Description: Travel with us to the Galapagos and the Marshall Islands as we launch some warm-weather scientific field books, diaries, and correspondence. While it’s not very wintery in Washington D.C., we’re hoping this will offer an escape to those entering the long remaining months of snow, sleet, and ice. And if you’re avoiding the cold, what a better way to spend your time than helping
Description: [edan-image:id=siris_arc_287602,size=250,left]As a child in England in the 1930s, Oliver Sacks enjoyed playing with his Uncle Abe’s spinthariscope. It was, he would later recall, “a beautifully simple instrument, consisting of a fluorescent screen and a magnifying eyepiece, and inside, an infinitesimal speck of radium.We take a look at the spinthariscope at the Smithsonian.
Description: The Smithsonian Institution has roughly six thousand volunteers and without them the work we do would not be possible. Here at the Smithsoinan Institution Archives, we have dedicated volunteers who help fufill our mission. One such volunteer is Zoe Martindale, who for sixteen years has carefully cataloged thousands of images and helped get them online for the public.
Description: Watch how we make invisible Beatles’ autographs visible with Reflectance Transform Imaging, a technique for forensic document examination.
Showing results 3505 - 3516 of 3724 for History in art