Science & Spaceflight

8,479 topics in this forum

1. Is this BS?

   By coyotesfrontier, October 2, 2020
   • 12 replies
   • 1.5k views
   • 
   • sevenperforce
   • October 5, 2020

2. What A Fast Scifi Space Faring Civilivation Would Have/need

   By Spacescifi, October 3, 2020
   • 7 replies
   • 677 views
   • 
   • Incarnation of Chaos
   • October 5, 2020

3. "The EmDrive Just Won't Die" 1 2 3 4

   By DDE, September 12, 2020   

   • voodoo
   • reactionless drive
   • (and 1 more)

      Tagged with:

     • voodoo
     • reactionless drive
     • darpa
   • 81 replies
   • 6k views
   • 
   • K^2
   • October 4, 2020

4. Mode for engineers

   By Vahan, September 30, 2020
   • 14 replies
   • 933 views
   • 
   • munlander1
   • October 3, 2020

5. Doing stupid things for SCIENCE! (and learning valuable techniques)

   By JoeSchmuckatelli, September 28, 2020
   • 19 replies
   • 1.1k views
   • 
   • magnemoe
   • September 30, 2020

6. Duna? Or Mars???

   By maddog59, September 29, 2020
   • 2 replies
   • 426 views
   • 
   • kerbiloid
   • September 29, 2020

7. Nasa Moonbase night power quest 1 2

   By theJesuit, September 28, 2020
   • 27 replies
   • 1.9k views
   • 
   • James Kerman
   • September 29, 2020

8. 10 years to evacuate Earth 1 2 3

   By coyotesfrontier, September 22, 2020
   • 56 replies
   • 11.2k views
   • 
   • kerbiloid
   • September 25, 2020

9. Asteroid 2020 SO

   By PakledHostage, September 23, 2020
   • 9 replies
   • 734 views
   • 
   • PakledHostage
   • September 24, 2020

10. Improve the Tricorder...

    By Spacescifi, September 13, 2020
    • 24 replies
    • 1.4k views
    • 
    • kerbiloid
    • September 23, 2020

11. Fundamental Force Control VS Mass Replication 1 2 3

    By Spacescifi, September 16, 2020
    • 58 replies
    • 3k views
    • 
    • sevenperforce
    • September 22, 2020

12. Your chance to fly on the ISS

    By Gargamel, September 22, 2020
    • 2 replies
    • 476 views
    • 
    • kerbiloid
    • September 22, 2020

13. Tethers in space - expanding their use

    By MatterBeam, September 20, 2020   

    • space
    • infrastructure
    • (and 1 more)

       Tagged with:

      • space
      • infrastructure
      • tether
    • 7 replies
    • 3.2k views
    • 
    • Bill Phil
    • September 20, 2020

14. Humanoid Or Specifically Built Robots VS Human Workers 1 2 3 4 6

    By Spacescifi, September 5, 2020
    • 136 replies
    • 7.4k views
    • 
    • Vanamonde
    • September 16, 2020

15. AGM-53 Condor as it could have been

    By DDE, September 10, 2020   

    • missile
    • fluoride
    • 9 replies
    • 1.5k views
    • 
    • YNM
    • September 16, 2020

16. Falcon 9, grid fin question

    By Serenity, September 9, 2020
    • 8 replies
    • 1.4k views
    • 
    • kerbiloid
    • September 12, 2020

17. Colonization of Ceres instead of the moon or Mars 1 2

    By catloaf, August 17, 2020   

    • colonization
    • ceres
    • 39 replies
    • 5.2k views
    • 
    • KerikBalm
    • September 11, 2020

18. Which direction is the Sun moving relative to the interstellar medium?

    By HebaruSan, September 9, 2020
    • 16 replies
    • 1.5k views
    • 
    • K^2
    • September 10, 2020

19. GMO foods 1 2 3

    By cubinator, September 2, 2020
    • 53 replies
    • 3k views
    • 
    • kerbiloid
    • September 10, 2020

20. Relay satellite

    By eatU4myT, September 4, 2020
    • 4 replies
    • 1.2k views
    • 
    • tomf
    • September 7, 2020

21. Link Space

    By Wjolcz, April 28, 2018
    • 16 replies
    • 1.7k views
    • 
    • Nightside
    • September 5, 2020

22. Random Science Facts Thread! 1 2 3 4 16

    By Grand Ship Builder, October 27, 2017   

    • random science facts
    • thread
    • 375 replies
    • 36.9k views
    • 
    • Nightside
    • September 5, 2020

23. Interesting physics question 1 2

    By reese4221, August 31, 2020
    • 38 replies
    • 2.1k views
    • 
    • JoeSchmuckatelli
    • September 4, 2020

24. Alternative Clothing Resources

    By Spacescifi, September 2, 2020
    • 20 replies
    • 1.1k views
    • 
    • kerbiloid
    • September 3, 2020

25. Anti Satellite weapons 1 2

    By Apurva Kawthalkar, April 1, 2020
    • 45 replies
    • 3.5k views
    • 
    • DDE
    • September 2, 2020