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Science & Spaceflight

A place for all geeky and sciency discussions.

8,449 topics in this forum

  1. [Physics] A question on the relativity of time effecting perception operating in two

    By bendeezer,
    • 3 replies
    • 1k views

  2. Could a "Santa Claus Machine" ever be built? 1 2 3

    By szputnyik,
    • 64 replies
    • 7.8k views

  3. What should we do if an alien race needs our help? 1 2 3 4

    By Drunkrobot,
    • 93 replies
    • 12.6k views

  4. GI joe retaliation zeus weapon 1 2

    By Sirrobert,
    • 35 replies
    • 23.7k views

  5. Reaching a target orbit with control of nothing but thrust direction

    By Zander,
    • 7 replies
    • 1.9k views

  6. What Would You do to Discover Super-Heavy Elements?

    By bigyihsuan,
    • 12 replies
    • 2.2k views

  7. Minimal Manned Mars Mission Mentation

    By Ciber,
    • 9 replies
    • 1.4k views

  8. Simulating flight characteristics of projectile moving at trans to supersonic speeds

    By mario972,
    • 3 replies
    • 885 views

  9. ? 2 Cannon balls are dropped at the same time...

    By travis575757,
    • 24 replies
    • 7.2k views

  10. What do you think Jupiter's core is made of?

    By Sun,
    • 16 replies
    • 2.2k views

  11. The effects of a minmus analogue on earth?

    By WhiteWeasel,
    • 2 replies
    • 2k views

  12. Miranda. My new favourite solar system body? 1 2

    By vetrox,
    • 27 replies
    • 3.8k views

  13. I can't find a good definition of specific impulse

    By travis575757,
    • 14 replies
    • 2.1k views

  14. Pictures from the Voyager "Golden Record"

    By szputnyik,
    • 0 replies
    • 944 views

  15. Waking up in a world unlike any Earth... On Earth

    By MrZayas1,
    • 5 replies
    • 1.2k views

  16. ULA Delta IV Launch tonight.

    By Kilmeister,
    • 7 replies
    • 1.3k views

  17. Moon landing 2013 (Chang'e 3) 1 2 3 4 18

    By czokletmuss,
    • 432 replies
    • 74.7k views

  18. Could we build a generation ship today?

    By Kilmeister,
    • 15 replies
    • 4.8k views

  19. another article about using Thorium, this time in a car.

    By automcdonough,
    • 13 replies
    • 2.3k views

  20. Accessing an Android's HDD?

    By Themohawkninja,
    • 1 reply
    • 610 views

  21. Schwarzchild Radius

    By victory143,
    • 6 replies
    • 1.1k views

  22. Günter Wendt: The Most Influential NASA Employee You've Never Heard Of

    By Tex,
    • 8 replies
    • 2.1k views

  23. Congress Directs NASA To Study Europa Mission 1 2 3

    By NASAFanboy,
    • 62 replies
    • 8.5k views

  24. Brain computer interfaces

    By nhnifong,
    • 11 replies
    • 2.1k views

  25. the "Greenwich" meridian of the galaxy

    By MC.STEEL,
    • 7 replies
    • 1.8k views
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