The Swiss pavilion at the Expo 2010 in Shanghai will be covered by a semi-transparent façade that will use cutting-edge solar technology to produce energy that will be 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 will vary according to the intensity and angle of the incoming light: the LEDs will flash singly, cast coloured shadows on the wall behind and move in swarms or other formations across the façade.
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