Can you teach a robot to lean into a curve? Can a speedy robotic vehicle sense when it is about to spin out? And in a race between robots, how does one know when to pass the other? No one, or at least a select few, had contemplated such questions as of a year ago. But with the start of a $1 million, winner-take-all race across the California-Nevada desert less than 150 days away, these suddenly are questions that not only are being asked but answered.