I had two Electromagnetic Scanner workshops in February 2016. One in MTI Leicester and other one in Studio Loos, The Hague.
On the workshop the students build a simple audio device for locating and making electromagnetic waves audible. The battery powered device can be used as a mobile music instrument. In the 1-day workshop participants learnt the basics of diy sound electronics. No previous experience of electronics was required from participants. Sound & video sample from Studio Loos workshop: https://www.instagram.com/p/BCTUTthjWhZ/
Photos from MTI, Leicester – EM Scanner workshop (gentleman 2nd from left is John Richards (http://www.dirtyelectronics.org/info.html):
Photos from Studio Loos, The Hague – EM Scanner workshop: