The dawn of a new era in efficient flight (audio slideshow)
SANTA ROSA, Calif.--On-demand aviation, the idea that mobility one day can be just as personal and convenient in the air as it is on the ground, is a lofty goal. And it's what competitors at NASA's Green Flight Challenge going on here this week are trying to attain.
Aerospace Engineer Mark Moore said the challenge, which is one of NASA's Centennial Challenges and sponsored by Google, is about finding ways to use the layers of uncluttered 3D space above us to get around--and how to do it in an energy-efficient manner.
Commercial planes currently average about … Read more
