Guts has two notable weapons, those being his prosthetic left arm and his oversized Dragon Slayer sword. While Guts' left arm is cool with its built-in cannon and arrow launcher, Guts' sword is ...

During a recent event held by the Defense Advanced Research Projects Agency (DARPA), Tech Insider had a chance to check out one of the most advanced robotic prosthetic arms we’ve ever seen.

Velliste et al. now report that monkeys can perform a continuous feeding task by use of a brain–machine interface in which cortical signals control a human-like prosthetic arm. Two Macaca ...