A professor of aeronautics and astronautics says hackers could wreak havoc on highways, airways and sea lanes if we're not careful. But "the challenge," he says, "is manageable."
Walter Vincenti, a recent recipient of the Daniel Guggenheim Medal, says it all began when he was 10 and saw a news announcement that Lindbergh had landed in Paris.
A team of small satellites would give missions greater flexibility at a lower cost. First up: developing autonomous systems that let them navigate together.
