U.K.-Made Unmanned Solar-Powered Spy Plane Shatters New World Record - By Mayur Pahilajani London, UK (iNews) - A U.K.-made unmanned solar-powered spy plane has shattered an unofficial world record by staying in air for over three days. The plane called Zephyr-6, which is built from carbon fiber and powered, using paper-thin solar panels, remained in air for 82 hours and 37 minutes. ...