The Week In Technology, June 7-11, 2021

NASA ultraefficient subsonic X-plane
The transonic truss-braced wing is one candidate, but NASA will seek industry ideas for an ultraefficient subsonic X-plane.
Credit: NASA
NASA Plans Sustainable Single-Aisle X-Plane Within a budget request for aeronautics research in fiscal 2022 of $914.8 million, up from $828.7 million enacted for 2021, NASA plans to launch the Sustainable Flight Demonstrator program to produce a full-scale, ultraefficient subsonic X-plane. The...

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