NASA has proposed a new citizen science challenge called the 20-20-20 Airship Challenge that calls for high-altitude and long-duration airship designs.
The rest of the story
livescience.com
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High-Tech Airships Could Be NASA's Next Challenge
NASA has proposed a new citizen science challenge called the 20-20-20 Airship Challenge that calls for high-altitude and long-duration airship designs.
The rest of the story
livescience.com
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