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
Description: A few days ago, I went to an IMAX 3D showing of Avatar to see for myself if the movie is a “game-changer,” as many have suggested. And, it is, but in a way no one seems to be focusing on—the way it acknowledges and exploits photography’s power to shape both everyday and alternate realities. What struck me, as soon as the movie started, was how sophisticated the film’s