Description: Although initially skeptical about the effectiveness of the hypsometer, Secretary Joseph Henry soon recognized the value of the instrument, which he discovered from his colleagues in the scientific field.
Description: In honor of the Heritage Preservation organization’s annual MayDay initiative to protect cultural heritage from disasters, the Archives will be highlighting how we deal with emergencies and how you can prepare yourself in a series of blog posts. [caption id="attachment_12763" align="aligncenter" width="360" caption="This image is quite dark for a reason—in an emergency
Description: A publication by Li Ju, a Chinese freelance photographer, retraces the steps of the Clark Expedition, and includes modern images of the sites photographed during the Clark Expedition.
Description: Periodically—given the fleeting nature of life and the ubiquity of photographic imagery—it’s seems like someone’s always trying to hatch another ambitious image-based cultural project to prove that, despite our differences, we’re pretty all much the same.
Description: For those of us too young to have understood the impact of the fall of the Berlin Wall, and to those who watched breathlessly as the it came down, this should interest you: an augmented reality app that projects a 3-D rendering of the Berlin Wall at its former site with the help of a smartphone. It was as big as a . . . The US Intelligence Advanced Research Projects Activity
Description: Learn about the Smithsonian Institution Archive photographer, Michael Barnes, and his experience photographing Tuskegee Airmen and one of their original training planes.