Schimbările climatice: „Bateria de nisip” ar putea rezolva marea problemă a energiei verzi
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Cercetătorii finlandezi au instalat prima „baterie de nisip” complet funcțională din lume, care poate stoca energie verde luni de zile. Dezvoltatorii spun că acest lucru ar putea rezolva problema aprovizionării pe tot parcursul anului, o problemă majoră pentru energia verde. Folosind nisip de calitate scăzută, dispozitivul este încărcat cu căldură obținută din electricitate ieftină de […]
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