Air Force Developing Spy Planes That Can Recharge on Power Lines

The US Air Force Research Lab is currently developing a micro air vehicle (MAV) that can harvest energy from power lines, which could lead to significantly longer surveillance missions. The aircraft would even have the ability to transform into inconspicuous objects, like an "innocuous piece of trash hanging from the… » 12/18/07 5:20pm 12/18/07 5:20pm