IMAGINE ENTERING THE COCKPIT of a modern jet airplane and seeing only a single instrument there. How would you feel about boarding the plane after the following conversation with the pilot?
|Q:||I’m surprised to see you operating the plane with only a single instrument. What does it measure?|
|A:||Airspeed. I’m really working on airspeed this flight.|
|Q:||That’s good. Airspeed certainly seems important. But what about altitude. Wouldn’t an altimeter be helpful?|
|A:||I worked ...|