Greased Lightning

(Source: yahoo.com)   A huge, 10-engine drone dubbed "Greased Lightning" successfully completed a series of flight tests recently, paving the way for new types of unmanned vehicles that could one day carry people. Earlier this spring, NASA engineers flew the so-called GL-10 (the "GL" stands for "Greased Lightning") prototype drone at a military base located about two … [Read more...] about Greased Lightning! NASA Drone Advances Unmanned Craft