It’s going to take us a healthy dollop of faith in technology to accept autonomous vehicles at some point on our roadways. But what about in our skies? The thought of robot-driven planes ferrying hundreds of people overhead to their destinations conjures images of metal, fire, and passengers raining down from the skies. Still, proponents of such systems believe autonomous transport of all kinds, including commercial flight, will be less prone to error when humans are removed from the equation. Once the bugs have been worked out, of course.