NASA's green aviation project is one step closer to developing technology that could make future airliners quieter and more fuel-efficient with the successful flight test of a wing surface that can change shape in flight.
November 07, 2014
from NASA http://ift.tt/13Rknpk
via IFTTT
November 07, 2014
from NASA http://ift.tt/13Rknpk
via IFTTT
沒有留言:
張貼留言