Salt can turn frozen water into a weak power source
Experiments reveal that when slabs of salty ice are strained, electricity is generated, though practical uses are still a long way off.
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Experiments reveal that when slabs of salty ice are strained, electricity is generated, though practical uses are still a long way off.
Recovering these metals from mining by-products destined for waste sites could offset the need to import them from elsewhere or open new mines.