Science & Tech

Katelyn Vincik received a prosthetic arm printed with a 3D printer in Houston, Tex. (VINCIK FAMILY / VIA FLICKR)
People Science & Tech

A Perfect Prosthetic Fit

Katelyn Vinick was a 5-year-old girl who was born without a fully formed left hand. She has trie d a cosmetic prosthetic arm in the past, but it didn’t work for her. Since then, Katelyn has been waiting for a functional prosthetic arm. After waiting longer than expected, Katelyn’s parents […]