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Invention makes Month-Long Flights Possible

newscientist.com — Aerospace giant Boeing wants to build unmanned planes that can stay aloft for as long as a month, and a new patent application says powering them with hydrogen is the way to do it.

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  • doiveo, on 11/26/2008, -0/+3Yikes, my ankles are swollen after just 4 hours.
  • thepoliticalcat, on 11/26/2008, -0/+2Hmmm ... Hindenburg.
  • theadvinci, on 11/26/2008, -0/+1Whats the fun of flying when you're not on board?

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