February 12, 2014 in Pump , technology , Water by se0 Pedal powered water lifting machine Continue reading
October 21, 2013 in Energy , Pump by se0 Bobby Amarasingham’s Water Propulsion Technology This video features one that could be great for water propulsion, making it safer, for swimming pools and for fish. Continue reading
October 20, 2013 in Education , Pump by se0 Water lifting devices Water is for most practical purposes incompressible. Continue reading