Laser-Equipped Planes Detect Turbulence Before Passengers Get Jostled

Rough weather caused by clouds and storms is easy for pilots and ground crews to spot and avoid when planning a flight route. But even perfectly clear skies can be full of invisible pockets of CAT—or clear-air turbulence—that are now easier to spot and predict thanks to a European laser-based detection system known as… » 8/06/13 9:17am 8/06/13 9:17am