“Worth Repeating” is a weekly feature on the EngAGE Blog that will bring you previous posts that we think are still timely, interesting, or just plain fun! From 12/9/13:
Luigi Prina, 83, has dedicated nearly twenty years of his later life to building flying model boats, bicycles and other unconventional aircraft. Read more and see more beautiful photographs here. And don’t miss the cool 1:39 video!