Keynote Presentation on Grassroots Mapping

Mathew talked about his work for Public Laboratory for Open Technology and Science (PLOTS) and how
he became involved in Grassroots Mapping through materials testing and the design of low-cost balloons and kites. In addition to developing flying machines, he supervises the production of kits and other materials. Mathew and Stewart Long, also of Public Laboratory, led a flight demonstration as well.