3 articles in this issue
, , ,
Recent advancements in open-source self-replicating rapid prototypers (RepRap) have radically reduced costs of 3-D printing. The cost of additive manufacturing enables distributed manufacturing of open source appropriate technologies (OSAT) to assist in s... see more
, , , , ,
Rural community water supplies often require the construction of a village water tower. Safe tower design requires careful planning and properly selected materials. In remote villages, transport of concrete or steel materials is cost prohibitive, and loca... see more