sentences:  Since the 1980s Penny has been creating interactive and robotic art pieces that address critical issues in digital culture discourses, especially around enactive and embodied interaction.A central concern of his robotic works is the space of interaction between the machine and the human observer.His work is informed by traditions of practice in the arts including sculpture, video-art, installation and performance and has been shown in a number of venues and international art festivals such as ZKM or Ars Electronica.