https://www.reuters.com/article/us-robotics-openai/robot-hand-learns-real-world-moves-in-virtual-training-idUSKBN1KK1XG >Researchers backed by Tesla Inc founder Elon Musk and Silicon Valley financier Sam Altman have found a novel way to use software to teach a human-like robotic hand new tasks, a discovery that could eventually make it more economical to train robots to do things that are easy for humans.