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Science & Spaceflight

A place for all geeky and sciency discussions.

8,478 topics in this forum

  1. Asteroid Psyche

    By farmerben,
    • 6 replies
    • 608 views

  2. Just a little tweak of the Extremely Large Telescope(ELT)

    By Exoscientist,
    • 20 replies
    • 1.6k views

  3. Places to hide if there's a nuclear blast? 1 2

    By Minmus Taster,
    • 45 replies
    • 5k views

  4. Non-comparative sorting algorithm - CurveSort

    By sevenperforce,
    • 6 replies
    • 669 views

  5. If Light Could Be Converted Into Magnetism

    By Spacescifi,
    • 16 replies
    • 1.9k views

  6. Happy launch day Sputnik 1

    By fragtzack,
    • 1 reply
    • 280 views

  7. Feasibility of using 'rocks/boulders' as propellant?

    By Heretic391,
    • 18 replies
    • 1k views

  8. SS Henry Steinbrenner found in Lake Superior

    By Minmus Taster,
    • 0 replies
    • 439 views

  9. Antimatter falls down.

    By Gargamel,
    • 15 replies
    • 1.3k views

  10. Measuring the distance to Mars using simple equipment (UPDATE: first estimates of distance!!) 1 2 3 4

    By cubinator,   
    • 98 replies
    • 5.4k views

  11. Helion Energy

    By Superluminal Gremlin,
    • 10 replies
    • 1.3k views

  12. Which of these future telescopes you can't wait for it to be operational and why?

    By antipro,
    • 10 replies
    • 1.1k views

  13. Fission power plants in space

    By farmerben,
    • 5 replies
    • 361 views

  14. Why Thermal Combustion Rockets On Par With Chemical Or Solid Rocket Thrust Will Be Fiction For An Indefinite Time...

    By Spacescifi,
    • 15 replies
    • 969 views

  15. Atmospheric and Space Questions...

    By Spacescifi,
    • 9 replies
    • 1k views

  16. How Common Or Rare Are Planets with 1g or Greater?

    By Spacescifi,
    • 15 replies
    • 887 views

  17. Scifi Fun With Inertial Negators....

    By Spacescifi,
    • 12 replies
    • 850 views

  18. Breakthrough Starshot Mission thread

    By farmerben,
    • 7 replies
    • 683 views

  19. Hybrid ram/scram/rocket?

    By Arugela,
    • 1 reply
    • 583 views

  20. Could a Falcon 9 with single seat cabin and no 2nd stage...

    By darthgently,
    • 15 replies
    • 600 views

  21. A Kardeshev III civilization would head for the Virgo Supercluster

    By farmerben,
    • 12 replies
    • 967 views

  22. Flying carrier!!! Found a solution!

    By Arugela,
    • 9 replies
    • 976 views

  23. Minuteman III test tonight

    By darthgently,
    • 11 replies
    • 755 views

  24. DART: Double Asteroid Redirection Test 1 2 3 4 8

    By Ultimate Steve,
    • 190 replies
    • 12.5k views

  25. Night solar panel drones? 24 hour operation?!

    By Arugela,
    • 10 replies
    • 816 views
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