To be able to strike a target two metres away from underwater by squirting a jet of water requires not only a knowledge of ballistics, but also of physics and fluid dynamics. Light bends when it ...

He spoke about the physics of manu jumping ... are made when a jumper creates a deep and wide air cavity that quickly closes, driving water upwards in a jet – often to astonishing heights. Lele and ...

Cue the development of the 3D printed water jet engine (YouTube link, embedded below). The basic principle of operation is simple. Water is sucked through an inlet, where it is accelerated by a ...