Enlarge / 3D-printed lithophanes can help optically impaired scientists “see” data, such as from protein separation gels, with their fingertips.ordan Koone/Bryan Shaw
In the 19th century, an art form known as lithophanes was all the rage in Western Europe. These thin engravings were usually made from translucent materials like porcelain or wax. When backlit, a glowing 3D image would appear that would change its features in response to variations in the light source. Now researchers have revived this art form to create tactile graphics to illustrate scientific data that glow with high resolution. According to a recent paper published in the
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