Schauberger
This can be achieved when the rhythmical process of motion - an interplay between components (sub-forces) of suction and pressure - is activated in a manner in accord with natural development. That is to say, the suctional component, which builds up the invigorating motive influence prevails and outweighs the fatigue-inducing pressural component. [The Energy Evolution - Harnessing Free Energy from Nature, Magnetism - Electricism]