Description: The Smithsonian Castle sits just over a mile away from Washington D.C.’s most notable address,1600 Pennsylvania Avenue. We are more than just a short walk away from the White House, however—we are directly tied to it and its occupants. Not only does the Smithsonian collect the history of United States Presidents (including, yes, Lincoln’s top hat and even the hair of a few
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