NASA is testing folding wings to make flying more efficient

In space, NASA is grappling with potential ISS funding issues, but on Earth, the agency is working hard to improve the efficiency of flight via wings that can fold while an aircraft is flying.

The original article can be found here: http://www.foxnews.com/tech/2018/01/25/nasa-is-testing-folding-wings-to-make-flying-more-efficient.html

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