Science & Spaceflight

8,476 topics in this forum

1. Science behind beauty face mask?

   By RainDreamer, October 11, 2015
   • 13 replies
   • 5.3k views
   • 
   • lajoswinkler
   • October 12, 2015

2. How to calculate a rendezvous?? 1 2

   By Der Anfang, October 9, 2015
   • 31 replies
   • 15.7k views
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   • Meithan
   • October 12, 2015

3. Science and function of gravity

   By PB666, October 12, 2015
   • 0 replies
   • 447 views
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   • PB666
   • October 12, 2015

4. Valentinas capsule.

   By Shania_L, September 23, 2015
   • 10 replies
   • 1.6k views
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   • Kryten
   • October 11, 2015

5. Fusion Engines - ultimate limitations on performance if you do it like Tri Alpha does it

   By SomeGuy12, October 11, 2015
   • 2 replies
   • 1k views
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   • SomeGuy12
   • October 11, 2015

6. Why Pentagon sabotaged Jupiter C rocket to make sure he did not launch by accident

   By Pawelk198604, October 11, 2015
   • 3 replies
   • 944 views
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   • Kryten
   • October 11, 2015

7. Antares and Minotaur Rockets Military Future?

   By fredinno, October 8, 2015
   • 18 replies
   • 1.6k views
   • 
   • Kryten
   • October 10, 2015

8. What is the most dangerous chemical that you know about 1 2 3 4 6

   By Ethanadams, October 3, 2015
   • 127 replies
   • 20.4k views
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   • Hannu
   • October 10, 2015

9. NASA's permanent Mars colony plan

   By Soda Popinski, October 9, 2015
   • 11 replies
   • 1.8k views
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   • J.Random
   • October 10, 2015

10. Gauging safe distance from nuclear explosion with your thumb? 1 2

    By RainDreamer, October 9, 2015
    • 27 replies
    • 23.9k views
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    • fredinno
    • October 10, 2015

11. Why do coilguns have to have a straight barrel?

    By longbyte1, October 9, 2015
    • 14 replies
    • 4.5k views
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    • GreeningGalaxy
    • October 10, 2015

12. The quantum/classical boundary, explaining and stretching

    By PB666, October 10, 2015
    • 0 replies
    • 449 views
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    • PB666
    • October 10, 2015

13. Dark matter adds additional mass that causes small white dwarfs to supernova?

    By PB666, October 9, 2015
    • 4 replies
    • 681 views
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    • YNM
    • October 9, 2015

14. 39 days to Mars possible now with nuclear-powered VASIMR. 1 2 3 4 8

    By Exoscientist, August 29, 2015
    • 193 replies
    • 18.3k views
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    • Exoscientist
    • October 9, 2015

15. Chernobyl exclusion zone, better than a wildlife refuge

    By PB666, October 7, 2015
    • 22 replies
    • 2.6k views
    • 
    • PB666
    • October 9, 2015

16. AIM (part of AIDA)

    By Nikolai, October 8, 2015
    • 5 replies
    • 1.6k views
    • 
    • Nikolai
    • October 9, 2015

17. Need Help Understanding Magnetic Force

    By gurntmaster1, October 7, 2015
    • 13 replies
    • 1.5k views
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    • Hannu
    • October 9, 2015

18. Parafoil- Based Stage Recovery

    By fredinno, October 8, 2015
    • 1 reply
    • 811 views
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    • MaverickSawyer
    • October 9, 2015

19. Electron-positron: plasma wakefield collider

    By PB666, September 7, 2015
    • 7 replies
    • 1.5k views
    • 
    • PB666
    • October 9, 2015

20. Question about Mercury program?

    By Pawelk198604, October 8, 2015
    • 1 reply
    • 585 views
    • 
    • Ten Key
    • October 8, 2015

21. Evacuate Earth 1 2 3 4 11

    By Pawelk198604, January 8, 2014
    • 263 replies
    • 31k views
    • 
    • lukethecoder64
    • October 8, 2015

22. The dimensionality of space-time

    By PB666, October 8, 2015
    • 3 replies
    • 777 views
    • 
    • problemecium
    • October 8, 2015

23. What kind of oxygen astronaut breathe?

    By Pawelk198604, October 8, 2015
    • 8 replies
    • 1.9k views
    • 
    • Bill Phil
    • October 8, 2015

24. More details on the LISA Pathfinder mission

    By PB666, October 8, 2015
    • 1 reply
    • 553 views
    • 
    • Hannu
    • October 8, 2015

25. 3.25 billion years ago, cyanobacterium may have been present.

    By PB666, October 8, 2015
    • 2 replies
    • 1k views
    • 
    • KerikBalm
    • October 8, 2015