This Navy-funded drone is at home in sea and sky

We've all heard of amphibious cars, but what about amphibious drones? Researchers at Rutgers University took on the challenge of building an unmanned vehicle that can soar through the air and seamlessly transition to swim through the water. They call it the Naviator.
Amphibious aircraft aren't a new concept. In fact, inventors have been playing with the idea since the 1930s, when Boris Ushakov, a student engineer at a Soviet military academy, proposed a three-engine floatplane that could flood i