Description: Watch how we make invisible Beatles’ autographs visible with Reflectance Transform Imaging, a technique for forensic document examination.
Description: [caption id="" align="alignright" width="221" caption="At the turn of the century, visitors are entering and leaving the United States National Museum Building, now Arts and Industries Building, via the North Entrance, c. 1900, by Unidentified photographer, Photographic print, Smithsonian Institution Archives Record Unit 95 Box 32 Folder 8, Negative Number:
Description: For historians of science, the name “Sarton” resonates like a deep-throated bell. Isis, the international journal that chemist and mathematician George Sarton (1884-1956) founded in Belgium in 1913, is now the premier publication of the History of Science Society. The field he envisioned is flourishing as well as continually responding to changes in science and its social
Description: In the Smithsonian Institution Archives, we each have our favorite stories that are told through materials in our collections. Several times a year we might give "treasures shows" for interns or special visitors, and we pluck items that highlight moments and people in the Institution's history. We pull out a draft of James Smithson's will, letters from the Wright brothers,