An interactive light artwork by Tita Ex, realized together with Interactive Matter and commissioned by the municipality of Eindhoven.
The work commemorates Jan Zwartendijk (1886 – 1976), the Philips manager who aided the refuge of thousands of jewish people with false documentation, and in doing so saving their lives during WWII.
Over 20 thousand LEDs are placed inside the artwork. These LEDs are individually controlled by networked microprocessors connected to a central processing unit, generating a natural, never repeating light behavior reflects the energy of the people around it. A physics model generates bursts of energy spiraling through the sculpture. The level of energy is based on the presence of people which is measured by several wireless sensors.