samoigrayuschy-guitar-raqwe.com-01

Most singing guitar

 samoigrayuschy-guitar-raqwe.com-01

This original design created robotic musician Vladimir Demin. Served as the basis for an acoustic guitar, the strings of which are now pulling mechanism of stepper motors. The author continues to work to improve the quality and naturalness of sound.

Read another very interesting article about alternative energy of the Sun, water and air.

Look a video from russian roads: