Dr. Joshua M. Pearce is the Richard Witte Professor of Materials Science and Engineering and a Professor cross-appointed in the Department of Materials Science & Engineering and in the Department of Electrical & Computer Engineering at the Michigan Technological University where he runs the Open Sustainability Technology Research Group. He is a visiting professor of Photovoltaics and Nanoengineering at Aalto University as well as a visiting Professor Équipe de Recherche sur les Processus Innovatifs (ERPI), Université de Lorraine, France. His research concentrates on the use of open source appropriate technology to find collaborative...