The company showcased a concept of a hydrogen aircraft powered by four 2-megawatt electric propulsion engines, each driven by a fuel cell system that converts hydrogen and oxygen...
The Z1 was effectively born two decades ago when Lockheed Martin developed a non-rigid tri-lobe airship design in cooperation with DARPA, testing what it badged the P-791 demonstrator...
The commercial crew flight provided by a SpaceX Dragon spacecraft splashed down safely in the Gulf of Mexico off the coast of Tallahassee, Florida, at 5:57 p.m. EDT.