China built a 40-story tower that stores wind power by stacking concrete

By Boing Boing

Source link: https://boingboing.net/2026/07/06/post-china-built-a-40-story-tower-that-stores-wind-powe.html

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The Swiss company Energy Vault spent years pitching a novel idea: store surplus electricity by using it to stack heavy blocks, then recover the power by letting them fall. Boing Boing covered the skep ...

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