This New Battery Will Store Excess Wind Power Using the Air Itself

Wind farms simply aren't reliable sources of steady power, which is why many rely on enormous battery systems to store excess current for times when the wind isn't gusting enough to meet our energy demands. Problem is—the production of these batteries is itself a drain on resources. So what if, instead of lithium… » 10/10/12 11:30am 10/10/12 11:30am