Description: [caption id="" align="aligncenter" width="172" caption="The Steiner Ambrotype, June 18, 1857, by Unidentified photographer, Ambrotype, National Air and Space Museum, Image ID: 2001-5358. "] [/caption] [caption id="" align="alignright" width="190" caption="First Launch from Cape Canaveral, Florida, July 24, 1950, by U.S. Air Force, Gelatin silver print, National Air and Space
Description: It can be so frustrating to put great effort into something, and then to have your work and achievements called into question. I can't begin to imagine how frustrated Samuel Pierpont Langley was in 1903. By that time, he had spent over forty years studying astrophysics and aerodynamics. His work on astronomically-derived time measurement in the late 1860's is the heart of the