Want Awesome Robots? You'll Have to Best These Challenges

We are living in the midst of a profound technological restructuring of human society. The machines that once only frolicked in science fiction have begun to infiltrate our lives. Self-driving cars promise to transform our roads, and the first truly sophisticated robots have begun laboring in hospitals and construction sites and even Walmart. But behind the autonomous revolution is a mountain of problems. Well, challenges, if you want to be more optimistic.