🇫🇮 THIS GIANT SAND BATTERY HEATS A WHOLE TOWN IN FINLAND It’s literally a 15-meter-tall container full of hot sand that stores enough heat to power homes, offices, and even a swimmi...
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2.1K Vues· 22/07/25· Nouvelles et politique
🇫🇮 THIS GIANT SAND BATTERY HEATS A WHOLE TOWN IN FINLAND It’s literally a 15-meter-tall container full of hot sand that stores enough heat to power homes, offices, and even a swimming pool for a month. When there’s extra solar or wind power, it turns that into heat and stores
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