IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The QH-50 D.A.S.H. was the first ...
This eVTOL air taxi design looks like a weird helicopter/plane hybrid, but it's the safest of all the eVTOL designs we've ever seen, and it has another killer advantage in that it requires no special ...
The Kayaba Heliplane was Japan's postwar gyrodyne project, combining helicopter and autogyro features before development ...