Description: [caption id="attachment_680" align="alignleft" width="159" caption="Flickr member, Penny L. Richards"][/caption] I work with people across the Smithsonian to add photos to the Smithsonian Flickr Commons photostream. Occasionally, something stands out in the daily summary of comments and tags I receive. Sometimes, it’s an exchange between Flickr members sparked by a single
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.