https://www.explainxkcd.com/wiki/index.php?title=2710:_Hydropower_Breakthrough&action=edit&preload=Template:create
Editing 2710: Hydropower Breakthrough - explain xkcd
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https://www.channelnewsasia.com/world/devon-hydropower-innovation-storage-clean-energy-renewable-technology-6048946
UK hydropower breakthrough could unlock clean energy in once unfeasible locations - CNA
Apr 10, 2026 - Engineers are testing a new approach that replaces water with a dense, mineral-rich liquid that can store more energy per litre.
hydropower breakthroughclean energyuk