PDF[1] of a 16 page technical paper titled "Pumped Thermal Grid Storage with Heat Exchange" (Feb 5th, 2016) by Robert Laughlin, Dept of Physics, Stanford Univer

PDF[1] of a 16 page technical paper titled "Pumped Thermal Grid Storage with Heat Exchange" (Feb 5th, 2016) by Robert Laughlin, Dept of Physics, Stanford University, link to from the article. It would be great if this system can be built and works well. Months of energy storage at pumped hydro efficiencies are predicted. [1]http://www.w2agz.com/Library/Storage/rbl-storage-05feb16%20(2).pdf http://www.w2agz.com/Library/Storage/rbl-storage-05feb16%20(...