Unmanned planes used to track poisonous volcanic gas
Tuesday, April 2, 2013 - 16:00
in Earth & Climate
By Becky OskinLiveSciencePlanes designed for urban warfare are helping scientists track poisonous volcanic gas.The Dragon Eye remote-controlled plane weighs in at just under 6 pounds (2.7 kilograms), with a 3.75-foot (1.14 meters) wingspan and two electric motors. Designed for the U.S. Marine Corps, the plane is light enough to carry and launch for reconnaissance.NASA recently acquired three retir...