materials

  1. E

    DARPA wants to build submarine hulls out of ceramic

    Ceramics are remarkable materials. They can be easily molded into arbitrary shapes, they are hard, strong, able to survive extreme temperatures, and resistant to corrosion. But as anyone who has dropped a coffee mug knows, they aren't very tough and are prone to sudden failure. But DARPA has...
    • exclaimedleech8
    • Thread
    • ceramics cold war ii defense advanced research projects agency materials submarine united states
    • Replies: 32
    • Forum: Military
  2. A

    Enhancing Field Coherency for Magnetic Propulsion

    Hello, I’m seeking any materials on alternative propulsion methods involving electro magnetism. I’ve been looking for papers that are field theory based and although there’s some interesting stuff on here, the virtual photon and quantum speak is tiring for me to equate with my own terms. Not to...
    • Al3
    • Thread
    • aerodynamics magnetic levitation materials question
    • Replies: 1
    • Forum: Propulsion
  3. Grey Havoc

    DARPA ReSource

    http://www.spacedaily.com/reports/From_Plastic_to_X_Sourcing_Military_Waste_for_On_Site_Production_of_Critical_Stocks_999.html
    • Grey Havoc
    • Thread
    • battlefield recycling biological technologies office darpa logistics materials phase zero plastics special operations u.s. army waste
    • Replies: 0
    • Forum: Secret Army Projects
  4. Grey Havoc

    JAEA uses ceramic film to easily strain, collect lithium from seawater

    This may have some interesting implications. http://www.japantimes.co.jp/news/2014/02/09/national/jaea-uses-ceramic-film-to-easily-strain-collect-lithium-from-seawater/#.UvfVO_l_uSo
  5. flateric

    McDD Impact of agility requirements on configuration synthesis study (1994)

    Impact of agility requirements on configuration synthesis Author(s): Oneil, Patrick J.; Nyberg, Gregory; Deturk, Robin; Seal, Daniel W.; Grethlein, Christian E. Abstract: A configuration design study was performed by McDonnell Douglas Aerospace (MDA) for the NASA Langley Research Center...
    • flateric
    • Thread
    • 1994 aerospace industry aerostructures airframe avionics early 1990s engines fighter fighters materials mcdonnell douglas nasa langley research center post-cold war united states
    • Replies: 10
    • Forum: Secret Postwar Aircraft Projects
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