Influenced by German sound artist Peter Vogel and Jean Tinguely’s kinetic sculptures, Björn Schülke creates complex viewer-activated machines that combine movement, surveillance, and sound. Equal parts art and science, Schülke’s works play on our relationship to technology, from the ominously-titled Drone #6 (2006), which appears to hover close to the ceiling and monitor movement below, to the playful oddity of Nervous (1999-2009), a wall-mounted, fluorescent orange ball of fur that shudders and emits robotic noises when approached.