Pretty cool, seems like a modern version of what some people were doing before electricity and solar panels: http://www.solaqua.com/solwatdis1.html http://www.s

Pretty cool, seems like a modern version of what some people were doing before electricity and solar panels: http://www.solaqua.com/solwatdis1.html http://www.solaqua.com/solwatdis1.html