A jet engine is any engine that can propel an aircraft of some kind via rearward expulsion of a jet of fluid, typically a hot exhaust gas that the engine generates by drawing in fuel from the ...

They call it a "scramjet," an engine so blindingly fast that it could carry an airplane from San Francisco to Washington, D.C., in about 20 minutes -- or even quicker. So fast it could put satellites ...

Will DeVerter, a graduate research assistant in the Purdue Applied Research Institute’s Hypersonics Advanced Manufacturing Technology Center (HAMTC), prepares his team’s 3D printed scramjet for ...

The US Air Force Research Laboratory (AFRL) completed a series of “record-breaking tests” of a scramjet engine in November. The hot-fire tests were conducted on the ground at the Arnold Engineering ...