Could this spell the end of expensive, heavy and short-lived, corrosive lead acid batteries? I’ve been researching about ways to use a mechanical means of storage versus the chemical methods using batteries. The best alternative I could come up with was to use energy when available to lift a weight (as high as possible) and […]
the gentleman at Bigelow Brook Farm has me completely geeking out on his ideas for a pellet-fed rocket mass heater which not only is heating his greenhouse it is keeping his fish happy by warming the water. slick!