Science Daily July 23, 2018 Researchers at Harvard University designed and built a new organic compound called Methuselah molecule that can store electrical energy and has a very long life before it decomposes. In experiments in their laboratories the molecule had a fade rate of less than 0.01 percent per day and less than 0.001 percent per charge/discharge cycle — which extrapolates to less than 3 percent degradation over the course of a year — and useful operation for tens of thousands of cycles. The molecule also proved highly soluble, meaning it can store more energy in a smaller space. […]