Scientists use 19th century lithophane and 3D printing to create science graphics for the blind.

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“Scientific data and images, such as the stunning images from the new Webb telescope, are inaccessible to blind people. It shows that everyone will be able to access this image, and what we want to say is ‘data for everyone,'” said Shaw, who also co-authored the article. Added.
Litophane is a thin sculpture made from translucent materials (first porcelain and wax, now plastic). At first glance, it looks opaque in ambient light, but when backlit, it glows like a digital image. In this study, the researchers used his 3D printing on Lithophane.
“Litfan’s idea was a concept that Dr. Shaw had been playing around with. I saw it as a great opportunity to help a group of stigmatized individuals in the field of chemistry.” member of the room. “It’s great to see blind people, who have been told their whole lives that they can’t excel in science, interpret data as easily as sighted people.”
Researchers tested Litophane on both sighted and blind students. In this study, the average test accuracy for all five lithophanes was found to be 96.7% for blind tactile interpretation and 92.2% for visual interpretation for backlit lithophane.
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