Science & Spaceflight

8,461 topics in this forum

1. Evidence-Based Public Health Policy

   By sevenperforce, February 26, 2018
   • 6 replies
   • 621 views
   • 
   • Snark
   • February 26, 2018

2. Counter ICBM question

   By zoliking, February 25, 2018   

   • rocket science
   • 23 replies
   • 1.7k views
   • 
   • ment18
   • February 26, 2018

3. Would it be possible to build an "Inverted Dyson Shell" 1 2

   By daniel l., February 21, 2018
   • 28 replies
   • 3k views
   • 
   • magnemoe
   • February 25, 2018

4. Aldrin Cycler Ships 1 2

   By Northstar1989, September 22, 2017   

   • mission architectures
   • cycler ships
   • (and 3 more)

      Tagged with:

     • mission architectures
     • cycler ships
     • astrodynamics
     • orbital mechanics
     • mars
   • 42 replies
   • 4.4k views
   • 
   • Northstar1989
   • February 25, 2018

5. Falcon 9 Dimensions?

   By Coolinee Kerman, February 24, 2018   

   • f9
   • falcon
   • (and 3 more)

      Tagged with:

     • f9
     • falcon
     • falcon9
     • ro
     • landing
   • 1 reply
   • 606 views
   • 
   • NSEP
   • February 24, 2018

6. Cosmic Radiation in Spaceflight . .turn them into the Borg

   By PB666, February 24, 2018
   • 1 reply
   • 351 views
   • 
   • YNM
   • February 24, 2018

7. A clock that will last for 10,000 years.

   By DAL59, February 21, 2018
   • 23 replies
   • 1.4k views
   • 
   • Vanamonde
   • February 23, 2018

8. Atmosphere model prediction

   By SimSim11, February 23, 2018
   • 1 reply
   • 425 views
   • 
   • Green Baron
   • February 23, 2018

9. Ineractive Significant Incidents and Close Calls in Human Spaceflight chart

   By drinzen, February 22, 2018   

   • incidents
   • close calls
   • (and 3 more)

      Tagged with:

     • incidents
     • close calls
     • nasa
     • spaceflight
     • lessons learned
   • 0 replies
   • 325 views
   • 
   • drinzen
   • February 22, 2018

10. Robotics Thread- Velocoraptors

    By DAL59, February 22, 2018
    • 0 replies
    • 338 views
    • 
    • DAL59
    • February 22, 2018

11. The Economics of Platinum mining 1 2 3

    By StrandedonEarth, February 18, 2018
    • 53 replies
    • 3.9k views
    • 
    • StrandedonEarth
    • February 21, 2018

12. Psychological Profile Of Starfleet Officers And Crewmen? ;-)

    By Pawelk198604, February 20, 2018   

    • star trek
    • starfleet
    • 14 replies
    • 1.2k views
    • 
    • PB666
    • February 21, 2018

13. Peaceful... Nuclear Explosion ?!?

    By YNM, February 20, 2018
    • 16 replies
    • 1.7k views
    • 
    • YNM
    • February 20, 2018

14. NASA again looking at Nuclear Rockets

    By linuxgurugamer, August 29, 2017
    • 20 replies
    • 2k views
    • 
    • DDE
    • February 20, 2018

15. Copenhagen Suborbitals on regenerative cooling and water hammer effect

    By Zephram Kerman, February 19, 2018   

    • copenhagen suborbitals
    • regenerative cooling
    • (and 1 more)

       Tagged with:

      • copenhagen suborbitals
      • regenerative cooling
      • science
    • 2 replies
    • 1.2k views
    • 
    • Starman4308
    • February 20, 2018

16. Rocket

    By Sammyhasan, February 17, 2018
    • 11 replies
    • 1.1k views
    • 
    • Sammyhasan
    • February 19, 2018

17. Harvard and MIT physicists found a way to make photons interact with each other, almost five years ago

    By daniel l., February 17, 2018
    • 7 replies
    • 862 views
    • 
    • Vanamonde
    • February 18, 2018

18. Something funny

    By Jhorriga, February 18, 2018
    • 2 replies
    • 536 views
    • 
    • Vanamonde
    • February 18, 2018

19. Isaac Arthur Videos Discussion(Sleeping Giants) 1 2 3

    By DAL59, November 26, 2017
    • 58 replies
    • 5.8k views
    • 
    • magnemoe
    • February 15, 2018

20. Hi, space and rocket fans, I have a real world technical question

    By Shevek23, February 13, 2018   

    • shuttle srbs
    • alternate history
    • (and 1 more)

       Tagged with:

      • shuttle srbs
      • alternate history
      • shuttle derived launchers
    • 13 replies
    • 1.1k views
    • 
    • PB666
    • February 15, 2018

21. Guessing who just dumped another hypergolic booster on their own people 1 2

    By insert_name, February 13, 2018   

    • china
    • long march
    • 25 replies
    • 2.2k views
    • 
    • softweir
    • February 13, 2018

22. Book recommendation: Salyut

    By MaxwellsDemon, February 13, 2018
    • 0 replies
    • 398 views
    • 
    • MaxwellsDemon
    • February 13, 2018

23. "AI" Imagery and Videography

    By YNM, February 5, 2018
    • 2 replies
    • 811 views
    • 
    • DAL59
    • February 12, 2018

24. Astronaut John Young dies at 87

    By Frybert, January 6, 2018   

    • sad
    • john young
    • (and 3 more)

       Tagged with:

      • sad
      • john young
      • sts
      • apollo
      • gemini
    • 15 replies
    • 1.2k views
    • 
    • TheKSPBeginner
    • February 12, 2018

25. New found CPU bug could seriously downgrade performance for most of us 1 2 3 4

    By Azimech, January 4, 2018   

    • oops
    • 87 replies
    • 5.9k views
    • 
    • Wolf Baginski
    • February 12, 2018