Post #3651917

Energy storage is hard. It's also necessary to pair with many #renewable sources like solar, wind, and tidal, which do not provide continuous power. There are a few ways to do it, such as salt pits to store heat and pumping water uphill for hydroelectric power on demand. Now there's one more: lifting concrete slabs and then lowering them to spin turbines: https://boingboing.net/2026/07/06/post-china-built-a-40-story-tower-that-stores-wind-powe.html