Aviation & Space

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  Aviation & Space

  Solar Impulse HB-SIA

  A clean-aviation milestone
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  Aviation & Space

  Masten Space Systems Xombie

  The Easiest Way to Space
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  Aviation & Space

  ESA Cryosat-2

  The Clearest Climate-Change Picture Yet
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  Aviation & Space

  Atacama Large Millimeter Array

  The Alpha Telescope
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  Aviation & Space

  Airbus Military A400M

  The Most Versatile Cargo Hauler
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  Aviation & Space

  Spacex Falcon-9

  The First Astronaut-Worthy Private Rocket in Orbit
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  Aviation & Space

  Eads Astrium Tandem-X Satellite

  Mapping the World in 3D
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  Aviation & Space

  Pratt & Whitney Rocketdyne/Boeing X-51A Waverider

  The Fastest Jet Engine
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  Aviation & Space

  Piasecki/Carnegie Mellon Autonomous Helicopter

  The Smartest Autonomous Helicopter
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  Aviation & Space

  Boeing X-37B

  Most Mysterious Aircraft