Photo Illustration by The Daily Beast / Photos Courtesy of Ortiz-Catalan et al., Sci. Rob., 2023It’s been more than 20 years since Karin lost much of her right arm below the elbow in a farming accident. While she got medical attention, she was plagued for years with debilitating phantom limb pain—the sensation of feeling pain in a limb that is no longer there. It’s a phenomenon that often occurs with amputees, and can range from mild discomfort to agony.For Karin, it was the latter. “It felt lik