Spatial Sounds (100dB at 100km/h) is an interactive audio installation by Marnix de Nijs and Edwin van der Heide. In this engine-powered work, a speaker is mounted onto a rotating arm that is several meters long. Like a watchdog, the machine scans the surrounding space for visitors and you had better step back, well out of reach. You will hear the sound of the mighty motor revving up; turning over and over; faster and faster. You will feel the displacement of air as the speaker rushes past you. The initial precaution soon wears off once the machine slows down and you are compelled to explore the space. You discover that your movements actually manipulate the sounds and determine the speaker’s motion but remember don’t let your guard down because Spatial Sounds (100dB at 100km/h) is building a physical and tangible bond with you. After all it’s a game of attraction and repulsion between machine and visitor and with a rotating arm swinging with such force and power, closer investigation could be simply tempting fate.