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Science & Spaceflight

A place for all geeky and sciency discussions.

8,479 topics in this forum

  1. X-ray and Gamma ray mirrors... and Perfect Mirrors

    By Spacescifi,
    • 6 replies
    • 1.7k views

  2. Variations On A Theme Of Earth

    By Spacescifi,
    • 20 replies
    • 1k views

  3. Scifi Laser Rifles With A Dash Of Realism

    By Spacescifi,
    • 14 replies
    • 1.2k views

  4. The Rocketry Implications Of Portal Assisted Rocketry

    By Spacescifi,
    • 18 replies
    • 1.3k views

  5. Electrical (No Ion) Engine 1 2

    By Dr. Kerbal,
    • 25 replies
    • 1.7k views

  6. Realistic space combat vehicles?

    By Pds314,
    • 21 replies
    • 1.9k views

  7. Airbreathing SSTO Design 1 2

    By Spacescifi,
    • 28 replies
    • 1.8k views

  8. Is Pluto a planet? 1 2 3 4 6

    By Entropian,   
    • 145 replies
    • 11.7k views

  9. Take That Fusion!

    By Spacescifi,
    • 8 replies
    • 818 views

  10. Trying to understand conservation of momentum [Split from another topic] 1 2 3

    By Arugela,
    • 54 replies
    • 3.7k views

  11. Exciting NASA announcement 1 2

    By Entropian,
    • 31 replies
    • 2.4k views

  12. Could we track approaching alien ships?

    By s_gamer101,   
    • 15 replies
    • 1.6k views

  13. Antimatter Engine 1 2

    By Dr. Kerbal,
    • 42 replies
    • 4k views

  14. How Scifi Repulsors That Actually Repelled Could Work

    By Spacescifi,
    • 1 reply
    • 773 views

  15. Small Asteroid Mining (Geology, Economic and Ecological/Heritage) questions

    By JoeSchmuckatelli,
    • 4 replies
    • 529 views

  16. How Heavy is Reasonable In This Setting And What is TOO Heavy? 1 2

    By Spacescifi,
    • 31 replies
    • 2.2k views

  17. Analytic drag equation for rocket under acceleration

    By Guest,   
    • 5 replies
    • 831 views

  18. Room Temperature Superconductors

    By K^2,
    • 13 replies
    • 1.3k views

  19. How Much Delta V Is Necessary To Get Around The Solar System?

    By Spacescifi,
    • 16 replies
    • 874 views

  20. Fart powered biological underwater propulsion

    By Spacescifi,
    • 15 replies
    • 1.5k views

  21. NASA's DuAxel--A most Kerbal rover

    By Klapaucius,
    • 1 reply
    • 438 views

  22. Teleported into rock

    By coyotesfrontier,
    • 8 replies
    • 837 views

  23. Terrifying AI possibilities 1 2

    By coyotesfrontier,
    • 33 replies
    • 2.3k views

  24. DOA Scifi Tropes 1 2 3 4 5

    By Spacescifi,
    • 113 replies
    • 7.8k views

  25. CCSFS and KSC to consider merger

    By RCgothic,   
    • 0 replies
    • 500 views
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