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Science & Spaceflight

A place for all geeky and sciency discussions.

8,477 topics in this forum

  1. What's your favorite spacecraft/launch vehicle? 1 2

    By Sanic,   
    • 46 replies
    • 3.9k views

  2. Water and the Peak of Mount Everest

    By Der Anfang,
    • 12 replies
    • 2.7k views

  3. Turin-esque Halting problem. Discerning the undiscernale

    By PB666,   
    • 0 replies
    • 449 views

  4. Why does the universe exist? 1 2 3 4 7

    By Monkeh,
    • 171 replies
    • 19.7k views

  5. Human clones doable now. 1 2 3 4

    By Exoscientist,
    • 92 replies
    • 6.2k views

  6. Is this a resonable VentureStar-Powered Alternate History?

    By fredinno,   
    • 4 replies
    • 866 views

  7. About hypothetical negative and imaginary mass

    By Angeltxilon,   
    • 1 reply
    • 1.7k views

  8. How properly use portable scanner?

    By Pawelk198604,
    • 2 replies
    • 556 views

  9. Free simple n-body simulator?

    By A35K,
    • 1 reply
    • 619 views

  10. The theory of nothing

    By PB666,
    • 10 replies
    • 1.3k views

  11. White dwarf produces assymetric ring system

    By PB666,   
    • 2 replies
    • 589 views

  12. Did we really find a "super-"earth" in our Solar System?

    By RandomRyan,
    • 16 replies
    • 2.1k views

  13. Cassini beginning flybys of Enceladus 1 2

    By PB666,
    • 40 replies
    • 5.2k views

  14. Why pilots around the world use this funny phonetic alphabet :-) 1 2

    By Pawelk198604,
    • 33 replies
    • 4.6k views

  15. Blind astronomy

    By cosmo-goblin,   
    • 9 replies
    • 1k views

  16. Hypothetical Lobed Planet

    By cubinator,   
    • 4 replies
    • 850 views

  17. The ethical dilemma of self-driving cars 1 2

    By RainDreamer,   
    • 43 replies
    • 3.3k views

  18. Possibile xenobiotic hotspots in our galaxy

    By PB666,   
    • 12 replies
    • 893 views

  19. I have assumed direct control of the galaxy! (meaning I made a game about it)

    By problemecium,   
    • 23 replies
    • 4.2k views

  20. Final flight of Zenit?

    By Delta_8930,   
    • 2 replies
    • 5.1k views

  21. Rotor Kites as Alternatives to Parachutes 1 2 3

    By shynung,
    • 60 replies
    • 11.4k views

  22. Quantum Entanglement, omnithread

    By PB666,   
    • 1 reply
    • 615 views

  23. Hermes "The Martian"

    By Flyin' Brian Bulock Olson,
    • 1 reply
    • 1.1k views

  24. Frankenstorm projectiles 1 2

    By PB666,   
    • 26 replies
    • 2.4k views

  25. Russian Sat will crash soon.

    By Dfthu,
    • 5 replies
    • 679 views
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