Many years ago, a woman bought a beautiful piece of land on top of a hill. The view was great –- but the only water available was in a spring far below her home site. She asked her neighbors for advice, but they were all using gasoline powered pumps, which were all that was available at that time for off grid living. She loved her land but was not looking forward to constantly having to hike downhill to fuel the pump. And she didn’t move to the country just to have to hear a noisy pump running. And she also didn’t want to have to worry about fire danger. She really just wanted a "green", eco friendly water pump. | ![]() |
Her brother just happened to be a Physics Major at UC Berkeley, so she thought maybe he’d have some ideas. Well, he thought about the situation and put his physics knowledge to work. He realized that he needed a source of energy to run the pump which wasn’t fuel based, or even solar based, since the spring was in a deep forest. He knew that water, under pressure, had energy. If he could somehow use water pressure from the spring to run the pump motor.....
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