In his latest bid to Save The World, my father’s come up with a way that folks in the developing world can build their own local electrical generating systems. His invention is human-powered (using a treadle, like an old sewing machine) and...
In his latest bid to Save The World, my father’s come up with a way that folks in the developing world can build their own local electrical generating systems. His invention is human-powered (using a treadle, like an old sewing machine) and...