My article Voices from a disused quarry: change making, class dynamics and technological experimentation at the Centre for Alternative Technology has been published in Oral History: The Journal of the Oral History Society. Join the Oral History Society here to subscribe or download a pre-edited version of the article here. This is a peer reviewed 7000 word academic article and goes into much more analytical depth than anything else I’ve written on the subject. It places CAT’s history in its wider social and historical context.