Vicenç Altaió Making the Invisible Visible 6 Honor Harger Transmission, Transversal, and Molecular Revolution 7 José Luis de Vicente and Honor Harger 8 There, but Invisible: Exploring the Contours of “Invisible Fields” Josep Perelló Field Lines and Force Fields 14
Surrounded by Radio Waves 22
Douglas Kahn Electrical Atmospheres 24 Semiconductor 20 Hz 30 Semiconductor Magnetic Movie 32 Anthony DeVincenzi Invisible Forces 34 In the Faraday Cage 36 Joyce Hinterding Loops and Fields: Induction Drawing Series 4 38 Thomas Ashcraft Harnessing Wild Electricities from Outer Space 40
The Hertzian City
42 Adam Greenfield Of Sidewalks and Signals: Learning to Listen on the Urban Frequency 44 Clara Boj and Diego Díaz Observatorio 50 Timo Arnall Nearness, Wireless in the World, Light Painting WiFi 54
The Politics of Waves 58
The Dark Side of the Spectrum 72
Let’s Make Waves 90
Rafael Lozano-Hemmer Frequency and Volume 60 Matthew Biederman Office of Spectral Ecology 64 Irma Vilà A Timeline of Spectrum Utopias 66
Martin Howse Black Planet 74 Job Ramos Twilight Immunity Museum 82 Trevor Paglen Drone Vision 84 Raitis Smits, Rasa Smite, Martins Ratniks and Linda Vebere / RIXC Skrunda Signal 86 Irdial Discs The Conet Project: Recordings of Shortwave Number Stations 88
guifi.net Workshop on Free Wireless Networks 92 Centre for Astrobiology (CSIC-INTA) 94 PARTNeR: a 34-metre Radio Telescope for Students Luthiers Drapaires Making the Inaudible Audible and Giving it New Uses 96 Plataforma Cero – LABoral Centro de Arte y Creación Industrial Orbiting Satellites 98 Patricia Homs and Irene Lapuente Visualizing the Electromagnetic Spectrum: 100 Workshops in the Science Area of Arts Santa Mònica