A century ago, the word “skiagraph” was sometimes used in place of “roentgenograph”, what we now call a radiograph or x-ray image. The idea was that a “photograph” represented light reflected off the surface of the thing being photographed, while a “skiagraph”, from the Greek for “shadow”, represented a silhouette. In a 1904 article(*), Dr. […]
Tag: stereogram
Nifty stereogram converter from NY public library
The New York Public Library web site has a tool that lets you take stereo photos, and convert them into a single moving, apparently 3-D, image. An example is shown here. They invite you to: Create and share animated GIFs and 3D anaglyphs using more than 40,000 stereographs from The New York Public Library. Joshua […]