red light

2007
spotlight / solarcells / mirrors / laudspeakers

A headlight radiates red light on a mirror. This mirror reflects the light to a second mirror, which reflects the light to a third mirror, which reflects it a further, last mark to a fourth mirror. a invisible way of the light develops between 4 mirrors.
The solar cells on the middle of the mirrors produce current, as long as the red light meets the solar cell. The current is amplified and made audible as sound.