The Barcelona floor tile_Piezorajola
The Barcelona floor tile is a pavingstone which is made out of new materials that give it new characteristics which makes it very different.
A new systemable to transform mechanic energy into electricen ergy has been developed in this project, due to the application of piezoelectrical materials which can induce current to its surface when it be comes deformed.
Magnet motor with permanente in the core
Coins and keys