Quadrocopters turn into pixels at the voestalpine Klangwolke and form 3D-Modells in the sky. As a world-premiere, the Ars Electronica Futurelab has managed to fly a formation outdoor with so many quadrocopters, painting some moments of magic into the nightsky of Linz. For further information, please visit: http://www.aec.at/spaxels/ Quadrocopter werden bei der voestalpine Klangwolke zu Pixeln und