When it comes to seaborne propulsion, one simple layout has largely dominated over all others. You pair some kind of engine ...

The rideshare company and Army Research Lab announced Tuesday they would collaborate on research exploring rotor technology that would make aircraft quieter and more efficient. The partnership would ...

Boats are propelled forward by various power sources, such as human power, wind power, and internal combustion engines. Nowadays, even electric boats are coming onto the scene. Propulsion for ...