Solar-Powered Plane Completes First Leg Of Trip

A solar-powered plane completed an 18-hour journey on the first leg of an attempt to fly across the US with no fuel but the sun's energy.

GPS Brings New Clarity To City Driving

Spanish researchers are developing a low cost GPS, designed to overcome the so-called "canyon effect" of inner-city driving, and offering a 90% improvement over any competing technology currently available to consumers.