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Managing Director
Electrical Engineer
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The Swiss pavilion at the Expo 2010 in Shanghai was covered by a semi-transparent façade that used cutting-edge solar technology to produce energy that was released in LED flashes, thus making solar rays visible as a creative force.
The numbers and constellations of flashing LEDs and the length of time for which they emit light varied according to the intensity and angle of the incoming light: the LEDs flashed singly, casted coloured shadows on the wall behind and moved in swarms or other formations across the façade. After the end of the exhibition, the cells were recycled and distributed mainly in China, but also worldwide. Today, they are continuing their communicative role in households of previous visitors of the Swiss pavilion.
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The building of the Swiss Pavilion at Expo 2010 in Shanghai consisted of a flat green roof above two cylinders, in front of which a transparent façade that responded to ambient light was hanging. Directed along a curved ramp, the visitors first went up to the top of the main cylinder, where the exhibition was situated. Inside the exhibition they were welcomed by a number of virtual full length Swiss personalities, who gave them their views on Switzerland. At the curved rear front wall a mountain panorama extended. For this purpose, nine projectors were installed to cover an area of 17 x 10 meters. Inside a second cylinder the visitors were transported up to the pavilion’s green roof by a chair lift, accompanied by various sounds. iart interactive was responsible for the conceiving and planning of the media for the exhibition and for the open sound installation on the roof.
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On the basis of the competition idea submitted by the architects Fischer and Walker, iart conceived and planned the exhibition ‘Under the Lake’ for the Swiss Pavilion at Expo Zaragoza 2008. The exhibition’s central feature was a huge sail onto which water constantly fell. The sail was hung in a curved way and due to projected images seemed to change its shape and function: It formed the three-dimensional shape of a lake floor or a pool. The projected video work was realised especially for this screen by the artist Max Philipp Schmid. iart realised the entire exhibition in cooperation with tegoro solutions ag and Nüssli Schweiz AG. The Internet site for the Swiss pavilion included a virtual exhibition tour designed by iart, which was realised by Claudiabasel under iart’s direction.
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On the occasion of the Swiss National Exhibition Expo.02, iart, in cooperation with the group ‘Panorama2000’, realised the panorama ‘Switzerland Version 2.1′ in Jean Nouvel’s Cube: a 360° projection that was 23 meters wide and 7 meters high, it presented high density digital images in real time.
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‘Wenn ein Haus träumt, dann schläft es nicht’ (when a house dreams it doesn’t sleep) was an interactive light installation by Muda Mathis for the façade of the Theatre of Graz. The human activities inside the building were registered and transformed into a RGB light show. Read More

1993-2000
Technical expertise and realisation of media-based art and theatre installations. Before founding iart in 2001, Valentin Spiess worked for several years in the field of new media and as a project manager in electronics development. He cooperated closely with artists, particularly members of the VIA artists’ cooperative, and was technical director for various festivals and theatre productions.

2001
Foundation of iart, Valentin Spiess, an engineering company offering services in the field of media conception, planning and realization as well as hardware and software development.

2005
Foundation of the company iart interactive ag as an interdisciplinary competence centre for media, art and technology. Read more about our work under Competences.