No matter how advanced we become in electronic technology, there is, however, no doubt that simple and basic mechanisms will continue to play an important role.
Toshio Arai*

* Ingeniero, colaborador importante para el desarrollo del Walkman y el Discman.

SAKA, Keisuke. Karakuri: how to make mechanical paper models that move. Ed. St. Martins Griffin, Nueva York, 2010. Pag. 32