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  1. Grey Havoc

    Powered JDAM

    https://www.flightglobal.com/fixed-wing/boeing-resurrects-effort-to-turn-jdam-bomb-into-cheap-cruise-missile/137046.article https://www.airforcemag.com/power-jdam-boeings-new-alternative-to-cruise-missiles/...
  2. sublight is back

    Elon Musk's Hyperloop concept

    He wants the travel pod to provide levitation (lift) inside the tube via air cushion to cut costs. Loss of lift at 700mph in an enclosed space could get ugly.... http://www.spacex.com/sites/spacex/files/hyperloop_alpha-20130812.pdf