By Tobias Carroll We might not be quite at Westworld levels of robotics yet, but technology has managed to come up with robotic dogs and faces, among others. And while this probably means that we’re drawing ever-closer to a scenario spelled out in countless science fiction novels and movies, there’s still something morbidly fascinating about watching this technology evolve. Though perhaps devolve might be a more apt choice of words for the latest technological breakthrough in the world of robotics. That would be a magnetically-controlled slime that looks less like a vertebrate and more like an…