most Useful humanoid features

    By Spacescifi,
    • 22 replies
    • 1.4k views

  8. Surviving Near The Sun Via Jump Drive...

    By Spacescifi,
    • 9 replies
    • 734 views

  9. Reaction wheels and general relativity 1 2

    By k00b,
    • 38 replies
    • 2.9k views

  10. Digging the Moon

    By farmerben,
    • 13 replies
    • 1.2k views

  11. Low tech pure optical computers?

    By Arugela,
    • 17 replies
    • 787 views

  12. Animals... In Space

    By Spacescifi,
    • 11 replies
    • 1.5k views

  13. The compelxities of extra-terrestrial farming 1 2

    By Thor Wotansen,   
    • 26 replies
    • 2.8k views

  14. Optimal shapes for limited and constant acceleration starships

    By Spacescifi,
    • 14 replies
    • 1.2k views

  15. Rods from God, reconsidered 1 2

    By DDE,
    • 36 replies
    • 10.2k views

  16. 20 new moons of Saturn found

    By insert_name,
    • 7 replies
    • 692 views

  17. Feasibility Of Asteroid Spaceships

    By Spacescifi,
    • 11 replies
    • 797 views

  18. Real Rocket Plumes As Depicted In Space VS Scifi

    By Spacescifi,
    • 18 replies
    • 1.8k views

  19. How it happened that astronaut Eugene "Gene" Cernan had problems during the Gemini 9A mission during his spacewalk, after all, the first American man who made the spacewalk (the first was the Soviet cosmonaut Alexei Leonov :-)), Edward White did not have

    By Pawelk198604,
    • 2 replies
    • 459 views

  20. Death Via Stainless Steel Hull. 1 2

    By Spacescifi,
    • 42 replies
    • 2.8k views

  21. Fusion Driven Rocket

    By tater,
    • 6 replies
    • 658 views

  22. Can a crew from ISS return home without mission control support?

    By hypervelocity,
    • 20 replies
    • 1.1k views

  23. Add a fifth fundemental force

    By coyotesfrontier,
    • 22 replies
    • 1.3k views

  24. Physics question

    By Clockwork13,
    • 20 replies
    • 1.3k views

  25. Nuclear Lightbulbs and other Nuclear drives Analyzed..

    By Spacescifi,
    • 6 replies
    • 1.5k views
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