As the search for missing Malaysia Airlines Flight 370 comes to a frustrating and unsuccessful close, the likelihood of locating the plane's final resting place are astronomically small. However, where an international fleet of search vessels and scanning satellites have failed, this autonomous submarine from Bluefin…

The FanWing has to be weirdest aircraft ever devised: it doesn't use rotors or jets for propulsion, but a patented "distributed-propulsion vortex-lift" technology which is similar to the blade cylinders used in harvesting machines. In fact, that's exactly what it looks like, a flying harvester. This prototype was…