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3 teens invented a salt-powered refrigerator that doesn't need electricity. They're building 200 of them for hospitals to use.
The Thermavault refrigeration unit can keep vaccines cool with a reusable salt solution. The teens who built it plan to test ...
The Cool Down on MSN19h
Mom shares stunningly simple storage hack using empty cleaning wipe bottles: 'Things I wish I knew sooner'
No waste, no hassle. Mom shares stunningly simple storage hack using empty cleaning wipe bottles: 'Things I wish I knew ...