A text I wrote in 1998: ” #17 is a kinetic installation consisting of two discs that spin in opposite directions on aligned…

A text I wrote in 1996: ” #13 is an installation in which nipkow-discs are used to generate images through interference with small…

In october 1996 I presented a first version of installation #13 at the “International Symposium of Shadows” in London. Installation #13 is based…