Description: [caption id="" align="aligncenter" width="349" caption="Washington, D.C. 1975, from the series Archaeological Series, 6 Inch Contour Gauge, 1975, by Kenneth Josephson, Gelatin silver print on paper, Smithsonian American Art Museum, Transfer from the National Endowment for the Arts, 1983.63.828."][/caption] In 1981, the Smithsonian American Art Museum (at the time it was named
Description: Watch how we make invisible Beatles’ autographs visible with Reflectance Transform Imaging, a technique for forensic document examination.
Description: [caption id="" align="aligncenter" width="420" caption="The Great Pyramid and the Great Sphinx, from "Egypt, Sinai and Jerusalem" Portfolio, 1858, Francis Frith"][/caption] The first examples of travel photography are almost simultaneous with the invention of photography itself. In 1841, following an extensive trip through the Middle East, wine merchant and early photographer,