Water Wheels built and sold here. Making electricity with a water wheel.
How To Get All Your Hot Water Needs From A Compost Mound
How To Get All Your Hot Water Needs From A Compost Mound - Did you know that when compost breaks down it produces heat? With this heat you can warm up water in the pipes that run through the compost. Obviously the more pipe and the more compost you have the more warm water you get.