Fin propulsor, mini-hydroelectric power station (HPS)

The forward movement of flying, floating creatures is due to the environment repulsion from itself without excessive disturbance, mixing. The movement of the wing of a bird, an insect, as well as the movement of the trunk and the tail of aqua inhabitants over millions of years of evolution has acquired a very complex character, which in most cases can’t be copied. The invention of the wheel supplied people with a device, inaccessible to living beings, consisting of a rotating axis and a fixed bushing, whi