At present, I am working on several projects for the future. The first is finishing my second book on Christiaan Huygens, with the title "De ruimte van Christiaan Huygens - een boek over voorstelbaarheid", which will be published by the Historische Uitgeverij in the third week of October 2009. The second is preparing an exhibition for the gallery of the Leiden University Medical Centre, which will be opened by professor Robbert Dijkgraaf on October 16th, 2009. Besides two of the large prints from the Harmonie exhibition, Cornelingris Erotis and Voronoi Victory, this exhibition displays a new development of the binary project. A few samples are shown below. The third is a collection of columns and new writings which will be published by Uitgeverij Contact by the end of October 2009.

This project is an artistic descendant of images that came my way in the course of my research. A preliminary sketch is shown here in DivX format.

The installation Het Principe van Huygens ("Huygens's Principle") in the Ypeij Forest, near Leeuwarden,worked wonderfully well (see above). So well, in fact, that I have the ambition to adapt this installation for one of our nicest musea, the Kröller-Müller Museum. This muesum has a number of large lawns, one of which would be especially suited for "Huygens". In Ypeij, a circular pond was already available, but in the Kröller-Müller a pond could be dug especially for the purpose.

In this installation, the water is the "canvas" on which the artwork appears, shaping not only itself, but including the reflections of the surroundings in their shape. Due to the temporary passing of the wave patterns, time becomes an essential element of this work, showing temporal shapes that stand on an equal footing with the spatial form.

At this stage of the development, I am envisaging a pond with a mathematically exact elliptical shape.

In one focus, a wave generator is hidden under the surface. At irregular and unpredictable intervals, the wave generator produces a strong rippling motion.

The waves propagate away from the focus.

Due to the mathematical shape, they converge in the second (empty) focus, after which they bounce back towards the first focus, and disperse on the way.

A more detailed discussion of the installation Het Principe van Huygens may be found here.

Sleutelwoorden: Astrofysica - Kosmologie - Hydrodynamica - Beeldende kunst Keywords: Astrophysics - Cosmology - Hydrodynamics - Visual Art

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