Do you imagine how a hydroelectric station works? A flow of water revolves the turbine that emerge as rotor of the huge generator – and kinetic energy changes into electric. This is eltmentary physics everybody knows it…

And now remember how many times in a day you open the tap on the kitchen/ in the bathroom or wash away in the toilet? And all this used water rushes in the sanitation. And the water of your neighbors too… Megatons of water flows for nothing. ))

Specialists of the Japanese company Toto invented the converter which works on principle of a hydroelectric station: water falls on the turbine, the turbine revolves and gives the energy to drive and distributors. The miniature converter has been already released and successfully works: on every discharging of water electric energy gets into battery and due to this battery a toilet is lightened and theoretically the rest electrical appliances may work.

The idea sounds comical, but if you think it over you will realize that there is some rational point. Japan is not full of coal, oil, gas and other traditional sources of energy… that’s why even a small free bonus is good. ))