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: Each week, the Archives features a woman who has been a groundbreaker at the Smithsonian, past or present, in a series titled Wonderful Women Wednesday.
Description: When curators at the Smithsonian National Museum of American History looked at seven radiometers in storage, they learned the instruments had been at the Smithsonian for nearly one hundred fifty years.
Description: Each week, the Archives features a woman who has been a groundbreaker at the Smithsonian, past or present, in a series titled Wonderful Women Wednesday.
Description: Each week, the Archives features a woman who has been a groundbreaker at the Smithsonian, past or present, in a series titled Wonderful Women Wednesday.
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