Two engines, over twice the power and a passenger seat. This tops our previous build by a landslide! NYPD chief of detectives says Luigi Mangione was never a client of UnitedHealthcare ...

Yamaha traces its roots back to the company’s success in the personal watercraft market. It was there Yamaha produced its first jet propulsion engines, engines that quickly gained a reputation for ...

His latest creation is a racing paddle boat, but its performance left [Ivan] with a need for speed. Cue the development of the 3D printed water jet engine (YouTube link, embedded below).

Italy was thought to be the first country to fly a jet-powered plane (although they were second after Germany's He 178), ...