Due to the shutdown and a revised schedule for the Codex exhibit, this event has moved to Saturday Oct 19. There is a docent tour at 1PM which lasts for 90 min.
"Hundreds of years before any real progress toward a practical flying machine was achieved, Leonardo expressed the seeds of the ideas that would lead to humans spreading their wings...."
Leonardo da Vinci's aggregate achievements in engineering, mathematics, anatomy, geology, physics, music, military technology, aeronautics, and a wide range of other fields, not only stood without peer in his own time, but were strikingly prescient for the distant future. He recorded his forward-looking ideas in thousands of notebook pages, known as codices. Da Vinci produced one codex entirely on flight in[masked], the Codex on the Flight of Birds. He produced more than 35,000 words and 500 sketches dealing with flying machines, the nature of air, and bird flight. In the Codex on the Flight of Birds, da Vinci outlined a number of observations and beginning concepts that would find a place in the development of a successful airplane in the early twentieth century.
More Info: http://airandspace.si.edu/exhibitions/codex/