What's the key to using alternative energy, like solar and wind? It seems the answer is storage. This will allow us to have power on tap even when the sun's not out and the wind's not blowing. In this TED video, Donald Sadoway takes to the blackboard to show us the future of large-scale batteries that store renewable energy.
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Energy storage will allow us to have power on tap even when the sun's not out and the wind's not blowing.